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What is Nonlinear Kinematic Hardening Model about?

The document discusses kinematic hardening models for predicting material behavior under non-proportional loading. It shows that Melan-Prager and Ziegler hardening rules only produce identical results when the initial yield surface is spherical or cylindrical. The document then proposes a nonlinear kinematic hardening function that depends on loading direction to better model behavior under reversed loading conditions. Predictions of the new model are compared to experimental data and other hardening rules.

Author

Anirudh Nehra

Language

EN