DAResidualLaplacianFoam.C

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/*---------------------------------------------------------------------------*\
 
    DAFoam  : Discrete Adjoint with OpenFOAM
    Version : v3
 
\*---------------------------------------------------------------------------*/
 
#include "DAResidualLaplacianFoam.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
defineTypeNameAndDebug(DAResidualLaplacianFoam, 0);
addToRunTimeSelectionTable(DAResidual, DAResidualLaplacianFoam, dictionary);
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
DAResidualLaplacianFoam::DAResidualLaplacianFoam(
    const word modelType,
    const fvMesh& mesh,
    const DAOption& daOption,
    const DAModel& daModel,
    const DAIndex& daIndex)
    : DAResidual(modelType, mesh, daOption, daModel, daIndex),
      // initialize and register state variables and their residuals, we use macros defined in macroFunctions.H
      setResidualClassMemberScalar(T, dimensionSet(0, 0, -1, 1, 0, 0, 0))
 
{
    IOdictionary transportProperties(
        IOobject(
            "transportProperties",
            mesh_.time().constant(),
            mesh_,
            IOobject::MUST_READ,
            IOobject::NO_WRITE));
 
    dimensionedScalar DT("DT", dimViscosity, transportProperties);
 
    DT_ = DT.value();
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
void DAResidualLaplacianFoam::clear()
{
    /*
    Description:
        Clear all members to avoid memory leak because we will initalize 
        multiple objects of DAResidual. Here we need to delete all members
        in the parent and child classes
    */
    TRes_.clear();
}
 
void DAResidualLaplacianFoam::calcResiduals(const dictionary& options)
{
    /*
    Description:
        This is the function to compute residuals.
    
    Input:
        options.isPC: 1 means computing residuals for preconditioner matrix.
        This essentially use the first order scheme for div(phi,U), div(phi,e)
 
        p_, T_, U_, phi_, etc: State variables in OpenFOAM
    
    Output:
        URes_, pRes_, TRes_, phiRes_: residual field variables
    */
 
    dimensionedScalar DT("DT", dimViscosity, DT_);
 
    fvScalarMatrix TEqn(
        fvm::ddt(T_)
        - fvm::laplacian(DT, T_));
 
    TRes_ = TEqn & T_;
    normalizeResiduals(TRes);
}
 
void DAResidualLaplacianFoam::updateIntermediateVariables()
{
    /* 
    Description:
        Update the intermediate variables that depend on the state variables
    */
    // do nothing
}
 
void DAResidualLaplacianFoam::correctBoundaryConditions()
{
    /* 
    Description:
        Update the boundary condition for all the states in the selected solver
    */
 
    T_.correctBoundaryConditions();
}
 
} // End namespace Foam
 
// ************************************************************************* //