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Progressive damage and quasibrittle solids

Abstract : We present a model of material degradation relying upon a local damage law supplemented by convex constraints. This results in a damage model with bounded variation that is shown to share the same features of the so-called Thick Level Set approach. Unlike the original model, in the present formulation the level set-based representation is abandoned in favor of an implicit description of damaged regions, whereby one arrives at a non-local Generalized Standard Model with convex constraints. The solution of a one-dimensional problem demonstrate the capabilities of the proposed approach when simulating initiation and growth of damage in quasi-brittle materials.
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https://hal.archives-ouvertes.fr/hal-02388273
Contributor : Claude Stolz <>
Submitted on : Tuesday, December 1, 2020 - 11:54:39 AM
Last modification on : Monday, December 7, 2020 - 2:18:26 PM
Long-term archiving on: : Tuesday, March 2, 2021 - 6:59:16 PM

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  • HAL Id : hal-02388273, version 1

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Nunziante Valoroso, Claude Stolz. Progressive damage and quasibrittle solids. AIMETA XXIV Congresso asosiazione italina de Meccanica Teoria e applicata, Sep 2019, ROME, Italy. pp.408. ⟨hal-02388273⟩

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