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Development of coupled numerical model for simulation of multiphase soil

  • In this paper, a coupled multiphase model considering both non-linearities of water retention curves and solid state modeling is proposed. The solid displacements and the pressures of both water and air phases are unknowns of the proposed model. The finite element method is used to solve the governing differential equations. The proposed method is demonstrated through simulation of seepage test and partially consolidation problem. Then, implementation of the model is done by using hypoplasticity for the solid phase and analyzing the fully saturated triaxial experiments. In integration of the constitutive law error controlling is improved and comparisons done accordingly. In this work, the advantages and limitations of the numerical model are discussed.

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Author:K. Edip, V. Sesov, Christoph ButenwegORCiD, J. Bojadjieva
DOI:https://doi.org/10.1016/j.compgeo.2017.08.016
ISSN:0266-352X
Parent Title (English):Computers and Geotechnics
Publisher:Elsevier
Place of publication:Amsterdam
Document Type:Article
Language:English
Year of Completion:2018
Date of the Publication (Server):2020/05/15
Volume:96
First Page:118
Last Page:131
Link:https://doi.org/10.1016/j.compgeo.2017.08.016
Zugriffsart:bezahl
Institutes:FH Aachen / Fachbereich Energietechnik
collections:Verlag / Elsevier