A Direct Time Domain BEM-FEM Scheme For Soil-structure
Inteaction Problems
Author(s)
D. C. Rizos, J. Wang and D. L. Karabalis
Abstract
A direct time domain BEM-FEM scheme for
soil-structure interaction problems
D.C. Rizos', J. Wang^ and D.L. Karabalis^
^Department of Civil Engineering, University of South Carolina, USA.
^Engineering Department, City of Kansas City, USA.
^Department of Civil Engineering, University ofPatras, Greece.
Abstract
A computational scheme coupling the Boundary Element and the Finite Element
methods in direct time domain is presented. The proposed approach is
specialized for the solution of 3-D dynamic soil-structure interaction problems.
The BEM, in conjunction with the B-spline fundamental solutions, is employed
for the representation of the semi-infinite soil region. The time domain solution
of this region is obtained in two steps: first, the B-spline impulse response is
obtained and, subsequently, the response to arbitrary excitations is computed by
an appropriate superposition of the impulse responses. The FEM is used for the
representation of the structural component. Two well-kn
Keywords
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