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Shock and Vibration
Volume 1, Issue 1, Pages 3-14
http://dx.doi.org/10.3233/SAV-1993-1102

A New Algorithm for the Coupled Soil–Pore Fluid Problem

O.C. Zienkiewicz,1 Maosong Huang,2 Jie Wu,1 and Shiming Wu2

1Department of Civil Engineering, University College of Swansea, Swansea SA2 8PP, UK
2Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China

Copyright © 1993 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Two new semiexplicit algorithms for the coupled soil–pore fluid problem are developed in this article. The stability of the new algorithms is much better than that of the previous algorithm. The first new scheme (H*-scheme) based on operator splitting before spatial discretization can avoid the restriction of mixed formulation in the incompressible (zero permeability) limit. The steady-state formulation is discussed to verify this argument. Several examples illustrate the article.