Interaction of Elastic Waves with Axisymmetric Cavities in a Half Space: A Combined Finite Element-Boundary Integral Approach

by R. Paskaramoorthy, Univ of Manitoba, Winnipeg, Canada,
A. H. Shah, Univ of Manitoba, Winnipeg, Canada,
S. K. Datta, Univ of Manitoba, Winnipeg, Canada,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond


A hybrid numerical method is presented to investigate the interaction of elastic waves with axisymmetric cavities on the surface of a half space. In this method the near field which consists of the cavity and a small region surrounding it is modelled by finite elements. The far field is modelled by a direct boundary integral procedure. Numerical results are presented to demonstrate the accuracy of the method.

Subject Headings: Finite element method | Numerical methods | Cavitation | Seismic waves | Elastic analysis | Boundary element method | Axisymmetry

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