NhsModelWithBackwardSolver.hpp

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*/
 
#ifndef NHSMODELWITHBACKWARDSOLVER_HPP_
#define NHSMODELWITHBACKWARDSOLVER_HPP_
 
#include "NhsContractionModel.hpp"
#include "TimeStepper.hpp"
#include <cmath>
 
 
class NhsModelWithBackwardSolver : public NhsContractionModel
{
private:
    static const double mTolerance;
 
    double mDt;
 
    double ImplicitSolveForQ();
 
    void CalculateCaTropAndZDerivatives(double calciumTroponin, double z, double Q, double& dCaTrop, double& dz);
 
    void CalculateBackwardEulerResidual(double calciumTroponin, double z, double Q,
                                        double& residualComponent1, double& residualComponent2);
 
public :
    NhsModelWithBackwardSolver();
 
 
    void RunDoNotUpdate(double startTime, double endTime, double timestep);
 
    double GetNextActiveTension();
 
    void RunAndUpdate(double startTime, double endTime, double timestep);
};
 
#endif /*NHSMODELWITHBACKWARDSOLVER_HPP_*/