ISSN:
1573-1634
Keywords:
Three-field interaction problem
;
temperature field
;
flow field
;
displacement field
;
geothermal systems
;
porous media
;
elastoplastic analysis
;
partitioned solution procedure
;
fully coupled finite element models
;
nonisothermal consolidation
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
,
Technology
Notes:
Abstract A coupled finite element model for the analysis of the deformation of elastoplastic porous media due to fluid and heat flow is presented. A displacement-pressure temperature formulation is used for this purpose. This formulation results in an unsymmetric coefficient matrix, even in the case of associated plasticity. A partitioned solution procedure is applied to restore the symmetry of the coefficient matrix. The partitioning procedure is an algebraic one which is carried out after integration in the time domain. For this integration, a two-point recurrence scheme is used. The finite element model is applied to the investigation of nonisothermal consolidation in various situations.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00714690
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