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Dissertations / Theses on the topic 'Shape Variable'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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1

Sturgill, Derek Joseph. "Variable shape parameter strategies in radial basis funchtion methods." [Huntington, WV : Marshall University Libraries], 2009. http://www.marshall.edu/etd/descript.asp?ref=950.

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2

Bush, Michael T. (Michael Thomas). "Enhanced comfort of seating systems through variable shape and compliance." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/41800.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.<br>Includes bibliographical references (leaves 73-74).<br>A new type of seat cushion has been developed. The present use of the cushion is in wheelchair seating, but it may ultimately have application to general seating, particularly in situations where comfort is a significant consideration. The cushion is intended to optimally distribute the interface pressure on the seat of a wheelchair user, as well as to provide an opportunity for active pressure management. The principal goal in developing this c

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3

Li, Bingjue. "Variable-Geometry Extrusion Die Synthesis and Morphometric Analysis Via Planar, Shape-Changing Rigid-Body Mechanisms." University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1497529085483053.

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4

Bhadane-Deshpande, Minal. "Towards a Shape Memory Alloy Based Variable Stiffness Ankle Foot Orthosis." University of Toledo / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1333750098.

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5

Salerno, Robert James. "Shape control of high degree-of-freedom Variable Geometry Truss manipulators." Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/50089.

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Variable Geometry Trusses (VGT’s) can be used as the fundamental building blocks in constructing long-chain, high degree-of-freedom manipulators. This thesis focuses on the kinematics of two such manipulators. It also illustrates how the concept of shape control can be applied to simplify the computational aspects of controlling these devices. To serve as examples, algorithms are developed for the control of both a thirty degree of freedom planar manipulator and a sixty degree-of-freedom spatial manipulator. Based on a review of the literature, this work appears to be the first attempt to deve

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6

Morris, Asa M. "Generic parallel aerodynamic shape optimisation using efficeint variable fidelity domain element parameterisation." Thesis, University of Bristol, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500430.

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7

Wischt, Rachel Jeanne. "Variable Stiffness and Active Damping Technique for Turbomachinery using Shape Memory Alloys." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1447425764.

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8

Awrejcewicz, Jan, Lidiya Kurpa, and T. Shmatko. "Nonlinear vibration of orthotropic shallow shells of the complex shape with variable thickness." Thesis, Wydawnictwo Politechniki Łódzkiej, 2011. http://repository.kpi.kharkov.ua/handle/KhPI-Press/37115.

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Early R-functions theory [1] combined with variational methods have been applied to linear [2] and nonlinear vibration problems [3,4] of the shallow shells theory of the constant thickness. In the present study, we first apply R-functions theory in order to investigate the geometrically nonlinear vibrations of orthotropic shallow shells of complex shape with variable thickness. Mathematical formulation is made in the framework of classical geometrically nonlinear theory of thin shallow shells. For a discretization of the original system in time, approximation of unknown functions is carried ou

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9

Mikol, Collin Everett. "Design, Modeling, and Experimental Testing of a Variable Stiffness Structure for Shape Morphing." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523454926569658.

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10

Vesel, Richard Jr. "Optimization of a wind turbine rotor with variable airfoil shape via a genetic algorithm." Connect to resource, 2009. http://hdl.handle.net/1811/44504.

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11

Narayanan, Pavanesh. "Sensor-less Control of Shape Memory Alloy Using Artificial Neural Network and Variable Structure Controller." University of Toledo / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1416501021.

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12

Giaier, Kevin Stanton. "Designing Shape Changing Mechanisms for Planar and Spatial Applications." University of Dayton / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1418043619.

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13

Bertram, Anna Verfasser], and Ralf [Akademischer Betreuer] [Zimmermann. "Data-driven variable-fidelity reduced order modeling for efficient vehicle shape optimization / Anna Bertram ; Betreuer: Ralf Zimmermann." Braunschweig : Technische Universität Braunschweig, 2018. http://d-nb.info/1175392154/34.

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14

Bertram, Anna [Verfasser], and Ralf [Akademischer Betreuer] Zimmermann. "Data-driven variable-fidelity reduced order modeling for efficient vehicle shape optimization / Anna Bertram ; Betreuer: Ralf Zimmermann." Braunschweig : Technische Universität Braunschweig, 2018. http://d-nb.info/1175392154/34.

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15

USUI, Shin'ichi, Masayuki TANIMOTO, Toshiaki FUJII, Tadahiko KIMOTO, and Hiroshi OHYAMA. "Fractal Image Coding Based on Classified Range Regions." Institute of Electronics, Information and Communication Engineers, 1998. http://hdl.handle.net/2237/14996.

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16

Amalraj, Julian Joyce. "Effect of variable material properties on purely thermal phase transformations in shape memory alloy wires, modeling and experiments." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0020/MQ47001.pdf.

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17

Wilke, Daniel Nicolas. "Approaches to accommodate remeshing in shape optimization." Thesis, University of Pretoria, 2010. http://hdl.handle.net/2263/24270.

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This study proposes novel optimization methodologies for the optimization of problems that reveal non-physical step discontinuities. More specifically, it is proposed to use gradient-only techniques that do not use any zeroth order information at all for step discontinuous problems. A step discontinuous problem of note is the shape optimization problem in the presence of remeshing strategies, since changes in mesh topologies may - and normally do - introduce non-physical step discontinuities. These discontinuities may in turn manifest themselves as non-physical local minima in which optimizati

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18

LIMATOLA, GIOVANNI. "Infrared Linear Renormalons in Collider Processes." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2023. https://hdl.handle.net/10281/402371.

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Al fine di descrivere appropriatamente le osservabili studiate tramite collisori adronici e/o leptonici, risulta cruciale una corretta comprensione delle correzioni non perturbative (che si manifestano come correzioni di potenza), lineari nel rapporto tra una scala di energia non perturbativa e la scala caratteristica del processo. Utilizzando un modello abeliano ricerchiamo tali effetti nella distribuzione in momento trasverso di un bosone Z prodotto con un jet in collisioni adroniche, essendo questa una delle osservabili meglio misurate presso LHC. La presenza delle correzioni non perturbati

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19

小山, 悟史, Satoshi KOYAMA, 秀幸畔上 та Hideyuki AZEGAMI. "形状最適化問題の解法における多制約の取り扱い". 日本機械学会, 2003. http://hdl.handle.net/2237/12171.

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20

Henke, M., and G. Gerlach. "A multi-layered variable stiffness device based on smart form closure actuators." Sage, 2016. https://tud.qucosa.de/id/qucosa%3A35622.

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This contribution describes the properties and limitations of multi-layered mechanical devices with variable flexural stiffness. Such structures are supposed to be components of new smart, self-sensing and self-controlling composite materials for lightweight constructions. To enable a proper stiffness control, reliable actuators with high actuation capabilities based on smart materials are used. Those actuators are either driven by electroactive polymers (EAPs) or shape memory alloy (SMA) wires. They control the area moment of inertia of the multi-layered bending structures. To change the area

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21

Heidbuechel, Ingo. "On the Variability of Hydrologic Catchment Response: Inherent and External Controls." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/268575.

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Hydrologic catchment response varies in time. The goal of this dissertation is to investigate how and why it varies and what controls these variations. In order to tackle these questions the first step is to develop a method that permits the capturing of the temporal variation of transit time distributions (TTDs). To this end, the established transfer function-convolution approach using time series of stable water isotopes was modified so that it is now able to determine variable mean transit times (mTTs). The type and the shape parameter of the transfer function also vary in time. We found th

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22

下田, 昌利, Masatoshi Shimoda, 秀幸畔上, Hideyuki Azegami, 俊明桜井 та Toshiaki Sakurai. "ホモロガス変形を目的とする連続体の形状決定". 日本機械学会, 1996. http://hdl.handle.net/2237/7244.

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23

Rivera, Samuel. "Computational Methods for the Study of Face Perception." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1354650651.

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24

Sendler, Jochen. "Entwicklung und Gestaltung variabler Bedienelemente für ein Bedien- und Anzeigesystem im Fahrzeug." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1209102371614-58070.

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Angesichts der steigenden Anzahl von Funktionen in Fahrzeugen, insbesondere im Pkw, sind neue Bedien- und Anzeigesysteme notwendig, die eine optimale Bedienbarkeit der Funktionen sicherstellen und die Ablenkung des Fahrers von der Fahraufgabe minimieren. Im Rahmen dieser Arbeit wird dazu der Einsatz variabler Bedienelemente verfolgt, die sich der aktuellen Bedienaufgabe optimal anpassen. Ziel dieser Arbeit ist es insbesondere, Vorgehensweisen und Gestaltungsempfehlungen für variable Beschriftung von Tasten und zentrale Bedienelemente mit variabler Formcodierung für abgesetzte Bedien- und Anzei

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25

Sendler, Jochen. "Entwicklung und Gestaltung variabler Bedienelemente für ein Bedien- und Anzeigesystem im Fahrzeug." Doctoral thesis, Technische Universität Dresden, 2007. https://tud.qucosa.de/id/qucosa%3A23580.

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Angesichts der steigenden Anzahl von Funktionen in Fahrzeugen, insbesondere im Pkw, sind neue Bedien- und Anzeigesysteme notwendig, die eine optimale Bedienbarkeit der Funktionen sicherstellen und die Ablenkung des Fahrers von der Fahraufgabe minimieren. Im Rahmen dieser Arbeit wird dazu der Einsatz variabler Bedienelemente verfolgt, die sich der aktuellen Bedienaufgabe optimal anpassen. Ziel dieser Arbeit ist es insbesondere, Vorgehensweisen und Gestaltungsempfehlungen für variable Beschriftung von Tasten und zentrale Bedienelemente mit variabler Formcodierung für abgesetzte Bedien- und Anzei

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26

Lo, Hung-Chieh. "Vibration Characteristics of Thin-Walled Noncircular Composite Cylinders." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/77207.

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The lowest natural frequencies of thin-walled noncircular fiber-reinforced composite cylinders, specifically cylinders with elliptical cross sections, are investigated. Of interest is the variation of the lowest natural frequency, the so-called fundamental frequency, as a function of wall laminate properties, cross-sectional eccentricity and other cylinder geometric parameters. Both simple and clamped support boundary conditions are investigated. Laminate properties that are uniform with circumferential location and laminate properties that vary with circumferential location, by way of varying

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27

Beatton, Douglas Anthony. "The economics of happiness : a lifetime perspective." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/50009/1/Douglas_Beatton_Thesis.pdf.

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The three studies in this thesis focus on happiness and age and seek to contribute to our understanding of happiness change over the lifetime. The first study contributes by offering an explanation for what was evolving to a ‘stylised fact’ in the economics literature, the U-shape of happiness in age. No U-shape is evident if one makes a visual inspection of the age happiness relationship in the German socio-economic panel data, and, it seems counter-intuitive that we just have to wait until we get old to be happy. Eliminating the very young, the very old, and the first timers from the analysi

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28

Ataser, Zafer. "Variable Shaped Detector: A Negative Selection Algorithm." Phd thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615629/index.pdf.

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Artificial Immune Systems (AIS) are class of computational intelligent methods developed based on the principles and processes of the biological immune system. AIS methods are categorized mainly into four types according to the inspired principles and processes of immune system. These categories are clonal selection, negative selection, immune network and danger theory. The approach of negative selection algorithm (NSA) is one of the major AIS models. NSA is a supervised learning algorithm based on the imitation of the T cells maturation process in thymus. In this imitation, detectors are used

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29

Гладчук, Марта. "Технологічно-конструктивний підхід до проєктування інтерактивних об'єктів зі змінною геометрією в дизайні громадського середовища". Thesis, Київський національний університет технологій та дизайну, 2021. https://er.knutd.edu.ua/handle/123456789/18152.

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Надано результати дослідження технологічно-конструктивного підходу до формоутворення інтерактивних об'єктів дизайну громадського середовища зі змінною геометрією. Описано зв'язок зростання популярності даного підходу з розвитком інформаційних технологій та глобальної медієзації простору життєдіяльності людини в ХХІ столітті. Згідно з поставленим завданням розглянуто основні характеристики технологічно-конструктивного підходу до трансформації, визначено дві основні тенденції його застосування на практиці та наведено конкретні приклади інтерактивних об'єктів зі змінною геометрією для кожної тенд

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30

Makem, J. E. "Virtual Net-Shape Forging of Aerofoil Blades - Dimensional Inspection and Shape Sensitivity to Process Variables." Thesis, Queen's University Belfast, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.517543.

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31

Waugh, Robert George. "Measurement of event shape variables in deep inelastic scattering." Thesis, University of Glasgow, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301504.

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32

Moravej, Hans. "Vibration-based probabilistic model updating of civil structures using structural health monitoring techniques." Thesis, Queensland University of Technology, 2020. https://eprints.qut.edu.au/203653/1/Hans%20Moravej%20Thesis.pdf.

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Information extracted from monitored data is susceptible to uncertainties and not reliable to be used for structural investigations. Finite element model updating (FEMU) is an accredited framework which aims to improve the accuracy of FEMs of real structures. However, FEMU faces barriers to achieving efficiency and addressing uncertainties. This study aims to develop a probabilistic approach based on Modular Bayesian approach (MBA) to address challenges in the application of FEMU. Moreover, this research proposes an integration between MBA and structural reliability analysis to assess the perf

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33

Scott, J. A. "A study of the effect of process variables on the properties of rotationally moulded plastic articles." Thesis, Queen's University Belfast, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381175.

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34

Litherland, Trevis J. "On the limiting shape of random young tableaux for Markovian words." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26607.

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Thesis (Ph.D)--Mathematics, Georgia Institute of Technology, 2009.<br>Committee Chair: Houdre, Christian; Committee Member: Bakhtin, Yuri; Committee Member: Foley, Robert; Committee Member: Koltchinskii, Vladimir; Committee Member: Lifshitz, Mikhail; Committee Member: Matzinger, Heinrich; Committee Member: Popescu, Ionel. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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35

Plent, Adrien. "Le capital variable." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM1067.

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Spécificité légale, introduite dans notre droit positif par la loi du 24 juillet 1867, la variabilité du capital social demeure encore de nos jours trop méconnue et devrait, de fait, être érigée au rang des curiosités juridiques. On ne saurait objecter pareil constat en ce que le législateur lui-même ne semble pas lui porter un incommensurable intérêt. En effet, en ce que la variabilité du capital ne résulte que de l’adoption, par une forme sociale de droit commun, d’une simple clause statutaire, ce dernier n’a semble-t-il pas jugé indispensable d’édicter un régime juridique précis et autonome

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36

McClinchey, Heather Louise. "The effects of changing hoof shape variables analysed with a validated finite element model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0027/MQ51080.pdf.

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37

Gillman, Kevin M. "Optimization of Shape, Size, and Topology Design Variables in Trusses with a Genetic Algorithm." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd683.pdf.

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38

Shao, Yuan. "Higher order spectra invariants for shape pattern recognition." Ohio : Ohio University, 2000. http://www.ohiolink.edu/etd/view.cgi?ohiou1179949998.

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39

Forssén, Cecilia. "Modelling of cavity partial discharges at variable applied frequency." Doctoral thesis, KTH, Elektroteknisk teori och konstruktion, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4756.

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The presence of partial discharges (PD) in high voltage components is generally a sign of defects and degradation in the electrical insulation. To diagnose the condition of high voltage insulation, PD measurements is commonly used. The Variable Frequency Phase Resolved PD Analysis (VF-PRPDA) technique measures PD at variable frequency of the applied voltage. With this technique, the frequency dependence of PD can be utilized to extract more information about the insulation defects than is possible from traditional PD measurements at a single applied frequency. In this thesis the PD process in

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40

Dunkel, Caroline Aubrey. "Controlling variables in the transition from a non-organic-rich marine shale to an organic-rich marine shale, Devonian Ohio Shale, north-central Ohio." Bowling Green State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1589752994470939.

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41

Kluge, Thomas. "Measurement and QCD analysis of event shape variables in deep inelastic electron proton collisions at HERA." Hamburg : DESY, 2004. http://deposit.d-nb.de/cgi-bin/dokserv?idn=971990387.

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42

Riley, Mike J. W. "Evaluating cascade correlation neural networks for surrogate modelling needs and enhancing the Nimrod/O toolkit for multi-objective optimisation." Thesis, Cranfield University, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/6796.

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Engineering design often requires the optimisation of multiple objectives, and becomes significantly more difficult and time consuming when the response surfaces are multimodal, rather than unimodal. A surrogate model, also known as a metamodel, can be used to replace expensive computer simulations, accelerating single and multi-objective optimisation and the exploration of new design concepts. The main research focus of this work is to investigate the use of a neural network surrogate model to improve optimisation of multimodal surfaces. Several significant contributions derive from evaluatin

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43

Zhang, Xiaodong. "Modeling of materials with internal variables using a thermomechanical approach." Thesis, Virginia Tech, 1992. http://hdl.handle.net/10919/45355.

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In this thesis, the thermomechanical approach with internal variables has been thoroughly analyzed. This approach is based on the combination of thermodynamic principles and continuum mechanics. Therefore it reflects the physical essence of constitutive behavior of materials. Based on this approach, a one-dimensional constitutive model for the two-way shape memory effect and a one-dimensional constitutive model for piezoceramics have been developed, respectively. In modeling the two-way shape memory effect, a residual stress σ<sub>re</sub> is introduced as a controlling parameter for the two-

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44

Chan, Ching Yee. "Active fund management and crosssectional variance of returns." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/29434.

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In active portfolio management, fund managers seek to follow an investment strategy with the objective of outperforming an investment benchmark index. Opportunities to outperform a benchmark in active fund management is made possible through crosssectional dispersion of returns in the market. It is cross-sectional volatility of returns that allows fund managers to identify changing trends in market relationships and to take advantage of market opportunities.Quarterly active share and active return data of Domestic General Equity funds was used to determine whether the level of active share and

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45

Ogden, Lillie. "Exploring Opportunities for Novel Electricity Trading Strategies within a Virtual Power Plant in the European Power Market : New Possibilities in Power Trading Due to the Increased Share of Variable Renewable Energy." Thesis, KTH, Energiteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-277841.

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This report explores the impacts of variable renewable energy (VRE) on power trading in the European wholesale electricity market. The intricate operation of a typical power exchange in Europe is accompanied by an equally complex balancing system. The increasing amount of VRE in the power system, such as wind and solar power, has far-reaching impacts for power traders in both this electricity market and the corresponding balancing system. As a result, the electricity market is evolving in unprecedented ways and new participants are entering the playing field to capitalize on the changing dynam

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46

Dhununjoy, Rakesh Kumar. "Meeting the Challenges for Increasing the Share of Variable Renewable Energy in the Generation Mix of Mauritius." Thesis, KTH, Kraft- och värmeteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-150579.

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As a Small Island Developing State (SIDS), Mauritius is exceptionally vulnerable. It faces similar threats to its survival as other SIDS, which include, inter alia, a strong reliance on a depleting natural resource base, loss of biodiversity and degradation of essential components of the ecosystem, and a heavy dependency on fossil fuels and other imported commodities that support society. Climate change, long distances that separating Mauritius from Africa and Asia, coupled with rising fuel costs exacerbates the situation considerably. Unless substantial and effective interventions are put in

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47

Frost, Ami Mariko Hood. "Disclosure of Abuse as a Moderating Variable for Internalized Shame in Adult Survivors of Childhood Sexual Abuse." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd2101.pdf.

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48

Hülsing, Tobias [Verfasser]. "Probing quantum chromodynamics with the ATLAS detector : charged-particle event shape variables and the dijet cross-section / Tobias Hülsing." Mainz : Universitätsbibliothek Mainz, 2015. http://d-nb.info/1065687508/34.

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49

Weinzierl, Stefan. "QCD corrections to $e^+e^-\rightarrow 4$ jets." Phd thesis, Université Paris Sud - Paris XI, 1998. http://tel.archives-ouvertes.fr/tel-00000814.

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Cette thèse a pour objet les corrections perturbatives de CDQ pour la production de quatre jets dans l'annihilation des électrons et positrons. Les corrections à une boucle pour le sous-processus $e^+ e^- \rightarrow q \bar{q} Q \bar{Q}$ sont calculées avec de nouvelles méthodes qui comprennent la décomposition de couleur, la méthode des spineur d'hélicité, et une décomposition inspirée par la supersymmétrie. Nous avons également profité des contraintes découlants de l'unitarité et des limites colinéaires pour restreindre la forme analytique des amplitudes. Dans une deuxième phase, j'ai écrit

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50

Steidel, Katja. "Untersuchung der Auflösungsgrenzen eines Variablen Formstrahlelektronenschreibers mit Hilfe chemisch verstärkter und nicht verstärkter Negativlacke." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-66659.

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Ziele wie eine hohe Auflösung und ein hoher Durchsatz sind bisher in der Elektronenstrahllithografie nicht gleichzeitig erreichbar; es existieren daher die Belichtungskonzepte Gaussian-Beam und Variable-Shaped-Beam (VSB), die auf Hochauflösung respektive Durchsatz optimiert sind. In dieser Arbeit wird der experimentelle Kreuzvergleich beider Belichtungskonzepte mit Hilfe chemisch verstärkter und nicht verstärkter Lacksysteme präsentiert. Als quantitativer Parameter wurde die Gesamtunschärfe eingeführt, die sich durch quadratische Addition der auflösungslimitierenden Fehlerquellen, also Coulomb

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