Photonics

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  3. 请问一下fdtd solution中的对称性边界条件是否等于周期性边界条件

请问一下fdtd solution中的对称性边界条件是否等于周期性边界条件

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    • July 27, 2022 at 7:21 am
      202121623058
      Subscriber

      有时候看到论文里别人仿真周期阵列结构，对单位元胞使用fdtd的对称性边界条件去加快仿真速度，但这样仿真的还是周期性结构吗。

    • July 27, 2022 at 6:06 pm
      Guilin Sun
      Ansys Employee

      不必是周期结构，只要结构有对称性，光源偏振有对称性就可以，参见 https://optics.ansys.com/hc/en-us/articles/360034382694-Symmetric-and-anti-symmetric-BCs-in-FDTD-and-MODE

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