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Access to the velocity at boundary cells

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Old   August 21, 2012, 22:37
Default Access to the velocity at boundary cells
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Wei Liu
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Hi all,

I want to use the velocity at boundary cells and velocity at the boundary face.
I found that this code "const fvPatchField<vector>& Up = patch().lookupPatchField<volVectorField, vector>("U");" could obtain the velocity vector at the boundary face.
Is there any similar code to obtain the velocity vector at the boundary cell? or other methods?

Many thanks!

Mathslw
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