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A FINITE ELEMENT DOUBLE POROSITY MODEL FOR HETEROGENEOUS DEFORMABLE POROUS MEDIA
Author(s) -
GHAFOURI HAMID R.,
LEWIS ROLAND W.
Publication year - 1996
Publication title -
international journal for numerical and analytical methods in geomechanics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.419
H-Index - 91
eISSN - 1096-9853
pISSN - 0363-9061
DOI - 10.1002/(sici)1096-9853(199611)20:11<831::aid-nag850>3.0.co;2-6
Subject(s) - porosity , porous medium , finite element method , mechanics , work (physics) , settlement (finance) , geotechnical engineering , materials science , mathematics , computer science , structural engineering , engineering , thermodynamics , physics , world wide web , payment
The mathematical base of the double porosity concept, consisting of the continuity and equilibrium equation respectively, is briefly reviewed. A quasi‐steady‐state transfer function, the so‐called leakage term , is used. Important aspects of the developed code, based on the double porosity theory, are presented together with two hypothetical example problems. The resulting trend of the settlements are compared to those from previous work and was found to be significantly different. However, the implications are that the present study exhibits a more realistic prediction for the settlement.