Magnetic Field Analysis by a Hybrid Finite-Element-Boundary Element Method

概要

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For analyzing an electromagnetic field in 2 or 3 dimensions, a finite-element method and a boundary-element method are widely used. The finite-element method has the advantages of producing a sparse matrix and being relatively well adapted to deal with nonlinearities. It has the disadvantages of requiring a large number of equations especially for 3 dimensional analysis and not being easily suited to deal with open boundary problems. The boundary-element method, on the other hand, results in fewer equations but a full matrix. It is not easily adapted to handle nonlinearities but is well suited to open boundary problems. A third method which utilizes the advantages of both methods was proposed as a "hybrid method" and is mainly applied to open space problems. In this paper, closed space problems concerning magnetic shield problems and eddy current problems were analyzed by the hybrid method.
一般社団法人日本機械学会の論文
1995-01-15