Дисертації з теми "Finite element - Humanbody model"
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Murdoch, Brian. "Finite element-CAD integrated BOD model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/MQ30525.pdf.
Повний текст джерелаRompré, Stéphane. "Finite element model of wood fibres." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=64106.
Повний текст джерелаBermejo-Bermejo, Rodolfo. "A finite element model of ocean circulation." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26166.
Повний текст джерелаScience, Faculty of
Earth, Ocean and Atmospheric Sciences, Department of
Graduate
Yin, John Zhihao. "Finite element model of cardiac electrical conduction." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/26859.
Повний текст джерелаGotin, Nathalie. "Finite Element Model Updating for Rotary Machinery." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/864.
Повний текст джерелаWilson, Kelly A. "Finite Element Analysis of Breast Implants." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/32972.
Повний текст джерелаMaster of Science
Codina, Rovira Ramon. "A finite Element model for incompressible flow problems." Doctoral thesis, Universitat Politècnica de Catalunya, 1992. http://hdl.handle.net/10803/5915.
Повний текст джерелаLe, Roux Daniel Y. "A semi-Lagrangian finite element barotropic ocean model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ44492.pdf.
Повний текст джерелаLevin, Robert Ian. "Dynamic Finite Element model updating using neural networks." Thesis, University of Bristol, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264075.
Повний текст джерелаWaters, Timothy Paul. "Finite element model updating using frequency response functions." Thesis, University of Bristol, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294617.
Повний текст джерелаTerrell, Michael John. "Constrained generic substructures in finite element model updating." Thesis, University of Bristol, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.430175.
Повний текст джерелаGorman, John P. (John Patrick) 1973. "Finite element model of thermoelastic damping in MEMS." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/8458.
Повний текст джерелаIncludes bibliographical references (p. 111).
Damping in MEMS resonators was studied experimentally and numerically. Quality factor measurements were performed on Draper gyroscopes made from boron doped silicon wafers with varying amount of germanium (0%, 2%, 23%, 30% ). The quality factors of gyroscopes with germanium were measured to be lower than those without germanium, due to increased anelastic damping. Specifically, the decreased thermal conductivity in the devices with germanium causes those devices to experience thermoelastic damping of a greater magnitude than the germanium-free devices. The amount of damping exhibited is found to be well explained by existing analytical expressions for thermoelastic dissipation in a beam model. The governing equations of thermo elasticity dictate that the amount of damping that a resonator undergoes is a function of both material properties as well as device geometry. Damping will become greatest at operating cycle times that are of the same scale as the thermal relaxation times of the device material. Due to the fact that analytical expressions exist for only a few simple geometries, a finite element model was developed to evaluate thermoelastic damping in more complicated geometries. The finite element model is demonstrated to be in good qualitative agreement with the analytical expressions, and is used to analyze the impact of design modifications such as the addition of fillets and anchors to a simple beam model. It is shown that depending on the size scale of the resonator (which dictates the amount of internal damping), these geometric modifications may either hinder or improve resonator damping characteristics.
by John P. Gorman.
S.M.
Eriksson, Daniel. "A Mass Conserving Wind Model Evaluation With Finite Element." Thesis, Umeå universitet, Institutionen för fysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-80406.
Повний текст джерелаDetta arbete testar och utvärderar en metod for att approximera ett stationärt vind fält i en urban miljö i syfte att användas for spridnings beräkningar. Istället for att använda Navier Stokes ekvation används en massbevarande modell. Denna modell använder empirisk information for att approximera vind fältet. Fältet görs sedan massbevarande. Detta arbete visar att det ar möjligt att lösa modellen med Finita Element och Comsol Multiphysics för stora urbana miljöer på kort tid. Jämförelser med vindtunnel experiment visar att de stora virvlarna är synliga men att hastigheterna är lägre. Bland de iterativa lösarna som användes presterade Multigrid och Conjugat Gradient metoden bäst. En urban miljö med 2 100 000 frihetsgrader hade en lösningstid på ca 3 minuter.
Giavaras, Alexandros. "A finite element model for the permeability of textiles." Thesis, University of Nottingham, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.546289.
Повний текст джерелаMercer, Judith F. "Containment of the spacecraft finite element model correlation process." Thesis, University of Surrey, 2017. http://epubs.surrey.ac.uk/842377/.
Повний текст джерелаHamiche, Karim. "A high-order finite element model for acoustic propagation." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/400677/.
Повний текст джерелаAhsan, Nabeel. "OCTG Premium Threaded Connection 3D Parametric Finite Element Model." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71791.
Повний текст джерелаMaster of Science
LaPeter, Christina M. "Application of distributed measurements for finite element model verification." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-12302008-063220/.
Повний текст джерелаRen, Zhen. "Modular model assembly from finite element models of components." Diss., Connect to online resource - MSU authorized users, 2008.
Знайти повний текст джерелаAdolfsson, Erik. "Simplified finite element bearing modeling : with NX Nastran." Thesis, Uppsala universitet, Tillämpad mekanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-255398.
Повний текст джерелаSubramaniam, Hari. "VIBRATION ANALYSIS OF CARBON NANOTUBE USING CONTINUUM MODEL AND FINITE ELEMENT MODEL." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2268.
Повний текст джерелаM.S.
Department of Mechanical, Materials and Aerospace Engineering;
Engineering and Computer Science
Mechanical Engineering
Kwok, C. M. "Finite element studies of reinforced embankments on soft ground." Thesis, University of Sheffield, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382420.
Повний текст джерелаIolov, Alexandre. "Finite element methods for a microstructure-based model of blood." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28306.
Повний текст джерелаTaylor, Thomas Alan. "A finite element based model of gas/liquid mechanical seals." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/17027.
Повний текст джерелаDaniel, Sam J. "Finite-element model of the human eardrum and middle ear." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=29429.
Повний текст джерелаOne technique used to analyse the mechanics of complex models is the finite-element method whereby the system of interest is divided into a large number of small simple elements. The mechanical properties and applied forces are represented by functions defined over each element, and the mechanical response of the whole system can then be computed.
A unique three-dimensional finite-element model of the human eardrum and middle ear was devised. This model takes advantage of phase-shift moire shape measurements to precisely define the shape of the eardrum. The middle-ear geometry is derived from histological serial sections and from high-resolution magnetic-resonance microscopy of the human ear.
The model allows an improved understanding of the mechanics of the human middle ear, can simulate various pathological conditions, and assist in the design of ossicular prostheses.
Chau, Kam Shing Patrick. "A finite element model for stress analysis of underground openings /." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63962.
Повний текст джерелаKhodaparast, Hamed Haddad. "Stochastic finite element model updating and its application in aeroelasticity." Thesis, University of Liverpool, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548785.
Повний текст джерелаGasson, Paul David. "A finite element model of human skin for surgical simulation." Thesis, University of East Anglia, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502554.
Повний текст джерелаCooper, Edward. "An elastic-plastic finite element model for composite crash structures." Thesis, University of Nottingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268468.
Повний текст джерелаThan, Soe Muang. "Vibration-based finite element model updating and structural damage identification." Thesis, University of Greenwich, 2013. http://gala.gre.ac.uk/11451/.
Повний текст джерелаKang, Jae-Sun. "A finite element continuum model for consolidation due to pumpage." Thesis, Swansea University, 2005. https://cronfa.swan.ac.uk/Record/cronfa42218.
Повний текст джерелаLee, Youngho. "Finite element model updating of loaded and geometrically modified structures." Thesis, University of Bristol, 2006. http://hdl.handle.net/1983/f7493e73-ad88-438c-8b8e-a3e801ec9947.
Повний текст джерелаLesser, Beverly Brown. "Thermal-magnetic finite element model of a high frequency transformer." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/44121.
Повний текст джерелаIn high-frequency power transformers, magnetic material properties cannot be assumed to be constant. These properties vary with frequency, temperature, and magnetic flux density. Heat generation is, in turn, a function of the magnetic permeability, magnetic flux density, and frequency. Current design methods are either empirical or based on linear, uncoupled models. To better understand the relationship between heat transfer, magnetic flux density, material properties, and core geometry in a miniature, high-frequency transformer, a finite-element program has been developed to solve the coupled thermal-magnetic equations for an axisymmetric transformer. The program accounts for nonlinear temperature and magnetic field dependent material properties, geometry, and driving frequency.
The program, HT-MAG, is based on a series of derived magnetic field equations. The Ritz method is applied to the magnetic and thermal equations in the development of the program. The program alternately solves the finite element approximations to the thermal and magnetic governing equations until the magnetic properties match within a specified fraction or a maximum number of iterations are performed. In addition, the program can be linked with existing pre- and post-processors or can accept manual pre- and post-processing.
Six test cases were run to test the validity of the program. The first two cases tested the uncoupled heat transfer calculations. One of these tested the thermal conduction calculations while the other tested the heat generation calculations. The next two cases tested the uncoupled magnetic equations. The first was a direct current (DC) case, while the second was an alternating current (AC) case. The final two cases tested the thermal magnetic coupling. Solutions to these cases are presented and discussed.
Master of Science
Pilkey, Deborah F. "Computation of a Damping Matrix for Finite Element Model Updating." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/30453.
Повний текст джерелаPh. D.
Deserranno, Dimitri. "A Multi-Scale Finite Element Model of the Cardiac Ventricles." Case Western Reserve University School of Graduate Studies / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=case1148984314.
Повний текст джерелаBaker, Edward Michael. "A finite element model of the Earth's anomalous gravitational potential /." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487588249823203.
Повний текст джерелаBahadursha, Venkata Rama Lakshmi Preeethi. "Tearing of Styrene Butadiene Rubber using Finite Element Analysis." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1431029910.
Повний текст джерелаGreening, Paul David. "Dynamic finite element modelling and updating of loaded structures." Thesis, University of Bristol, 1999. http://hdl.handle.net/1983/5f23c082-ba8b-4860-a81d-ca5e507fd632.
Повний текст джерелаGolshayan, Maryam. "A study of internal defibrillation efficacy using finite element analysis: a 3D isotropic finite element model of the myocardium electric fields." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=18790.
Повний текст джерелаLa fibrillation ventriculaire (FV) est un état dans lequel la cavité inférieure du coeur montre une motion asynchrone et chaotique, empêchant le coeur de pomper le sang et l'oxygène au corps. La FV est considérée comme un arrêt cardiaque soudain, responsable de la mort subite de 300,000 personnes chaque année aux Etats-Unis. Afin d'inverser cette condition mortelle, le recours le plus efficace est la délivrance d'un choc électrique directement au niveau du coeur à l'aide d'un Défibrillateur Cardioverteur Implantable (DCI). Le principal problème de l'utilisation des DCIs est le placement des électrodes défibrillateurs pour permettre au courant d'être conduit optimalment à travers du muscle cardiaque, en particulier, le myocarde ventriculaire gauche. Selon l'hypothèse de la masse critique, la défibrillation sera réussi quand 75% du tissu de myocarde est inactivé par le choc de défibrillation. Le seuil de défibrillation ou la tension efficace minimale exigée pour donner des résultats réussis est suggéré d'être liés à la distribution du gradient de la tension myocardique, toutefois, il n'a pas été mesurée. En outre, le but est de maintenir le seuil de défibrillation aussi bas que possible pour essayer de maximiser le succès de la défibrillation, réduire au minimum le risque des dommages de myocarde et des arythmies cardiaques provoqués par des chocs à haute intensité, et aussi permettre de réduire la taille de la batterie ainsi que prolonger la durée de la vie utile du dispositif. De diverses techniques numériques ont été utilisées pour modeler le coeur afin de résoudre les équations régissant requises pour obtenir la distribution de gradient de la tension myocardique pendant la défibrillation. La méthode des éléments finis (FEM) a été d'intérêt particulier car elle peut gérer les domaines irréguliers, les hétérogénéité de matériel, et les conditions aux limites complexe de problèmes dans la bioélec
Ho, Johnson. "Generation of Patient Specific Finite Element Head Models." Doctoral thesis, Stockholm : Teknik och hälsa, Technology and Health, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9585.
Повний текст джерелаConradie, Johan. "Finite Element Modelling of Off-Road Tyres." Diss., University of Pretoria, 2014. http://hdl.handle.net/2263/45957.
Повний текст джерелаDissertation (MEng)--University of Pretoria, 2014.
tm2015
Mechanical and Aeronautical Engineering
MEng
Unrestricted
DeGregory, Christopher P. "Finite element model updating and damage detection using artificial boundary conditions." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA361817.
Повний текст джерела"March 1999". Thesis advisor(s): Joshua H. Gordis. Includes bibliographical references (p. 77). Also available online.
Ozturk, Murat. "Finite Element Structural Model Updating By Using Experimental Frequency Response Functions." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610608/index.pdf.
Повний текст джерелаFeng, Fan. "Flutter Analysis of Stonecutters Cable-stayed Bridge using Finite Element Model." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32470.
Повний текст джерелаIvanov, Alexander A. "Development, validation and clinical application of finite element human pelvis model." Connect to full text in OhioLINK ETD Center, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=mco1213734675.
Повний текст джерела"In partial fulfillment of the requirements for the degree of Master of Science in Biomedical Sciences." Title from title page of PDF document. Bibliography: p. 96-109.
Jessee, J. Patrick. "A coupled thermal-magnetic finite element model for high frequency transformers." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-12172008-063409/.
Повний текст джерелаPaul, Van Emburg David. "Finite element model of a capacitive transducer for measuring surface motion." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/17553.
Повний текст джерелаCarnell, Peter Hamilton. "A finite element model for estimating mechanical properties of the cornea." Thesis, Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/17946.
Повний текст джерелаYassi, Hocine. "Finite element model for the two dimensional spatial spread of rabies." Thesis, Bangor University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318087.
Повний текст джерелаVan, Dyke Gregory G. "Parametric study of a finite element model of the sidewinder missile." Thesis, Monterey, California. Naval Postgraduate School, 1993. http://hdl.handle.net/10945/26686.
Повний текст джерела