Adaptive Mesh Generation for Two Dimensional AC Magnetic Field Analysis in Finite Element Method

Fine mesh divisions are essential to obtain accurate solutions of two dimensional AC magnetic field analysis. But it requires the technical know-how to find fine mesh divisions and moreover it is complicated to divide the analysis domain. So we have developed the adaptive mesh generator using equalization of energy variation of every element and applying the technical know-how to divide the conductor or magnetic material under consideration of the skin effect by the eddy current. And we have applied this adaptive mesh generator to the loss analysis of the infinite copper-plane, and we have obtained accurate solutions.