In this paper finite element discretization equation of 3D eddy current proble s is deduced by means of the weighted residual method making the equation clear in concept, convenient in expression and simple in calculation.

• 本文应用加权余量法推导了三维涡流场的有限元离散化方程,使得三维涡流场的有限元方程表达方便,概念清楚,计算较为简捷。