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A hybrid technique to compute the surface-wave scattering of electrically large 2-D bodies with cracks by combining the current-based hybrid method and the finite element method is presented in this letter. Based on the equivalence theorem, the field scattered by a body with cracks can be divided into two parts: the scattering from the body without cracks and that from the cracks. Some numerical results have been obtained and the feasibility of the proposed methodis shown.
A hybrid technique to compute the surface-wave scattering of electrically large 2-D bodies with cracks by combining the current-based hybrid method and the finite element method is presented in this letter. Based on the equivalence theorem, the field scattered by a body with cracks can be divided into two parts: the scattering from the body without cracks and that from the cracks. Some numerical results have been obtained and the feasibility of the proposed methodis shown.