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首页> 外文期刊>Computers & geosciences >Mandel-Cryer effects in fluid inclusions in damage-susceptible poroelastic geologic media
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Mandel-Cryer effects in fluid inclusions in damage-susceptible poroelastic geologic media

机译：易受损害的多孔弹性地质介质中流体包裹体的曼德尔-克雷尔效应

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摘要

A fluid inclusion is an idealized form of a defect in a geomaterial. This paper examines the development and decay of pressure within a fluid inclusion, with a spheroidal shape, located in an extended fluid saturated poroelastic medium. In the modelling of the mechanical behaviour of the poroelastic solid, attention is also focused on the possible development of stress-induced damage that can alter the elasticity and permeability characteristics of the porous skeleton. The paper develops a computational approach to the study of the spheroidal fluid inclusion problem and examines the influence of the triaxial stress state, the geometry of the inclusion and damage-induced alterations of the poroelastic response on the celebrated Mandel-Cryer effect for a poroelastic solid. This effect relates to the delayed rise and decay of the fluid pressure in a poroelastic material subjected to three-dimensional stress states.
机译：流体包裹体是土工材料中缺陷的理想形式。本文研究了位于扩展流体饱和多孔弹性介质中，呈球形的流体包裹体中压力的发展和衰减。在对多孔弹性固体的力学行为进行建模时，也将注意力集中在应力引起的破坏的可能发展上，该破坏会改变多孔骨架的弹性和渗透性。本文开发了一种计算方法来研究球状流体的包裹体问题，并研究了三轴应力状态，包裹体的几何形状以及多孔弹性响应的损伤诱导的变化对多孔弹性固体的著名的曼德尔-克雷尔效应的影响。 。这种影响与多孔弹性材料中承受三维应力状态的流体压力的延迟上升和衰减有关。

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