# can slip boundary condition in openFoam mean "inviscid wall" ?

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 October 9, 2013, 10:55 can slip boundary condition in openFoam mean "inviscid wall" ? #1 Senior Member   saeideh mohamadi Join Date: Aug 2012 Posts: 229 Rep Power: 5 Hi I am simulating the flow over an multi element airfoil, i have studied in a research that for simulating the correct experiment conditions "we should reat the wind-tunnel walls as inviscid walls" now my question is that, how can i define the "inviscid wall" in openFoam? if we set slip boundary condition for the top and bottom side of our domain,can this boundary condition in openFoam mean "inviscid walls" ? i mesh a squre domain around my sirfol, i put the freestream for the inlet and outlet patch (left and right side), i don't know what boundary condition should i use for topAndBottom side! please guide me Thank you very much

 October 10, 2013, 15:29 #2 New Member   saeed Join Date: Feb 2013 Posts: 19 Rep Power: 4 hi dear S.m.....as i know about boundary condition in openfoam for an airfoil you could use slip condition for top and bottom of your domain.GOOD LUCK here is a training for how to simulate flow around an airfoil in open foam http://www.google.com/url?sa=t&rct=j...53899372,d.Yms s.m likes this.

October 11, 2013, 13:27
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Quote:
 Originally Posted by saeed115 hi dear S.m.....as i know about boundary condition in openfoam for an airfoil you could use slip condition for top and bottom of your domain.GOOD LUCK here is a training for how to simulate flow around an airfoil in open foam http://www.google.com/url?sa=t&rct=j...53899372,d.Yms
Thank you, but my question is that, how can we chose inviscid wall for topAndBottom ?

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