surfaceToVolVelocity.C

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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
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#include "surfaceToVolVelocity.H"
 
// * * * * * * * * * * * * * * * Global Functions  * * * * * * * * * * * * * //
 
const Foam::volVectorField& Foam::surfaceToVolVelocity
(
    const surfaceVectorField& Uf
)
{
    if (!isFaceVelocity(Uf))
    {
        return volVectorField::null();
    }
 
    const word UfName(Uf.member());
 
    // Find where the old-time suffixes end
    string::size_type i = UfName.size();
    while (i > 0 && UfName(i - 2, 2) == "_0") i -= 2;
 
    // Split into current name and old-time suffix
    const word UfCurName = UfName(i);
    const word Uf_0 = UfName(i, UfName.size());
 
    if (UfCurName.back() != 'f')
    {
        return volVectorField::null();
    }
 
    const word Uname =
        IOobject::groupName
        (
            UfCurName(UfCurName.size() - 1) + Uf_0,
            Uf.group()
        );
 
    if (!Uf.mesh().foundObject<volVectorField>(Uname))
    {
        return volVectorField::null();
    }
 
    return Uf.mesh().lookupObject<volVectorField>(Uname);
}
 
 
// ************************************************************************* //