计算物理 ›› 1997, Vol. 14 ›› Issue (2): 233-237.
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廖成, 赵愉深, 林为干
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Liao Cheng, Zhao Yushen, Lin Weigan
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摘要： 在微分——Thompson变换结合时域有限差分(FDTD)技术计算复杂目标的电磁散射特性的方法中[1],差分格式的构造和选取与解的精度存在着密切关系。提出一种新的高精度差分格式,其数值实现进一步证实了该方法能精确模拟任意形状目标的电磁散射过程。
关键词: SPH, 电磁散射, 时域有限差分法, Thompson变换, 差分格式
Abstract: when applying the method of Finite Difference Time domain(FDTD)technique combined with Thompson transformation to calculate electromagnetic scattering problems of complex objects[1],the selection of difference schemes has an effect directly on the accuracy of numerical solution.In this paper,a new difference scheme with high order accuracy is presented,numerical results show that Thompson FDTD method can accurately calculate the electromagnetic scattering problems of arbitrary targets.
Key words: Difference scheme, EM Scattering, FDTD, Thompson transformation
中图分类号:
O241.3
廖成, 赵愉深, 林为干. 一种高精度差分格式[J]. 计算物理, 1997, 14(2): 233-237.
Liao Cheng, Zhao Yushen, Lin Weigan. A HIGH ORDER ACCURATE DIFFERENCE SCHEME[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 1997, 14(2): 233-237.
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