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Photonics – Chinese

Photonics – Chinese

Topics related to Lumerical and more, in Chinese language.

DEVICE 以第一个文件作为初始值,第二个文件从较高电压开始扫描,出现如下报错情况

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    • yiting Yun
      Subscriber

      第一个文件电压从0V扫描到3.4V,步长为0.1,第二个文件从3V开始扫描,到4V终止,步长0.001V,出现如下报错情况

      job aborted:
      [ranks] message
      [0] process exited without calling finalize
      ---- error analysis -----
      [0] on WIN-IP4KCO3P6M4
      C:\Program Files\Lumerical\2019b\bin\device-engine-msmpi.exe ended prematurely and may have crashed. exit code 0xc0000005
      ---- error analysis -----

      想请教一下老师,应该怎么做去修改这个error

      祝好!

    • Guilin Sun
      Ansys Employee

      目前最直接的只有这个 Troubleshooting convergence errors in CHARGE

      你设置的步长可能太小了吧?网格没有变吧?很可能要到击穿电压了,你需要先调整电压步长看看能到那个数值。另外既然已经到了3.4伏就应该从这里开始,不需要浪费0.4伏每个很小的步长再仿真。之所以用小步长是为了减少发散的可能。

      还要考虑你器件的尺寸,很小的尺寸能否忍受高压,高电场。

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