Multiphase flow in deforming porous material

B. A. Schrefler

doi:10.1002/nme.953

Multiphase flow in deforming porous material

B. A. Schrefler

Houston Methodist

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

A model for mechanical behaviour of saturated-unsaturated porous media is presented within the framework of thermodynamics of irreversible processes. It includes interfaces with thermodynamic properties between the constituents. The necessary balance equations are derived using averaging theories. Restrictions on the form of the constitutive equations are obtained by exploiting the entropy inequality according to the Coleman-Noll procedure. A particular form of the governing equations is then solved numerically. The validation of the model proposed through a comparison between experimental and numerical results and an application example concerning a tunnel fire conclude the paper.

Original language	English (US)
Pages (from-to)	27-50
Number of pages	24
Journal	International Journal for Numerical Methods in Engineering
Volume	60
Issue number	1
DOIs	https://doi.org/10.1002/nme.953
State	Published - May 7 2004

Keywords

Effective stresses
Multiphase
Porous material

ASJC Scopus subject areas

Engineering (miscellaneous)
Applied Mathematics
Computational Mechanics

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10.1002/nme.953

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AB - A model for mechanical behaviour of saturated-unsaturated porous media is presented within the framework of thermodynamics of irreversible processes. It includes interfaces with thermodynamic properties between the constituents. The necessary balance equations are derived using averaging theories. Restrictions on the form of the constitutive equations are obtained by exploiting the entropy inequality according to the Coleman-Noll procedure. A particular form of the governing equations is then solved numerically. The validation of the model proposed through a comparison between experimental and numerical results and an application example concerning a tunnel fire conclude the paper.

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Multiphase flow in deforming porous material

Abstract

Keywords

ASJC Scopus subject areas

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