Application of the orthogonality principle to the endochronic and Mroz models of plasticity

TL;DR

This paper introduces a novel formulation of the endochronic and Mroz plasticity models using pseudo-potentials and generalized normality, emphasizing the dependence on state variables for improved theoretical description.

Contribution

It presents a new pseudo-potential-based approach for endochronic and Mroz models, incorporating state variable dependence to enhance model formulation.

Findings

New pseudo-potential formulation for plasticity models

Increased theoretical consistency with state variable dependence

Potential for improved predictive capabilities

Abstract

A new description of the endochronic and the Mroz model is discussed. It is based on the definition of a suitable pseudo-potential and the use of the generalized normality assumption. The key-point of this formulation is the dependence of the pseudo-potentials on state variables.