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Loop-Tree Free Augmented Equivalence Principle Algorithm For Low-Frequency Problems, Zu Hui Ma, Li (Lijun) Jun Jiang, Weng Cho Chew
Loop-Tree Free Augmented Equivalence Principle Algorithm For Low-Frequency Problems, Zu Hui Ma, Li (Lijun) Jun Jiang, Weng Cho Chew
Electrical and Computer Engineering Faculty Research & Creative Works
In this article, we describe a newly developed integral equation domain decomposition method for solving complex low frequency electromagnetic problems. This method is based on low frequency augmented equivalence principle algorithm (EPA) with the augmented electric field integral equation (A-EFIE). The A-EFIE provides a stable solution in the low-frequency regime as it includes both charge and current as unknowns to avoid the imbalance between the vector potential and the scalar potential. Based on similar idea, the augmented EPA can suppress the projection error resulting from low-frequency problems of the normal EPA. Combining these two methods, the proposed algorithm can be …