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Approche variationnelle de l'endommagement : I. Les concepts fondamentaux

Abstract : This Note is devoted to the construction of local brittle damage laws. We first justify by the Drucker–Ilyushin postulate to set their formulation within the framework of Generalized Standard Materials. Accordingly, the strain work becomes a state function whose convexity properties are directly related to the hardening or softening properties of the material. Moreover, the evolution problem can be read as a variational problem which is reinforced so that it finally contains the concepts of stability and of energy conservation.
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Contributor : Jean-Jacques Marigo Connect in order to contact the contributor
Submitted on : Tuesday, June 8, 2010 - 9:58:22 PM
Last modification on : Wednesday, December 22, 2021 - 3:25:45 AM
Long-term archiving on: : Friday, October 19, 2012 - 3:46:07 PM


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Jean-Jacques Marigo, Kim Pham. Approche variationnelle de l'endommagement : I. Les concepts fondamentaux. Comptes Rendus Mécanique, Elsevier, 2010, 338 (4), pp.191-198. ⟨10.1016/j.crme.2010.03.009⟩. ⟨hal-00490518⟩



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