foam-extend4.1-coherent-io/applications/solvers/stressAnalysis/contactStressFoam/contactPatchPair.H

/*---------------------------------------------------------------------------*\
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License
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Class
    contactPatchPair

Description
    
SourceFiles
    contactPatchPair.C
    contactPatchPairSlavePressure.C
    contactPatchPairUpdateContact.C

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

#ifndef contactPatchPair_H
#define contactPatchPair_H

#include "fvMesh.H"
#include "primitivePatchInterpolation.H"
#include "patchToPatchInterpolation.H"

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

namespace Foam
{

/*---------------------------------------------------------------------------*\
                           Class contactPatchPair Declaration
\*---------------------------------------------------------------------------*/

class contactPatchPair
{
    // Private data

        //- Reference to mesh
        const fvMesh& mesh_;

        //- Index of the directionMixed patch
        const label masterPatchIndex_;

        //- Index of the gradient patch
        const label slavePatchIndex_;

        //- Master patch interpolator
        primitivePatchInterpolation masterInterpolate_;

        //- Slave patch interpolator
        primitivePatchInterpolation slaveInterpolate_;

        //- Patch to patch interpolator
        patchToPatchInterpolation patchToPatchInterpolate_;

        //- Contact tolerance
        const scalar tol_;

        //- Touch fraction
        scalarField touchFraction_;

        //- Slave displacement
        vectorField slaveDisplacement_;

    // Private Member Functions

        //- Disallow default bitwise copy construct
        contactPatchPair(const contactPatchPair&);

        //- Disallow default bitwise assignment
        void operator=(const contactPatchPair&);


public:

    // Constructors

        //- Construct from components
        contactPatchPair
        (
            const fvMesh& m,
            const label master,
            const label slave,
            const scalar tolerance
        );


    // Member Functions

        //- Update contact data
        void updateContact
        (
            const volVectorField& disp
        );

        //- Return contact fraction for patch
        const scalarField& touchFraction() const
        {
            return touchFraction_;
        }

        //- Return slave patch displacement
        const vectorField& slaveDisplacement() const
        {
            return slaveDisplacement_;
        }

        //- Return slave patch pressure
        tmp<scalarField> slavePressure
        (
            const scalarField& traction
        ) const;

};


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

} // End namespace Foam

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

#endif

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