JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
Fracture & Fatigue
Integral Equations for a Planar Crack Subjected to Arbitrary Loadings in a Fluid-Filled, Poroelastic, Infinite Solid
Isao TAGUCHITsuyoshi GANBEMichio KURASHIGE
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2001 Volume 44 Issue 2 Pages 291-300

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Abstract

Integral equations are derived for a planar crack of arbitrary shape, subjected to both normal and shear tractions as well as fluid pressure, in an infinite, fluid-saturated, poroelastic, isotropic solid. The obtained equations relate the surface tractions and fluid pressure on crack surfaces to relative crack-surface displacements and leak-off flux into the porous medium. It is intended to implement the equations in a 3D simulator of hydraulic fracturing in oil reservoirs. Some discussions are given on reduction of the present solutions to the known ones as special cases and to pure shear mode solutions; it is found that the poroelastic effect does not disappear even for the pure shear mode.

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© 2001 by The Japan Society of Mechanical Engineers
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