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May 6, 2023 at 3:51 am
Jin huang
Subscriber我在fdtd中扫描的参数过多时,例如111*111个点,无法并行扫描,只能一个点一个点的扫描并且窗口直接卡死看不到扫描的结果,只能在文件夹中看到它正在一个点一个点的扫描,请问你们也有遇到过这种状况吗,最大可并行扫描的参数能有多少呢?
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May 8, 2023 at 3:25 am
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May 8, 2023 at 8:03 pm
Guilin Sun
Ansys Employee根据描述应该有几个问题吧:
1: 资源设置问题:除Chris给出的链接外,还可以参考 https://optics.ansys.com/hc/en-us/articles/360025161033-Compute-resource-configuration-use-cases
Capacity应该是指共发式并行计算一次仿真几个文件。
参见
Ansys Insight: 关于FDTD 并行计算的有关问题
2:直接卡死看不到扫描的结果,可能是你监测的数据太多,是监测场的数据吗?一般不要监测场,因为是2D矩阵,扫描点多需要很多内存。最好是先处理,比如在分析组中处理,或者在MODEL里处理,只扫描最后结果。
3: 扫描111*111可能是太多了,这要仿真12321个文件。一般我建议先粗略扫描,再根据扫描结果细化参数范围。否则很多都是无用的结果。扫描这么多还不如直接优化呢。
无论优化还是扫描,选择合适的参数空间很重要。
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May 9, 2023 at 1:17 am
Jin huang
Subscriber是的老师,我就是直接监测的监视器的数据,所以非常容易崩溃卡住,我用分析组处理试试看。
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May 9, 2023 at 1:15 am
Jin huang
Subscriber谢谢老师回复!
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