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Iterative Solutions of Hybrid Integral Equations for Coexisting Open and Closed Surfaces

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2 Author(s)
Ergul, Ozgur ; Dept. of Electr. & Electron. Eng., Bilkent Univ., Ankara ; Gurel, L.

We consider electromagnetics problems involving composite geometries with coexisting open and closed conductors. Hybrid integral equations are presented to improve the efficiency of the solutions, compared to the conventional electric-field integral equation. We investigate the convergence characteristics of iterative solutions of large composite problems with the multilevel fast multipole algorithm. Following a thorough study of how the convergence characteristics depends on the problem geometry, formulation, and iterative solvers, we provide concrete guidelines for efficient solutions.

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Antennas and Propagation, IEEE Transactions on  (Volume:57 ,  Issue: 6 )