3-D TIME-DOMAIN BEM ANALYSIS WITH ANIMATED GRAPHICS

The intense computational requirements of a time domain solution of 3- D elastodynamic problems based on the boundary element method (BEM) ha ve limited its implementation to main frame computers. In this work a simplified 3-D direct time domain BEM is described along with a 3-D in teractive animated graphics code custom made to accompany the above BE M analysis. The simplifications introduced make its use efficient and accurate even in a microcomputer environment. Representative numerical results from the dynamic interaction of a rigid square machine founda tion with an elastic half space are presented.