Variational principles and finite element method for stress analysis of porous media
作者:
N. C. Huang,
A. A. Szewczyk,
Y. C. Li,
期刊:
International Journal for Numerical and Analytical Methods in Geomechanics
(WILEY Available online 1990)
卷期:
Volume 14,
issue 1
页码: 1-26
ISSN:0363-9061
年代: 1990
DOI:10.1002/nag.1610140102
出版商: John Wiley&Sons, Ltd
数据来源: WILEY
摘要:
AbstractA number of variational principles are established in this paper for the stress analysis of porous media with compressible constituents. A three‐dimensional finite element method is proposed based on the variational principle. The finite element method thus established is applied to the study of the temperature, deformation and flow field associated with the water‐flood technique in secondary recovery projects for oil exploration. In the study model, the layout of injection wells and production wells is considered to have a regular pattern where symmetry conditions exist. The injection fluid diffuses slowly into the formation through a vertical crack which is initially generated by an explosion. The problem is analysed by a plane strain formulation with the effects of heat conduction and convection inclu
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