AbstractCardiacMechanicsSolver.hpp

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*/
 
#ifndef ABSTRACTCARDIACMECHANICSSOLVER_HPP_
#define ABSTRACTCARDIACMECHANICSSOLVER_HPP_
 
#include <map>
#include "IncompressibleNonlinearElasticitySolver.hpp"
#include "CompressibleNonlinearElasticitySolver.hpp"
#include "QuadraticBasisFunction.hpp"
#include "LinearBasisFunction.hpp"
#include "AbstractContractionModel.hpp"
#include "FibreReader.hpp"
#include "FineCoarseMeshPair.hpp"
#include "AbstractCardiacMechanicsSolverInterface.hpp"
#include "HeartRegionCodes.hpp"
#include "ElectroMechanicsProblemDefinition.hpp"
 
 
typedef struct DataAtQuadraturePoint_
{
    AbstractContractionModel* ContractionModel; 
//    bool Active;/**<whether this quad point is active or not*/
    double Stretch; 
    double StretchLastTimeStep; 
} DataAtQuadraturePoint;
 
 
template<class ELASTICITY_SOLVER, unsigned DIM>
class AbstractCardiacMechanicsSolver : public ELASTICITY_SOLVER, public AbstractCardiacMechanicsSolverInterface<DIM>
{
    friend class TestCardiacElectroMechanicsVtkHandler; // for testing
 
protected:
    static const unsigned NUM_VERTICES_PER_ELEMENT = ELASTICITY_SOLVER::NUM_VERTICES_PER_ELEMENT; 
    std::map<unsigned,DataAtQuadraturePoint> mQuadPointToDataAtQuadPointMap;
 
    std::map<unsigned,DataAtQuadraturePoint>::iterator mMapIterator;
 
    FineCoarseMeshPair<DIM>* mpMeshPair;
 
    unsigned mTotalQuadPoints;
 
    double mCurrentTime;
 
    double mNextTime;
 
    double mOdeTimestep;
 
    c_matrix<double,DIM,DIM> mConstantFibreSheetDirections;
 
    std::vector<c_matrix<double,DIM,DIM> >* mpVariableFibreSheetDirections;
 
    bool mFibreSheetDirectionsDefinedByQuadraturePoint;
 
    c_vector<double,DIM> mCurrentElementFibreDirection;
 
    c_vector<double,DIM> mCurrentElementSheetDirection;
 
    c_vector<double,DIM> mCurrentElementSheetNormalDirection;
 
 
    ElectroMechanicsProblemDefinition<DIM>& mrElectroMechanicsProblemDefinition;
 
    virtual bool IsImplicitSolver()=0;
 
 
    void AddActiveStressAndStressDerivative(c_matrix<double,DIM,DIM>& rC,
                                            unsigned elementIndex,
                                            unsigned currentQuadPointGlobalIndex,
                                            c_matrix<double,DIM,DIM>& rT,
                                            FourthOrderTensor<DIM,DIM,DIM,DIM>& rDTdE,
                                            bool addToDTdE);
 
 
    void SetupChangeOfBasisMatrix(unsigned elementIndex, unsigned currentQuadPointGlobalIndex);
 
    void Initialise();
 
    virtual void GetActiveTensionAndTensionDerivs(double currentFibreStretch,
                                                  unsigned currentQuadPointGlobalIndex,
                                                  bool assembleJacobian,
                                                  double& rActiveTension,
                                                  double& rDerivActiveTensionWrtLambda,
                                                  double& rDerivActiveTensionWrtDLambdaDt)=0;
public:
    AbstractCardiacMechanicsSolver(QuadraticMesh<DIM>& rQuadMesh,
                                   ElectroMechanicsProblemDefinition<DIM>& rProblemDefinition,
                                   std::string outputDirectory);
 
    virtual ~AbstractCardiacMechanicsSolver();
 
    void SetFineCoarseMeshPair(FineCoarseMeshPair<DIM>* pMeshPair);
 
    unsigned GetTotalNumQuadPoints()
    {
        return mTotalQuadPoints;
    }
 
    virtual GaussianQuadratureRule<DIM>* GetQuadratureRule()
    {
        return this->mpQuadratureRule;
    }
 
    std::map<unsigned,DataAtQuadraturePoint>& rGetQuadPointToDataAtQuadPointMap()
    {
        return mQuadPointToDataAtQuadPointMap;
    }
 
 
    void SetConstantFibreSheetDirections(const c_matrix<double,DIM,DIM>& rFibreSheetMatrix);
 
    void SetVariableFibreSheetDirections(const FileFinder& rOrthoFile, bool definedPerQuadraturePoint);
 
    void SetCalciumAndVoltage(std::vector<double>& rCalciumConcentrations,
                              std::vector<double>& rVoltages);
 
    virtual void Solve(double time, double nextTime, double odeTimestep)=0;
 
    void ComputeDeformationGradientAndStretchInEachElement(std::vector<c_matrix<double,DIM,DIM> >& rDeformationGradients,
                                                           std::vector<double>& rStretches);
};
 
 
#endif /*ABSTRACTCARDIACMECHANICSSOLVER_HPP_*/