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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by:
Paper 262
Three-Dimensional Coupled Finite Element Modelling and Programming of Partially Saturated Porous Media D. Muraro, C.E. Majorana and V.A. Salomoni
Department of Civil, Environmental and Architectural Engineering, University of Padua, Italy D. Muraro, C.E. Majorana, V.A. Salomoni, "Three-Dimensional Coupled Finite Element Modelling and Programming of Partially Saturated Porous Media", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 262, 2014. doi:10.4203/ccp.106.262
Keywords: coupled problem, finite element modelling, partial saturation, three-dimensions, geomaterials, numerical programming..
Summary
The aim of the work, described in this paper, is to create a three-dimensional
framework able to investigate the mechanics of partially saturated geomaterials,
such as soils and concrete. The proposed physical-mathematical approach is an
extension of an already available coupled thermo-hydro-mechanical model, suitable
for consolidation or subsidence analyses of saturated or unsaturated soils to possibly
further adapt it to concrete analysis as well, even under high temperature conditions.
This coupled formulation stems from a multiphase approach for a deforming porous
medium typical of the hybrid mixture theory. Hence an improved code
PLASCON3DPS based on this coupled formulation has been built. Some available
numerical results of benchmark tests and real case problems, obtained for two-dimensional
domains, are considered for calibration and validation of the novel
three-dimensional finite element code.
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