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Multiphase FEM Modeling of Infiltration Processes in Cohesionless Soils
Author(s) -
Schaufler A.,
Becker C.,
Steeb H.
Publication year - 2012
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.201210183
Subject(s) - infiltration (hvac) , representative elementary volume , porous medium , finite element method , continuum mechanics , porosity , geotechnical engineering , mechanics , soil water , materials science , physics , geology , thermodynamics , soil science
The aim of this work is to develop a continuum multiphase model to describe infiltration processes for cohesionless soils. For this purpose, a Representative Volume Element (RVE) is considered and described by the continuum mixture theory extended by the concept of volume fractions (Theory of Porous Media – TPM). The thermodynamically consistent TPM is a macroscopical multiphase modeling approach, extended from classical single‐phase continuum mechanics. Futhermore a 1‐dim example for an infiltration problem is presented. (© 2012 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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