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Kinematic hardening in large elastoplastic strain

โœ Scribed by A. Dogui; F. Sidoroff

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
893 KB
Volume
21
Category
Article
ISSN
0013-7944

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โœฆ Synopsis

This work is devoted to large strain models for anisotropic hardening in elasticplastic materials. The main part of the paper deals with various large strain extensions of the Prager model (linear kinematic h~dening) within the framework of generalized standard materials. These models are derived, compared and exemplified, and it is shown that all the possible models are equivalent in triaxial situations but that they can lead to extremely different results in cases when rotation of the principal axes occurs. The extension of these ideas to more general anisotropic hardening is then discussed as a conclusion.

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