surfaceMesh.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2025 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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Class
    Foam::surfaceMesh

Description
    Mesh data needed to do the Finite Volume discretisation.

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

#ifndef Foam_surfaceMesh_H
#define Foam_surfaceMesh_H

#include "GeoMesh.H"
#include "fvMesh.H"
#include "primitiveMesh.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                           Class surfaceMesh Declaration
\*---------------------------------------------------------------------------*/

class surfaceMesh
:
    public GeoMesh<fvMesh>
{
public:

    // Constructors

        //- Construct surface mesh from fvMesh reference
        explicit surfaceMesh(const fvMesh& mesh)
        :
            GeoMesh<fvMesh>(mesh)
        {}


    // Static Functions

        //- The geometric (internal) size - number of internal faces.
        //  Method name expected by GeoMesh interface
        static label size(const polyMesh& mesh) noexcept
        {
            return mesh.nInternalFaces();
        }

        //- The geometric boundary size - number of boundary faces.
        //  Method name expected by GeoMesh interface
        static label boundary_size(const polyMesh& mesh) noexcept
        {
            return mesh.nBoundaryFaces();
        }


    // Member Functions

        //- The geometric mesh size - number of internal faces.
        //  Method name expected by GeoMesh interface
        label size() const noexcept
        {
            return size(mesh_);
        }


        //- Field of face centres
        const surfaceVectorField& C() const
        {
            return mesh_.Cf();
        }
};


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

} // End namespace Foam

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

#endif

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