Analysis of electromagnetic scattering from combination target of BoR and arbitrary structure using non-conformal IE-DDM

Electromagnetic scattering from conducting combination target of body of revolution (BoR) and arbitrary structure is analyzed using the integral equation domain decomposition method (IE-DDM). In non-conformal IE-DDM framework, the target is divided into the BoR sub-domain and non-BoR sub-domain according to geometrical feature, where the BoR and RWG basis functions are used respectively. To realize fast computation of interaction between two sub-domains, the basis function mapping technique is used to transform the BoR basis functions into the RWG basis functions. Results obtained by the proposed approach are given to demonstrate the accuracy and efficiency of this method.