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Civil-Comp Proceedings
ISSN 1759-3433
ISSN 1759-3433
CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY
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Paper 245
Fully Coupled Moisture Transport in partially Damaged Materials
J. Kruis and T. Koudelka
Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Czech Republic
Full Bibliographic Reference for this paper
J. Kruis, T. Koudelka, "Fully Coupled Moisture Transport in partially Damaged Materials", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 245, 2014. doi:10.4203/ccp.106.245
Keywords: damage mechanics, moisture transport, isotropic damage model, fully coupled model, permeability..
Summary
This paper describes coupling of damage mechanics and moisture transport. Damage
mechanics is used in such cases where many micro-cracks or voids are created.
The presence of micro-cracks and voids leads to reduction of the Young's modulus but
it has also an influence on water permeability. Growing voids increases the porosity
and moisture transport is faster. The water permeability is increased for a low level
of damage. If the damage parameter is close to one, new water permeability is determined
using the Hagen-Poisseuille law. Coupled hydro-mechanical model is used in
numerical simulation of a store tank.
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