Laplacian of U vector Field at Boudary -- CFD Online Discussion Forums

May 7, 2015, 08:36	Laplacian of U vector Field at Boudary	#1
AshwaniAssam Senior Member Ashwani Join Date: Sep 2013 Location: Hyderabad Posts: 154 Rep Power: 13	Dear All, I am trying to implement second-order slip boundary condition in the rhoCentralFoam solver. I facing difficulty in giving laplacian of U velocity vector. I am able to get fvPatchVectorField for U but when I do laplacian of the same I get the error stating no such laplacian definition possible. Can anyone please help in how to calculate laplacian at the boundary patch. with regards. Ashwani

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