Global ETD Search

221	Extension of the ANSYS® creep and damage simulation capabilities Altstadt, Eberhard, Mössner, Thomas 31 March 2010 (has links) (PDF) The user programmable features (UPF) of the finite element code ANSYS® are used to generate a customized ANSYS-executable including a more general creep behaviour of materials and a damage module. The numerical approach for the creep behaviour is not restricted to a single creep law (e.g. strain hardening model) with parameters evaluated from a limited stress and temperature range. Instead of this strain rate - strain relations can be read from external creep data files for different temperature and stress levels. The damage module accumulates a damage measure based on the creep strain increment and plastic strain increment of the load step and the current fracture strains for creep and plasticity (depending on temperature and stress level). If the damage measure of an element exceeds a critical value this element is deactivated. Examples are given for illustration and verification of the new program modules. Creep Plasticity Finite Element Method Fortran
222	Grain boundary diffusion in thin films : a finite element analysis / Ho, Ji-Wei, January 2000 (has links) Thesis (Ph. D.)--Lehigh University, 2000. / Includes bibliographical references and vita.
223	Computational modeling of hydrogen embrittlement of iron aluminides Cisloiu, Roxana. January 2001 (has links) Thesis (M.S.)--West Virginia University, 2001. / Title from document title page. Document formatted into pages; contains vii, 93 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 71-75).
224	Simplification and error analysis for moving finite element methods / Pan, Jianhua, January 2000 (has links) Thesis (Ph.D.)--Memorial University of Newfoundland, 2001. / Bibliography: leaves 146-152.
225	Methodology for correlating experimental and finite element modal analyses on valve trains Giorelli, Massimo. January 2002 (has links) Thesis (M.S.)--Worcester Polytechnic Institute. / Keywords: correlation; modal analysis; valve train. Includes bibliographical references (p. 157-158).
226	Random search of AND-OR graphs representing finite-state models Owen, David R. January 2002 (has links) Thesis (M.S.)--West Virginia University, 2002. / Title from document title page. Document formatted into pages; contains vi, 96 p. : ill. Includes abstract. Includes bibliographical references (p. 91-96).
227	Semi-analytical complexvariable based stochastic finite element method Jin, Weiya January 2008 (has links) Thesis (Ph.D.)--University of Texas at Arlington, 2008.
228	Multilevel, subdivision-based, thin shell finite elements : development and an application to red blood cell modeling / Green, Seth. January 2003 (has links) Thesis (Ph. D.)--University of Washington, 2003. / Vita. Includes bibliographical references (p. 181-188).
229	Implementation of second-order absorbing boundary conditions in frequency-domain computations / Andrade, Prashant William, January 1999 (has links) Thesis (Ph. D.)--University of Texas at Austin, 1999. / Vita. Includes bibliographical references (leaves 218-220). Available also in a digital version from Dissertation Abstracts.
230	Stiffness factors in material efficiency for automotive application Ng, Wei Loong. January 2001 (has links) Thesis (M.S.)--Mississippi State University. Department of Mechanical Engineering. / Title from title screen. Includes bibliographical references.

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