displacementMethodelasticityMotionSolver.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2007-2019 PCOpt/NTUA
    Copyright (C) 2013-2019 FOSS GP
    Copyright (C) 2019-2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
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.
 
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "displacementMethodelasticityMotionSolver.H"
#include "elasticityMotionSolver.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
defineTypeNameAndDebug(displacementMethodelasticityMotionSolver, 1);
addToRunTimeSelectionTable
(
    displacementMethod,
    displacementMethodelasticityMotionSolver,
    dictionary
);
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
displacementMethodelasticityMotionSolver::
displacementMethodelasticityMotionSolver
(
    fvMesh& mesh,
    const labelList& patchIDs
)
:
    displacementMethod(mesh, patchIDs),
    pointMotionU_(refCast<elasticityMotionSolver>(motionPtr_()).pointMotionU()),
    cellMotionU_(refCast<elasticityMotionSolver>(motionPtr_()).cellMotionU()),
    /*
    // Getting a reference from the database is dangerous since multiple
    // fields with the same name might be registered
    pointMotionU_
    (
        const_cast<pointVectorField&>
        (
            mesh_.lookupObject<pointVectorField>("pointMotionU")
        )
    ),
    cellMotionU_
    (
        const_cast<volVectorField&>
        (
            mesh_.lookupObject<volVectorField>("cellMotionU")
        )
    )
    */
    resetFields_
    (
        IOdictionary
        (
            IOobject
            (
                "dynamicMeshDict",
                mesh.time().constant(),
                mesh,
                IOobject::MUST_READ_IF_MODIFIED,
                IOobject::AUTO_WRITE,
                false
            )
        ).subDict("elasticityMotionSolverCoeffs").getOrDefault<bool>
        (
            "resetFields",
            true
        )
    )
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void displacementMethodelasticityMotionSolver::setMotionField
(
    const pointVectorField& pointMovement
)
{
    if (resetFields_)
    {
        pointMotionU_.primitiveFieldRef() = vector::zero;
        cellMotionU_.primitiveFieldRef() = vector::zero;
        cellMotionU_.correctBoundaryConditions();
    }
 
    maxDisplacement_ = SMALL;
 
    // Update the boundary conditions of the pointField in order to make
    // sure that the boundary will move according to the initial BCs
    // without the interference of the volPointInterpolation in the elasticityMotionSolver
    for (label patchI : patchIDs_)
    {
        // Set boundary field. Needed for the motionSolver class
        pointMotionU_.boundaryFieldRef()[patchI] ==
            pointMovement.boundaryField()[patchI].patchInternalField()();
 
        // Set boundary field values as seen from the internalField!
        // Needed for determining the max displacement
        pointMotionU_.boundaryFieldRef()[patchI].setInInternalField
        (
            pointMotionU_.primitiveFieldRef(),
            pointMovement.boundaryField()[patchI].patchInternalField()()
        );
 
        // Find max value
        maxDisplacement_ =
            max
            (
                maxDisplacement_,
                gMax
                (
                    mag
                    (
                        pointMotionU_.boundaryField()[patchI].
                            patchInternalField()
                    )
                )
            );
    }
 
    // update the volField boundary conditions, used for the elasticity PDEs solution
    const pointField& points = mesh_.points();
    for (label patchI : patchIDs_)
    {
        const polyPatch& patch = mesh_.boundaryMesh()[patchI];
        fvPatchVectorField& bField = cellMotionU_.boundaryFieldRef()[patchI];
        forAll(patch, fI)
        {
            bField[fI] = patch[fI].average(points, pointMovement);
        }
    }
}
 
 
void displacementMethodelasticityMotionSolver::setMotionField
(
    const volVectorField& cellMovement
)
{
    auto cellMotionUbf = cellMotionU_.boundaryFieldRef();
 
    // Set boundary mesh movement and calculate
    // max current boundary displacement
    forAll(patchIDs_, pI)
    {
        label patchI = patchIDs_[pI];
 
        // Set boundary field. Needed for the motionSolver class
        cellMotionUbf[patchI] == cellMovement.boundaryField()[patchI];
 
        // Find max value
        maxDisplacement_ =
            max
            (
                maxDisplacement_,
                gMax
                (
                    mag(cellMotionUbf[patchI])
                )
            );
    }
}
 
 
void displacementMethodelasticityMotionSolver::setControlField
(
    const vectorField& controlField
)
{
    NotImplemented;
}
 
 
void displacementMethodelasticityMotionSolver::setControlField
(
    const scalarField& controlField
)
{
    NotImplemented;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //