Variational Formulation of Dynamics of Fluid-Saturated Porous Elastic Solids

by Jamshid Ghaboussi, Staff Engr.; Agbabian Assoc., Los Angeles, CA,
Edward L. Wilson, Assoc. Prof. of Civ. Engrg.; Univ. of California, Berkeley, CA,

Serial Information: Journal of the Engineering Mechanics Division, 1972, Vol. 98, Issue 4, Pg. 947-963

Document Type: Journal Paper


Biot's theory of acoustic propagation in saturated porous elastic media has been used to systematically develop a Gurtin type variational principle which has been discretized by the finite element idealization. The resulting matrix equations of motion have been integrated in time by a general step-by-step integration scheme.

Subject Headings: Fluid dynamics | Elastic analysis | Porous media | Solid mechanics | Equations of motion | Matrix (mathematics) | Finite element method

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