Porous zone from Fluent

gironidegirona · April 29, 2014, 14:33

HI you all,

I want to work with porousInterFoam with a geometry defined in IGES. I'm meshing it with fluent (any good opensource program to mesh with faces selection for openfoam?) defining which patches is which. I want to set a porous zone on it.

I was wondering if there is anyway, like when you create a box of alpha liquid in interFoam, or any other way to say "This part is porous and must have those properties".

May I have to define the porous zone on fluent?

Any ideas?

Thx in advance

LuckyTran · May 1, 2014, 13:21

You can specify the porous zones in Fluent. When gridding, just make sure you've gridded each region appropriately, surfaces & volumes.

It helps if the grid has disjoint volumes so that Fluent instantly recognizes separate volumes when the grid gets imported. Otherwise you have to manually split the volumes in Fluent. I don't know how to do this in ICEM but usually applying fluid to one region and solid to another region gets most packages to treat them as different regions. Once in Fluent you just change the solid back to fluid and activate porous region.

April 29, 2014, 14:33	Porous zone from Fluent	#1
gironidegirona New Member --- Join Date: Jan 2013 Posts: 17 Rep Power: 13	HI you all, I want to work with porousInterFoam with a geometry defined in IGES. I'm meshing it with fluent (any good opensource program to mesh with faces selection for openfoam?) defining which patches is which. I want to set a porous zone on it. I was wondering if there is anyway, like when you create a box of alpha liquid in interFoam, or any other way to say "This part is porous and must have those properties". May I have to define the porous zone on fluent? Any ideas? Thx in advance

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May 1, 2014, 13:21		#2
LuckyTran Senior Member Lucky Join Date: Apr 2011 Location: Orlando, FL USA Posts: 5,761 Rep Power: 66	You can specify the porous zones in Fluent. When gridding, just make sure you've gridded each region appropriately, surfaces & volumes. It helps if the grid has disjoint volumes so that Fluent instantly recognizes separate volumes when the grid gets imported. Otherwise you have to manually split the volumes in Fluent. I don't know how to do this in ICEM but usually applying fluid to one region and solid to another region gets most packages to treat them as different regions. Once in Fluent you just change the solid back to fluid and activate porous region.