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Investigation of a Boundary Integral Equation {mbi n} \times {mbi H} = {mbi J}_{s} on Torus-Shaped Perfect Conductors

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1 Author(s)
Sugahara, K. ; Mitsubishi Electr. Corp., Hyogo

We have found that a boundary integral equation n times H = Js results in an inaccurate solution on torus-shaped perfect conducting surfaces. Although, constraining a boundary condition n times H = Js automatically satisfies E x n = 0 on a closed polyhedron-shaped conductor, there exists a solution which only satisfies the boundary condition n times H = Js but not the other boundary condition E times n = 0 on a torus-shaped conductor. We have introduced a virtual magnetic current Ms in the system equation as another degree of freedom and employed E times n = 0 at one point on the perfect conducting surface so as to obtain the accurate solution. To verify the proposed discussion, we have formulated an axially-symmetric method of moments based on n times H = Js and compared with other electromagnetic field solvers.

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Antennas and Propagation, IEEE Transactions on  (Volume:56 ,  Issue: 3 )