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Virtual element formulation for isotropic damage
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DOI：10.1016/j.finel.2018.01.002.png)
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Abstract
En 中文
In the paper we present a low-order virtual element formulation for modelling the strain-softening response of quasi-brittle materials. For this purpose, a formulation in two-dimensions is considered, with virtual elements having arbitrary shape. The method is based on minimization of an incremental energy expression, with a novel construction of the stabilization energy for isotropic elasto-damage. A set of numerical examples, illustrating the efficiency of the proposed method, complements the paper.
Keywords:
VEM
Stabilization
Isotropic damage
Regularization techniques
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