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ON BALANCE LAWS FOR FLUID-SATURATED POROUS-MEDIA
被引：4
作者：
GARG, SK
机构：
[1] S-CUBED, La Jolla, CA, USA, S-CUBED, La Jolla, CA, USA
关键词：
FLOW OF FLUIDS - Porous Materials - ROCK MECHANICS - SOIL MECHANICS;
D O I：
10.1016/0167-6636(87)90013-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The space-averaging formalism of Anderson and Jackson is employed to develop a set of balance laws for a multicomponent mixture. The interactions between the mixture components appear as surface integrals in the averaged (or macroscopic) balance laws. These balance laws are used to study the motion of a porous solid; it is shown that the formulations of Herrmann and Morland are only approximate in that both of these authors neglected the effects of microinertia. The motion of an incompressible Newtonian fluid through a rigid porous matrix is considered, and the assumptions required to recover Darcy's law are discussed. Finally the averaged balance laws are used to derive a first order theory for the motion of fluid-saturated porous media; it is shown that reasonable approximations lead to the balance laws previously derived by Garg, et al. on heuristic grounds.
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页码：219 / 232
页数：14
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