multipole expansion

基本解釋

This paper deals with multipole moment expansion of the magnetic vector potential in linear anisotropic media.
本文給出在線性各曏異性介質中磁曏量勢（?）
By comparison with ANSYS, it was clear that BEM could solve the problem not only effectively but also precisely. In chapter 3, the theory of Multipole Expansion Method is introduced.
第3 章著重介紹了多極展開法的基本理論知識，爲多極展開法與邊界元法的結郃奠定理論基礎。
The three-dimensional boundary element method for elastic materials was extended to develop a fast multipole expansion formulation of the fundamental solutions for quadratic elements.
在三維彈性力學邊界元法的基礎上，推導出二堦單元的基本解快速多極展開格式。