Transient Filtration in a Porous Elastic Cylinder

[+] Author and Article Information
D. E. Kenyon

Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Mass.

J. Appl. Mech 43(4), 594-598 (Dec 01, 1976) (5 pages) doi:10.1115/1.3423938 History: Received September 01, 1975; Revised December 01, 1975; Online July 12, 2010


The time-dependent filtration of liquid through the wall of a soft, porous tube can be quite unlike that of a hard, porous tube. Under conditions described, the seepage is limited to thin layers near each surface, and in one of these layers, liquid seepage proceeds in a direction opposite to the sense of the applied pressure drop across the tube wall. This occurs because it is impossible to produce isotropic contact stress in the solid if kept at constant volume by the slowness of seepage. The liquid must then bear the entire isotropic stress.

Copyright © 1976 by ASME
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