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Photonics – Chinese

Photonics – Chinese

Topics related to Lumerical and more, in Chinese language.

发散问题

    • 1406967172
      Subscriber

      老师您好,我的结构是200um的PDMS,在下面100um的PDMS中,有400个半径为0.125um二氧化硅微球自上而下排列而成。x方向的边界条件是反对称,y方向是对称,z方向是PML。我尝试了全部设置成金属边界条件,结果还是发散。所以我试着去改变dt stability factor ,都设置成了0.2,结果还是发散,请问我该如何解决该发散问题

    • Guilin Sun
      Ansys Employee

      请参考 

      Ansys Insight: FDTD varFDTD 常见的发散原因以及处理  

       

      我估计是有大角度衍射,你可能需要用Steep Angle PML,用更多层。

       

    • Guilin Sun
      Ansys Employee

      non technical link is removed and this post is closed.

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