Kerchoffs2003ContractionModel.hpp

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*/

#ifndef KERCHOFFS2003CONTRACTIONMODEL_HPP_
#define KERCHOFFS2003CONTRACTIONMODEL_HPP_

#include "AbstractOdeBasedContractionModel.hpp"
#include "OdeSystemInformation.hpp"
#include <math.h>

class Kerchoffs2003ContractionModel : public AbstractOdeBasedContractionModel
{
friend class TestContractionModels;

private:
    static const double a6;  
    static const double a7;  
    static const double T0;  
    static const double Ea;  
    static const double v0;  
    static const double ls0; 
    //static const double tr;  /*< See reference. 75 ms.  Is now a parameter*/
    //static const double td;  /*< See reference. 75 ms.  Is now a parameter */
    //static const double b;   /*< See reference. 150 ms/um.  Is now a parameter */
    static const double ld;  
    static const double mActivationVoltage; //= 0;
    static const double mDeactivationVoltage;// = -70;

    double mSarcomereLength;
    double mActivationTime;
    bool mIsActivated;
    bool mElectricallyUnactivated;

    double GetActiveTension(double lengthOfContractileElement);


public:
    Kerchoffs2003ContractionModel();


    void EvaluateYDerivatives(double time, const std::vector<double>& rY, std::vector<double>& rDY);

    void SetInputParameters(ContractionModelInputParameters& rInputParameters);

    void SetStretchAndStretchRate(double stretch, double stretchRate);

    double GetActiveTension();

    bool IsStretchDependent()
    {
        return true;
    }

    bool IsStretchRateDependent()
    {
        return false;
    }

    double GetNextActiveTension();
};


#endif /*KERCHOFFS2003CONTRACTIONMODEL_HPP_*/