Theoretical analysis reveals modified entropy inequalities for shock solutions in hyperelastoplastic media, suggesting viable pathways to model rate-independent plastic deformation.
We propose a formulation of hyperelastoplasticity such that one can pass to the limit regime of rate-independent plasticity. It results in a family of modified entropy inequalities. A key ingredient is the Hencky logarithmic plastic tensor. A discussion of possible shock solutions is provided.
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Bruno Després (2026) studied this question.
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