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Iterative solution of composite problems with the combined-field integral equation

2006-09-15
Ergül, Özgür Salih
Gurel, Levent
We consider the solution of electromagnetic problems related to microwave applications involving composite geometries with coexisting open and closed conductors. Combined-field integral equation is introduced on the closed parts of the geometry to improve the iterative solutions. It is demonstrated that the convergence rates are significantly increased compared to the conventional formulation with the electric-field integral equation.