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Moving‐grid finite element modelling of thermal ablation and consolidation in porous media
Author(s) -
Mackin R. J.,
Carey G. F.
Publication year - 1993
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.1620360502
Subject(s) - consolidation (business) , finite element method , porous medium , mechanics , grid , porosity , boundary value problem , thermal , fluid dynamics , materials science , geotechnical engineering , geology , engineering , structural engineering , geometry , mathematics , physics , thermodynamics , mathematical analysis , accounting , business
A moving‐grid finite element model for the analysis of thermal ablation, fluid flow and deformation in elastic porous media is presented. The model is formulated in terms of temperatures, fluid pressures and solid displacements, and takes into account a moving phase boundary. Supporting algorithms for treating the moving phase boundary and solving the coupled equations are described. The model has application to several important moving‐boundary geotechnical problems. Numerical test cases are provided for model verification and example applications corresponding to thermal ablation, consolidation and underground coal gasification are given.