ploteffectivediffusivitymodel.hh

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#ifndef DUMUX_PLOT_EFFECTIVE_DIFFUSIVITY_MODEL_HH
#define DUMUX_PLOT_EFFECTIVE_DIFFUSIVITY_MODEL_HH
 
#include <string>
#include <vector>
 
namespace Dumux {
 
// forward declaration
template<class Scalar> class GnuplotInterface;
 
template<class Scalar, class EffectiveDiffusivityModel>
class PlotEffectiveDiffusivityModel
{
 
public:
    PlotEffectiveDiffusivityModel()
    : numIntervals_(1000)
    { }
 
    void adddeffcurve(GnuplotInterface<Scalar> &gnuplot,
                      Scalar porosity,
                      Scalar lowerSat = 0.0,
                      Scalar upperSat = 1.0,
                      std::string curveName = "deff",
                      std::string curveOptions = "w l")
    {
        std::vector<Scalar> sw(numIntervals_+1);
        std::vector<Scalar> deff(numIntervals_+1);
        Scalar satInterval = upperSat - lowerSat;
 
        for (int i = 0; i <= numIntervals_; i++)
        {
            sw[i] = lowerSat + satInterval * Scalar(i) / Scalar(numIntervals_);
            deff[i] = EffectiveDiffusivityModel::effectiveDiffusivity(porosity, sw[i],
                                                                      1.0 /*Diffusion Coefficient*/);
        }
 
        gnuplot.setXlabel("phase saturation [-]");
        gnuplot.setYlabel("effective diffusion/molecular diffusion [-]");
        gnuplot.addDataSetToPlot(sw, deff, curveName, curveOptions);
    }
 
private:
    int numIntervals_;
};
 
} // end namespace Dumux
 
#endif // DUMUX_PLOT_EFFECTIVE_DIFFUSIVITY_MODEL_HH