Computational Mechanics

, Volume 36, Issue 6, pp 409–420 | Cite as

Parallel Krylov methods and the application to 3-d simulations of a triphasic porous media model in soil mechanics



We introduce a general parallel model for solving coupled nonlinear and time-dependent problems in soil mechanics, where we employ general purpose linear solvers with specially adjusted preconditioners. In particular, we present a parallel realization of the GMRES method applied to a triphasic porous media model in soil mechanics, where we compute the deformation of unsaturated soil together with the pore-fluid flow of water and air in the soil. Therefore, we propose a pointwise preconditioner coupling all unknowns at the nodal points. In two large-scale numerical experiments we finally present an extended evaluation of our parallel model for demanding configurations of the triphasic model.


Parallel computing Krylov methods Theory of Porous Media Non-associated elasto-viscoplasticity 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  1. 1.Institut für Mechanik (Bauwesen)Universität StuttgartStuttgartGermany
  2. 2.Institut für Praktische MathematikUniversität KarlsruheKarlsruheGermany

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