Dissertations / Theses on the topic 'Design criteria'
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Mathisen, Sindre. "Design criteria for offshore feed barges." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for marin teknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18480.
Full textDarwish, Tarek Omar. "Design criteria for the Middle East." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61914.
Full textSavarese, Paul Tenzing. "New design comparison criteria in Taguchi's robust parameter design." Diss., This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-06062008-171200/.
Full textO'Donnell, Michael. "Lossy compression of speech using perceptual criteria." Thesis, University of Central Lancashire, 1998. http://clok.uclan.ac.uk/20360/.
Full textAnil, Kivanc Ali. "Multi-criteria analysis in Naval Ship Design /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Mar%5FAnil.pdf.
Full textThesis Advisor(s): Fotis Papoulias, Roman B. Statnikov. Includes bibliographical references (p. 241). Also available online.
Tuken, Ahmet. "Quantifying Seismic Design Criteria For Concrete Buildings." Phd thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/12604907/index.pdf.
Full textBorland Delphi&rdquo
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Sirisalee, Pasu. "Multi-criteria material selection in engineering design." Thesis, University of Cambridge, 2005. https://www.repository.cam.ac.uk/handle/1810/251967.
Full textTreitz, Martin. "Production process design using multi-criteria analysis." Karlsruhe : Univ.-Verl. Karlsruhe, 2006. http://www.uvka.de/univerlag/volltexte/2006/178/.
Full textQi, Bao-Min. "Multiple criteria decision support for design optimisation." Thesis, University of Bath, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393855.
Full textAnil, Kivanc A. "Multi-criteria analysis in naval ship design." Thesis, Monterey California. Naval Postgraduate School, 2005. http://hdl.handle.net/10945/2325.
Full textNumerous optimization problems involve systems with multiple and often contradictory criteria. Such contradictory criteria have been an issue for marine/naval engineering design studies for many years. This problem becomes more important when one considers novel ship types with very limited or no operational record. A number of approaches have been proposed to overcome these multiple criteria design optimization problems. This Thesis follows the Parameter Space Investigation (PSI) technique to address these problems. The PSI method is implemented with a software package called MOVI (Multi-criteria Optimization and Vector Identification). Two marine/naval engineering design optimization models were investigated using the PSI technique along with the MOVI software. The first example was a bulk carrier design model which was previously studied with other optimization methods. This model, which was selected due to its relatively small dimensionality and the availability of existing studies, was utilized in order to demonstrate and validate the features of the proposed approach. A more realistic example was based on the "MIT Functional Ship Design Synthesis Model" with a greater number of parameters, criteria, and functional constraints. A series of optimization studies conducted for this model demonstrated that the proposed approach can be implemented in a naval ship design environment and can lead to a large design parameter space exploration with minimum computational effort.
Lieutenant Junior Grade, Turkish Navy
Kudikala, Rajesh. "System architecture design using multi-criteria optimization." Thesis, University of Sheffield, 2015. http://etheses.whiterose.ac.uk/9703/.
Full textDavis, Rebekah M. "Investigating how designers collaborate and respond to sustainable design criteria." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/82164/30/Rebekah_Davis_Thesis.pdf.
Full textSöderqvist, Johan. "Design of concrete pavements : design criteria for plain and lean concrete." Licentiate thesis, KTH, Civil and Architectural Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4206.
Full textNew road infrastructure projects are important and constitute of large investments that have to serve the society for a long time. The investments have to be durable at the lowest life cycle cost and the pavements have to sustain loads from increasing traffic intensity and heavy traffic loads. In Sweden less than 1 ‰ of the national road network consists of concrete pavements. In parts of Europe and in the U.S., on the other hand, concrete roads are used to a large extent for highways as well as rural roads. To encourage the competition between different road materials in Sweden, the tools for designing robust concrete pavements have to be brought forward. In order to emphasize plain concrete pavements as an alternative in road construction, the design must also be competitive.
The current Swedish design method for concrete pavements is straightforward but offers no flexibility when designing roads with, for instance higher traffic loads. The method calculates concrete thicknesses on the conservative side since only a limited number of parameters are treated. Modern methods that take into account many more parameters in the design are being developed internationally. For a new Swedish design method, these parameters have to be established for actual conditions in Sweden. Also, the design has to be flexible and meet the demands from contractors and clients for a wider use.
The aim of this project is to develop a new design method for plain concrete pavements that is more flexible than today. A new design method is also intended for the Swedish Road Administrations’ (SRA) computer based public design guide, PMS Objekt.
Information for a new design method has been assembled mainly by investigating two newly developed design methods, VENCON2.0 in the Netherlands, and the Mechanistic-Empirical Pavement Design Guide (MEPDG) in the USA. Comparative calculations between the Swedish design method and the MEPDG are presented. The comparison is made on the level of input parameters and highlights the advantageous aspects of a semi-mechanistic design procedure where the functional properties of a concrete pavement are calculated incrementally over the design period.
Plain and lean concrete, separately, but also the in composite beams, have been studied in flexural fatigue testing. The results show that Tepfers’ fatigue criterion is valid for both plain and lean concrete when subjected to flexural fatigue loading. The results also show that the fatigue strength of composite beams of plain and lean concrete is mainly dependent on the strength of the lean concrete but that Tepfers’ fatigue criterion is applicable. The bond between plain in lean concrete is found to be strong and fatigue resistant, making the composite section able to accommodate higher stresses. The bond nevertheless contributes to the risk for reflection cracks in the plain concrete wear layer and a recommendation to focus on stresses in the bottom of the lean concrete is formulated. Also, well distributed expansion joints in the lean concrete are necessary.
A new project for measuring temperature gradients for use in concrete pavement design is also presented. This is done with means of concrete prisms placed in the pavement and are done in order to establish actual temperature gradients for various locations in Sweden. Also, the nonlinear gradients that act in the pavement as well as the negative temperature gradients will be analysed for the use in the design.
Finally, the thesis outlines a new design method for Swedish conditions. The method is possible to develop gradually and is based on FE-analysis for fast computations. In the design, stresses from traffic and temperature loads are calculated simultaneously in a number of critical locations in the concrete slab. The method will also make it possible to alter design features as slab lengths and widths, with various connections between the slabs.
Söderqvist, Johan. "Design of concrete pavements : design criteria for plain and lean concrete /." Stockholm : Division of Structural Design and Bridges, Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4206.
Full textWeiss, Daniel. "Optimisation in aircraft pre-design with sizing-criteria." Zürich : ETH, Eidgenössische Technische Hochschule Zürich, Centre of Structure Technologies, 2006. http://e-collection.ethbib.ethz.ch/show?type=dipl&nr=245.
Full textShaw, John Michael. "Novel design criteria for direct coal liquefaction reactors." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25971.
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Mining Engineering, Keevil Institute of
Graduate
McGarva, John Robert. "The design of linkages to meet performance criteria." Thesis, Brunel University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336170.
Full textHodgett, Richard Edgar. "Multi-criteria decision-making in whole process design." Thesis, University of Newcastle Upon Tyne, 2013. http://hdl.handle.net/10443/1838.
Full textTrenner, Lesley. "Criteria for user-friendliness in retrieval software design." Thesis, University College London (University of London), 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283822.
Full textCortes, Quiroz C. A. "Design, analysis and multi-criteria optimization of micromixers." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1357309/.
Full textNesbitt, Rebecca J. "Establishing Design Criteria for Anterior Cruciate Ligament Reconstruction." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1428048607.
Full textWaheed, Syed Imran 1962. "Design criteria for low head bubbler irrigation systems." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/291398.
Full textBouzembrak, Yamine. "Multi-criteria Supply Chain Network Design under uncertainty." Thesis, Artois, 2011. http://www.theses.fr/2011ARTO0211/document.
Full textThis thesis contributes to the debate on how uncertainty and concepts of sustainable development can be put into modern supply chain network and focuses on issues associated with the design of multi-criteria supply chain network under uncertainty. First, we study the literature review , which is a review of the current state of the art of Supply Chain Network Design approaches and resolution methods. Second, we propose a new methodology for multi-criteria Supply Chain Network Design (SCND) as well as its application to real Supply Chain Network (SCN), in order to satisfy the customers demand and respect the environmental, social, legislative, and economical requirements. The methodology consists of two different steps. In the first step, we use Geographic Information System (GIS) and Analytic Hierarchy Process (AHP) to buildthe model. Then, in the second step, we establish the optimal supply chain network using Mixed Integer Linear Programming model (MILP). Third, we extend the MILP to a multi-objective optimization model that captures a compromisebetween the total cost and the environment influence. We use Goal Programming approach seeking to reach the goals placed by Decision Maker. After that, we develop a novel heuristic solution method based on decomposition technique, to solve large scale supply chain network design problems that we failed to solve using exact methods. The heuristic method is tested on real case instances and numerical comparisons show that our heuristic yield high quality solutions in very limited CPU time. Finally, again, we extend the MILP model presented before where we assume that the costumer demands are uncertain. We use two-stage stochastic programming approach to model the supply chain network under demand uncertainty. Then, we address uncertainty in all SC parameters: opening costs, production costs, storage costs and customers demands. We use possibilistic linear programming approach to model the problem and we validate both approaches in a large application case
Mahmoud, Hanafy. "Synchronous reluctance machines: eccentricity analysis and design criteria." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3424571.
Full textNegli ultimi vent'anni l'interesse per le macchine sincrone a riluttanza è notevolmente cresciuto. Lo sviluppo e la ricerca dedicata a questi motori, supportata dai diversi vantaggi che presentano rispetto ad altri tipi di macchine, ha permesso a questa tipologia di macchina di guadagnarsi uno quota di mercato in diverse applicazioni industriali. I motori a riluttanza offrono una piu alta densità di coppia rispetto ai motori asincroni. Tuttavia, se confrontati con i motori sincroni a magneti permanenti, essi presentano una densità di coppia ed una efficenza minori. Tale decremento delle prestazioni rispetto alle macchine a magneti permanenti è tuttavia compensato dalla complessiva riduzione del costo di costruzione del rotore. In aggiunta, essi presentano una struttura rotorica piu robusta delle macchine sincrone a magneti superficiali e consentono di ottenere un piu ampio range di funzionamento a potenza costante. I principali svantaggi delle macchine sincrone a riluttanza sono il basso fattore di potenza e le elevate oscillazioni di coppia. Il primo svantaggio, correlato alla assenza di alcun sistema di eccitazione sul rotore, viene normalmente mitigato attraverso l'introduzione di magneti permanenti all'interno delle barriere di flusso. Questo tipo di configurazione prende il nome di motore a riluttanza assistita da magnete permanente. Il secondo svantaggio, ossia l'eccessivo torque ripple, è dovuto all'elevato contenuto armonico della forza magnetomotrice che interagisce con l'anisotropia rotorica. Diversi approcci sono stati proposti in letteratura allo scopo di ridurre tali oscillazioni, tra i quali: (a) lo skewing del rotore, (b) barriere rotoriche geometricamente asimmetriche rispetto all'asse interpolare, (c) barriere rotoriche asimmetriche rispetto all'asse polare, (d) equa distribuzione delle barriere lungo la periferia del rotore, e (e) l'ottimizzazione della intera geometria delle barriere. Il grande interesse suscitato negli ultimi anni è dovuto principalmente a due motivi: (i) l'aumento di costo delle terre rare, utilizzate in magneti ad elevato contenuto energetico (NdFeB e SmCo); (ii) la crescente richiesta di macchine ad alta efficienza. Pertanto, il motore a riluttanza e il motore a riluttanza assistito da magneti permanenti stanno diventando concorrenti di entrambe le macchine a magneti permanenti e macchine a asincrone in molte applicazioni. Un altro vantaggio intrinseco delle macchine sincrone a riluttanza è che non inducono tensione a vuoto, quando il rotore è fermo, conseguentemente le correnti di corto circuito e coppie frenanti che si possono creare a causa dei guasti elettrici, sono trascurabili. Per quanto concerne l'aspetto controllistico è doveroso sottolineare il crescente interesse verso le le macchine sicrone a riluttanza. Tale interesse è sostanzialmente giustificato dalla naturale propensione della stessa macchina ad essere controllata senza alcun sensore di velocità. Sebbene vi sia un grande interesse per questo tipo di macchine, ci sono pochi lavori sulla progettazione analitica del loro rotore, ad esempio su come selezionare gli angoli di fine barriera, il dimensionamento dei ponticelli di ferro ed dettagli sulla progettazione robusta nei confronti della smagnetizzazione dei magneti permanenti. Nella maggior parte dei casi la macchina riluttanza viene analizzata mediante analisi agli elementi finiti. I risultati sono precisi e utili per realizzare una geometria specifica, ma si riferiscono ad una particolare soluzione perdendo generalità. In altre parole, è difficile trovare regole generali per progettare macchine a riluttanza. Per colmare questa lacuna, questa tesi si propone di fornire un approccio analitico utile alla determinazione di una geometria preliminare del motore, come punto di partenza per un'ottimizzazione successiva. La progettazione accurata dei ponticelli di ferro del rotore e gli effetti sulla forza elettromagnetica che agisce sul rotore con diversi gradi di eccentricità sono considerati. Questo lavoro di tesi è suddiviso in quattro parti principali. Un modello analitico basato sul circuito magnetico equivalente a parametri concentrati del motore a riluttanza viene presentato e discusso nella prima parte. Questo modello studia il rendimento magnetico del motore sincrono a riluttanza concentrica. Lo stesso modello analitico è utilizzato per lo studio di differenti casi di eccentricità ed il loro impatto sulle prestazioni del motore a riluttanza. Motori a riluttanza con diversi tipi di avvolgimenti statici e diverse geometrie di rotore, simmetriche ed asimmetriche, vengono considerate. Lo stesso metodo viene applicato a motori a riluttanza con magneti permanenti e confrontata con il motore a riluttanza eccentrico. I risultati prodotti dai modelli utilizzati vensono confrontati tramie simulazioni agli elementi finiti. Inoltre, un confronto analitico tra il motore a riluttanza e motore a magneti permanenti superficiali viene condotta in diversi casi di eccentricità. La seconda parte si propone di stimare in modo più accurato le forze elettromagnetiche agenti sul rotore, considerando l'effetto delle cave di statore e la caduta di tensione magnetica dovuta alla effettiva curva B-H del lamierino ferromagnetico. Il modello analitico è indicato per macchine con e senza presenza di eccentricità. Infine, misure sperimentali vengono condotte per validare la bonta' dei modelli analitici ed agli elementi finiti. Nella terza parte, si propone un approccio analitico per la progettazione del motore a riluttanza assistito da magneti permanenti. La larghezza e lo spessore dei magneti sono scelti in modo da realizzare la densità di flusso a vuoto al trafetto desiderata e resistere alla smagnetizzazione che si possono presentare in condizioni di sovraccarico. Infine, un rapido approccio analitico e multi-obiettivo è proposto per la progettazione preliminare di motori a riluttanza e motori a riluttanza assistiti. Nella quarta parte è stata sviluppata un'interfaccia utente grafica per l'analisi del motore a riluttanza. Questa applicazione stima i potenziali scalari magnetici di statore e rotore, la densità di flusso al traferro, la coppia elettromagnetica, la forza magnetica che agisce sul rotore. I parametri di ingresso di questa applicazione sono: - dati geometrici dello statore e del rotore, - carico elettrico (kA / m), e la sua fase (grado elettrico), - il tipo di geometria del rotore, ad esempio, simmetrico o asimmetrico (Macaone), - Numero di barriere di flusso per polo del rotore, - il tipo di eccentricità o nessuna eccentricità, per esempio, il caso con rotore concentrico, - il valore di eccentricità. Perciò, l'utente può usare l'applicazione per stimare le prestazioni della macchina.
Wheeler, Brian James, and n/a. "Criteria for the Design and Evaluation of Technology Education Facilities: A Study Involving the Development and Trial of Appropriate Design Criteria." Griffith University. Centre for Learning Research, 1997. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050906.132938.
Full textWheeler, Brian James. "Criteria for the Design and Evaluation of Technology Education Facilities: A Study Involving the Development and Trial of Appropriate Design Criteria." Thesis, Griffith University, 1997. http://hdl.handle.net/10072/366559.
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Master of Philosophy (MPhil)
Center for Learning Research
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Reintjes, Eric. "COTS selection criteria in government programs." Master's thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-01262010-020208/.
Full textHutton, David. "Data modelling techniques to improve student's admission criteria." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/11036.
Full textTodd, David. "Multiple criteria genetic algorithms in engineering design and operation." Thesis, University of Newcastle Upon Tyne, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362410.
Full textBalikcioglu, Gizem. "Urban Convention Hotel Design Criteria And A Design Proposal For Ankara Case." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605488/index.pdf.
Full textioglu M.Arch.
Department of Architecture Supervisor: Part-time Inst. ilhan Kural September, 2004 154 Pages The aim of this study is to define the design criteria for urban convention hotels based on national and international market trends. The second aim is to design an efficient, flexible, and valid convention hotel program for Ankara case based on this research. The existing hotel structures in Ankara are assumed to be insufficient to meet the convention requirements of international and national market needs. In the study, the space requirements of different markets and their program matrix reflected on major convention hotels in different continents are analyzed. The basic design criteria in terms of architectural space requirements and functional needs of the venues are defined. The economical, social and cultural impacts of the convention hotels in urban scale are listed in order to define a sustainable and efficient program in city scale. A feasibility study is done based on the space requirements, user groups and use frequencies of the convention venues in capital city. The second assumption of this study was that Ankara needed a 500 room convention hotel in order to accommodate the existing and future tourism stock of the city. A program based on the requirements of prior research is prepared and a design proposal is given for a site located in Ankara.
NAPOLITANO, Assunta. "Trigeneration systems assisted by solar energy: design criteria and off design simulations." Doctoral thesis, Università degli studi di Bergamo, 2009. http://hdl.handle.net/10446/85.
Full textJenkins, Kerry Scott. "Gaining Attention and Encouraging a Response: My Criteria for Successful Graphic Design." Digital Commons @ East Tennessee State University, 2007. https://dc.etsu.edu/etd/2068.
Full textChomtee, Boonorm. "Comparison of design optimality criteria of reduced models for response surface designs in a spherical design region." Diss., Montana State University, 2003. http://etd.lib.montana.edu/etd/2003/chomtee/ChomteeB_03.pdf.
Full textArslan, Fatih Seçkin Yavuz. "User-centered design criteria in automobile design with a case study of automobile dashboard design/." [s.n.]: [s.l.], 2006. http://library.iyte.edu.tr/tezler/master/endustriurunleritasarimi/T000384.pdf.
Full textSarmiento, Comesías Marta. "Structural behaviour and design criteria of spatial arch bridges." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/327592.
Full textDefinimos como Puentes Arco Espaciales (PARES) todo puente arco en el que, por su configuración geométrica y estructural, las cargas gravitatorias generan flexiones y cortantes no contenidos en el plano del arco. Además, el propio arco puede no estar contenido en un plano. Se ha llevado a cabo una amplia recopilación de realizaciones de este tipo de puentes. se han desarrollado varios benchmarks para asegurar la validez de los métodos de análisis empleados en la presente investigación. Se ha realizado un amplio estudio de los Puentes Arco de Tablero Inferior con Curvatura Impuesta planos y no planos. En este tipo de puentes arco espaciales el eje del arco y del tablero están contenidos en el mismo cilindro vertical. El objetivo del estudio es proponer el diseño más apropiado para controlar la respuesta fuera del plano del arco. Con el fin de entender el comportamiento de estos arcos, se han desarrollado y analizado diferentes modelos de barras en 3D marco con un software comercial. La definición del arco, de la curvatura del tablero y de la curvatura del arco en planta, la flecha horizontal del arco ceder y la rigidez de las secciones transversales del arco, del tablero y de las péndolas, así como el área de la sección transversal del arco y distintos tipos de conexión péndolas/ tablero y péndolas/arco, se han estudiado como variables bajo tanto carga vertical simétrica como asimétrica en tablero. Se ha considerado el uso tanto de péndolas flexibles como rígidas. Se han estudiado diferentes geometrías y condiciones de contorno en los estribos del tablero para PARES de tablero superior bajo carga vertical y variación de temperatura. El propósito del estudio es entender el comportamiento estructural de distintas geometrías de este tipo puentes y establecer las condiciones de contorno más convenientes en estribos de tablero para cada caso. Los puentes con un arco plano vertical con tablero superior curvo son PARES con un comportamiento estructural muy característico e interesantes posibilidades estructurales y estéticas. Se ha realizado un amplio análisis paramétrico con el fin de establecer valores eficientes para diferentes parámetros en este tipo de puentes de acuerdo con distintos criterios. El objetivo es minimizar la cantidad total de materiales estructurales empleados. Se da un rango adecuado de los valores de diferentes parámetros (excentricidad arco/ tablero, flecha del arco, distancia vertical arco/tablero, inclinación de pilas y la sección transversal de los diferentes elementos) y se establece qué parámetros son fundamentales para el comportamiento de estos puentes. Se explica la influencia de la variación de los distintos parámetros estudiados en la respuesta estructural. La estabilidad de los PARES con tablero se estudia y compara con la de los puentes en arco planos verticales con tablero recto. Se ha llevado a cabo un análisis no lineal geométrico con y sin imperfecciones para diferentes modelos de este tipo puentes. La sensibilidad a las imperfecciones también ha sido estudiada, teniendo en cuenta las imperfecciones estipuladas en los Eurocódigos, basados en el comportamiento de los puentes en arco planos verticales con tablero recto. La mayoría de los PARES son pasarelas. Por lo tanto, el comportamiento dinámico de este tipo puente es un aspecto importante a considerar. Así pues, se ha llevado a cabo un análisis dinámico para un ejemplo PARES con el tablero superior curvo
Dugas, Michael Robert. "Optimal system design relative to reliability/cost dependent criteria /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2005. http://uclibs.org/PID/11984.
Full textLefki, Lkhider. "Critical evaluation of seismic design criteria for steel buildings." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63980.
Full textPiciacchia, Luciano 1959. "Field and laboratory studies of mine backfill design criteria." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74360.
Full textA backfill classification system is proposed based upon size distribution. A series of design equations are presented which relate to this system. These equations represent the means by which backfill geomechanical behaviour can be related to physical properties. This is considered to be fundamental to an effective backfill design procedure. Derivation of the equations has been based upon analysis of data from a program of laboratory and in situ testing conducted in ten operating Canadian mines by the author, together with other published work.
The in situ testing required the development of a pressuremeter testing procedure novel to underground mining. The theoretical basis for the employment of pressuremeter data has been examined and behavioral equations have been developed to describe the deformation and stress history during a backfill material test. In addition two new equations have been developed for the analysis of pressuremeter data. The in situ data collected has been correlated with laboratory derived geomechanical data for the same backfill materials.
The geomechanical properties associated with the proposed backfill classifications have also been related to their influence on backfill behaviour in three mine backfill roles: free standing stability during pillar recovery in bulk mining methods; dynamic interaction with stope walls in rockburst prone ground; and ability to reduce stresses in highly stressed rock masses. This work has been based on new and established modelling methods and aims to provide insight into the effectiveness of the backfill classes in these roles of growing practical significance.
Iong, Sin I., and 翁倩怡. "Design and development criteria of a public transit informationsystem." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B48185590.
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Transport Policy and Planning
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Master of Arts in Transport Policy and Planning
Ye, Quanhuan. "A ship design method involving uncertainties and multiple criteria." Thesis, University of Strathclyde, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263438.
Full textFABRIS, LORENZO. "Novel readout design criteria for SiPM-based radiation detectors." Doctoral thesis, Università degli studi di Bergamo, 2016. http://hdl.handle.net/10446/52227.
Full textCamnerin, Victor, and Daniel Emilsson. "Typographic criteria for editorial redesign." Thesis, Linköpings universitet, Medie- och Informationsteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-121673.
Full textAndresen, Inger. "A Multi-Criteria Decision-Making Method for Solar Building Design." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Architecture and Fine Art, 2000. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-451.
Full textThe background for this thesis is based on the assumption that the success of solar buildings relies on the assessment and integration of all the different design objectives, called criteria. These criteria are often quite complicated to deal with (e.g. environmental loading) and may be conflicting. The different design issues and the many different available energy technologies call for different areas of expertise to be involved in the design of solar buildings. This makes it difficult to evaluate the overall “goodness” of a proposed design solution. Also, the communication between design professionals and the client becomes complicated.
The goal of this work was therefore to produce a means for the design team and clients to be able to better understand and handle holistic solar design. A first hypothesis was that a structured approach for evaluating design alternatives might be a means to this end.
In order to specify an approach that would fit into the building design process, an analysis of design process theory and building design practice was carried out (chapter 2). Also, special solar design issues were investigated. This analysis resulted in the following conclusions:
· Most building design processes start out with no clearly defined goals or criteria of success. The design criteria are refined and discovered through evaluation and feedback on alternative design proposals.
· Design involves a lot of subjective value judgements, and decisions are often based on experience, “gut feeling”, or intuition. Design options are evaluated based on quantitative and qualitative performance measures. There exists no objective optimal design solution.
· It is possible to identify some main activities that are common to most design processes. These are categorized into 4 main tasks: problem formulation, generation of alternatives, performance prediction and evaluation. The activities are very much overlapping and dependent on each other.
· Decision-making in design happens mainly through evaluation of proposed design solutions.
Sandalidi, Elisavet. "Building energy pre-design based on multi-criteria decision analysis." Thesis, Högskolan i Gävle, Energisystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-25368.
Full textBrestovac, Goran, and Robi Grgurina. "Applying Multi-Criteria Decision Analysis Methods in Embedded Systems Design." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-22013.
Full textTreitz, Martin [Verfasser]. "Production process design using multi-criteria analysis / von Martin Treitz." Karlsruhe : Univ.-Verl. Karlsruhe, 2006. http://d-nb.info/983197954/34.
Full textLu, Feng. "Seismic response of concentrically braced frames meeting Canadian design criteria." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59899.
Full textA preliminary statistical study is attempted on the structural response to the ground motions.
The design procedures proposed by the new design codes are evaluated. Some provisions of Clause 27 of the CAN/CSA-S16.1-M89 have been found inadequate in the light of the analysis described. Some revised procedures are proposed and then evaluated against those currently in use. The results are shown to provide improved designs.
Honjo, Yusuke. "Dam filters : physical behavior, probability of malfunctioning, and design criteria." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/38552.
Full textMICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING.
Bibliography: leaves 373-379.
by Yusuke Honjo.
Ph.D.
Gupta, Rikin. "Incorporating Flight Dynamics and Control Criteria in Aircraft Design Optimization." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/104967.
Full textDoctor of Philosophy
Over the last two decades, several attempts have been made towards multidisciplinary design analysis and optimization (MDAO) of flexible wings by integrating flight control laws in the wing design so that the aircraft will have sufficient control authority across different flying conditions. However, most of the studies have been restricted to the wing design only using a predefined control architecture approach, which would be very difficult to implement at the conceptual design stage. There is a need for an approach that would be faster and more practical. Including control surface and control law designs at the conceptual design stage is becoming increasingly important, due to the complexity of both the aircraft control laws and that of the actuation and sensing, and the enhanced wing flexibility of future transport aircraft. A key question that arises is, can one design an aircraft that is more controllable and observable? So, in this thesis, a more fundamental approach, in which the internal structural layout of the aircraft is optimized to design an aircraft that is more controllable, is presented and implemented. The approach uses the fundamentals of linear systems theory for maximizing the controllability and observability of the aircraft using an MDAO framework.
Griffin, Kenneth R. "Design Criteria for Wireless Mesh Communications in Underground Coal Mines." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/76759.
Full textMaster of Science