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Questions about the inletOutlet and outletInlet boundary conditions

Posted August 2, 2011 at 22:27 by tfuwa

Quote:
Originally Posted by Fransje View Post
Ok.

Let's try to explain inflowOutflot and outflowInflow simply. Let's consider the following code:
Code:
U:
outlet 
{ 
    type inletOutlet;
    inletValue uniform (-2 0 0);
    value (0 0 0);
}
With this boundary condition, we have that:
  • If the velocity vector at the outlet points out of the domain, then the boundary condition will be of the Neumann type, ie, zeroGradient.
  • If the velocity vector points into the domain, then we can
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