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Pott, Ellen Marie. "The Natural Order of Things". Thesis, The University of Arizona, 2014. http://hdl.handle.net/10150/555562.
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Ellen Pott’s The Natural Order of Things is a critical analysis of the impact that violence has upon the overall wellbeing of women. One in four women are in an abusive relationship. Physical, mental, and emotional abuse adversely affects the mental stability of a woman. The immersive installation incorporates sculpture, video, and sound to examine the lingering tensions and feeling of confinement in abusive situations.
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Albamonte, Gene. "THE NATURAL ORDER OF THINGS: STORIES". Master's thesis, Orlando, Fla. : University of Central Florida, 2009. http://purl.fcla.edu/fcla/etd/CFE0002534.
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Hahsler, Michael, Kurt Hornik i Christian Buchta. "Getting Things in Order: An Introduction to the R Package seriation". American Statistical Association, 2008. http://epub.wu.ac.at/4003/1/things.pdf.
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Seriation, i.e., finding a suitable linear order for a set of objects given data and a loss or merit function, is a basic problem in data analysis. Caused by the problem's combinatorial nature, it is hard to solve for all but very small sets. Nevertheless, both exact solution methods and heuristics are available. In this paper we present the package seriation which provides an infrastructure for seriation with R. The infrastructure comprises data
structures to represent linear orders as permutation vectors, a wide array of seriation methods using a consistent interface, a method to calculate the value of various loss and merit functions, and several visualization techniques which build on seriation. To illustrate how easily the package can be applied for a variety of applications, a comprehensive collection of examples is presented.
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Hahsler, Michael, Kurt Hornik i Christian Buchta. "Getting Things in Order: An Introduction to the R package seriation". Department of Statistics and Mathematics, WU Vienna University of Economics and Business, 2007. http://epub.wu.ac.at/852/1/document.pdf.
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Seriation, i.e., finding a linear order for a set of objects given data and a loss or merit function, is a basic problem in data analysis. Caused by the problem's combinatorial nature, it is hard to solve for all but very small sets. Nevertheless, both exact solution methods and heuristics are available. In this paper we present the package seriation which provides the infrastructure for seriation with R. The infrastructure comprises data structures to represent linear orders as permutation vectors, a wide array of seriation methods using a consistent interface, a method to calculate the value of various loss and merit functions, and several visualization techniques which build on seriation. To illustrate how easily the package can be applied for a variety of applications, a comprehensive collection of examples is presented.Series: Research Report Series / Department of Statistics and Mathematics
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Macdonald, Emily Jane Camilla. "The shape of things to come : global order and democracy in 1940s international thought". Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:ec798d71-0b4d-4595-8592-d3099a9a3fc9.
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This thesis examines the role of democracy in British, French and American visions of global order in the 1940s. It argues that 'democracy' in a global context did not reflect 'Wilsonian' or 'Cosmopolitan' dreams, nor did it refer to the questions of state representation and institutional accountability that dominate contemporary debates. Instead, it shows that building a 'democratic' global order in the 1940s meant, above all, an attempt to address the challenge of democratic modernity, summarised by Karl Polanyi in 1944 as the search for 'freedom in a complex society', in the new global environment of the mid-century. This challenge was composed of five core concerns, ranging from the protection of the individual from the modern state and the transformation of democratic participation, to the use of expert planning and modern technology to secure economic justice. Achieving a balance between these competing and at times contradictory imperatives was seen as the key to securing a new democratic order that could resist the temptations of nationalism and totalitarianism and secure peace. Crucially, it was only through the structures of a new global order that, internationalists argued, there could be any chance of success. The task was not an easy one, and the historical investigation shows how the choices and trade-offs internationalists made in relation to these imperatives entailed costs in terms of inclusivity, participation and even rights within visions of democratic global order. The thesis has both historical and conceptual goals. First, it recovers important ideas about global order that have been largely written out of the history of this period by taking the language of democracy in world order debates seriously and understanding these visions in context. Conceptually, its aim is to contest and transform how we think about global order and democracy in the history of international thought and in the present day. Instead of Cosmopolitan, Wilsonian, liberal or other normative blueprints for a democratic world order, the conclusion argues that we should, following the example of the 1940s, reconceptualise the relationship between global order and democracy today in relation to the persistent dilemmas of democratic modernity. In a global context, these continue to have interlocking domestic and international dimensions and, more importantly, continue to require choices that entail normatively contestable costs in the construction of a democratic global order. Only then, it argues, will it be possible to think about how these shortcomings can be mitigated and whether and what kind of democratic order we want to pursue at all.
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Leggatt, Stuart. "The proper order of things : nature and cosmos in Aristotle's De Caelo". Thesis, University of Reading, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357335.
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Bader, Barbara. "Modernism and the order of things: a museography of books by artists". Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491587.
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Rafferty, Kieran Francis. "'The normal order of things' : propriety, standardisation and the making of Tin Pan Alley". Thesis, University of Newcastle upon Tyne, 2017. http://hdl.handle.net/10443/3749.
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This thesis employs a variegated approach that considers demographics, institutions, business practices, and dominant lyrical themes and imagery, in order to establish the pervasiveness of an ideology of propriety within early twentieth-century Tin Pan Alley and its songwriting output. The thesis proposes that this pervasiveness ultimately contributed to the standardisation of song structure within Tin Pan Alley song itself. For the most part, the first generation of Tin Pan Alley, prior to 1920, is considered, in an account of the commercial and aesthetic foundations that led to the ‘Golden Age’ – the period for which the Alley has been elevated into national myth. Specifically, it is proposed that in the context of a nation constituted of exilic narratives, and one constantly engaged in a process of identity formation, Tin Pan Alley’s institutions, personnel, practices and products engendered a ‘structure of feeling’ (after Raymond Williams) that amounted to an ideology of propriety, realised through a multivalent aesthetic of Exile/Home. An account of the material and social processes of mass-standardisation for which Tin Pan Alley is well-known is developed, and situated within a broader historical context. The sectional song structure 32-bar AABA is figured as the standardised product of an industrial context, shaped by this ideology of propriety. Furthermore, the dominant themes and lyrical content of the sentimental song are investigated, in order to establish the resonances between these and 32-bar AABA and how they may share ideological import. Finally, an account of the pragmatic, ideological and cognitive affordances of 32-bar AABA is developed, and a statement on how such a study relates to Adorno’s views on mass-culture and Tin Pan Alley concludes the work.
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Bieringer, Alexandra, i Linda Müller. "Integration of Internet of Things technologies in warehouses : A multiple case study on how the Internet of Things technologies can efficiently be used in the warehousing processes". Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Centre of Logistics and Supply Chain Management (CeLS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-40087.
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Godden, Lee, i n/a. "Nature as Other: The Legal Ordering of the Natural World: Natural Heritage Law and Its Intersection With Property Law and Native Title". Griffith University. Griffith Law School, 2000. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050831.095124.
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This thesis argues that the legal ordering of the natural environment represents a culturally contingent 'order of things'. Within this process of categorisation, Nature is constructed as an 'other' to the human subject. This opposition allows nature to be conceived as either an object of control, as found in property law, or as a wilderness to be preserved apart from human society. This latter view is implicit to the principles informing early environmental laws for the protection of natural heritage in international law and within Australia. More recently, this distinctively western legal ordering has been challenged to be more culturally inclusive and to include concepts that incorporate human interaction with the natural environment. In making this argument, the thesis adopts a theoretical framework derived from Foucault's 'Order of Things'. Modem western understanding of the natural environment is directly informed by western science. Scientific discourses, with origins in the Enlightenment, have been extremely influential in determining the legal ordering of the natural environment. In this context, the thesis provides an overview of the conceptual shift from a pre-scientific, organic conception of the relationship between people and nature to a people/nature dichotomy that persists as the nature/culture meta-narrative in modern society. The rise of a more holistic conception of the natural environment, based in ecological principles, has only partially displaced the latter view. The thesis also examines the manner in which property law constitutes the 'proper' order of the natural world within western culture. The bundle of rights concept, implicit to modern conceptions of property, finds resonances in western scientific understanding of the natural world. In particular, property law replicates the subject /object distinction that is central to modern western thought. The positing of nature as an object of control through the property relationship has been a resilient ordering of the natural environment. It has directly contributed to an instrumental perception of the natural environment. Indeed, the property concept was the central way of 'constructing' the Australian natural environment at law from colonisation to well into the twentieth century. The initial legal designation of Australia as 'terra nullius' allowed received English property law to form the template for ordering the occupation of the Australian natural environment by British civilisation. In the second half of the 20th century the wilderness ideal, in concert with ecological 'balance' concepts, gained currency in international and domestic law as the foundation for the protection of natural heritage. Natural heritage protection was a high profile aspect of early environmental laws in Australia. Thus the World Heritage Convention assumed an importance for natural heritage protection within Australia due to specific historical, political and constitutional factors. The adoption of 'holistic' definitions of environment in many pieces of Australian legislation has served to partially displace the instrumental, proprietary view of nature. However, the legal recognition of natural heritage, when based around wilderness ideals, remains predicated upon the western people/nature dichotomy. More recently, reforms to early environmental laws have been instituted and case law reveals a state of flux in how natural heritage areas are to be identified and valued. The traditional western legal constructions of nature have served to occlude Aboriginal and Tones Strait Islander peoples' relationships with 'country'. Such legal frameworks continue to be problematic if a more culturally inclusive and holistic conception of heritage, such as cultural landscapes, is to be adopted. Further, while the recognition of native title has led to a re-examination of many fundamental legal principles, reexamination of our western legal constructs remains incomplete. One of the crucial areas yet to be fully worked through is how to accommodate western dualistic notions of the relationship between people and the natural environment with the legal requirements to establish native title. The need for accommodation has direct practical ramifications in that many world heritage, national estate and other 'wilderness' areas are, or may be, subject to native title claims. Therefore, the thesis considers the need to re-assess western, scientifically derived conceptions of natural heritage as the prevailing principles for environmental preservation. Finally the thesis discusses the contingency of any legal ordering of the natural world. Western representations of nature have exerted tremendous influence upon the legal regimes that have regulated and ordered nature across the Australian continent. These classifications are embedded within a particular cultural narrative. Parts of the Australian natural environment that are designated as property, as natural heritage, as native title, or as cultural heritage do not achieve this legal characterisation due to any inherent value or features of the natural environment itself. These areas are not necessarily property or heritage or native title until incorporated within, or recognised by, western legal frameworks. As such, any decision to ascribe a given legal status to the natural environment as part of the legal ordering needs to be seen as involving issues of choice that have direct distributive justice implications.
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Sewell, Janice. "The art of imitation in the order of things : poetry, rhetoric, and the discursive formation of English". Thesis, University of Birmingham, 2003. http://etheses.bham.ac.uk//id/eprint/1794/.
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The first part of this thesis offers an analysis of Elizabethan poetical treatises, such as Philip Sidney’s Apology for Poetry, in terms of Michel Foucault’s discursive formations, and the ways in which they were instrumental in redefining the sixteenth century literary terrain of poetry, prose, drama, poetics and literary criticism. It examines the role of contributory factors such as the Puritan attack, Renaissance humanism, the Ramist reform of logic and rhetoric, increased levels of literacy and printing. It explores conflicting definitions of poetry in the early modern period and its changing role and function, and the appropriation of significant elements from other discourses, notably rhetoric, arguing that this process constituted part of the wider reorganisation of contemporary knowledges. The second part of the thesis is concerned with the work and practice of the writer George Gascoigne, author of the first poetical treatise in English and his importance as an Elizabethan poet.
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Fraser, Jennifer Suzanne. "'The new order of things' : the reforming elite and their bid for social hegemony in post-war Peru". Thesis, Birkbeck (University of London), 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.497821.
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Warner, Caroline Everard Athey. ""Let All Things Be Done Decently and in Order": Gender Segregation in the Seating of Early American Churches". W&M ScholarWorks, 2009. https://scholarworks.wm.edu/etd/1539626578.
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Stemerding, Dirk. "Plants, animals and formulae natural history in the light of Latour's Science in action and Foucault's The order of Things /". Enschede : Maastricht : Faculteit Wijsbegeerte en Maatschappijwetenschappen, Universiteit Twente ; University Library, Maastricht University [Host], 1991. http://arno.unimaas.nl/show.cgi?fid=5638.
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Rowe, Samuel. "The Sentence, The Novel, and Autobiography: The Histories of Reading and Self in Bunyan and Rousseau". Oberlin College Honors Theses / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=oberlin1306246445.
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Chi, Young-hae. "By what right do we own things? : a justification of property ownership from an Augustinian tradition". Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:5555bb1d-9d5c-4260-b2bc-3c04c61ecb31.
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The justification of property ownership based on individual subjective rights is tightly bound to humanist moral perspectives. God is left out as irrelevant to the just grounds of ownership, which is established primarily on the basis of human self-referential, moral capacity. This thesis aims at developing an alternative justification, both for property as an institution and as a private holding, with a view to bringing God back into the centre stage and thereby placing property ownership on the objective concept of right. A tradition hitherto generally left unnoticed, yet uncovered here as the source of inspiration, vests the whole project with a moral-teleological tone. The tradition, enunciated by St. Augustine and developed by St. Bonaventure and John Wyclif, invites us to see property from the perspective of a moral end: it ought to be used for the love of God and neighbours, and as such it can be owned only by the just. In spite of important insights into the moral nature of property, the Augustinian thesis not only fails to spell out what ‘use for love’ means but also suffers from elitism. Nor does it offer an adequate justification of private property. Such weaknesses call for revision. When we reinterpret the Augustinian thesis through the concept of the divine imperative of service coupled with a proper understanding of human work, property acquires a distinctive justification. Property, as an institution, is justified as a requisite for carrying out God’s redemptive work towards the world. From this general justification ensues the particular justification. We hold property as specifically ‘mine,’ since each person’s ordained mission to participate in God’s work requires a uniquely personal material means, although the recognition and fulfilment of individual mission still demands communal efforts. The duty to carry out the God-commanded mission at first allows us to possess private property only in a non-proprietorial and non-exclusive manner. Yet in the prevailing condition of economic scarcity and human greed, civil jurisdiction must provide a structure of rights to enforce property institution. As God’s invitation for the transformation of the world is a universal command, everybody should have a minimum of property, and yet in differentiation of the scope and kinds commensurate with the particularities of individual mission.
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Henriksson, Andrea. "Tvingad migration, återvändande och synen på begreppet ”hem” : En diskussion utifrån sedentarism och intersubjektivitet". Thesis, Uppsala universitet, Kulturantropologiska avdelningen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-175069.
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Neander, Anna. "Måleri och erfarenhet hos Foucault". Thesis, Södertörns högskola, Institutionen för kultur och kommunikation, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-38814.
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This thesis examines the philosopher Michel Foucault’s view of painting as an experience. I study Foucault’s essay on Velázquez’s painting Las Meninas and his lecture on Manet in light of his view that the relation between images and texts, as well as between what can be uttered and what can be seen, are to be understood as symptoms of a variable structure of experience. I explore Foucault’s claim that concepts shape our experience by comparing his descriptions of the beholder’s experience of light and space in these paintings with his theory of representation in The Order of Things. Further, I analyze the specific role of painting in Foucault’s philosophy, as amediator of historical experiences. This study shows that, according to Foucault, the structure dominating both experience and knowledge in the early modern period was predominantly visual. Towards the end of this period images came closer to text, corresponding to a shift in the human sciences towards methods of interpretation rather than visual observation. This can be understood in terms of a new form of sensibility. This thesis challenges the interpretation that Foucault holds there to be a sharp discontinuity in experience by showing how painting, as an experience, transgresses epistemological boundaries. I claim that this experience appears through Foucault’s way of carefully examining and describing a visual experience of an image.
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McGregor, Darren. "Do the new basics improve higher order thinking? /". [St. Lucia, Qld], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18231.pdf.
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Magnusson, Vide. "En varulvs möte med marxism : En fallstudie kring maktutövning i 1600-talets Livland". Thesis, Linnéuniversitetet, Institutionen för kulturvetenskaper (KV), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-101351.
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The purpose of this study is to explore how the court and church in Livonia worked together to remain the sole authority in the country. The Teutonic knights waged crusades in the Baltic countries during the 13th century, formed the country Livonia and ended up staying. In a country where an ethnic German minority held most of the positions of power it became important to legitimize the reason for it being so. This study will focus on the court case of Thiess from 1691, a man charged with being a werewolf and who refused to acknowledge the German ideology. To highlight the power structure, I turned to Louis Althusser and Marxism which theories included the repressive state apparatus and ideological state apparatuses. With those theories in mind, the use of text analysis and literature on the history of Livonia, the power struggle has become clearer. My findings show the importance of making an example of Thiess due to his influence of the peasants.
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Schmidt, Kersten. "High-order numerical modelling of highly conductive thin sheets /". Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17903.
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Tokarev, Ihor. "Order in Thin Films of Diblock Copolymers by Supramolecular Assembly". Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2004. http://nbn-resolving.de/urn:nbn:de:swb:14-1099477838203-49954.
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Thin membranes with dense periodic arrays of nanoscopic voids were fabricated using the principles of supramolecular assembly and self-organization in polymers. Such nanoporous membranes can be used as templates for synthesis and patterning of various organic and inorganic materials. In this thesis 4-vinylpyridine fragments of polystyrene-block-poly(4-vinylpyridine) (PS-PVP) were associated with the molecules of two different low molar mass additives, 2-(4'-hydroxybenzeneazo)benzoic acid (HABA) and 3-n-pentadecyl phenol (PDP), via hydrogen bonds. The choice of an additive and a solvent is a key factor which influences the morphologies of the PS-PVP+HABA associates (supramolecular assemblies) in thin films. The reversible association via hydrogen bonds allows the amphiphilic molecules of PDP to phase segregate on the free air interface. Unlike, the molecules of HABA remain associated within cylindrical and lamellar domains formed by the PVP block. A solvent used for film deposition influences the orientation of PVP+HABA domains with respect to the confining interfaces. The films deposited from 1,4-dioxane – a good solvent for PS and a bad one for PVP+HABA – demonstrated the perpendicular orientation of PVP+HABA domains. Meanwhile, the preparation of films from a chloroform solution – a good solvent for both PS and PVP+HABA – led to the parallel alignment. The orientation was independent on the film thickness (within the studied range of 20–100 nm) and insensitive to the chemical nature of a substrate. The orientation of the domains was shown to switch upon exposure to vapors of the above mentioned solvents from the parallel to perpendicular orientation and vice versa. Moreover, the swelling of the films in solvent vapors resulted in the significant improvement of the domain ordering. Extraction of HABA with selective solvent transformed of PVP+HABA domains into channels with reactive PVP chains on the walls. The resulted membranes with the perpendicular oriented channels (the diameter about 8 nm, the inter-channel distance 24 nm) were used as a template for the creation of ordered arrays of nanodots from nickel, chromium and gold.
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Karakus, Yusuf. "Second order nonlinear optical properties of poled polymeric thin Films". Thesis, Durham University, 1993. http://etheses.dur.ac.uk/5656/.
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In this thesis the electrical poling and second order non-linear optical, NLO properties of guest-host, side-chain and main-chain polymers are studied. In bisphenol-A polycarbonate, BPA-PC guest-host systems an enhancement in both the thermal stability and linear electro-optic coefficient can be observed. This can occur in guest- host systems where hydrogen bonding can arise. One example is DAN/BPA-PC guest- host polymer. In side-chain materials a commercially available polymer P-4VP can be poled. This material shows moderate electro-optic response following poling. A novel main-chain type material, where the NLO group is rigidly bonded to the main-chain in a 'V shape is studied for its poling and second-order NLO properties. The rigidity of the polymer is so high that only chain-end groups contribute to the response.
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Gaskins, Kylie. "Organic Self-Assembled Thin Films for Second Order Nonlinear Optics". Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/34261.
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With a growing demand in industry for cost effective, increased data handling capabilities great attention has been paid to the study of various polymer systems for use in optical telecommunications. Inorganic crystals, currently used in such systems, have high performance, but are more expensive and less obtainable than organic materials. Recent advances in techniques for developing highly efficient and inexpensive organic polymeric electro-optic (EO) devices compatible with current state-of-the-art electronics have created an interest in the commercialization of such electro-optic devices. In light of the many advantages of utilizing organic materials for electro-optic applications, numerous methods have been developed to produce nonlinear optically (NLO)-active polymeric films for such purposes. Ionic self-assembled multilayer (ISAM) films are a recently developed class of materials that allows detailed structural and thickness control at the molecular level, combined with ease of manufacturing and low cost. However, the layer-by-layer deposition technique utilized for this method currently requires lengthy processing times that challenge the feasibility of fabricating a thick film suitable for EO modulator device fabrication.
This study focuses on addressing the influence of several pertinent processing variables affecting these challenges for application to electro-optic device fabrication. This study investigated (1) the effect of forced convection, varying deposition time and varying dye concentration on the properties of PAH/Procion Brown films fabricated via the hybrid reactive deposition scheme, (2) the automation and optimization of the fabrication of thick NLO active films and (3) the use of the hybrid covalent-electrostatic deposition scheme to fabricate a polymeric waveguide device with an electro-optic coefficient comparable to that of lithium niobate (LiNbO3).
At fixed deposition time and concentration conditions, the presence of convection had little demonstrated effect on films with deposition times shorter than 2 minutes. For the 5 minute case, the presence of convection correlated with a ~45% increase in Ï (2)zzz values values and a 25% increase in absorbance per bilayer. At a constant dye concentration of 5 mg/ml, the deposition time had little effect on SHG for deposition times less than two minutes. In the presence of convection, the increase in deposition time from 2 minutes to 5 minutes showed a 57% increase in Ï (2)zzz values and a 30% increase in absorbance per bilayer. For a deposition time of 2 minutes in the presence of convection, the dye solution concentration was successfully reduced 5-fold (from 5 mg/ml to 1 mg/ml) with less than a 5% difference in Ï (2)zzz values, less than a 15% decrease in absorbance per bilayer and no detriment to film quality. These results strongly indicate that the deposition conditions remain well outside of the transport-limited regime at a dye concentration of 1 mg/ml. Rather, the surface reaction rate apparently is controlling. Depositing slides at an elevated temperature (~35°C), had an undetermined effect on Ï (2)zzz values, but showed a 15% increase in absorbance per bilayer.
An automatic dipper was programmed to replicate the current manual deposition method to fabricate a film suitable for EO modulator devices. Utilizing the optimal conditions for the processing variables, an optically-homogeneous, 100 nm-thick film was fabricated utilizing the automated process, yielding a Ï (2)zzz values~ 23 x 10-9 esu.
A three-layer coplanar electro-optic device was fabricated utilizing the hybrid reactive deposition method. For this device, the presence of added salt was found to increase the electro-optic coefficient r33 by a factor of 3 compared to its value when made with no added salt. The electro-optic coefficient of the added salt case was found to be about 1/2 that of lithium niobate (LiNbO3).Master of Science
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Figura, Charles Chester. "Second Order Nonlinear Optics in Ionically Self-Assembled Thin Films". Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/28077.
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Detailed studies are presented of thin films that self-assemble into the noncentrosymmetric structure required for second order nonlinear optical responses. Second harmonic generation is used as a probe of the second-order nonlinear optical susceptibility (c(2)) of ionic self-assembled monolayer (ISAM) films. Films produced from the ISAM technique are shown to possess significant c(2), with values presently comparable to quartz (c(2)=1.53*10-9 esu). These films show exceptional stability over time, with negligible decrease in c(2) after 26 months.
ISAM films self-assemble from polyelectrolyte solutions due to coulombic interactions between a charged substrate and the charged polymer in solution. This process is self-limiting since charge overcompensation at the surface restricts further deposition as like charges accumulate at the surface. We have found that this 'kinetically hindered equilibrium' occurs quickly for the samples studied, after approximately 45 seconds immersion.
Non-centrosymmetry is obtained during deposition as chromophores orient towards the substrate as a strong, localized collection of opposite charge. This net orientation is partially diminished as some amount of chromophore extends in the opposite direction at the film/solution interface. Second harmonic measurements suggest that chromophores at the outermost interface collapse against the film surface when dried, resulting in a larger c(2) than other 'capped' layers. Any polymer which is not located at the interfaces is thought to possess random orientation, and therefore does not contribute to c(2).
We have investigated how ionic strength and solution pH affect the structure of ISAM films. These parameters serve to control the electrostatic screening in solution. Low salt concentrations result in low or no electrostatic screening. As a result, charges on a polymer strongly feel one another's presence, and decrease the net electrostatic energy by maximizing their distance from each other. This results in a rod-like conformation, which when adsorbed onto the film surface produces thin layers. Large salt concentrations serve to screen the electrostatic interaction. Because charges do not experience the strong repulsion from their neighbors, the polymer backbone is more likely to loop and coil. If the polymer is weakly soluble (pH near the solubility edge), the polymer will loop about itself and other polymer chains in order to reduce the number of polymer/water contacts. Increased screening results in adsorption of thicker films. We show that this also results in a marginal increase in film density, likely due to an increase in polymer interpenetration of adjacent layers. We can associate an increase in chromophore population at the interface with this increase in density. The reduction in screening also is shown to decrease the chromophore orientation angle, presumably by decreasing the repulsion between charges located on the chromophore ends. The improved orientation leads to an increased non-centrosymmetry in the layer. c(2) is decreased, however, as film thickness (and therefore the population of randomly oriented chromophore between interfaces) increases faster than the improvements to non-centrosymmetry at the interface.
We have investigated the thermal stability of ISAM films at elevated temperatures, and have found that these films do not exhibit a permanent decay of c(2) with increased temperature as do poled guest-host polymers. A temperature-dependent decrease is observed for temperatures up to 250°C. This decrease is completely reversible (for films heated to 150C), with c(2) recovering its initial value upon cooling in spite of a glass transition temperature measured as Tg=140°C The decrease in c(2) is thought to be due to a combination of effects. Predominant decrease is thought to be due to disassociation of ionic bonds, which serve to provide noncentrosymmetry in films. A slower, smaller decay due to decrease in moisture content of the films at high temperature is also thought to be present.Ph. D.
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Shen, Yichang. "Reduced-order models for geometrically nonlinear vibrations of thin structures". Thesis, Institut polytechnique de Paris, 2021. http://www.theses.fr/2021IPPAE012.
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Lorsqu'elles vibrent avec de grandes amplitudes, les structures minces montrent un comportement non linéaire géométrique, provenant de la relation non linéaire entre les déformations et les déplacements. Les analyses des systèmes complets font appel à des calculs extrêmement couteux de telle sorte que l'établissement de modèles d'ordre réduit efficaces est un sujet d'intérêt majeur pour le calcul prédictif de vibrations de structures minces.Dans cette thèse, des méthodes non linéaires de réduction de modèle pour les structures discrétisées par la méthode des éléments finis et comportant une non-linéarité géométrique, sont étudiées. Trois méthodes non intrusives sont plus particulièrement examinées et systématiquement comparées: la méthode de condensation implicite, la méthode des dérivées modales, et la réduction sur variétés invariantes du système. Les analyses théoriques montrent que les deux premières méthodes ne peuvent donner de résultats fiables que sous hypothèse d'une séparation spectrale entre les fréquences propres des modes maitres et celles des modes esclaves. La méthode de réduction sur variétés invariantes permet quant à elle d'avoir une méthode directe, ne nécessitant pas de pré-calculs, ni d'hypothèses préalables sur les fréquences propres des modes esclaves, afin de fournir des résultats corrects.De nombreuses applications et de comparaisons numériques sont montrées sur diverses structures discrétisées avec la méthode des éléments finis. Pour appliquer la méthode des variétés invariantes, une méthode récemment développée, permet de proposer un calcul direct de la forme normale du problème, à partir de la base physique et donc des degrés de liberté du maillage éléments finis. Les exemples montrent clairement les avantage et inconvénients de chaque méthode, validant aussi les résultats théoriques montrés précédemment.Dans la dernière partie de la thèse, la dynamique non linéaire d'un système présentant une relation de résonance interne 1:2 est analysée, en tenant compte des termes cubiques. La forme normale réelle du problème est d'abord établie. Ensuite les branches de solution du problème sont analysées et comparées avec celles du modèle plus simple négligeant la non-linéarité cubique. Le comportement divergent observé lorsqu'on réduit le problème à un seul mode et que l'on cherche à prédire le comportement raidissant ou assouplissant, est ensuite étudié avec ce modèle plus completWhen vibrating with large amplitudes, thin structures experience geometric nonlinearity due to the nonlinear relationship between strains and displacements. Because full-order nonlinear analysis on geometrically nonlinear models are computationally very expensive, the derivation of efficient reduced-order models (ROMs) has always been a topic of interest.In this thesis, nonlinear reduction methods for building ROMs with geometric nonlinearity in the framework of the Finite Element (FE) procedure, are investigated. Three non-intrusive nonlinear reduction methods are specifically investigated and systematically compared. They are: implicit condensation and expansion (ICE), modal derivatives (MD), and the reduction to invariant manifold. Theoretical analysis shows that the first two methods can give reliable results only if a slow/fast assumption between slave and master coordinates holds. On the other hand, reduction to invariant manifolds allows proposing a simulation-free reduction method that can be applied without restricting assumptions on the frequencies of the slave modes.Numerical comparisons and numerous applications to continuous structures discretized with the FE procedure, are given subsequently. For application of the invariant manifold-based method, the computation is based on a direct application of the normal form to the physical space and hence to the nodes of the FE mesh, a method recently developed. The examples show the advantages and drawbacks of each reduction method when deriving ROM, and the results of the theoretical comparison are validated.Finally, the analysis of the dynamics of a system with 1:2 internal resonance and cubic nonlinearity is given in the last part of the thesis. The real normal form of the problem is first derived. Then the solution branches of the problem are investigated and compared to simpler solutions with the dynamics truncated at order two. The divergent behaviour of the hardening/softening characteristics for single-mode reduction is investigated with this more complete model
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Hofmann, Matthias Colin. "Second Order Nonlinear Silica-Based Fibers and Microspheres". Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/76786.
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After decades of development, optical fiber technology has reached a high degree of sophistication and maturity, and currently serves as the backbone of today''s internet. Despite its technical versatility and capability, current silica fiber technology still has a significant flaw: since silica fibers only possess very weak second order nonlinearity, it has been impossible to develop a large number of important nonlinear optical devices and instruments, such as optical parametric amplifiers (OPA) and optical parametric oscillators (OPO). In this thesis,we show how to overcome this intrinsic limitation, and introduce second order nonlinearity into silica fiber devices.Master of Science
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Bargman, Daniil. "How Irrational Behavour Creates Order and How This Order Can Be Determined : The Theory and Practice of Fractal Market Analysis". Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Nationalekonomi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-15533.
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This paper analyzes two main frameworks that challenge the “mainstream” finance theory and the random walk hypothesis. The first framework is based on investor irrationality and is called Behavioural Finance. The second framework views the financial market as a chaotic system and is called Fractal Theory of a financial market. Behavioural Finance attacks the assumption of investor rationality, thus challenging the conventional finance theories on the micro level. Fractal Theory challenges the EMH and the “macroeconomics” of finance. This paper presents a step towards unifying the frameworks of Behavioural Finance and Fractal Theory. After a review of the relevant literature, a model of the financial market is suggested that rests on the predictions of both Behavioural Finance and Fractal Theory. As a next step, a mathematical algorithm is described that allows to test the financial market for consistency with the presented model. The mathematical algorithm is applied to 10 years of daily S&P500 price quotes, and consistent statistical evidence shows that the predicted fractal pattern reveals itself in the S&P500 prices. The new model outperforms the random walk in out-of-sample forecasting.
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Sharpe, Jillian. "I cannot place this : grief as destabilized order in interactive metafiction". Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/52907.
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Julio Cortázar’s Hopscotch and BS Johnson’s The Unfortunates depict the effects of loss on self-perception in a way that is informed by these books’ unconventional physical structures. Both are interactive texts that identify the fragmentation of the self as a key feature of grief and their aleatory, randomizable structures perform the involuntary and disruptive nature that Susan Brison identifies as characteristic of traumatic memory. These experimental books thus call attention to the physicality of reading and to the reader’s role as an active participant who is responsible for the construction of meaning that arises from physically ordering each text. The fragmentary nature of the grieving subject is embodied by chapter divisions, which in both texts act as the primary sites of randomization. In this respect, the chapters of these books can be productively understood using the framework of Derridean citationality, as their ability to be re-ordered in different contexts enables a multiplicity of potential meanings. The metafictional themes of both books further destabilize clear divisions between author and reader, with the texts ultimately suggesting that grief involves a disruption of the individual’s ability to position themselves within organizational frameworks such as causality that would enable straightforward comprehension of the self in relation to the world.Arts, Faculty of
English, Department of
Graduate
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Ricciardo, Rebecca Ann. "Chemical, Magnetic, and Orbital Order of Polycrystalline and Thin film Double Perovskites". The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1250277883.
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Karsono, Sony. "Indonesia's New Order, 1966-1998: Its Social and Intellectual Origins". Ohio University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1367606667.
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Guzy, Matthew Thomas. "Organic Self-Assembled Layer-by-Layer Thin Films for Second-Order Nonlinear Optics". Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/28852.
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Layer-by-layer deposition techniques were used to fabricate films with second order nonlinear optical (NLO) properties. These materials are key to the development of electro-optic modulators used in fiber optic communication systems. Performance benefits and lower manufacturing costs are driving the development of organic NLO materials as replacements for inorganic crystalline materials such as lithium niobate.
The layer-by-layer deposition technique in which polyelectrolytes are deposited on a surface by electrostatic effects is called the Ionically Self-Assembled Monolayer or ISAM method. The role of the optically inactive polycation's structure on deposition and chromophore orientation was studied by fabricating films with several different polycations. While the specific interactions responsible for chromophore orientation in ISAM films remains unclear, hydrogen bonding and electrostatic effects are ruled out as the sole sources of orientation. The highest values of &967;(2) were observed under pH conditions that resulted in flat and thin layers. The relationship between pH and the optical homogeneity of the film was also explored. Deposition of polymers under pH conditions in which the polymer chains were aggregated in solution results in films that are not suitable for use in devices.
In this work, a new layer-by-layer deposition technique was developed. Coined hybrid deposition, it relies on covalent bonds and electrostatic interactions for film fabrication. Optically inactive polyamines were used as sources of positive charges and as binding sites with optically active low molecular weight chromophores functionalized with a reactive triazine ring and negative charged sulfonate groups. Polar ordering of the chromophores was obtained when the deposition was done under conditions in which covalent bonding was the preferred attachment mechanism for the chromophore molecules. pH conditions in which electrostatic attachment dominated resulted in poorer orientation. The effect of adding ionic salts to the dye solutions was studied, with hopes of increasing the chromophore density in the film by shielding inter-dye electrostatic repulsions. A linear relationship in deposited amount, as characterized by absorbance/bilayer, was observed as the salt concentration was increased. Little effect on &967;(2) was observed for films made with the as-received Procion Red MX-5B chromophore. However, films fabricated from purified Procion Brown MX-GRN showed a definite dependence on added salt. Exceptional &967;(2) values were obtained for Procion Brown films deposited using 0.5 M NaCl and PAH. The importance of depositing from non-aggregated solutions was again highlighted, as films made with the less soluble Procion Orange were significantly less homogeneous than those made from Procion Red and Procion Brown which were highly soluble. The role of polycation structure on the deposition and orientation of Procion Brown and Red was examined.Ph. D.
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Bernasconi, Daniel Joseph. "A higher-order potential flow method for thick bodies, thin surfaces and wakes". Thesis, University of Southampton, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484982.
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Ahigher-order method is developed that models continuous source and doublet singularity distributions over three-dimensional curved surfaces. The singular on-surface influence coefficients are treated by a robust desingularisation algorithm, whereas off-surface coefficients are calculated by means of an efficient subdivision and variable cubature scheme. Whilst higher-order methods have previously been developed fo! thick bodies and Dirichlet boundary conditions, this method is also capable of modelling continuous geometry and singularity surfaces over thin bodies and wakes that require Neumann boundary conditions. The Continuous Surface Method (CSM) has a number of advantages over conventional constant panel methods (CPMs). Firstly, as curved geometries are represented exactly, changing the order of the solution does not modify the physical shape of the configuration. Furthermore, as singularity solutions are continuous, the significant grid-dependency of CPMs does not arise. Finally, the continuous singularity distributions allow velocities to be evaluated accurately across the entire surface without interpolation: this enables the calculation of continuous pressure distributions and the construction ofstreamlines and wakes flowing very close to surfaces, without any problems of divergence. Numerical results comparing the CSM to a CPM have shown that for equal run times, the CSM obtains greater accuracy in pressure distributions than a CPM, and produces much smoother velocity fields. However the CSM was not able to improve upon the efficiency ofthe CPM in determining total aerodynamic forces. A wake relaxation scheme in which wakes are modelled as curved B-spline patches is developed, and is convergent for simple geometries. For.a more complex example of wakes shed from two closely overlapping sails, the wake relaxation converges to within around 0.5% of total aerodynamic load, but the low panel resolutions employed in the CSM are insufficient to model the detail of . the wake roll-up effectively. Three alternative schemes to address this problem are evaluated.
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Ding, He. "Advanced photonic crystal assisted thin film solar cells : from order to pseudo-disorder". Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEC003/document.
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Dans les cellules solaires en couches minces de silicium, il est important de maximiser l'efficacité d'absorption, notamment afin d'atteindre une densité de courant de court-circuit (Jsc) suffisante. Pour atteindre cet objectif, nous avons développé des stratégies de piégeage de la lumière à base de cristaux photoniques (CP) simplement périodiques et des structures plus complexes, pseudo-désordonnées. Ce travail vise à intégrer de telles structures dans des cellules solaires en couches minces de silicium cristallin (c-Si). Tout d'abord, un CP à maille carrée de trous cylindriques ou de nano-pyramides inversées ont été intégrés dans cellules solaires à hétérojonction a-Si:H/c-Si en couches minces. L'absorption dans la seule couche absorbante (c-Si) est optimisée grâce à des simulations numériques utilisant la méthode de différences finies dans le domaine temporel. Le Jsc est augmenté de 56,4% (trous cylindriques) et 104,8% (nanopyramides inversées) par rapport au cas sans motif. Nous avons également examiné des structures plus élaborées, où plus un CP de trous cylindriques est introduit en face arrière. Deuxièmement, nous avons considéré des nanostructures complexes mais réalistes pseudo-désordonné, sur la base de supercellules périodiquement reproduites où les trous sont placés au hasard. Dans de telles structures l'absorption peut être augmentée par rapport à un réseau carré de trous optimisé, par augmentation de la densité spectrale de modes optiques. La simulation basée sur l'analyse rigoureuse couplée et la fabrication par lithographie par faisceau électronique et les technologies de gravure ionique réactive ont été effectués, conduisant à une augmentation de l'absorption nette d'environ 2,1% en théorie, et de 2,7% expérimentalement. Enfin, nous avons mis en place des structures pseudo-désordonnées avec supercellules de tailles différentes, dans les couches c-Si de plusieurs épaisseurs dans la gamme 1-8μm. Les mécanismes d'absorption dans ces structures ont été analysés, à la fois dans les espaces réel et réciproque, en vue de déterminer des critères de conception. En outre, la réponse angulaire de la structure pseudo-désordonnée optimisée est plus stable que celle du réseau carré optimisé, en particulier dans les grandes longueurs d'ondeIn thin film silicon solar cells, it is important to take control of the absorption efficiency, in order to reach a high enough short-circuit current density (Jsc). To reach this goal, we have developed light trapping strategies based on simply periodic photonic crystals (PC) and more complex pattern structures. This work aims at integrating such structures into thin film crystalline silicon (c-Si) solar cells. Firstly, a simply periodic square lattice PC structure of cylindrical holes or inverted nano-pyramids have been considered in a-Si:H/c-Si heterojunction thin film solar cells. The absorption in the sole absorbing layer (c-Si) is considered and optimized in numerical simulations based on the Finite Difference Time Domain method. The Jsc are increased by 56.4% (cylindrical holes) and 104.8% (inverted nano-pyramids) compared to the unpatterned case. We also considered more advanced structures where an additional cylindrical holes structure is introduced in the bottom. Secondly, we have considered complex but realistic “pseudo-disordered” nanostructures, based on periodically reproduced supercells where the holes are randomly shifted. In such structures the absorption could be increased compared with fully optimized square lattice of holes, by increasing the spectral density of optical modes. Simulation based on Rigorous Coupled Wave Analysis and fabrication by electronic beam lithography and reactive ion etching technologies have been performed, leading to a net absorption increase of about 2.1% theoretically, and 2.7% experimentally. Lastly, we have introduced pseudo-disordered structures with supercells of different size, in c-Si layers of several thicknesses in the 1-8μm range. The absorption mechanisms in such structures were analyzed, both in the real and reciprocal spaces, with a view to determine design guidelines. Moreover, the angular response of the optimized pseudo-disordered structure appears to be more stable than in the optimized square lattice of holes periodic case, especially in the long wavelength range
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Dolan, Autumn Huneycutt Lois L. ""We have chosen a few things from among many" the adaptations and suitability of nuns' rules in Merovingian Gaul /". Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6468.
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Title from PDF of title page (University of Missouri--Columbia, viewed on Feb 17, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Thesis advisor: Dr. Lois Huneycutt. Includes bibliographical references.
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Neyman, Patrick J. "Second-Order Nonlinear Optical Characteristics of Nanoscale Self-Assembled Multilayer Organic Films". Diss., Virginia Tech, 2004. http://hdl.handle.net/10919/28223.
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Ionically self-assembled monolayer (ISAM) films are typically an assemblage of oppositely charged polymers built layer by layer through Coulombic attraction utilizing an environmentally friendly process to form ordered structures that are uniform, molecularly smooth and physically robust. ISAM films have been shown to be capable of the noncentrosymmetric order requisite for a second-order nonlinear optical response with excellent temporal and thermal stability. However, such films fabricated with a nonlinear optical (NLO) polyanion result in significant cancellation of the chromophore orientations. This cancellation occurs by two mechanisms: competitive orientation due to the ionic bonding of the polymer chromophore with the subsequent polycation layer, and random orientation of the chromophores within the bulk of each polyanion layer. A reduction in film thickness accompanied by an increase in net polar ordering is one possible avenue to obtain the second-order susceptibility chi(2) necessary for practical application in electro-optic devices. In this thesis, we discuss the structural characteristics of ISAM films and explore a novel approach to obtain the desired characteristics for nonlinear optical response. This approach involves a hybrid covalent / ionic self-assembly technique which affords improved net dipole alignment and concentration of monomer chromophores in the film. This technique yields a substantial increase in chi(2) due to the preferential chromophore orientation being locked in place by a covalent bond to the preceding polycation layer. The films fabricated in this manner yield a chi(2) that substantially exceeds that of any known polymer-polymer ISAM film. This covalent-hybrid ionically self-assembled multilayer (CHISAM) technique is demonstrated to result in films suitable for electro-optic devices, with measured electro-optic coefficient (14 pm/V) comparable to that of the inorganic crystal lithium niobate (30 pm/V). Thermal and temporal stability are important properties of electro-optic device implementation, and are demonstrated for CHISAM films. CHISAM films have remained stable at room temperature for more than 420 days, and suffered no loss of chi(2) when held at 80 C for 36 hours, followed by 150 C for 24 hours. Studies are also presented that demonstrate the ability to produce ISAM chi(2) films that are nearly one micron thick, and exhibit no evidence of a thickness limitation to the polar order. Analytical considerations for second-order NLO characterization of thick films are addressed in detail. The effect of absorption of the second harmonic wavelength and resonant enhancement of chi(2) are investigated, and it is demonstrated that accurate determination of chi(2) may be made for thick films and for films that absorb the second harmonic. The temporal and thermal stability of a variety of ISAM and CHISAM NLO films are examined in detail. In some cases, a decrease in the NLO response is observed at elevated temperature that is completely restored upon cooling. Studies are presented that suggest this effect is a result of thermally induced trans-to-cis isomerization of azo linkages in the NLO chromophores.Ph. D.
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Michie, Ian Christopher. "Purity of heart is to will one thing Søren Kierkegaard and the Desert Fathers /". Theological Research Exchange Network (TREN), 2007. http://www.tren.com/search.cfm?p015-0458.
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Korelis, Panagiotis. "Uncovering Magnetic Order in Nanostructured Disordered Materials : A Study of Amorphous Magnetic Layered Structures". Doctoral thesis, Uppsala universitet, Materialfysik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-159913.
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The scope of this thesis is the study of the interplay between structure and magnetism in amorphous materials. The investigations focus on the growth of amorphous layers and the study of the influence of structural disorder and reduced physical extension on the magnetic properties of thin films and multilayers. The examined magnetic materials are FeZr alloys, as well as other amorphous transition metal alloys such as CoZr and FeCoZr. Thin films and multilayers of the studied materials were deposited using magnetron sputtering in ultra-high vacuum conditions. Their amorphous structure and layering quality was investigated using X-ray scattering techniques and in several cases with transmission electron microscopy. The chemical composition of the alloys was determined with Rutherford Backscattering Spectrometry. The magnetic properties were investigated using the magneto-optic Kerr effect and SQUID magnetometry, as well as polarized neutron reflectometry and X-ray magnetic circular dicroism measurements. For FeZr alloys deposited as multilayers with Al2O3 as spacer layer, it was found that Fe-rich nanocrystallites, formed at the metal/oxide interfaces, exert large influence on the magnetic properties. The use of AlZr alloys as buffer layers promotes the growth of highly amorphous FeZr layers. FeZr/AlZr multilayers with good layering quality can also be obtained. The influence of the reduced layer thickness on the magnetic moment, Curie temperature and magnetic dimensionality of the magnetic layers is addressed for FeZr/AlZr multilayers. Thin FeZr layers in these structures are found to belong to the 2D XY dimensionality class. The change of the magnetic moment and Curie temperature with reduced FeZr layer thickness is quantified. In addition, the induced magnetic moment in the alloy element Zr was investigated in FeZr and CoZr alloy films. The possibility to imprint a preferred magnetization direction during thin film preparation was demonstrated for FeCoZr layers. Lastly, AlZr alloy films were studied with respect to their oxidation stability at room and elevated temperatures, aiming towards development of materials with passivating properties.
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Nana, Sandjo Albert [Verfasser]. "Solutions for fourth-order parabolic equation modeling epitaxial thin film growth / Albert Nana Sandjo". Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2012. http://d-nb.info/1025882253/34.
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Thompson, John O. "The importance of elemental stacking order and layer thickness in controlling the formation kinetics of copper indium diselenide /". Connect to title online (Scholars' Bank) Connect to title online (ProQuest), 2007. http://hdl.handle.net/1794/6197.
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Thesis (Ph. D.)--University of Oregon, 2007.Typescript. Includes vita and abstract. Includes bibliographical references (leaves 81-84). Also available online in Scholars' Bank; and in ProQuest, free to University of Oregon users.
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Diamond, Katherine. "Reducing these loose papers into this order : a bibliographical sociology of the Principall Navigations (1589)". Thesis, Queen Mary, University of London, 2012. http://qmro.qmul.ac.uk/xmlui/handle/123456789/8362.
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This thesis takes the first edition of Principall Navigations, Voiages and Discoveries of the English Nation (1589) as its focus. A significant, sixteenth-century printed text and Richard Hakluyt’s major work, it is familiar to scholars of the period. Its rich archival source has aided understanding of early modern geography, English discovery and cultural encounters. It has also been evaluated in relation to Hakluyt’s substantial contribution to the burgeoning literature of vernacular prose and to imperial expansionism. My thesis conceives a social history of the production, transmission and reception of Principall Navigations from bibliographical analysis, an investigative method that has remained largely untapped. In each chapter, I incorporate information drawn from the material text into an appreciation of historical practice and relocate Principall Navigations more precisely in its socio-historical moment. This engages with and, in some cases, destabilizes current critical positions. In the first chapter, I explore the importance of Hakluyt’s patrons. Francis Walsingham’s essential role is recorded through his connection with the various interdependent networks of people involved in the book’s production and Hakluyt’s description of his ‘prescribed limites’. This chapter re-evaluates authorial subjectivity. In chapter two, Walsingham’s authority over the Queen’s printing house generally and the production of Principall Navigations particularly is traced through the examination of the Stationers’ Company archive and the evolution of the office of the royal printer. This chapter contends that Walsingham commanded the production of Principall Navigations. Chapter three represents a bibliographical study which integrates the production of Principall Navigations into the Queen’s printers’ general work patterns and investigates textual variants and paper-stocks. The date of the interpolation of the Drake leaves is posited with reference to the debate concerning their suppression. The final chapter explores the relationship between early modern readers and empirical records, through historical reading practice, and concludes by evaluating the location of discursive authority.
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Costa, Henrique de Britto. "Elementos finitos (via resíduos ponderados) na resolução do problema de segunda ordem das placas". Universidade de São Paulo, 1986. http://www.teses.usp.br/teses/disponiveis/3/3144/tde-03072017-165248/.
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Este trabalho aborda os conceitos básicos da teoria de segunda ordem das placas elásticas delgadas, utilizando o Método dos Elementos Finitos (introduzido através do Método dos Resíduos Ponderados, na variante de Galerkin). São deduzidas as matrizes de rigidez geométrica, de rigidez secante e de rigidez tangente, relativas ao problema em consideração. É proposta ainda uma conduta notavelmente simplificada, que facilita sobremaneira a construção da matriz de rigidez tangente.This paper delas with the basic concepts of the secondf order theory of thin elastic plates, through the use of the Finite Element Method 9introcuced through the Weighted Residual Method, in Galerkin\'s approach). The matrices of geometric stiffness, secant stiffness, and tangent stiffness for the problem under consideration are deduced. It is also proposed an outstandingly simplified conduct, which will greatly easen the construction of the tangent stiffness matrix.
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Stöcker, Christina. "Level set methods for higher order evolution laws". Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1205350171405-81971.
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A numerical treatment of non-linear higher-order geometric evolution equations with the level set and the finite element method is presented. The isotropic, weak anisotropic and strong anisotropic situation is discussed. Most of the equations considered in this work arise from the field of thin film growth. A short introduction to the subject is given. Four different models are discussed: mean curvature flow, surface diffusion, a kinetic model, which combines the effects of mean curvature flow and surface diffusion and includes a further kinetic component, and an adatom model, which incorporates in addition free adatoms. As an introduction to the numerical schemes, first the isotropic and weak anisotropic situation is considered. Then strong anisotropies (non-convex anisotropies) are used to simulate the phenomena of faceting and coarsening. The experimentally observed effect of corner and edge roundings is reached in the simulation through the regularization of the strong anisotropy with a higher-order curvature term. The curvature regularization leads to an increase by two in the order of the equations, which results in highly non-linear equations of up to 6th order. For the numerical solution, the equations are transformed into systems of second order equations, which are solved with a Schur complement approach. The adatom model constitutes a diffusion equation on a moving surface. An operator splitting approach is used for the numerical solution. In difference to other works, which restrict to the isotropic situation, also the anisotropic situation is discussed and solved numerically. Furthermore, a treatment of geometric evolution equations on implicitly given curved surfaces with the level set method is given. In particular, the numerical solution of surface diffusion on curved surfaces is presented. The equations are discretized in space by standard linear finite elements. For the time discretization a semi-implicit discretization scheme is employed. The derivation of the numerical schemes is presented in detail, and numerous computational results are given for the 2D and 3D situation. To keep computational costs low, the finite element grid is adaptively refined near the moving curves and surfaces resp. A redistancing algorithm based on a local Hopf-Lax formula is used. The algorithm has been extended by the authors to the 3D case. A detailed description of the algorithm in 3D is presented in this workIn der Arbeit geht es um die numerische Behandlung nicht-linearer geometrischer Evolutionsgleichungen höherer Ordnung mit Levelset- und Finite-Elemente-Verfahren. Der isotrope, schwach anisotrope und stark anisotrope Fall wird diskutiert. Die meisten in dieser Arbeit betrachteten Gleichungen entstammen dem Gebiet des Dünnschicht-Wachstums. Eine kurze Einführung in dieses Gebiet wird gegeben. Es werden vier verschiedene Modelle diskutiert: mittlerer Krümmungsfluss, Oberflächendiffusion, ein kinetisches Modell, welches die Effekte des mittleren Krümmungsflusses und der Oberflächendiffusion kombiniert und zusätzlich eine kinetische Komponente beinhaltet, und ein Adatom-Modell, welches außerdem freie Adatome berücksichtigt. Als Einführung in die numerischen Schemata, wird zuerst der isotrope und schwach anisotrope Fall betrachtet. Anschließend werden starke Anisotropien (nicht-konvexe Anisotropien) benutzt, um Facettierungs- und Vergröberungsphänomene zu simulieren. Der in Experimenten beobachtete Effekt der Ecken- und Kanten-Abrundung wird in der Simulation durch die Regularisierung der starken Anisotropie durch einen Krümmungsterm höherer Ordnung erreicht. Die Krümmungsregularisierung führt zu einer Erhöhung der Ordnung der Gleichung um zwei, was hochgradig nicht-lineare Gleichungen von bis zu sechster Ordnung ergibt. Für die numerische Lösung werden die Gleichungen auf Systeme zweiter Ordnungsgleichungen transformiert, welche mit einem Schurkomplement-Ansatz gelöst werden. Das Adatom-Modell bildet eine Diffusionsgleichung auf einer bewegten Fläche. Zur numerischen Lösung wird ein Operatorsplitting-Ansatz verwendet. Im Unterschied zu anderen Arbeiten, die sich auf den isotropen Fall beschränken, wird auch der anisotrope Fall diskutiert und numerisch gelöst. Außerdem werden geometrische Evolutionsgleichungen auf implizit gegebenen gekrümmten Flächen mit Levelset-Verfahren behandelt. Insbesondere wird die numerische Lösung von Oberflächendiffusion auf gekrümmten Flächen dargestellt. Die Gleichungen werden im Ort mit linearen Standard-Finiten-Elementen diskretisiert. Als Zeitdiskretisierung wird ein semi-implizites Diskretisierungsschema verwendet. Die Herleitung der numerischen Schemata wird detailliert dargestellt, und zahlreiche numerische Ergebnisse für den 2D und 3D Fall sind gegeben. Um den Rechenaufwand gering zu halten, wird das Finite-Elemente-Gitter adaptiv an den bewegten Kurven bzw. den bewegten Flächen verfeinert. Es wird ein Redistancing-Algorithmus basierend auf einer lokalen Hopf-Lax Formel benutzt. Der Algorithmus wurde von den Autoren auf den 3D Fall erweitert. In dieser Arbeit wird der Algorithmus für den 3D Fall detailliert beschrieben
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Gilmore, Joanna Helen. "'This is not a riot!' : regulation of public protest and the impact of the Human Rights Act 1998". Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/this-is-not-a-riot-regulation-of-public-protest-and-the-impact-of-the-human-rights-act-1998(1708440f-0f19-418c-9263-f9b9ca29258c).html.
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The death of Ian Tomlinson at the G20 protests in London in April 2009 triggered a haemorrhaging of public confidence in public order policing. The protests were swiftly followed by a plethora of official inquiries and reports tasked with investigating the legitimacy of existing public order policing tactics and the associated mechanisms of accountability. Events since Tomlinson’s death indicate that this is an issue that is unlikely to dissipate any time soon. Dramatic footage taken during the 2010-11 student protests, including police officers charging protesters on horseback and dragging a disabled activist from his wheelchair, attracted widespread condemnation. The on-going revelations into the activities of undercover police officers suggest that such practices may be the tip of the iceberg. These disclosures have caused a serious crisis of legitimacy for an institution supposedly founded on a principle of ‘policing by consent’. Paradoxically, these developments have occurred during a period in which the right to protest is for the first time reflected in law. In October 2000 the much trumpeted Human Rights Act 1998 (HRA 1998) came into force in England and Wales, incorporating into domestic law the rights and freedoms enshrined in the European Convention on Human Rights (ECHR). Although the ECHR does not establish a legal right to protest per se, it does guarantee positive rights to “freedom of expression” and “freedom of peaceful assembly”, as well as prohibiting arbitrary state interferences with an individual’s liberty and security, thought, conscious and religion and right to privacy. The HRA 1998 appeared to mark a radical departure from the traditional approach and was celebrated as signalling a “constitutional shift” in the state’s approach towards public protest. A principle aim of this thesis is to examine the impact of the HRA 1998 on the regulation of public protest in England and Wales. Whilst a growing body of academic literature has analysed public order law and policy against abstract human rights principles, relatively few have attempted to ground the analysis in the experiences of protesters. This thesis seeks to begin to fill this lacuna. Moving away from a doctrinal analysis of human rights law, I utilise a socio-legal framework to examine contemporary developments in the regulation of public protest in the context of a view from below. Drawing on extensive ethnographic data and analyses of policy documents, newspaper reports, case-law, legislation and Hansard, I adopt a critical normative perspective to assess the legitimacy of the current restrictive interpretations of human rights principles in legal, political and policing-policy discourses.
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Stöcker, Christina. "Level set methods for higher order evolution laws". Doctoral thesis, Forschungszentrum caesar, 2007. https://tud.qucosa.de/id/qucosa%3A24054.
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A numerical treatment of non-linear higher-order geometric evolution equations with the level set and the finite element method is presented. The isotropic, weak anisotropic and strong anisotropic situation is discussed. Most of the equations considered in this work arise from the field of thin film growth. A short introduction to the subject is given. Four different models are discussed: mean curvature flow, surface diffusion, a kinetic model, which combines the effects of mean curvature flow and surface diffusion and includes a further kinetic component, and an adatom model, which incorporates in addition free adatoms. As an introduction to the numerical schemes, first the isotropic and weak anisotropic situation is considered. Then strong anisotropies (non-convex anisotropies) are used to simulate the phenomena of faceting and coarsening. The experimentally observed effect of corner and edge roundings is reached in the simulation through the regularization of the strong anisotropy with a higher-order curvature term. The curvature regularization leads to an increase by two in the order of the equations, which results in highly non-linear equations of up to 6th order. For the numerical solution, the equations are transformed into systems of second order equations, which are solved with a Schur complement approach. The adatom model constitutes a diffusion equation on a moving surface. An operator splitting approach is used for the numerical solution. In difference to other works, which restrict to the isotropic situation, also the anisotropic situation is discussed and solved numerically. Furthermore, a treatment of geometric evolution equations on implicitly given curved surfaces with the level set method is given. In particular, the numerical solution of surface diffusion on curved surfaces is presented. The equations are discretized in space by standard linear finite elements. For the time discretization a semi-implicit discretization scheme is employed. The derivation of the numerical schemes is presented in detail, and numerous computational results are given for the 2D and 3D situation. To keep computational costs low, the finite element grid is adaptively refined near the moving curves and surfaces resp. A redistancing algorithm based on a local Hopf-Lax formula is used. The algorithm has been extended by the authors to the 3D case. A detailed description of the algorithm in 3D is presented in this work.In der Arbeit geht es um die numerische Behandlung nicht-linearer geometrischer Evolutionsgleichungen höherer Ordnung mit Levelset- und Finite-Elemente-Verfahren. Der isotrope, schwach anisotrope und stark anisotrope Fall wird diskutiert. Die meisten in dieser Arbeit betrachteten Gleichungen entstammen dem Gebiet des Dünnschicht-Wachstums. Eine kurze Einführung in dieses Gebiet wird gegeben. Es werden vier verschiedene Modelle diskutiert: mittlerer Krümmungsfluss, Oberflächendiffusion, ein kinetisches Modell, welches die Effekte des mittleren Krümmungsflusses und der Oberflächendiffusion kombiniert und zusätzlich eine kinetische Komponente beinhaltet, und ein Adatom-Modell, welches außerdem freie Adatome berücksichtigt. Als Einführung in die numerischen Schemata, wird zuerst der isotrope und schwach anisotrope Fall betrachtet. Anschließend werden starke Anisotropien (nicht-konvexe Anisotropien) benutzt, um Facettierungs- und Vergröberungsphänomene zu simulieren. Der in Experimenten beobachtete Effekt der Ecken- und Kanten-Abrundung wird in der Simulation durch die Regularisierung der starken Anisotropie durch einen Krümmungsterm höherer Ordnung erreicht. Die Krümmungsregularisierung führt zu einer Erhöhung der Ordnung der Gleichung um zwei, was hochgradig nicht-lineare Gleichungen von bis zu sechster Ordnung ergibt. Für die numerische Lösung werden die Gleichungen auf Systeme zweiter Ordnungsgleichungen transformiert, welche mit einem Schurkomplement-Ansatz gelöst werden. Das Adatom-Modell bildet eine Diffusionsgleichung auf einer bewegten Fläche. Zur numerischen Lösung wird ein Operatorsplitting-Ansatz verwendet. Im Unterschied zu anderen Arbeiten, die sich auf den isotropen Fall beschränken, wird auch der anisotrope Fall diskutiert und numerisch gelöst. Außerdem werden geometrische Evolutionsgleichungen auf implizit gegebenen gekrümmten Flächen mit Levelset-Verfahren behandelt. Insbesondere wird die numerische Lösung von Oberflächendiffusion auf gekrümmten Flächen dargestellt. Die Gleichungen werden im Ort mit linearen Standard-Finiten-Elementen diskretisiert. Als Zeitdiskretisierung wird ein semi-implizites Diskretisierungsschema verwendet. Die Herleitung der numerischen Schemata wird detailliert dargestellt, und zahlreiche numerische Ergebnisse für den 2D und 3D Fall sind gegeben. Um den Rechenaufwand gering zu halten, wird das Finite-Elemente-Gitter adaptiv an den bewegten Kurven bzw. den bewegten Flächen verfeinert. Es wird ein Redistancing-Algorithmus basierend auf einer lokalen Hopf-Lax Formel benutzt. Der Algorithmus wurde von den Autoren auf den 3D Fall erweitert. In dieser Arbeit wird der Algorithmus für den 3D Fall detailliert beschrieben.
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Heidarian, Alireza. "Study of the Static and Dynamic Magnetization across the First Order Phase Transition in FeRh Thin Films". Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-198693.
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The equiatomic FeRh alloy undergoes a first-order phase transition from an antiferromagnetic (AFM) to a ferromagnetic (FM) state at about 370 K with a small thermal hysteresis of about 10 K around the phase transition. The transition is accompanied by a unit cell volume expansion about 1% in the c lattice parameter. During the transition the new phase nucleates in the matrix of the original phase by reaching the critical temperature followed by a growth in size upon increasing temperature further. Therefore, to understand the transition process with more details, it is desirable to investigate the nucleation and growth of both phases within the first order phase transition.
In the present thesis the main focus is on the growth of FeRh thin films by means of Molecular Beam Epitaxy (MBE) technique and characterization of the magnetic and structural properties. To develop an understanding of the phase transformation in FeRh thin films the ways in which one can tune it were investigated.
The following aspects concerning the FeRh system have been examined here:
1) influence of annealing temperature on the magnetic and structural response,
2) effect of film thickness on the first-order phase transition temperature as well as the saturation magnetization,
3) influence of chemical composition on the magnetic properties and
4) magnetic field-induced phase transition.
To get insight to details of the transition process the magnetization dynamic has been addressed by performing Ferromagnetic resonance (FMR) experiment across the phase transition. FMR measurements determined the existence of two areas with different magnetic properties inside the film. A huge temperature difference for the beginning of the phase transition in comparison with the static magnetization measurement was observed for the equiatomic FeRh thin film prepared by MBE.
Tuning of the AFM to FM phase transition in the FeRh thin film by means of low-energy/low fluence Ne+ ion irradiation was studied. Ion irradiation technique offers a quantitative control of the degree of chemical disorder by adjusting the ion fluence applied, while the penetration depth of the disordered phase can be adjusted by the ion-energy. The main results of ion irradiation are the shifting of the phase transition temperature to lower temperature and irradiation with 3×1014 ion/cm2 leads to the disappearance the AFM phase completely.
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Vu, Duy Thang [Verfasser]. "Geometrically nonlinear higher-order shear deformation FE analysis of thin-walled smart structures / Duy Thang Vu". Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2011. http://d-nb.info/1018190376/34.
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Alves, Leonardo Marcondes. "Give us this day our daily bread : The moral order of Pentecostal peasants in South Brazil". Thesis, Uppsala universitet, Institutionen för kulturantropologi och etnologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-354613.
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This ethnography aims to identify the role of the Pentecostal beliefs that peasants in South Brazil use in justifying their life situations. Anthropological data were collected in the Sertão region of Jaguariaíva, in the Brazilian State of Paraná. An interpretative approach was used with concepts including the moral order of peasantness, moral economy, and multiple livelihood strategies. The core results indicated that Pentecostals in the countryside are not monolithic in terms of religion and have varying degrees of engagement with a variety of churches as well as their relations with the wider capitalism. Their economic and life-changing decisions are articulated by a moral order of peasantness expressed by dependence on Providence and the interpretation of events as a revelation of Divine will. The moral order is significant for maintaining viable peasant communities, orienting their relations to land, kinship, work, and consumption in a way that sets them apart from the “world.” Such findings question the Weberian explanations for the role of Pentecostalism in Latin American capitalism and confirm the repeasantization theory concerning the persistence of a distinctive peasant way of life.Esta etnografia visa identificar o papel das crenças pentecostais com as quais os camponeses do sul do Brasil se expressam para justificar sua subsistência. O trabalho de campo antropológico no Sertão de Jaguariaíva, Paraná, serviu para a coleta de dados. Em uma abordagem interpretativa, a análise emprega conceitos de ordem moral da campesinidade, economia moral e múltiplas estratégias de subsistência. Os principais resultados são: o pentecostalismo rural não é monolítico e conta com diferentes graus de envolvimento com uma variedade de igrejas e com o capitalismo em geral. Não obstante, suas decisões econômicas, ou de grande impacto na vida, são articuladas por uma ordem moral campesina expressa pela espera na providência e pela interpretação de eventos como uma revelação da vontade divina. A ordem moral tem relevância para a manutenção de comunidades camponesas viáveis, orientando suas relações com a terra, o parentesco, o trabalho e o consumo, de modo a distingui-las do “mundo”. Tais resultados juntam-se ao debate das explicações weberianas sobre o papel do pentecostalismo no capitalismo latino-americano e confirmam a teoria do retorno do camponês como categoria e sua persistência como um distinto modo de vida.
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El, Mir Charles. "Analysis of Thin Skinned Cylindrical Sandwich Structures with Weak Orthotropic Core Under Patch Loading". University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1366934320.
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Papadopoulos, Konstantinos. "Investigation of magnetic order in nickel-5d transition metal systems". Thesis, Uppsala universitet, Molekyl- och kondenserade materiens fysik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-383009.
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Double perovskite materials exhibit alterations in magnetic order through manipulation oftheir crystal structure. Certain ultra thin metallic bilayers can create an exotic magnetic stateof confined spin textures called skyrmions. In both cases, new atomic arrangements leadto new electrical and magnetic properties. The following work comprises two studies, bothof which examine the magnetic properties of transition metals in either powder or thin filmsamples. The first part is dedicated to a series of muon spin rotation and relaxation (muSR)experiments on a LaSrNiReO6, double perovskite, powder sample. In the muSR technique, aspin polarized muon beam is focused onto a powder envelope in low pressure and temperatureconditions. The spins of the implanted muons evolve depending on the intrinsic or externallyapplied magnetic field according to Larmor precession. The measurement is based onthe detection of decay positrons that carry this precession information on their preferreddecay directions. Measurements that were realized in wTF, ZF and LF setups, reveal asecond transition to magnetic order at Tc ≃ 22K, below a transition that was observed at T =261K from magnetic susceptibility measurements. The experimental results point to threemagnetic phases, paramagnetic for T > 261K, dilute ferrimagnetic for 22 < T < 261K and amagnetically ordered state for T < 22K, that may implicate ferro- and antiferromagnetismfrom Ni sublattices and Ni-Re interactions. The second part follows an attempt to produce and characterize ultra thin bilayer filmsfor the observation of interfacial chiral structures and skyrmions. Co/Fe/MgO (100) andW/Ni/Cu (100) bilayers were grown with magnetron sputter deposition in various layerthicknesses and their structure was determined by X-ray reflectometry (XRR). The XRRscans presented a relatively thick-layered Co/Fe/MgO film, while extremely thin and roughW/Ni/Cu bilayers, for the purposes of studying films with broken interfacial inversionsymmetry. This study was concluded with indicative magneto-transport measurements thatalso point to the reconfiguration of the growth procedure.