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An ancillary boundary integral equation for magnetostatic analysis

机译:静磁分析的辅助边界积分方程

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The boundary element method (BEM) has been established as an effective means for magnetostatic analysis. Direct BEM formulations for the magnetic vector potential have been developed over the past 20 years. There is a less well-known direct boundary integral equation (BIE) for the magnetic flux density which can be derived by taking the curl of the BIE for the magnetic vector potential and applying properties of the scalar triple product. On first inspection, the ancillary boundary integral equation for the magnetic flux density appears to be homogeneous, but it can be shown that the equation is well-posed and non-homogeneous using appropriate boundary conditions. In the current research, the use of the ancillary boundary integral equation for the magnetic flux density is investigated as a stand-alone equation and in tandem with the direct formulation for the magnetic vector potential.
机译:边界元法(BEM)已被确立为静磁分析的有效手段。在过去的20年中,已经开发了用于磁矢量势的直接BEM公式。对于磁通量密度,鲜为人知的直接边界积分方程(BIE)可通过将BIE的卷度作为磁矢量势并应用标量三乘积的性质来得出。初次检查时,磁通密度的辅助边界积分方程似乎是齐次的,但可以证明,在适当的边界条件下,该方程的位置正确且非齐次。在当前的研究中,辅助边界积分方程用于磁通密度的研究作为一个独立的方程式进行,并与磁矢量势的直接公式结合使用。

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