Comparison of different decompositions of strain using exact solution of elastoplasticity for large strains

Vladimir A. Palmov; Erwin Stein

doi:10.1117/12.517966

10 October 2003 Comparison of different decompositions of strain using exact solution of elastoplasticity for large strains

Vladimir A. Palmov, Erwin Stein

Author Affiliations +

Proceedings Volume 5127, Sixth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2003) https://doi.org/10.1117/12.517966
Event: Sixth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 2002, St. Petersburg, Russian Federation

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.

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Vladimir A. Palmov and Erwin Stein "Comparison of different decompositions of strain using exact solution of elastoplasticity for large strains", Proc. SPIE 5127, Sixth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (10 October 2003); https://doi.org/10.1117/12.517966

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