CFD Online Discussion Forums - [Other] Dynamic mesh with solution depended

Dear All,
I just want to read the result in the runtime dictionary, and the .C file is like this:

Code:

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

  =========                 |

  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox

   \\    /   O peration     |

    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation

     \\/     M anipulation  |

-------------------------------------------------------------------------------

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

    the Free Software Foundation, either version 3 of the License, or

    (at your option) any later version.



    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT

    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    for more details.



    You should have received a copy of the GNU General Public License

    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.



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



#include "dynamicAddFvMesh.H"

#include "addToRunTimeSelectionTable.H"

#include "volFields.H"

#include "mathematicalConstants.H"



// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //



namespace Foam

{

    defineTypeNameAndDebug(dynamicAddFvMesh, 0);

    addToRunTimeSelectionTable(dynamicFvMesh, dynamicAddFvMesh, IOobject);

}





// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //



Foam::dynamicAddFvMesh::dynamicAddFvMesh(const IOobject& io)

:

    dynamicFvMesh(io),   stationaryPoints_

    (

        IOobject

        (

            "points",

            io.time().constant(),

            meshSubDir,

            *this,

            IOobject::MUST_READ,

            IOobject::NO_WRITE

        )

    ),

    Eta_

    (

        IOobject

        (

            "Eta",

            io.time().timeName(),

            mesh,

            IOobject::MUST_READ,

            IOobject::NO_WRITE

        ),

    mesh

    )

{

    Info<< "Performing a dynamic mesh calculation: " << endl

        << "amplitude: " << amplitude_

        << " you are win! " << frequency_

        << " refPlaneX: " << refPlaneX_ << endl;

}



// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //



Foam::dynamicAddFvMesh::~dynamicAddFvMesh()

{}





// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //



bool Foam::dynamicAddFvMesh::update()

{



    Info<< "Mesh scaling. Time = " << time().value() << endl;



    pointField newPoints = stationaryPoints_;



    newPoints.replace

    (

        vector::Y,

        stationaryPoints_.component(vector::Y)

    );



    fvMesh::movePoints(newPoints);



    volVectorField& U =

        const_cast<volVectorField&>(lookupObject<volVectorField>("U"));

    U.correctBoundaryConditions();



    return true;

}





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

and it give the error like this:

Code:

Making dependency list for source file dynamicAddFvMesh.C

SOURCE=dynamicAddFvMesh.C ;  g++ -m64 -Dlinux64 -DWM_DP -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -Wnon-virtual-dtor -O3  -DNoRepository -ftemplate-depth-100 -I/opt/openfoam220/src/triSurface/lnInclude -I/opt/openfoam220/src/meshTools/lnInclude -I/opt/openfoam220/src/dynamicMesh/lnInclude -I/opt/openfoam220/src/finiteVolume/lnInclude -I/opt/openfoam220/src/dynamicFvMesh/lnInclude -IlnInclude -I. -I/opt/openfoam220/src/OpenFOAM/lnInclude -I/opt/openfoam220/src/OSspecific/POSIX/lnInclude   -fPIC -c $SOURCE -o Make/linux64GccDPOpt/dynamicAddFvMesh.o

dynamicAddFvMesh.C: In constructor ‘Foam::dynamicAddFvMesh::dynamicAddFvMesh(const Foam::IOobject&)’:

dynamicAddFvMesh.C:83:13: error: ‘mesh’ was not declared in this scope

make: *** [Make/linux64GccDPOpt/dynamicAddFvMesh.o] Error 1

could someone give me some advice?
Thank you very much!
Best Wishes!

Detian