Calculating exciting fields using the fast multipole method and an integral transformation to the coil surface |
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Authors: | Groh F Beck D Hafla W Buchau A Rucker WM |
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Affiliation: | Inst. for Theor. of Electr. Eng., Stuttgart Univ., Germany; |
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Abstract: | A practicable method for computing exciting fields is presented. To avoid volume integration and meshing one uses a transformation of Biot-Savarts's law to the coil surface. In doing so, the exciting field strength is represented by a linear combination of single- and double-layer potentials. Both can be evaluated by the fast multipole method. The method is valid for a considerably class of coil geometries including race track and bedstead coils with arbitrary cross section. |
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