Title :
Dual formulations of a hybrid FEM/MOM method for nonlinear analysis [of EM fields]
Author :
Musolino, A. ; Raugi, M.
Author_Institution :
Dipt. Sistemi Elettrici ed Autom., Pisa Univ., Italy
fDate :
5/1/1999 12:00:00 AM
Abstract :
Hybrid FEM/MOM methods use the equivalence theorem to transform the actual problem into equivalent problems in the exterior and interior regions. In this paper, dual edge element differential formulations in terms of two-component vector potentials are used to solve the interior problem. In the exterior problem, the method of moments (MOM) has been used. A nonlinear matrix equation for the problem solution is obtained by forcing the continuity of the actual tangential electric and magnetic fields on the boundary of the nonlinear solid bodies. Two-dimensional numerical results are used to show the characteristics of the method
Keywords :
eddy currents; electromagnetic field theory; finite element analysis; method of moments; 2-D numerical results; dual edge element differential formulations; equivalence theorem; exterior problem; hybrid FEM/MOM methods; interior problem; method characteristics; method of moments; nonlinear EM field analysis; nonlinear matrix equation; nonlinear solid bodies; two-component vector potentials; Conducting materials; Differential equations; Electromagnetic analysis; Electromagnetic fields; Magnetic fields; Magnetic materials; Message-oriented middleware; Nonlinear equations; Shape; Vectors;
Journal_Title :
Magnetics, IEEE Transactions on
