Subregion Boundary Element Method

Abstract

This paper concerns a new boundary element analysis approach for the object divided into subregions. In this approach, the matrix equation for each subregion derived from the boundary integral equation is transformed to an equation similar to the stiffness equation of finite element method (FEM). The global equation is made by superposition of these matrix equations, which is simple and general, while the existing approach depends on the initial boundary. The present approach is derived theoretically and is compared with the existing ones in order to indicate its features. Then, it will be applied to analysis of two-dimensional elastic and potential problems.