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contributor authorGao, Yue
contributor authorLiu, Zhanli
contributor authorZhuang, Zhuo
contributor authorHwang, Keh-Chih
date accessioned2017-11-25T07:16:30Z
date available2017-11-25T07:16:30Z
date copyright2017/5/4
date issued2017
identifier issn0021-8936
identifier otherjam_084_05_051008.pdf
identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4234053
description abstractThe anisotropic poroelastic constitutive model is reexamined in this article. The assumptions and conclusions of previous works, i.e., Thompson and Willis and Cheng, are compared and clarified. The micromechanics of poroelasticity is discussed by dividing the medium into connected fluid part and solid skeleton part. The latter includes, in turn, solid part and, possibly, disconnected fluid part, i.e., fluid islands; therefore, the solid skeleton part is inhomogeneous. The constitutive model is complicated both in the whole medium and in the solid skeleton because of their inhomogeneity, but the formulations are simplified successfully by introducing a new material constant which is defined differently by Cheng and by Thompson and Willis. All the unmeasurable micromechanical material constants are lumped together in this constant. Four levels of assumptions used in poroelasticity are demonstrated, and with the least assumptions, the constitutive model is formulated. The number of independent material constants is discussed, and the procedures in laboratory tests to obtain the constants are suggested.
publisherThe American Society of Mechanical Engineers (ASME)
titleA Reexamination of the Equations of Anisotropic Poroelasticity
typeJournal Paper
journal volume84
journal issue5
journal titleJournal of Applied Mechanics
identifier doi10.1115/1.4036194
journal fristpage51008
journal lastpage051008-9
treeJournal of Applied Mechanics:;2017:;volume( 084 ):;issue: 005
contenttypeFulltext


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