Calderón稳定的时域积分方程求解器

F. Andriulli, K. Cools, F. Olyslager, E. Michielssen
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引用次数: 4

摘要

在本文中,我们提出了在基于时间的时域积分方程(MOT-TDIE)解算器中稳定前进的新技术,它与上述解算器的区别在于它们与最近开发的基于calderon的MOT-TDIE预调节器密切相关。所提出的预调节器提供了简单的机制来消除组合和电场tdie的“谐振”和“直流”特征值,从而使它们免受其解的晚时间振铃和非振荡生长的影响。数值结果表明了所提方程的正确性和有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Calderón stabilized time domain integral equation solvers
In this paper, we present new techniques for stabilizing marching on in time-based time domain integral equation (MOT-TDIE) solvers that distinguish themselves from the above ones in that they operate hand in glove with recently developed Calderon-based MOT-TDIE preconditioners. The proposed preconditioners provide simple mechanisms for eliminating "resonant" and "DC" eigenvalues from combined and electric field TDIEs, thereby rendering them immune from late-time ringing and non-oscillatory growth of their solutions. Numerical results that show the validity and the effectiveness of the proposed equations are presented.
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