Verification of Implementation of HiSS Soil Model in the Coupled FEM–SBFEM SSI Analysis
Publication: International Journal of Geomechanics
Volume 16, Issue 1
Abstract
The scaled boundary FEM (SBFEM) has become an attractive alternative to traditional rigorous methods available for modeling the unbounded media for soil–structure interaction (SSI) analysis using the substructure method. Most of the coupled FEM–SBFEM schemes available in the literature are only for the linear-elastic SSI analysis. Very few studies have considered the nonlinearity in the near-field, and most of them have adopted elastic-perfectly plastic models to simulate the nonlinearity. In the present study, an advanced plasticity-based model known as hierarchical single surface , which is based on isotropic hardening and associated response, has been implemented in the coupled FEM–SBFEM scheme in the time domain. The HiSS model provides a general formulation for the elastoplastic characterization of the material behavior. Problems from the literature have been solved using the presently developed code, and the results have been verified, thus validating the developed code.
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Acknowledgments
The research work presented here was supported by the Institute Fellowship to the second author from the Ministry of Human Resource Development, Government of India. This support is gratefully acknowledged.
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Published In
International Journal of Geomechanics
Volume 16 • Issue 1 • February 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Sep 5, 2014
Accepted: Feb 21, 2015
Published online: Jun 18, 2015
Discussion open until: Nov 18, 2015
Published in print: Feb 1, 2016
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