Analysis of Large-Scale EM Scattering Using the Parallel Characteristic Basis Function Method

Abstract

It is crucial to overcome the limitation of the computer capacity in analyzing the electromagnetic (EM) scattering from electrically large objects. The characteristic basis function method (CBFM) is a novel approach to solve this problem. In this paper, a more efficient method is presented by combining CBFM with the parallel technique. The matrix used in CBFM is rearranged to be suitable for parallel process. The parallel CBFM is applied to analyze the electromagnetic scattering feature of 3-D objects. The obtained results confirm the accuracy and efficiency of the proposed method in speeding up the RCS calculation of large scale objects.

Parallel adaptively modified characteristic basis function method based on static load balance

“…A kind of parallel CBFM has been proposed in Ref. [12], but this method has two disadvantages: firstly, the geometry of object is divided into P blocks, where P is the number of nodes in the parallel system. When we deal with very big problems, each block maybe still very large that one node cannot handle conventionally.…”