refValue for directionMixed bc
I'm using a directionMixed boudary condition on velocity at the inlet of a simple 2D channel.
I would like to set the X (normal) component to fixedValue and the others to zeroGradient.
Knowing that the refValue is a symmetrical tensor, how should i set the six components, and what do they mean?
Thank you for any help, have a good day!
Do anyone have an opinion about the previous post, or any knowledge of the refValue in directionMixed bc?
Thank you in advance!
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