Parallel Computing of BEM by Domain Decomposition with Conjugate Gradient Method.

In this paper, we propose parallel computing of BEM analysis by domain decomposition with conjugate gradient method (CG method) which have been widely applied to parallel computing of finite element method. The CG method is introduced for renewal of unknowns on the fictitious boundary in place of Schwarz method, which makes possible for determination of a parameter required in the renewal iteration automatically. This results in decrease of the load for users in setting and tunning of a parameter. We apply the proposed scheme to the elastic and potential examples and examine the convergency of solutions, the parallel computing efficiency on workstation cluster system connected by LAN.