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Meshless Radial Basis Function Method for Transient Electromagnetic Computations

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3 Author(s)
Lai, S.J. ; Inst. of Appl. Phys., Univ. of Electron. Sci. & Technol. of China, Chengdu ; Wang, B.Z. ; Duan, Y.

We propose a novel numerical method to simulate transient electromagnetic problems. The time derivatives are still tackled with the customary explicit leapfrog time scheme. But in the space domain, the fields at the collocation points are expanded into a series of radial basis functions and are treated with a meshless method procedure. Our method solves numerically Maxwell's equations with various assigned boundary conditions and current source excitation. Furthermore, the numerical stability condition of our method is obtained through a one-dimensional (1-D) wave equation and thus the relationship between control parameters is accounted for. To verify the accuracy and effectiveness of the new formulation, we compare the results of the proposed method with those of the conventional finite-difference time-domain method through a 1-D case study with different boundary conditions.

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Magnetics, IEEE Transactions on  (Volume:44 ,  Issue: 10 )