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charge 3D和2D仿真结果不一样

- November 27, 2023 at 4:02 am
  
  Xinyu_Xie
  Subscriber
  
  老师您好，我在进行Ge光电探测器的仿真，在charge中进行3D和2D仿真时，为何两种仿真方式得到的响应度和带宽不一样？
- November 28, 2023 at 8:39 am
  
  Zheng Zhou
  Ansys Employee
  
  您好，这里有一个问题就是 2D 仿真里面最后的电流是使用的 2D 浓度分布乘以这个 norm length 的结果，可以理解成是这个 2D 结果平移增厚的结果。但是 3D 仿真是直接在 3D 做网格划分计算，因此两个结果有差异是合理的，如果想要尝试减小这个差异，首先要确保模型在第三个维度是均匀的，其次需要网格划分足够精细，即收敛性测试。
  另外提醒一下中文贴请发到对应中文分区：/forum/forums/forum/discuss-simulation/photonics-chinese/
- December 9, 2023 at 7:02 am
  
  Ming li
  Subscriber
  
  你好，我们做的方向相似不知道能不能交流一下，2747439044

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