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Ansys Learning Forum Forums Discuss Simulation Photonics – Chinese 拓扑优化Size of a pixel问题 Reply To: 拓扑优化Size of a pixel问题

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孙老师好,我在尝试修改拓扑优化实现4ch的wdm的例子,我希望将pixel的大小改为可加工的大小,我自己尝试了很多方式,发现override mesh有时会在网格边界进行非均匀划分,导致设计区域网格不均匀,从而报错。我修改为100nm后,并且修改了lsf可以正常运行;另还有一个问题,我在尝试修改为60nm时,我将fdtd的index设为1.44,波导的index设为3.48,设置一个y分支作为initial guess,代码可以正常运行,但是折射率出现了>4的情况以及<1.44的情况,这个问题在100nm时并未出现,如下图所示