Large-Scale Multiple Scattering Analysis Using Fast Multipole BEM in Time-Domain.

This paper presents a new fast multipole boundary element method (FMBEM) for multiple scattering analyses in time-domain. The conventional time-domain BEM has two disadvantages: 1) The numerical instability in time stepping procedure, and 2) much computational time and memory. Our proposed method overcomes these two disadvantages using the convolution quadrature method for 1) and the fast multipole method for 2). As numerical examples, the large-scale multiple scattering of SH waves by many inclusions is conducted by the proposed method in this paper. [ABSTRACT FROM AUTHOR]