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Stress-induced permeability evolution in a quasi-brittle geomaterial

机译:准脆性岩土中应力诱导的渗透性演化

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[1] This paper presents the application of a computational homogenization technique to examine the stress-induced permeability evolution in a quasi-brittle material susceptible to damage. The concepts involved in the constitutive modeling and the computational procedures are summarized. The developments are applied to investigate the response of the model in simulating experimental investigations of permeability evolution in a granitic rock. The influence of both the isotropic and the deviatoric stress states on the evolution of the spatially averaged permeability is derived from the computational simulations and is compared with experimental observations. It is shown that with the provision of supplemental material parameters the computational approach is able to satisfactorily match the experimental results.
机译:[1]本文介绍了一种计算均质化技术的应用,以检查在易损坏的准脆性材料中应力诱导的渗透性演变。总结了本构模型和计算过程中涉及的概念。在模拟花岗岩岩渗透性演化的实验研究中,该开发成果用于研究模型的响应。各向同性和偏应力状态对空间平均渗透率演变的影响都来自计算模拟,并与实验观察结果进行了比较。结果表明,通过提供补充材料参数,该计算方法能够令人满意地匹配实验结果。

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