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An overlapped domain decomposition method with congruent sub-domains is developed for electromagnetic surface integral equations. Based on congruent sub-domains, the proposed method creates a set of uniform mesh such that all the self-matrices on the congruent sub-domains share an interior-interior sub-matrix, which can reduce the memory requirement and the matrix filling time, intensively, especially...
Vehicle routing problem with simultaneous delivery and pickup (VRPSDP) with strong industrial background has gained wide attention both in academic and engineering fields. A novel quantum-inspired evolutionary algorithm (QEA) with computing the rotation gate using elite mean values based on chaos theory is presented for VRPSDP. A grey binary scheme is develop for individual representation. An efficient...
In this paper, MLFMA is implemented in the IEFIE to compute scattering from complex conducting structure coated by thin dielectric material. Numerical results demonstrate the efficiency and validity of the present method.
In modern CNC machining, the interpolation of complex profile curve with high speed and high accuracy is required. Based on B spline curve theory, a revised algorithm of cubic B spline curve interpolation is presented in the paper. This proposed algorithm gives a new method which is based on pre-judgment of machining feedrate to calculate the tangent vectors of spline curve junction. The tangential...
In this paper, the loop-tree basis function combined with the precondition, namely, incomplete Cholesky (IC), is used to analyze the scattering problems from conducting objects.
In this paper, a novel improved electric field integral equation (IEFIE) is developed to achieve fast and accurate solution of electromagnetic scattering from 3-D conducting structures. By adding the principle value term of the magnetic field integral equation (MFIE) operator into the EFIE operator, a well-conditioned improved EFIE operator is constructed. To achieve a reasonable accuracy, several...
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