Thermoplasticity as a nonsmooth phenomenon
Fran\c{c}ois Demoures
TL;DR
This paper introduces a multisymplectic framework to model elastoplastic phenomena involving abrupt changes in deformation and entropy, providing a new mathematical approach to nonsmooth thermoplastic behavior.
Contribution
It develops a novel multisymplectic formulation for nonsmooth elastoplasticity, capturing jump phenomena in deformation and entropy evolution.
Findings
Multisymplectic formulation for nonsmooth elastoplasticity
Modeling of jump discontinuities in deformation and entropy
Foundation for advanced numerical methods
Abstract
This paper develops the multisymplectic formulation of nonsmooth elastoplastic phenomena, where the plastic deformation and the associated thermodynamic entropy evolve by jumps.
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Taxonomy
TopicsElasticity and Material Modeling · Elasticity and Wave Propagation · Composite Material Mechanics