[immortality]

I have two question.
1)does movingWallVelocity have anything more for impermeability of wall so that phi be zero.
if we use zeroGradient for T and p and wall velocity for U does it do the same work that movingWallVelocity does?
2)how to find phi value on a patch?

[immortality]

i modified the title at the time of writing but it has became double.how to delete one?

[immortality]

i modified the title at the time of writing but it has became double.how to delete one of them?
Also any idea about questions are thanked.