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-   -   Cyclic Boundary creation, what's the meaning of "separationVector" (http://www.cfd-online.com/Forums/openfoam/76666-cyclic-boundary-creation-whats-meaning-separationvector.html)

panda60 June 1, 2010 10:13

Cyclic Boundary creation, what's the meaning of "separationVector"
 
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Dear all.
I want to creat cyclic boundary using a pair of patches in lateral.
I want to do channel flow simulation, my wind comes from left.
So I think my cyclic boundary should be translational, not rotational.
But I don't know the meaning of separationVector , how should I set this vector when generating cyclic boundary . who can give me a explanation, Thanks.

patches
(
{
// Name of new patch
name CYCLIC;
// Type of new patch
dictionary
{
type cyclic;
transform translational;
separationVector (0 1 0);
}
constructFrom patches;
patches (CYCLIC_LEFT CYCLIC_RIGHT);
}
);


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