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Proceedings Paper

Comparison of different decompositions of strain using exact solution of elastoplasticity for large strains
Author(s): Vladimir A. Palmov; Erwin Stein
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Paper Abstract

Different decompositions of large elastoplastic strain on elastic and plastic parts of thermodynamically consistent equations of elastoplasticity are under consideration. It is shown that the values of plastic strains depend on the method of decomposition of elastoplastic strain even for fixed constitutive equations of plasticity and elasticity. Difference of above mentioned plastic strains is investigated analytically and numerically for Mooney elasticity and associate Mises plasticity for special strain: incompressible plane shear and three axial extension.

Paper Details

Date Published: 10 October 2003
PDF: 14 pages
Proc. SPIE 5127, Sixth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (10 October 2003); doi: 10.1117/12.517966
Show Author Affiliations
Vladimir A. Palmov, St. Petersburg State Technical Univ. (Russia)
Erwin Stein, Univ. Hannover (Germany)


Published in SPIE Proceedings Vol. 5127:
Sixth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering
Alexander I. Melker, Editor(s)

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