AbstractTimeAdaptivityController.hpp

/*

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*/

#ifndef ABSTRACTTIMEADAPTIVITYCONTROLLER_HPP_
#define ABSTRACTTIMEADAPTIVITYCONTROLLER_HPP_

#include "PetscVecTools.hpp"

class AbstractTimeAdaptivityController
{
private:

    double mMinimumTimeStep;

    double mMaximumTimeStep;

    virtual double ComputeTimeStep(double currentTime, Vec currentSolution)=0;

public:

    AbstractTimeAdaptivityController(double minimumTimeStep, double maximumTimeStep)
        : mMinimumTimeStep(minimumTimeStep),
          mMaximumTimeStep(maximumTimeStep)
    {
        assert(minimumTimeStep>0.0);
        assert(maximumTimeStep>0.0);
        assert(minimumTimeStep < maximumTimeStep);
    }

    virtual ~AbstractTimeAdaptivityController()
    {
    }

    double GetNextTimeStep(double currentTime, Vec currentSolution)
    {
        double dt = ComputeTimeStep(currentTime, currentSolution);
        if (dt < mMinimumTimeStep)
        {
            dt = mMinimumTimeStep;
        }
        if (dt > mMaximumTimeStep)
        {
            dt = mMaximumTimeStep;
        }
        return dt;
    }
};

#endif /*ABSTRACTTIMEADAPTIVITYCONTROLLER_HPP_*/