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A multi-step iteration scheme is implemented and shows great improvement over the brute-force iteration scheme. The new iteration scheme is physics-driven and works very well when the loop and tree basis are decoupled.
At low frequencies, loop-tree decomposition is necessary for surface integral equation method. A new loop-loop interaction scheme is implemented to obviate the need for static subtraction. For multi-region problems, in each region, a mixed-particle (mixed basis) scheme is implemented so that only one tree is necessary. To further reduce the cost, a new arrangement of radiation/receiving patterns is...
In recent years, left-handed materials (LHMS) have been a hot and debated research topic. Electromagnetic simulation is usually performed for prediction as well as for design. The stability of the surface integral equation method through an insightful and rigorous procedure is analysed. The conclusion is that the PMCHWT formulation at perfectly matched LHM-RHM interface has stability problem, which...
An overview of computational electromagnetics and its recent trends are given. Fast integral equation solvers, and its recent progress in handling multi-scale complex structures will be illustrated. Some numerical examples will be shown.
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