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tumu_tu

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[求助] fluent可以在同一处对不同相(欧拉多相流)设不同的边界条件吗 已有1人参与

像图片文章中所说的buildind walls对连续的主相(风)都是壁面,对droplet有这样的处理。文章中用的软件是openfoam,这种处理在fluent中可以实现吗?

fluent可以在同一处对不同相(欧拉多相流)设不同的边界条件吗


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dai26520

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tumu_tu: 金币+5, ★★★很有帮助 2016-11-30 22:51:50
Eulerian多相流里面其实是有类似的边界的,可以参考degassing边界条件,14.5以后的版本自带了,也可以通过udf编程实现,主要用于鼓泡塔的模拟,思路其实可以通用。对于主相液体是壁面,对于次相气体是逃逸。
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2楼2016-11-29 08:35:23
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dai26520

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tumu_tu: 金币+20, ★★★很有帮助 2016-11-30 22:47:22
Degassing boundary conditions are used to model a free surface through which dispersed gas bubbles
are allowed to escape, but the continuous phase is not. A typical application is a bubble column in
which you want to reduce computational cost by not including the freeboard region in the simulation.具体可以参考官方介绍

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3楼2016-11-29 10:15:45
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tumu_tu

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3楼: Originally posted by dai26520 at 2016-11-29 10:15:45
Degassing boundary conditions are used to model a free surface through which dispersed gas bubbles
are allowed to escape, but the continuous phase is not. A typical application is a bubble column in ...

感谢您的回复。我正在考虑degassing边界,在想有没有更直接的方法。

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4楼2016-11-30 22:46:44
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