New variants of the multisurface theory of plasticity: comparison with the experimental data

Igor N. Izotov; Nikolay P. Kuznetsov; Boris E. Melnikov; Arkadiy G. Mityukov; Andrey Yu. Musienko

doi:10.1117/12.375456

25 January 2000 New variants of the multisurface theory of plasticity: comparison with the experimental data

Igor N. Izotov, Nikolay P. Kuznetsov, Boris E. Melnikov, Arkadiy G. Mityukov, Andrey Yu. Musienko

Proceedings Volume 4064, Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2000) https://doi.org/10.1117/12.375456
Event: Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 1999, St. Petersburg, Russian Federation

Abstract

A modification of the multisurface theory of plasticity with one active surface of equal plastic compliances was executed. While the modification a character of a loading path was taken into consideration. The constitutive equation give the possibility to make a prediction calculations when either loading or strain path (in whole strains) is known. Also the modification of structural model was executed. The predictions of theories were compared with test results (both authors' and known from publications) of two-parameter loading on steel and copper tubular specimens. The calculations using one surface theory of plasticity with kinematical hardening were also made. Last results were in worse agreement with experimental data than the other theories predictions.

Citation Download Citation

Igor N. Izotov, Nikolay P. Kuznetsov, Boris E. Melnikov, Arkadiy G. Mityukov, and Andrey Yu. Musienko "New variants of the multisurface theory of plasticity: comparison with the experimental data", Proc. SPIE 4064, Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (25 January 2000); https://doi.org/10.1117/12.375456

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