AbstractAssemblerSolverHybrid.hpp

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*/

#ifndef ABSTRACTASSEMBLERSOLVERHYBRID_HPP_
#define ABSTRACTASSEMBLERSOLVERHYBRID_HPP_

#include "AbstractFeVolumeIntegralAssembler.hpp"
#include "AbstractLinearPdeSolver.hpp"
#include "NaturalNeumannSurfaceTermAssembler.hpp"

template<unsigned ELEMENT_DIM, unsigned SPACE_DIM, unsigned PROBLEM_DIM, InterpolationLevel INTERPOLATION_LEVEL>
class AbstractAssemblerSolverHybrid
   : public AbstractFeVolumeIntegralAssembler<ELEMENT_DIM, SPACE_DIM, PROBLEM_DIM, true, true, INTERPOLATION_LEVEL>
{
protected:

    NaturalNeumannSurfaceTermAssembler<ELEMENT_DIM,SPACE_DIM,PROBLEM_DIM> mNaturalNeumannSurfaceTermAssembler;

    BoundaryConditionsContainer<ELEMENT_DIM,SPACE_DIM,PROBLEM_DIM>* mpBoundaryConditions;


public:

    AbstractAssemblerSolverHybrid(AbstractTetrahedralMesh<ELEMENT_DIM,SPACE_DIM>* pMesh,
                                  BoundaryConditionsContainer<ELEMENT_DIM,SPACE_DIM,PROBLEM_DIM>* pBoundaryConditions)
        : AbstractFeVolumeIntegralAssembler<ELEMENT_DIM, SPACE_DIM, PROBLEM_DIM, true, true, INTERPOLATION_LEVEL>(pMesh),
          mNaturalNeumannSurfaceTermAssembler(pMesh,pBoundaryConditions),
          mpBoundaryConditions(pBoundaryConditions)
    {
        assert(pMesh);
        assert(pBoundaryConditions);
    }

    virtual ~AbstractAssemblerSolverHybrid()
    {
    }

    void SetupGivenLinearSystem(Vec currentSolution, bool computeMatrix, LinearSystem* pLinearSystem);
};

template<unsigned ELEMENT_DIM, unsigned SPACE_DIM, unsigned PROBLEM_DIM, InterpolationLevel INTERPOLATION_LEVEL>
void AbstractAssemblerSolverHybrid<ELEMENT_DIM, SPACE_DIM, PROBLEM_DIM, INTERPOLATION_LEVEL>::SetupGivenLinearSystem(Vec currentSolution,
                                                                                                                     bool computeMatrix,
                                                                                                                     LinearSystem* pLinearSystem)
{
    assert(pLinearSystem->rGetLhsMatrix() != nullptr);
    assert(pLinearSystem->rGetRhsVector() != nullptr);

    // Assemble the matrix and vector calling methods on AbstractFeVolumeIntegralAssembler
    this->SetMatrixToAssemble(pLinearSystem->rGetLhsMatrix());
    this->SetVectorToAssemble(pLinearSystem->rGetRhsVector(), true);

    if (currentSolution != nullptr)
    {
        this->SetCurrentSolution(currentSolution);
    }

    if (computeMatrix)
    {
        this->Assemble();
    }
    else
    {
        this->AssembleVector();
    }

    // Add the Neumann boundary conditions. The boundary conditions put into the BoundaryConditionsContainer
    // are assumed to be natural Neumann BCs.
    mNaturalNeumannSurfaceTermAssembler.SetVectorToAssemble(pLinearSystem->rGetRhsVector(), false);
    mNaturalNeumannSurfaceTermAssembler.Assemble();

    pLinearSystem->FinaliseRhsVector();
    pLinearSystem->SwitchWriteModeLhsMatrix();

    // add Dirichlet BCs
    mpBoundaryConditions->ApplyDirichletToLinearProblem(*pLinearSystem, true);

    //mpBoundaryConditions->ApplyPeriodicBcsToLinearProblem(*pLinearSystem, true);

    pLinearSystem->FinaliseRhsVector();
    pLinearSystem->FinaliseLhsMatrix();
}

#endif /*ABSTRACTASSEMBLERSOLVERHYBRID_HPP_*/