期刊
TRANSPORT IN POROUS MEDIA
卷 70, 期 3, 页码 427-450出版社
SPRINGER
DOI: 10.1007/s11242-007-9107-6
关键词
nonlinear pore-fluid flow; deformation-dependent permeability; anisotropic permeability; finite deformations; permeability experiments; polyurethane foam; 3-d finite element simulation
The present paper proposes a thermodynamically consistent Forchheimer-type filter law for application in macroscopic porous media theories. The constitutive flow equation is thereby capable of describing the essential nonlinearities during 3-d fluid percolation through deformable porous solids. In particular, tortuosity effects, anisotropic properties, and the indispensable influence of finite distortions of the interconnected pore space are accounted for. However, the common shape of a Darcy-type relation is retained by assigning all nonlinearities to a general permeability tensor. Finally, to show the validity and applicability of the proposed formulation, the filter law is correlated with the data of permeability experiments on a high-porosity polyurethane foam and is used in a 3-d finite element analysis to simulate the pneumatic damping properties of the material.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据