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Innovative absorbing-boundary conditions for the efficient FDTD analysis of transient EMP interaction problems

机译:创新的吸收边界条件,用于瞬态EMP互动问题的有效FDTD分析

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The paper deals with a modified version of the Fang-Mei's super-absorption algorithm for the truncation of three-dimensional finite-difference timedomain (FDTD) meshes combined with an innovative low pass filtered algorithm to assure numerical stability of the FDTD procedure for late time. The proposed method is usually applied to analysis of slow-decaying transient problems, such as the lightning or nuclear electromagnetic pulse interaction with a cable or complex structures. Numerical results are demonstrated the efficiency of proposed method.
机译:本文涉及一个修改版的方梅的超级吸收算法,用于截断三维有限差分时间域(FDTD)网格的截断与创新的低通滤波算法相结合,以确保用于延迟时间的FDTD程序的数值稳定性。该方法通常应用于分析慢衰减的瞬态问题,例如闪电或核电脉冲与电缆或复杂结构的相互作用。数值结果证明了所提出的方法的效率。

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