コンビネーション法による磁界解析の研究 : 第3報,軸対称磁場解析と磁気力計測

概要

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Coupling finite and boundary element method (combination method) was applied to axisymmetric problems using vector potentials which were convenient for the analysis of magnetic fields caused by current from inductors, solenoidal coil magnets and fusion reactors. Both closed-and open- space axisymmetric problems were considered to examine the validity of the combination method compared with theoretical and finite-element solutions. It was found that in an open-space domain, the results showed excellent agreement between combination and theoretical solutions, and in a closed domain, the combination and finite-element methods yield equivalent solutions, although the entire matrix of the former was by far smaller. In order to show the accuracy and applicability of the numerical approach, we also examined the magnetic forces around a solenoidal coil magnet. The analyzed solutions were in good agreement with the experimental data obtained using the cantilever beam theory.
一般社団法人日本機械学会の論文
1994-03-25