|January 13, 2014, 13:28||
wallGradU does not work in OF 2.2.2
Join Date: Oct 2011
Posts: 12Rep Power: 5
I run utility wallGradU for cases solving by rhoCentralFoam but it generates the gradient of velocity at the wall of zero. This is wrong answer.
Can someone check this ?
|February 10, 2014, 17:05||
Join Date: Mar 2009
Location: Lisbon, Portugal
Blog Entries: 34Rep Power: 84
I've taken a look into this and wallGradU works perfectly fine. The detail is that it's configured to only work on walls.
For example, if after the mesh is generated, you run this command:
wall : top scalar p zeroGradient scalar T fixedValue vector U fixedValue patch : inlet scalar p fixedValue scalar T fixedValue vector U fixedValue patch : outlet scalar p zeroGradient scalar T zeroGradient vector U zeroGradient symmetryPlane : bottom scalar p symmetryPlane scalar T symmetryPlane vector U symmetryPlane empty : frontAndBack scalar p empty scalar T empty vector U empty
In addition, when post-processing the case in ParaView, to visualize the "wallGradU" field, make sure you have loaded the patches of type "wall" in the "Mesh parts" section, as shown in the attached image.
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