Дисертації з теми "Mechanics of rigid bodies"
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Fandrich, Martin Edward. "Impact mechanics of rigid and compliant bodies." Thesis, University of Cambridge, 1997. https://www.repository.cam.ac.uk/handle/1810/275244.
Повний текст джерелаTarama, Daisuke. "Classical and Quantum Mechanics, and Complex Algebraic Geometry of Free Rigid Bodies." 京都大学 (Kyoto University), 2012. http://hdl.handle.net/2433/157481.
Повний текст джерелаDaily, David J. "Fluid-Structure Interactions with Flexible and Rigid Bodies." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/3791.
Повний текст джерелаTian, Xijin. "Modeling of planar elastically coupled rigid bodies: Geometric algebra methods and applications." Diss., The University of Arizona, 2002. http://hdl.handle.net/10150/280214.
Повний текст джерелаReis, António Manuel Malvas. "Estudo piloto da variabilidade do padrão de execução técnica no decurso da prova de 400 metros livres em natação." Master's thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Ciências do Desporto e de Educação Física, 2002. http://dited.bn.pt:80/29580.
Повний текст джерелаCouceiro, Maria Teresa Fernandes. "Análise biomecânica do flick-flick na trave olímpica." Master's thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Ciências do Desporto e de Educação Física, 2000. http://dited.bn.pt:80/29214.
Повний текст джерелаMoreira, Pelágio. "Análise das interacções de uma técnica base em trampolis com quatro técnicas complexas." Master's thesis, Instituições portuguesas -- UTL-Universidade Técnica de Lisboa -- -Faculdade de Motricidade Humana, 2000. http://dited.bn.pt:80/29332.
Повний текст джерелаGraziano, Alberto da Conceição Liberto. "Caracterização biomecânica do remate em suspensão com corrida no andebol-uma abordagem cinemática, dinâmica e electromiográfica." Phd thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Ciências do Desporto e de Educação Física, 2002. http://dited.bn.pt:80/29621.
Повний текст джерелаCruz, Maria João Bezerra. "Estudo biomecânico de três técnicas de partida para provas ventrais de natação-abordagem cinemática e dinâmica." Master's thesis, Instituições portuguesas -- UP-Universidade do Porto -- -Faculdade de Ciências do Desporto e de Educação Física, 2000. http://dited.bn.pt:80/29180.
Повний текст джерелаVaillant, Timothée. "Rotation à long terme des corps célestes et application à Cérès et Vesta." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEO005/document.
Повний текст джерелаThis thesis concerns the long-term rotation of celestial bodies.The first part is a study of the long-term rotation of Ceres and Vesta, the two heaviest bodies of the main asteroid belt. The spacescraft Dawn studied these two objects and determined the physical and rotational characteristics, which are necessary for the computation of their rotations. The ice distribution under and on the surface of Ceres depends on the evolution of the obliquity, which is the inclination of the equatorial plane on the orbital plane. As the rotations of Ceres and Vesta are fast, the long-term evolution of the spin axes of Ceres and Vesta was obtained by realizing a symplectic integration of the equations of the rotation averaged on the fast proper rotation. The stability of the spin axes of Ceres and Vesta was studied with respect to the parameters of the rotation with a secular and semi-analytical model, which allowed to show that the spin axes are not chaotic.The second part concerns the development of symplectic integrators dedicated to the rigid body. The integration of the proper rotation of a rigid body needs to integrate the equations given by the Hamiltonian of the free rigid body. This Hamiltonian is integrable and presents an explicit solution using the Jacobi elliptic functions. However, the numerical cost of these functions is high. When the Hamiltonian of the free rigid body is coupled to a potential energy, the orientation of the body is needed at each step, which increases the computation time. Symplectic integrators were then previously proposed for the free rigid body. In this work, symplectic integrators dedicated to the rigid body were developed using the properties of the Lie algebra of the angular momentum
He, Wendy. "Computer animation of particles and rigid bodies." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/MQ32399.pdf.
Повний текст джерелаWeinstein, Rachel Lara. "Simulation and control of articulated rigid bodies /." May be available electronically:, 2007. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.
Повний текст джерелаHe, Wen (Wendy) Carleton University Dissertation Engineering Systems and Computer. "Computer animation of particles and rigid bodies." Ottawa, 1997.
Знайти повний текст джерелаLong, Jie. "Animating Non-Rigid Bodies Using Motion Capture." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/3396.
Повний текст джерелаLewin, Christopher. "Constraint based simulation of soft and rigid bodies." Thesis, University of Bath, 2016. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.687373.
Повний текст джерелаFERREIRA, EDSON LUIZ CATALDO. "MODELING AND SIMULATION OF PLANE COLLISIONS BETWEEN RIGID BODIES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1999. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=2083@1.
Повний текст джерелаEm geral, o movimento de corpos se dá em ambiente com barreiras podendo ocorrer colisões. Para que seja possível fazer previsões da dinâmica é necessário saber o que acontece quando um corpo colide. O problema é portanto: conhecida a dinâmica do corpo pré-colisão e as propriedades dos corpos que colidem, prever a dinâmica pós-colisão. Os primeiros trabalhos publicados sobre o assunto datam de 1668 e, até 1984,os modelos existentes pareciam satisfatórios. Porém a aplicação de um desses modelos a um problema simples apresentou geração de energia. Desde então, um grande número de trabalhos tem aparecido na literatura. A tese trata de problema de colisões planas, discute criticamente os modelos da literatura comparando-os através de uma generalização por nós desenvolvida e propõe um novo modelo que engloba alguns dos modelos da literatura. Mostramos os principais problemas de alguns dos modelos e discutimos questões de existência e unicidade. Simulações feitas num programa por nós desenvolvido são apresentadas e ajudam a entender a influência dos coeficientes constitutivos. A validação dos resultados é realizada através de resultados experimentais colhidos da literatura.
In general the motion of a body takes place in a confined environment and collision of the body with the containing wall is possible. To predict the dynamics of a body in this conditions one must know what happens in a collision. The problem is then: known the pre-collision dynamics of the body and the properties of the body and the wall one want to predict the post-collision dynamics. This problem is quite old and it appeared in the literature in 1968. Up to 1984 it seemed that Newton model was enough to solve the problem. But it was found that this was not the case and a renewed interest in the problem appeared. This thesis treats the problem of plan collisions of rigid bodies and tries to classify the differents models and to compare them. A new model is presented and old results are shown in a new framework.
Vilela, João Vítor Cavalcanti. "Attitude control of rigid bodies with time-delayed measurements." reponame:Repositório Institucional da UnB, 2016. http://repositorio.unb.br/handle/10482/23347.
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Desenvolver condições de estabilidade e projeto de controladores para controle de atitude de corpos rígidos sujeitos a atrasos no tempo é o objetivo desta dissertação. O modelo utilizado, escrito na forma de equação diferencial atrasada, advém das equações cinemática e dinâmica do corpo rígido modificadas considerando atrasos temporais. Estes atrasos podem representar latências dos sensores e atuadores, além de tempo de processamento de dados (e.g., cômputo dos sinais de controle) e de transmissão de dados quando os elementos do sistema de controle estão conectados por redes comunicação. Em particular, são supostos atrasos desconhecidos e variantes no tempo, o que lhes confere generalidade maior do que os casos abordados até então na literatura, onde os poucos trabalhos que abordaram o problema aprensentam resultados dependentes do valor exato do atraso ou o assumem constante, o que na prática dificilmente é verificado. As condições obtidas, escritas na forma de teoremas, são baseadas em sua maioria na teoria de Lyapunov-Krasovskii. Outro aspecto que diferencia este trabalho em relação aos demais é que os teoremas são formulados como desigualdades matriciais lineares (LMIs, em inglês). A formulação por LMIs é vantajosa não só pelas excelentes propriedades computacionais das LMIs (resolução em tempo polinomial), mas também porque as condições são escritas com variáveis, reduzindo o conservadorismo dos resultados e permitindo a automação do processo de verificação de estabilidade e projeto de controladores, o que também é uma contribuição desta dissertação. Além disso, os controladores possuem performance garantida segundo o critério H∞ , isto é, além de estabilidade, este tipo de controlador tem um nível mínimo de atenuação de perturbações assegurado.
Developing stability and controller design conditions for rigid body attitude control subjected to time delays is the goal of this dissertation. The rigid body model, written in form of functional differential equation, stems from the kinematic and dynamic rigid body equations, modified to take time delays into account. Such time delays may represent sensor and actuator latency, processing time (e.g., computing control signals) and transmission lags when the control system elements are connected by communication networks. In particular, time delays are considered unknown and time-varying, which makes them generalizations of previous results in literature, where the scarce works to tackle the problem present results dependent on the exact time delay value, which is hardly verified in practice. The proposed conditions, written as theorems, are mostly based on Lyapunov-Krasovskii theory. Another aspect that sets this work apart is that theorems are formulated as linear matrix inequalities (LMIs). LMI formulation is advantageous not only for its excellent computational properties (polynomial time solving), but also for the conditions are written with variables, which reduces results' conservatism e enables automating stability verification and controller design, which is a contribution of this work as well. In addition, controllers attain guaranteed performance according to H∞ criterion, that is, besides stability, this kind of controller presents a known minimum level of perturbation attenuation.
Cordier, Michelle Renee. "On Bodies Whose Shadows Are Related Via Rigid Motions." Kent State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=kent1429547907.
Повний текст джерелаUmakanthan, Saravanan. "Mechanics of prestressed and inhomogeneous bodies." Texas A&M University, 2005. http://hdl.handle.net/1969.1/4241.
Повний текст джерелаRutstam, Nils. "Study of equations for Tippe Top and related rigid bodies." Licentiate thesis, Linköpings universitet, Tillämpad matematik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-60835.
Повний текст джерелаNeethling, Rufus Stephanus. "Numerical simulation of systems of rigid bodies / Rufus Stephanus Neethling." Thesis, North-West University, 2004. http://hdl.handle.net/10394/596.
Повний текст джерелаThesis (Ph.D. (Mechanical Engineering))--North-West University, Potchefstroom Campus, 2005.
Moreau, Filip. "Physics-Based, Real-Time Simulation of Fluid-Immersed Rigid Bodies." Thesis, Malmö universitet, Fakulteten för teknik och samhälle (TS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-43343.
Повний текст джерелаBenson, M. "Flow past bluff bodies." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382725.
Повний текст джерелаSchlanbusch, Rune. "Control of rigid bodies : with applications to leader-follower spacecraft formations." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for teknisk kybernetikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-16464.
Повний текст джерелаDuff, Damien Jade. "Visual motion estimation and tracking of rigid bodies by physical simulation." Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/2927/.
Повний текст джерелаGissler, Christoph [Verfasser], and Matthias [Akademischer Betreuer] Teschner. "Beyond fluids: SPH simulation of rigid bodies, snow and air interactions." Freiburg : Universität, 2021. http://d-nb.info/1238016057/34.
Повний текст джерелаWichers, Schreur Bernardus Gerardus Joseph. "The motion of buoyant bodies." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358851.
Повний текст джерелаArmstrong, Brian Jeffrey. "Unsteady flow over bluff bodies." Thesis, University of Edinburgh, 1985. http://hdl.handle.net/1842/11409.
Повний текст джерелаCarlson, Mark Thomas. "Rigid, Melting, and Flowing Fluid." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4807.
Повний текст джерелаSnively, Eric. "Rigid Body Mechanics of Prey Capture in Large Carnivorous Dinosaurs." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1322668677.
Повний текст джерелаYue, Zhongqi Carleton University Dissertation Engineering Civil. "Mechanics of rigid disc inclusions in fluid saturated poroelastic media." Ottawa, 1992.
Знайти повний текст джерелаRokseth, Børge. "A Bond Graph Approach for Modelling Systems of Rigid Bodies in Spatial Motion." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for marin teknikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-25579.
Повний текст джерелаHedin, Kajsa. "Design of semi-rigid cables for harsh vibration environment." Thesis, KTH, Hållfasthetslära, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-284522.
Повний текст джерелаDen här master rapporten undersöker semi-rigida kablar som utsätts för en hård vibrationsmiljö. Rapporten inkluderar en simulations modellering av de semi-rigida kablarna samt utvecklandet av en fixturmodell som sedan undersökts i ett experimentellt vibrationstest. Det visades att kablarna kunde modelleras som ett isotropiskt material med en elastisk modul på 55 GPa och ge korrekta resultat i jämförelse med det experimentella vibrationstestet. Det var viktigt att analysera randvillkoren så att de applicerades rätt vid modelleringen. Vad gäller livslängden på kablarna visades det att förspänning, på grund av böjmoment, i kablarna inte påverkade livslängden. Amplitudmomentet, på grund av oscillationen som skapas i kablarna vid vibrering, påverkade livslängden och en ekvation som beskriver förhållandet mellan amplitudmomentet och antal cykler som kabeln utsattes för kundes ta fram.
Gomez, Miguel J. "Optimization-based analysis of rigid mechanical systems with unilateral contact and kinetic friction /." Thesis, Connect to this title online; UW restricted, 2008. http://hdl.handle.net/1773/6793.
Повний текст джерелаCornett, Andrew Malcolm. "Short-crested wave forces on a rigid segmented vertical cylinder." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26688.
Повний текст джерелаApplied Science, Faculty of
Civil Engineering, Department of
Graduate
Pitt-Francis, Joseph M. "Dynamics of solid bodies in a rotating viscous fluid." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386716.
Повний текст джерелаHahn, James Kwangjune. "The use of simulation techniques for motion control of rigid bodies in computer graphics /." The Ohio State University, 1989. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487671640056213.
Повний текст джерелаBrunt, Susan Mary. "Scatterring of water waves by rigid bodies in three dimensions, using the null-field method." Thesis, University of Manchester, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.237064.
Повний текст джерелаMitchell, Jason W. "A Simplified Variation of Parameters Solution for the Motion of an Arbitrarily Torqued Mass Asymmetric Rigid Body." University of Cincinnati / OhioLINK, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ucin962392147.
Повний текст джерелаGhadiri, Dehkordi Behzad. "Numerical simulation of the viscous flow around bluff bodies via the random Vortex method." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41598.
Повний текст джерелаThe random vortex method is developed to simulate the flow around a circular cylinder with a splitter plate. A conformal transformation is used to map the cylinder with a splitter plate to a unit circular cylinder. The force coefficients and Strouhal number are presented for various lengths of the splitter plate and are in good agreement with experiments.
The random vortex method has also been developed for the flow around a circular cylinder vibrating transverse to the flow in a channel. The results are presented for various values of Reynolds number, forcing frequency and vibration amplitudes. The effect of blockage on the drag coefficient is presented. The drag coefficient and vortex shedding frequency are shown to compare favourably with experimental results. The flow around a vibrating cylinder with a splitter plate is also simulated. The results are presented for various values of forcing frequency and lengths of the splitter plate.
The flow around multiple stationary cylinders is also simulated. Also, results are presented for the flow around two cylinders, one of which is forced to oscillate in a transverse direction. The numerical results of Strouhal number are in reasonable agreement with experiments.
Beckham, Jon Regan. "Analysis of mathematical models of electrostatically deformed elastic bodies." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 169 p, 2008. http://proquest.umi.com/pqdweb?did=1475178561&sid=27&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Повний текст джерелаErozkan, Deniz. "Finite Strip With Rigid Ends And Edge Notches." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610880/index.pdf.
Повний текст джерела#8211
a. Two ends of the finite strip are bonded to two rigid plates through which uniformly distributed axial tensile loads of intensity p0 are applied. The finite strip is assumed to be made of a linearly elastic and isotropic material. For the solution of the finite strip problem, an infinite strip of width 2h containing two internal cracks of width b&
#8211
a at y=0 and two rigid inclusions of width 2c at y=±
L is considered. When the width of rigid inclusions approach the width of the strip, the portion of the infinite strip between the inclusions becomes identical with the finite strip problem. When the outer edges of the internal cracks approach the edge of the strip, they become edge cracks (notches). Governing equations are solved by using Fourier transform technique and these equations are reduced to a system of three singular integral equations. By using Gauss-Lobatto and Gauss-Jacobi integration formulas, these three singular integral equations are converted to a system of linear algebraic equations which is solved numerically.
Johannesson, Roger. "Simulering av mjuka kroppar för spel." Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7683.
Повний текст джерелаI dagens spelindustri baseras nästan samtliga 3D-spel på fysiksimuleringar med stela kroppar (rigid bodies). Examensarbetet undersöker vilka alternativa modeller som finns för att simulera mjuka deformerbara objekt, deformerbara i det avseendet att de kan ändra form och inte nödvändigtvis att de kan gå sönder i flera bitar. Rapporten inleds med en undersökande del som tar upp några existerande metoder för att hantera dynamiken inom ett mjukt objekt för att sedan beskriva en metod i detalj som dessutom implementeras i ett kodbibliotek. Ett deformerbart objekt är inte så spännande om det inte finns något sätt att deformera det på, därför undersöks även hur kollisionshantering kan gå till. Även här har rapporten först en undersökande del för att sedan beskriva en specifik metod i detalj som implementeras i kodbiblioteket. Examensarbetet resulterar i slutändan i en grundläggande interaktiv simuleringsmiljö för mjuka deformerbara objekt i form av ett kodbibliotek.
Lloyd, Wilson Randolph. "Experimental determination of the stress singularity exponent in cracked bodies using photoelasticity." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/91050.
Повний текст джерелаM.S.
Becker, Jan Verfasser], Rudolf [Akademischer Betreuer] Schmitz, and Hans-Jörg [Akademischer Betreuer] [Kull. "Brownian motion of rigid bodies in compressible fluids under nonisothermal conditions / Jan Becker ; Rudolf Schmitz, Hans-Jörg Kull." Aachen : Universitätsbibliothek der RWTH Aachen, 2016. http://d-nb.info/1128231662/34.
Повний текст джерелаDonati, Checone E. "A study of the theoretical and implementation aspects of response prediction methods for rigid floating bodies at sea." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371253.
Повний текст джерелаBecker, Jan [Verfasser], Rudolf [Akademischer Betreuer] Schmitz, and Hans-Jörg [Akademischer Betreuer] Kull. "Brownian motion of rigid bodies in compressible fluids under nonisothermal conditions / Jan Becker ; Rudolf Schmitz, Hans-Jörg Kull." Aachen : Universitätsbibliothek der RWTH Aachen, 2016. http://d-nb.info/1128231662/34.
Повний текст джерелаMcGregor, Peter Stanley. "Modelling the effect of suspended bodies on cavitation bubbles near a rigid boundary using a boundary integral approach." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/15822/1/Peter_McGregor_Thesis.pdf.
Повний текст джерелаLu, Dongqiang, and 盧東強. "Unsteady free-surface waves generated by bodies in a viscous fluid." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B29750787.
Повний текст джерелаGoldthorpe, Martin Richard. "An elastic-plastic finite element program with applications to cracked bodies." Thesis, University of Sheffield, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315414.
Повний текст джерела