弹性性能退化的饱和流体多孔介质的本构建模

Poromechanics V : proceedings of the fifth Biot Conference on Poromechanics, July 10-12, 2013, Vienna, Austria. Biot Conference on Poromechanics (5th : 2013 : Vienna, Austria) Pub Date : 2020-12-17 DOI:10.1201/9781003078487-25

E. Rizzi, B. Loret

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引用次数: 0

摘要

提出了将非弹性流体饱和多孔介质视为两相混合物的理论本构模型。材料方程在结构上表现为线弹性，但考虑了非弹性，即累进扩散损伤引起的能量耗散。并引起两相混合物的视割线刚度模量的退化。

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Constitutive modeling of fluid-saturated porous media with degrading elastic properties

We present a theoretical constitutive model for inelastic fluid-saturated porous media treated as mixtures with two phases. The material equations appear linear elastic in structure, but inelasticity, namely energy dissipation due to progressive diffused damage, is taken into account. and induces degradation of the apparent secant stiffness moduli of the two-phase mixture.

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来源期刊

Poromechanics V : proceedings of the fifth Biot Conference on Poromechanics, July 10-12, 2013, Vienna, Austria. Biot Conference on Poromechanics (5th : 2013 : Vienna, Austria)

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