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Channel模式的U出现大量小尺度的波状pattern #1

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liu-ran opened this issue Sep 8, 2021 · 2 comments
Open

Channel模式的U出现大量小尺度的波状pattern #1

liu-ran opened this issue Sep 8, 2021 · 2 comments

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@liu-ran
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liu-ran commented Sep 8, 2021

Qian 老师,

打扰了,我最近也在跑channel模式,但是我的模式输出的U,一直有大量的小尺度波状pattern(如下图),这里想请教您有没有遇到这种问题,或者有什么idea消除这种问题

祝好,
刘燃

image

@miniufo
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miniufo commented Sep 8, 2021

你好,我跑的时候也有类似情况,可以用强一些的粘性来抑制格点尺度的波动。如果tracer有这样的情况可以用强的扩散系数来抑制。更好的方法是适当提高分辨率,不过这样计算量也会增加。

@liu-ran
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liu-ran commented Sep 8, 2021

嗷好的,非常感谢!我试试看看~

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