createRegionMesh.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM, distributed under GPL-3.0-or-later.

Description
    Create a fvMesh for a specified named region

Required Variables
    - regionName [word]
    - runTime [Time]

Provided Variables
    - mesh [fvMesh]

\*---------------------------------------------------------------------------*/

Foam::Info << "Create mesh";
if (regionName != Foam::polyMesh::defaultRegion)
{
    Foam::Info << ' ' << regionName;
}
Foam::Info << " for time = " << runTime.timeName() << Foam::nl;

Foam::fvMesh mesh
(
    Foam::IOobject
    (
        regionName,
        runTime.timeName(),
        runTime,
        Foam::IOobject::MUST_READ
    ),
    false
);

mesh.init(true);   // Initialise all (lower levels and current)

Foam::Info << Foam::endl;


// ************************************************************************* //