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Reference Code: 904-47

Volume 3, Number 2, 01 Dec 2011

Paper Type: Original Research Paper

Subjects: Sub Subject

Study of Dynamic Infinite Element Used for Soil Structure Interaction


Starting from two-dimensional (2D) equations of motion, discretized formulations for transient behavior of soil-structure interaction problems have been derived. Two different dynamic infinite elements taking into account single and two-wave types are presented in transformed space. By coupling the infinite elements with standard finite elements, an ordinary finite element procedure is used for simulation of wave propagation in an unbounded foundation due to external forces.

Authors: Anand M. Gharad , R. S. Sonparote

Keywords: Dynamic Infinite element, Finite element method, Soil structure interaction


Durbin, F. (1974), “Numerical inversion of Laplace transforms: An efficient improvement to Dubner and Abate’s method”, Composite Journal, Vol.17, Pages 371-376.
Stehmeyer III, E.H. and Rizos, D.C. (2006), “B-spline impulse response functions (BIRF) for transient SSI analysis of rigid foundations”, Soil Dynamics and Earthquake Engineering, Vol.26, Pages 421–434.
Yerli, H.R., Temel, B. and Kiral, E. (1998), “Transient infinite elements for 2D soil-structure interaction analysis” Journal of Geotechnical and Geoenvironmental Engineering, Vol.124, No.10, Pages 976-988.
Rizos D.C. (1993), “Advanced time domain boundary element method for general 3-D elastodynamic problems”, PhD Dissertation, Department of Civil Engineering, University of South Carolina, SC., USA.

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