An instability condition of the deformation process in elasto-(visco)-nonlinear materials

DOI10.1016/S0093-6413(98)00057-3zbMath0980.74009WikidataQ126977201 ScholiaQ126977201MaRDI QIDQ1977283

Jean-Luc Hanus, Vincent Keryvin, Thierry Désoyer

Publication date: 26 July 2000

Published in: Mechanics Research Communications (Search for Journal in Brave)

zbMATH Keywords

potentialstrainrelaxation timefree energyinternal variablesstressconstitutive lawsyield functionthermodynamic forcespseudo-potentialrate-dependent modelsresistance coefficientpseudo-acoustic tensorrate-independent modelsstress divergenceirreversible behaviourlinear damage termprogressive localizationpseudo-visco-nonlinear factorreversible behavioursmall linear harmonic perturbationstability anlaysistime-perturbation parameter

Mathematics Subject Classification ID

Small-strain, rate-dependent theories of plasticity (including theories of viscoplasticity) (74C10) Anelastic fracture and damage (74R20)

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Investigation on elasto-plastic constitutive model coupled with damage for localization phenomena

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