Transient Response of a Fluid-Saturated Poroelastic Layer Subjected to a Sudden Fluid Pressure Rise

[+] Author and Article Information
M. Kurashige

Department of Mechanical Engineering II, Tohoku University, Sendai 980, Japan

J. Appl. Mech 49(3), 492-496 (Sep 01, 1982) (5 pages) doi:10.1115/1.3162487 History: Received July 01, 1981; Revised February 01, 1982; Online July 21, 2009


The transient response of a fluid-saturated poroelastic layer resting on a very porous rigid foundation and subjected to a sudden fluid pressure rise on its upper surface is analyzed on the basis of Biot’s theory of poroelasticity. Compaction of the layer and fluid outflux from its bottom surface are calculated for five typical poroelastic materials: alundum and Ohio sandstone saturated with water, compact bone, and Albany felt and polyurethane foam filled with silicone fluid. For each of these materials, the numerical results are compared with those estimated by the “incompressible model” as well as the “rigid skeleton model” in order to examine the validity of these models.

Copyright © 1982 by ASME
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