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zjspring

木虫 (著名写手)

[求助] 求问关于fluent计算的自适应网格

本人使用动网格计算时,选择adapt-gradient-dynamic-20interval,我理解的意思是每隔20个步长动态自适应网格一次,经试验也差不多如此,但有一个问题是,每次自适应网格一次后计算速度就相应减慢一次。
但好像不是因为自适应后网格增加的原因引起的,因为变慢后我保存此时的case和data,重新读取后计算,计算速度恢复正常,不知道什么原因引起的?
有没有哪位大侠做过相似研究,求指教下啊
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zjspring

木虫 (著名写手)

Note that when the parallel solver is used, there is no automatic load balancing during the dynamic adaption process. Thus you may want to use the execute command functionality to enforce repartitioning after a reasonable number of time steps or iterations. For example you could use the following commands:
para/part/method principal-axes
para/part/use-stored
求问上面的两行指令在哪里输入?
2楼2012-11-18 15:08:08
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zjspring

木虫 (著名写手)

★
xiegangmai: 金币+1, 鼓励讨论交流 2012-11-20 21:40:44
目前初步探索的结果是 只要每次只适应网格后点击 parallel-partition-use stored partition计算速度便恢复正常,就是每次自适应迭代要人为点比较麻烦,不知有哪位大侠有何高见,让他自动use stored partition
3楼2012-11-19 19:18:54
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