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U. Montag, W.B. Kraetzig, J. Soric, "On Stable Numerical Simulation Strategies for Elasto-Plastic Deformation Processes of Shell Structures", in B.H.V. Topping, (Editor), "Advances in Computational Methods for Simulation", Civil-Comp Press, Edinburgh, UK, pp 61-71, 1996. doi:10.4203/ccp.42.1.8

Abstract

The present paper introduces a highly efficient numerical simulation strategy for the analysis of elasto-plastic shell structures. An isoparametric Finite Element, based on a Finite Rotation Reissner-Mindlin shell theory in isoparametric formulation, is enhanced by a Layered Approach for a realistic simulation of nonlinear material behaviour. A general material model including isotropic hardening effects is embedded into each material point. A new, highly accurate integration scheme is combined with consistently linearized constitutive relations in order to achieve quadratic rate of convergence. A global Riks-Wempner-Wessels iteration scheme enhanced by a linear Line-Search procedure has been used to trace arbitrary deformation paths. Numerical examples show the efficiency of the present concept.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 42 ADVANCES IN COMPUTATIONAL METHODS FOR SIMULATION Edited by: B.H.V. Topping Paper I.8 On Stable Numerical Simulation Strategies for Elasto-Plastic Deformation Processes of Shell Structures U. Montag, W.B. Kraetzig and J. Soric Institute for Statics and Dynamics, Ruhr-University Bochum, Germany doi:10.4203/ccp.42.1.8 purchase the full-text of this paper Full Bibliographic Reference for this paper U. Montag, W.B. Kraetzig, J. Soric, "On Stable Numerical Simulation Strategies for Elasto-Plastic Deformation Processes of Shell Structures", in B.H.V. Topping, (Editor), "Advances in Computational Methods for Simulation", Civil-Comp Press, Edinburgh, UK, pp 61-71, 1996. doi:10.4203/ccp.42.1.8 Abstract The present paper introduces a highly efficient numerical simulation strategy for the analysis of elasto-plastic shell structures. An isoparametric Finite Element, based on a Finite Rotation Reissner-Mindlin shell theory in isoparametric formulation, is enhanced by a Layered Approach for a realistic simulation of nonlinear material behaviour. A general material model including isotropic hardening effects is embedded into each material point. A new, highly accurate integration scheme is combined with consistently linearized constitutive relations in order to achieve quadratic rate of convergence. A global Riks-Wempner-Wessels iteration scheme enhanced by a linear Line-Search procedure has been used to trace arbitrary deformation paths. Numerical examples show the efficiency of the present concept. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £66 +P&P)
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