SO-DGTD method for dispersive media

SO-DGTD method for dispersive media
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DOI：
10.1109/apusncursinrsm.2017.8073254
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发表时间：
2017-07
期刊：
2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting
影响因子：
--
通讯作者：
Qian Yang;B. Wei;Linqian Li;Renxian Li;D. Ge
Qian Yang;B. Wei;Linqian Li;Renxian Li;D. Ge
中科院分区：
其他
文献类型：
--
作者：
Qian Yang;B. Wei;Linqian Li;Renxian Li;D. Ge

文献摘要

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提出了一种基于离散Galerkin时域（DGTD）方法求解含时麦克斯韦方程的新方法--SO-DGTD方法，该方法采用位移算符（SO）方法来描述材料的本构关系。该方法具有色散介质模型的普适方程，即Debye模型、Drude模型、Lorentz模型，SO-DGTD方法可应用于混合色散介质模型。数值算例验证了所提方法的准确性。
A new method called the SO-DGTD method is proposed for solving the time-dependent Maxwell's equations via the Discontinuous Galerkin Time Domain (DGTD) method with dispersive media, the Shift Operator (SO) method is used to represent the constitutive relations. This method has a universal equation for dispersive media models, i.e. the Debye model, the Drude model, the Lorentz model, the SO-DGTD method can be applied to the hybrid dispersive media model. The accuracy of the proposed method is verified by numerical examples.