SPH approach for simulating hydro-mechanical processes with large deformations and variable permeabilities |
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| Authors: | M Gholami Korzani S A Galindo-Torres A Scheuermann D J Williams |
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| Institution: | 1.School of Civil Engineering,The University of Queensland,St Lucia, Brisbane,Australia;2.School of Engineering,University of Liverpool,Liverpool,UK |
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| Abstract: | A simulation framework based on Smoothed Particle Hydrodynamics (SPH) is introduced to model problems involving the interaction between flowing water and soil deformation. Changes in soil porosity and associated permeability are automatically adjusted within this framework. The framework’s capabilities are presented and discussed for three geotechnical problems caused by flowing water. The comparison between simulation results and experiments shows that SPH with the proposed concept is capable of quantitatively simulating the hydro-mechanical processes beyond limit state with satisfactory agreement. To improve the computational stability, a correction procedure and a new algorithm for the selection of the optimal time step are introduced. |
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