A new boundary element method (BEM) formulation has been developed for the computation of 3D eddy currents in both magnetic and conductive regions. The modified magnetic vector potential A^∗ in the active regions and the reduced magnetic scalar potential φ in the air are used as unknown variables. The formulation is limited to low‐frequency magneto‐harmonic problems associated to linear, homogeneous, isotropic, and simply‐connected regions. In such a configuration, it leads to accurate results with a reduced number of degrees of freedom located on a surface mesh delimiting the air/material interface.

中文翻译：

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通过BEM使用修正的磁矢量电势和减小的磁标量电势计算3D涡流

已经开发了一种新的边界元方法（BEM）公式，用于计算磁性和导电区域中的3D涡流。有源区域中的修正磁矢量电势A ^∗和空气中减小的磁标量电势φ被用作未知变量。该公式仅限于与线性，均质，各向同性和简单连接区域相关的低频磁谐波问题。在这样的配置中，它以减少限制空气/材料界面的表面网格上的自由度的数量导致了准确的结果。