Tesis sobre el tema "Global-local analysi"
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Ahlbert, Gabriella. "Method Evaluation of Global-Local Finite Element Analysis". Thesis, Linköpings universitet, Hållfasthetslära, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-78103.
Texto completoWagg, David Kenneth. "Local and global models for articulated motion analysis". Thesis, University of Southampton, 2006. https://eprints.soton.ac.uk/263222/.
Texto completoVidussoni, Marco A. "Global-local finite element analysis of laminated composites". Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/45966.
Texto completoA Global-Local finite element approach was used to investigate the interlaminar stresses in laminated composite plates with a central circular hole. Detailed solutions were sought for the interlaminar normal stress distributions close to the free straight edge of the plate as well as around the edge of the hole. The Global model was analyzed as a two-dimensional problem. The displacements obtained a distance away from the regions of interest in the two-dimensional model were used as imposed boundary conditions to the three-dimensional models of the edges.
The results obtained were found to be accurate, thus demonstrating the validity and strength of the Global-Local technique. The results further concluded that for symmetric cross-ply laminated plates with large central circular holes, the interlaminar normal stresses at the free edges are affected to a small degree by the size of the hole.
The CSM Testbed and ANISAP were the two finite element analysis programs used throughout this investigation. The CSM Testbed element library was augmented with 16, 20, 24 and 32 node displacement formulation based elements which were implemented as Experimental elements.
Master of Science
Belmonte, Romain. "Facial landmark detection with local and global motion modeling". Thesis, Lille 1, 2019. http://www.theses.fr/2019LIL1I066/document.
Texto completoFacial landmark detection is an essential task for a large number of applications such as facial analysis (e.g., identification, expression, 3D reconstruction), human-computer interaction or even multimedia (e.g., content indexing and retrieval). Although many approaches have been proposed, performance under uncontrolled conditions is still not satisfactory. The variations that may impact facial appearance (e.g., pose, expression, illumination, occlusion, motion blur) make it a difficult problem to solve. In this thesis, a contribution to both the analysis of the performance of current approaches and the modeling of temporal information for video-based facial landmark detection is made. An experimental study is conducted using a video dataset to measure the impact of pose and expression variations on landmark detection. This evaluation highlights the most difficult poses and expressions to handle. It also illustrates the importance of a suitable temporal modeling to benefit from the dynamic nature of the face. A focus is then placed on improving temporal modeling to ensure consideration of local motion in addition to global motion. Several architectures are designed based on the two main models from the literature: coordinate regression networks and heatmap regression networks. Experiments on two datasets confirm that local motion modeling improves results (e.g. in the presence of expressions). These experiments are extended with a study on the complementarity between spatial and temporal information as well as local and global motion to improve the design of the proposed architectures. By leveraging these complementarities more effectively, competitive performance with current state-of-the-art approaches is achieved, despite the simplicity of the proposed models
Haryadi, Satish G. "Global/local analysis of laminated panels with cutouts and cracks". Diss., This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-06062008-154538/.
Texto completoPetrides, Yanira Rosalba. "Corporate social responsibility reporting in Mexico : local and global dimensions". Thesis, University of Exeter, 2017. http://hdl.handle.net/10871/32737.
Texto completoRagon, Scott Alan II. "Development of a Global/Local Approach and a Geometrically Non-linear Local Panel Analysis for Structural Design". Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/30761.
Texto completoPh. D.
Xu, Xin. "MODULAR FAST DIRECT ANALYSIS USING NON-RADIATING LOCAL-GLOBAL SOLUTION MODES". UKnowledge, 2008. http://uknowledge.uky.edu/gradschool_diss/690.
Texto completoCastillo, Guevara Ramon D. "Coordination of Local and Global Features: Fractal Patterns in a Categorization Task". University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1321372828.
Texto completoAlsabt, Danah. "Global vs. Local – Marketing and Advertising Strategies to Promote ‘Brand’ Kuwait". OpenSIUC, 2021. https://opensiuc.lib.siu.edu/theses/2880.
Texto completoTaylor, Christopher P. "A Security Framework for Logic Locking Through Local and Global Structural Analysis". The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587681912604658.
Texto completoPanizza, Matteo. "FRP strengthening of masonry arches: analysis of local mechanisms and global behaviour". Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3427075.
Texto completoNegli ultimi due decenni, i materiali compositi FRP (Fibre-Reinforced Polymers) sono stati adottati anche nel rinforzo di costruzioni murarie sia moderne sia antiche (edifici, ponti, torri), nonché di vari elementi strutturali (pareti, archi e volte, pile e colonne). Il rinforzo di archi e volte in muratura con FRP può contribuire in modo significativo a migliorare la loro portanza in stato limite, attivando meccanismi locali a livello di materiali e interfaccia, ma comporta anche un cambiamento dei meccanismi di collasso della struttura originale, dal momento che il rinforzo impedisce la tipica rottura fragile causata dalla formazione di meccanismi a cerniera. Nonostante un crescente numero di studi riguardanti il rinforzo di strutture murarie con FRP, le indagini sono tuttavia ancora limitate, se confrontate con applicazioni su calcestruzzo armato. Inoltre, pochi codici e raccomandazioni sono attualmente disponibili. Partendo da questi punti, il presente lavoro affronta l'indagine sperimentale di tre meccanismi locali coinvolti nel collasso di archi rinforzati con FRP: il comportamento dell’interfaccia nel caso di tensioni normali alla superficie (distacco del composito osservato in strutture rinforzate all’intradosso) è stato investigato mediante l’esecuzione di un ampio numero di prove combinate eseguite su mattoni pieni in laterizio (prove a flessione, compressione, trazione indiretta e pull-off), allo scopo di calibrare sperimentalmente eventuali correlazioni fra i relativi parametri di resistenza e di osservare eventuali influenze del tipo di fibra e della presenza del primer sul comportamento nella prova di pull-off; il comportamento nel caso di azioni tangenziali è stato studiato mediante l’esecuzione di dieci Double-lap Shear Tests su mattoni pieni in laterizio, al fine di calibrare energia di frattura e legge bond-slip per rinforzo in fibra di carbonio e fibra di vetro (inoltre, è stata proposta una semplice legge bond-slip); il comportamento nel caso di azioni miste (quattordici prove eseguite) è stato investigato mediante l’adattamento di una prova sviluppata per applicazioni di FRP su calcestruzzo armato, nota come V-shape Peel Test, a mattoni in laterizio usati come substrato, allo scopo di riprodurre a scala locale le condizioni relative allo scorrimento a taglio sul giunto di archi con rinforzo estradossale. Infine, vari casi studio, riguardanti archi e volte in muratura, a dimensioni reali oppure scalate, sono stati raccolti da letteratura al fine di comparare i risultati sperimentali con i modelli interpretativi del comportamento globale della struttura a collasso attualmente disponibili.
Islam, Mohammad Majharul. "Global-local Finite Element Fracture Analysis of Curvilinearly Stiffened Panels and Adhesive Joints". Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/38687.
Texto completoPh. D.
Lykes, Valerie A. "Local environmental attitudes, global environmental attitudes, and religion| An analysis in 47 nations". Thesis, University of Nevada, Reno, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10126141.
Texto completoReligion as culture shapes the worldview of its subscribers and thence attitude formation and preferences of individuals towards many topics including the environment. Research interest in the impact of religion soared in the late 1960s, in response to White's (1967) article in Science claiming that a huge burden of guilt for the environment crisis rested on the shoulders of Christianity. Although this Dominion Hypothesis highlights the contrast between Christianity and other religions, the contrast has not been addressed in systematic comparative cross-national research assessing whether Christians hold more negative environmental attitudes than other world religions. This dissertation fills that research gap. The Dominion Hypothesis does not exhaust the potential impacts of religion on environmentalism. For example, social psychology posits the importance of experience as well as of culture on attitudes about matters one encounters directly, so the dissertation posits the Direct Experience Hypothesis and confirms the differentiation of local from global environmental attitudes. Moreover, social psychology also directs our attention to the Reverence Hypothesis, that a subjective side effect of religiosity is reverence and responsibility for nature. To address the Dominion Hypothesis that Christians hold less environmentalist attitudes than their peers in other religious traditions, the direct experience effect, and the Reverence Hypothesis, this dissertation includes descriptive analysis, psychometric scale evaluations, OLS regression, and multilevel modeling of data from the pooled World Values Survey/European Values Survey. Findings are mixed on the Dominion Hypothesis, but consistently support the Direct Experience and Reverence Hypotheses.
Chen, Wei-Ju. "Transforming the global in local magazines : a multimodal analysis of the Chinese Rayli". Thesis, Cardiff University, 2016. http://orca.cf.ac.uk/99701/.
Texto completoCoetzee, Zandereen. "Global versus local brands in South Africa: an empirical analysis of consumer perceptions". Master's thesis, Faculty of Commerce, 2018. http://hdl.handle.net/11427/31537.
Texto completoCusimano, Alessandro. "The effectiveness of local development programs in southern Italy : a global counterfactual analysis". Thesis, University of Kent, 2017. https://kar.kent.ac.uk/61016/.
Texto completoAlmeida, Fernanda de. "Entre o local e o global : a rede do Forum Social Mundial". [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/279461.
Texto completoDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Filosofia e Ciencias Humanas
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Resumo: Observando o Fórum Social Mundial (FSM) como um sujeito político que se utiliza da lógica das redes sociais para se organizar, a presente pesquisa procurou analisar sua rede lançando mão das ferramentas de Análise de Redes Sociais, de modo a melhor perceber os entraves à relação entre o local e o global intrínseco ao FSM, procurando respostas sobre os motivos para que grandes redes globais se fragmentem em redes locais, regionais ou nacionais. A hipótese que norteou essa pesquisa sugeria a existência de uma combinação entre dois elementos que conduziam à fragmentação nas redes globais, e que, permitiriam que a mesma assumisse um caráter local, mas se relacionasse globalmente com as demais. Desta forma as agendas temáticas e as movimentações do FSM via fóruns regionais e temáticos foram problematizadas a partir da relação local/global e permitiram constatar um padrão de relacionamento estruturador das relações na "sociedade civil global". Finalmente, através da operacionalização dos conceitos de "flexibilização" e "tradução" nas agendas das organizações que compõem a rede do FSM percebeu-se um movimento de fragmentação espontânea do Fórum assegurando assim a sua continuidade e não a extinção, como se acreditava inicialmente. Esse movimento foi, portanto, confirmado com a observância de um processo de reprodução e constante adequação de agendas e contextos de modo a envolver a sociedade civil sob bandeiras de trabalho aproximadas entre si, sugerido quase como uma reprodução do mesmo em distintas escalas.
Abstract: By observing the World Social Forum (WSF) as a political entity that uses the social network logic to organize itself, this research sought to analyze its network by employing Social Networks Analysis tools in order to better understand the barriers imposed to the relationship between the local and global aspects intrinsic to the WSF, searching for answers to the reasons for which large global networks are fragmented in local, regional or national ones. The hypothesis that guided this research suggested the existence of a combination of two factors leading to the fragmentation of global networks and that consequently would allow them to assume a local character, yet globally dealing with their counterparts. Bearing that in mind, both the thematic agenda and the movements of the WSF over regional forums were problematized from the perspective of a local/global relationship, enabling the establishment of a pattern that structures the relations in the "global civil society." Finally, a spontaneous fragmentation movement of the Forum was observed through the operation of the "flexibility" and "translation" concepts on the agenda of the organizations that comprise the WSF, thus ensuring its continuity rather than its extinction, opposing previous belief. This movement was thus confirmed through the observation of a reproduction process and a constant adaptation of the agenda and its contexts such that the the civil society is embraced in closely related ideas of action, mostly suggesting a reproduction of the same in different scales.
Mestrado
Cultura e Politica
Mestre em Ciência Política
Georgiou, Kyriakos V. "Analysis and numerics for the local and global dynamics of periodically forced nonlinear pendula". Thesis, University of Surrey, 2000. http://epubs.surrey.ac.uk/842943/.
Texto completoPalumbo, Milena. "A comparative analysis of global-local processing in capuchin monkeys (Sapajus Apella) and humans". Thesis, University of Leicester, 2018. http://hdl.handle.net/2381/42816.
Texto completoShahriari, Mana. "Hierarchical scene categorization : exploiting fused local & global features and outdoor & indoor information". Doctoral thesis, Université Laval, 2020. http://hdl.handle.net/20.500.11794/67947.
Texto completoRecently the problem of image understanding has drawn lots of attention in the literature. Scene categorization can be seen as a subset of image understanding utilized to give context to image understanding also to object recognition in order to ease these tasks. In this thesis, I revisit the classical ideas, model driven approaches, in scene categorization in the light of modern approaches, data driven approaches. The proposed model is greatly inspired by human visual system in understanding and perceiving its environment. In this regard, I argue that adding a level of outdoor – indoor classifier combined with global and local scene features, would reach to the state-of-the-art performance. Thus, such a model requires both of these elements in order to handle wide variety of illumination and viewpoint as well as occluded objects within scenes. The proposed model is a two-stage hierarchical model which features an outdoor – indoor classifier at its initial stage and a contextual scene model at its final stage. I later show that the introduced local features combined with global features produce more stable scene features, hence both are essential components of a scene model. Texture-like characteristics of outdoor scenes act as local feature meanwhile their spatial appearance act as the global feature. In indoor scenes, local features capture detailed information on objects, while global features represent background and the context of the scene. Finally, I have confirmed that the presented model is capable of delivering state-of-the-art performance on 15 – Scene Category, 67 – Indoor Scenes, and SUN 397, three de-facto standard scene datasets
Amara, Mahfoud. "Global sport and local modernity : the case of 'professionalisation' of football in Algeria". Thesis, Loughborough University, 2003. https://dspace.lboro.ac.uk/2134/6967.
Texto completoIllengo, Marco. "Analyse diophantienne et groupes linéaires". Bordeaux 1, 2008. http://www.theses.fr/2008BOR13607.
Texto completoDel, Guercio Gerardo. "Optimal streaks amplification in wakes and vortex shedding control". Phd thesis, Toulouse, INPT, 2014. http://oatao.univ-toulouse.fr/12244/1/Del_Guercio.pdf.
Texto completoThompson, Danniella Mellissa Muheim. "Two-dimensional to three-dimensional global/local finite element analysis of laminated composites in compression". Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/42218.
Texto completoMaster of Science
Maschietto, Michela. "L'enseignement de l'Analyse au lycée : les débuts du jeu global/local dans l'environnement de calculatrices". Paris 7, 2002. http://www.theses.fr/2002PA070029.
Texto completoThis research deals with the teaching and learning of Analysis at a secondary school level. We focus on a dimension of the introduction of Analysis : the articulation between a global point of view and a local point of view with respect to functions (the global / local game). A diagnostic didactical engineering has been designed and carried out to provide an answer to the following question : can the global/local game be a foundation for the introduction of Analysis at a secondary school level ? This engeneering exploits the potentialities offered by the "zoom" controls of the graphic and symbolic calculators in order to construct a local linearity metaphor. Three experiments show that the introduction of the global/local game via the "zoom" controls is possible. They evidence role played by metaphors linked to local linearity in cognitive process of pupils, the need for attaching a mathematical meaning to them and crucial role of teacher has to play
Lima, JoÃo Paulo Eufrazio de. "Blog(ueiros): critÃrios para o estudo de comunidades discursivas globais e locais". Universidade Federal do CearÃ, 2008. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=3099.
Texto completoCoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior
O objetivo da presente pesquisa foi revisar o percurso teÃrico-metodolÃgico para o estudo de comunidades discursivas de Swales de forma que se pudesse dar conta de uma maneira mais apropriada de comunidades complexas como as comunidades online. Nossa suposiÃÃo foi a de que dada a complexidade de grupos como os blogueiros, aqui analisados, havia a necessidade de pesquisÃ-los tanto do ponto de vista de suas caracterÃsticas gerais como em relaÃÃo a possÃveis sub-grupos seus, formados a partir da especificaÃÃo dos objetivos gerais da comunidade blogueira como um todo. Dessa forma, em um primeiro momento desta dissertaÃÃo, procuramos propor uma reformulaÃÃo do conceito de comunidade discursiva, analisando-o numa perspectiva bifurcada que procure dar conta do aspecto macro, global, da comunidade, bem como das especificidades de seus sub-grupos. Para nomearmos esses elementos, utilizamo-nos dos termos comunidade discursiva global e comunidade discursiva local. Num segundo momento, procuramos aplicar essa revisÃo em um grupo de internautas conhecido como blogueiros. Para construÃÃo dos dados utilizamos como mÃtodo a etnometodologia dando Ãnfase Ãs falas dos membros, interpretadas a partir do entendimento do contexto maior de que fazem parte. Os resultados da anÃlise demonstraram que de fato a comunidade global blogueira à formada a partir de mÃltiplas comunidades locais, tendo sido descrita a comunidade local âbar do escritorâ, que possui em relaÃÃo Ãs caracterÃsticas da comunidade global blogueira especificidades tanto em relaÃÃo aos seus objetivos como Ãs suas demais caracterÃsticas, mas que se une Ãs demais comunidades locais blogueiras por partilhar os mesmos objetivos gerais e por estabelecer-se hierarquicamente no todo maior da comunidade global, o que a torna parte da comunidade global blogueira e nÃo uma comunidade discursiva isolada desta.
The aim of this research was to go over the theoretical-methodological way of studying discourse communities by Swales so that it was possible to account in a more suitable way on complex communities like those one find on online environment. Our hypothesis was based on the idea that because of the complexity of groups like the bloggers, for example, it was necessary to investigate them from their general characteristics as much as in relation to likely sub-groups, shaped from the specification of some objectives of the group as a whole. Therefore, in a first moment of this dissertation we tried to propose a review of the discourse community concept subdividing it into two related concepts: global discourse community and local discourse community. In a second moment, we tried to apply that review in an online group called bloggers. To get the necessary data for our analysis we used the ethnomethodology as a method, focusing in the members speeches which was interpreted based on the major context they take part of. The results of analysis indeed evidences that the blogger global discourse community is the result of multiple local discourse communities, one of them, called âbar do escritor (writterÂs bar), we described. This local community, if compared to his global community, presents specificities in relation to his objectives as much other singular characteristics, all of that tributary from the global community, so that it became it part of the blogger global community and not an aside discourse community. (247 words)
Liu, Fan. "Analysis of integrity monitoring for the local area augmentation system using the global navigation satellite system". Ohio University / OhioLINK, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1175192969.
Texto completoMazza, Silvia. "Dynamic behaviour of the railway steel bridge crossing Po river at Ostiglia: global and local analysis". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016.
Buscar texto completoFeng, Wei. "Development of partial hybrid finite elements for 3-D global/local analysis of laminated composite structures". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0002/NQ40308.pdf.
Texto completoNeto, Paulo Mendes de Carvalho. "Fractional differential equations: a novel study of local and global solutions in Banach spaces". Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/55/55135/tde-06062013-145531/.
Texto completoMotivados pelo êxito das aplicações nas equações abstratas em muitas áreas da ciência e da engenharia, e pelas perguntas ainda abertas, neste trabalho estudamos questões relativas aos problemas fracionários abstratos de Cauchy de ordem \'alpha\' \'pertence a\' (0, 1). Buscamos responder algumas perguntas: por exemplo, analisamos a existência de soluções locais fracas do problema e sua possível continuação em um intervalo maximal de existência. O caso da não-linearidade crítica e sua correspondente solução regular fraca também é abordado. Por último, mediante o estabelecimento de alguns resultados gerais de comparação, chegamos a conclusão de que as soluções de uma equação diferencial parcial fracionária, proveniente da teoria de condução de calor, existe globalmente
Bell, Jason. "An analysis of global shape processing using radial frequency contours". University of Western Australia. School of Psychology, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0051.
Texto completoAtisa, George. "Analysis of Global Compliance and Implementation of the Goals of International Environmental Treaties: A Case study of the Convention on Biodiversity (CBD)". FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1562.
Texto completoUzochukwu, Peter. "Local and Global Exigencies within the Ecumenical Movement: Analysis of the Ecumenical Scene in South African Catholicism". Bulletin of Ecumenical Theology, 2008. http://digital.library.duq.edu/u?/bet,3224.
Texto completoAkterskaia, Margarita [Verfasser]. "Global-local progressive failure analysis of composite panels including skin-stringer debonding and intralaminar damage / Margarita Akterskaia". Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2019. http://d-nb.info/1193177200/34.
Texto completoZordan, Marco. "Non-linear analysis of CFS hybrid structural building systems in presence of local and global damage phenomena". Doctoral thesis, Università degli studi di Trento, 2021. http://hdl.handle.net/11572/322426.
Texto completoMONTANARI, Piera. "Local and Global Existence results for the Characteristic Problem for Linear and Semi-linear Wave Equations". Doctoral thesis, Università degli studi di Ferrara, 2010. http://hdl.handle.net/11392/2389334.
Texto completoPouget, Marc. "Geometry of surfaces : from the estimation of local differential quantities to the robust extraction of global differential features". Nice, 2005. http://www.theses.fr/2005NICE4052.
Texto completoThis research work relates to the geometrical aspects of mathematics, computer sciences and applications. This work is motivated by applications such as computer aided design, medical imaging, scientific computations and simulations or also virtual reality and multimedia. This thesis proposes an analysis of some local as well as global topics of the geometry of surfaces. From a local point of view, the problem is the estimation of the normal, the curvatures and quantities of higher order from points sampled on a smooth surface. From a global point of view, we analyze the lines of extreme curvature on surfaces, called ridges. On the one hand, a method for the estimation of local differential quantities with polynomial fitting is studied : the properties of convergence are established and an algorithm is proposed and implemented. On the other hand, algorithms are developed for the computation of the topology on the ridges for surfaces discretized by a mesh or parameterized. Precise conditions of sampling as wel as certified algorithm are given in the case of a surface, an implicit equation of the ridges is derived in the parametric domain and the singularities are analyzed for a polynomial parameterization. The equations are also polynomial, and specific methods of computer algebra are developed to compute the topology on the singular curve of the ridges
Al-Zayat, Zaki y Jakob Bäcklund. "The association between Cosmopolitanism and global brand loyalty : A quantitative study in developing and developed countries". Thesis, Linnéuniversitetet, Institutionen för marknadsföring (MF), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-43783.
Texto completoEngström, Jonatan y Usva Salvi. "Global goals in a local context: Implementation of the Sustainable Development Goals - A case study". Thesis, Malmö universitet, Fakulteten för kultur och samhälle (KS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-21184.
Texto completoKong, Lingqi. "A critical analysis of local and global cultural factors in graphic wayfinding design : a case study of Beijing". Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/23238.
Texto completoNaizer, Cláudia Cristina Baptista Ramos. "Procedimento metodológico para proposta de indicadores de associação espacial global e local através de conceitos variográficos". Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/18/18144/tde-31052018-192234/.
Texto completoAmong the exploratory spatial data analysis tools, there are the indicators of spatial association, which measure the degree of spatial dependence of the analyzed data and can be applied to quantitative data. Other procedure available is the geoestatistics, which is based on the variogram, describing quantitatively and qualitatively the spatial structure of a variable. The aim of this thesis is to use the concept of the variogram to develop a global indicator of spatial association (SIVAR-G) and a local indicator of spatial association (SIVAR-L). Two data bases were used: binary data of travel mode choice of a hypothetical city and mean of automobile trips by household to a region of São Paulo\'s center (Mobility Survey, 2012). In both cases, the global indicator, for different neighborhoods, was calculated based on standardized values, derived from the experimental and theoretical variogram. Then, a pseudo-significance test was applied to evaluate the significance of the previously proposed indicator. The results of the proposed indicator were compared to Moran\'s I, calculated with the same parameters. For the local indicator, it was made a similar procedure, however the calculation was punctual. For each observation of the database, it was calculated experimental variogram and adjusted a theoretical variogram for a omnidirectional analysis. A hypothesis test similar to the one applied in the global indicator was developed and applied. Therefore, it was obtained local indicators point by point. It was concluded that the indicator SIVAR-G has a satisfactory performance for spatial association of binary and continuous data, with sensibility for anisotropy cases. The SIVAR-L indicator is able to identify spatial association pockets and outliers. The local indicator is suitable for continuous and binary data. The developed indicators allow the modeling of theoretical global and local variograms, providing more details of the spatial structure of the data. The SIVAR indicators are based on spatial dissimilarity, while the Moran and LISA index are based on spatial similarity.
Diermeier, Sarah Daniela Helena [Verfasser] y Gernot [Akademischer Betreuer] Längst. "Local and global analysis of the structure-function relation in chromatin / Sarah Daniela Helena Diermeier. Betreuer: Gernot Längst". Regensburg : Universitätsbibliothek Regensburg, 2013. http://d-nb.info/104872834X/34.
Texto completoCarson, Hugh Alexander. "A priori analysis of global and local output error estimates for CG, DG and HDG finite element discretizations". Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/105608.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references (pages 103-105).
In this thesis, a priori convergence estimates are developed for outputs, output error estimates, and localizations of output error estimates for Galerkin finite element methods. Specifically, Continuous Galerkin (CG), Discontinuous Galerkin (DG), and Hybridized DG (HDG) methods are analyzed for the Poisson problem. A mixed formulation for DG output error estimation is proposed with improved convergence rates relative to the common approach utilizing statically condensed, p-dependent lifting operators. The HDG output error estimates are new and include the impact of stabilization. Comparisons to numerical results demonstrate (1) the sharpness of the estimates and (2) that the HDG estimates are approximately an order of magnitude more accurate than CG and DG.
by Hugh Alexander Carson.
S.M.
Romanel, Celso. "A global-local approach for dynamic soil-structure interaction analysis of deeply embedded structures in a layered medium". Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184762.
Texto completoSaraiva, Luis Edson. "Simulação numerica para analise local e global do desempenho de tubos de calor rotativos com estrutura porosa". [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263792.
Texto completoTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica
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Resumo: Neste trabalho o funcionamento de um tubo de calor com rotação em tomo de seu eixo axial, internamente cilíndrico e provido de estrutura porosa para o retomo do líquido, é simulado numericamente. As equações governantes para os escoamentos do líquido e do vapor são resolvidas simultaneamente através do algoritmo SIMPLE. Os resultados são apresentados em termos de perfis de velocidades, temperatura e pressão e, também, em termos de números adimensionais relevantes para o estudo do desempenho deste tipo de tubo de calor. Uma investigação a respeito de possíveis limites de funcionamento é também realizada
Abstract: This work presents a numerical simulation of the operation of a non-tapered (intemally cylindrical) axially rotating heat pipe with porous medium for the liquid retum. The SIMPLE algorithm is used to simultaneously solve the goveming equations for vapor and liquid flows. Results are presented in terms of velocities, temperature and pressure profiles and, also, in terms of appropriated dimensionless numbers. Investigations about possible working limits of this kind of rotating heat pipes are also performed.
Doutorado
Trmica e Fluidos
Doutor em Engenharia Mecânica
Nordlund, Hanna y Felicia Sarling. "Local Action for Global Change : An Analysis of the Åland Islands’ Energy and Climate Strategy in the Polycentric System". Thesis, Uppsala universitet, Statsvetenskapliga institutionen, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-432305.
Texto completoKzam, Aref Kalilo Lima. "Análise da instabilidade estrutural global e local pelo MEF posicional com determinação de pontos críticos na trajetória de equilíbrio". Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-02032016-104333/.
Texto completoThis thesis presents the positional finite element method in a total Lagrangian framework dedicated to instability analysis of the three-dimensional structures. Three types of finite elements are implemented and tested, namely: truss, shells and frames. The instability analysis for truss element is computed using equilibrium path in large displacements. The critical points are computed using Newton-Raphson and arc-length algorithm. This analysis is particularly important in the definition of multi-stable and large displacements structures widely used in mechanical and aerospace industry. For shell and frame geometrically non-linear finite elements, the instability phenomenon is studied from the eigenvalues and eigenvectors analysis for small levels of loads and displacements. It is also evaluate the equilibrium trajectories for large displacements, considering small imperfections in the geometry of the structure. When using the shell elements to model the frames structures local failure modes associated with changing of the cross section shape arise. In order to consider the mobility in frame element new improvements are propose in the kinematic. These improvements are treated as generalized nodal parameters and are associated with the intensity of the cross-sectional change, including warping. The originally methodology of decomposition of the Hessian matrix are described and used for calculating eigenvalues and eigenvectors of the stiffness matrix. This methodology has additional importance because it is used in the preparation and evaluation of load parameter in kinematic alternatives of the positional formulation. The Lanczos algorithm is used to determining the loads and failure modes, through calls to ARPACK library for calculating eigenvalues and eigenvectors. The algorithms are tested on the examples modeled by proposed finite elements. Near the critical point takes place the separation of the Hessian matrix for possible identification of the failure modes. In addition to global failure methods, local and distortion failure are captured by this methodology. The balance of the mechanical system is guaranteed by the stationarity of the total potential energy principle. In the analysis using shells and frames elements the solution of the nonlinear system is calculated using the iterative incremental Newton-Raphson method. The improvements suggested in this research are coupled to the computer code used by computational mechanics group of the structures engineering department, where several features are available like dynamic and plasticity analysis. Selected examples are presented throughout the thesis to demonstrate the efficiency of the proposed elements and applicability of the technique. Finally, comparisons are carried out with already established solving strategy such as the finite strip methods and the generalized beam theory. The results justified the original contributions of this research to study of unstable structures.
Simpson, Robert. "Enrichment of the boundary element method through the partition of unity method for fracture analysis using local and global formulations". Thesis, Durham University, 2010. http://etheses.dur.ac.uk/305/.
Texto completoHolmner, Marlene Amanda. "A critical analysis of information and knowledge societies with specific reference to the interaction between local and global knowledge systems". Thesis, Pretoria : [s.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-11102008-143543/.
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