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Setting initial pressure with periodic boundaries

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Old   April 8, 2016, 05:40
Default Setting initial pressure with periodic boundaries
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Hi

I've made a mesh with blockMesh that has a periodic inlet and outlet (they have the same shape). I want to drive the flow by a body force only (laminar flow, so icoFoam will suffice I guess), for that I've read that pressureGradientExplicitSource can be used.


The velocity I have to set periodic, I do it like this:
Code:
    wall_inlet
    {
        type            cyclic;
    value         uniform (0 0 0);
    }

    wall_outlet
    {
        type            cyclic;
    value        value uniform (0 0 0);
    }
How do I treat the pressure p, should that also be periodic?
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