保形时域有限差分法的分段积分减小阶梯误差

2006 7th International Symposium on Antennas, Propagation & EM Theory Pub Date : 2006-10-01 DOI:10.1109/ISAPE.2006.353542

Yan Zhang, Shan-wei Lu

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引用次数: 0

摘要

研究了一种新的保形时域有限差分方法。采用分段积分法可以更精确地得到电场分量的轮廓路径值。通过仿真验证了该方法的有效性。数值结果表明，PI-CFDTD方法比传统的CFDTD方法具有更高的精度和稳定性。

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Piecewise Integration for Conformal FDTD Method to Reduce Staircasing Errors

Attention is focused on a new conformal FDTD method. The contour-path value of the electric field component can be obtained more accurately by the piecewise integration. Several examples are simulated to demonstrate the proposed method. Numerical results show that the PI-CFDTD method provides increased accuracy and stability over the conventional CFDTD method.

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2006 7th International Symposium on Antennas, Propagation & EM Theory

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