# Am i right? porous jump drag force

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 February 27, 2008, 05:55 Am i right? porous jump drag force #1 Shim Guest   Posts: n/a Hei, Usually, when we want to see the drag force on the wall, can use Refort-->Forces... But porous jump zone is different. it can plot only wall zones. I want to see the drag forces circluar porous zone at 2D and 3D. Some people say that can see using Report->Surface Integals. But I don't know how calcuate the pressure difference at Custom Field Functions. How can manage to pressure differece on the surface of circlar porous area.... ??? So~~, This is my way to calculate the forces at porous zones how Define --> Boundary Condition --> porous-jump change to wall after finish iteration. and then can see the force value at Report-Fores... Is that way is corret or not?? Just give the answer YES or NO. Shim. chocolater likes this.

 September 9, 2013, 16:04 #2 New Member   i man Join Date: Feb 2013 Posts: 5 Rep Power: 4 hi shim was u right? Are u know now? how can calculate the drag of a porous zone (or porous jump) in FLUENT? Fluent just calculate drag of walls, and porous is not a wall.

 August 25, 2014, 09:33 #3 New Member   Heini Rasmussen Join Date: Dec 2010 Posts: 9 Rep Power: 6 Also interested in this subject. Did you find a solution to it?

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