WallShearStressCalculator.cpp

/*

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#include "math.h"
#include "WallShearStressCalculator.hpp"

template<unsigned DIM>
WallShearStressCalculator<DIM>::WallShearStressCalculator() : AbstractVesselNetworkCalculator<DIM>()
{

}

template<unsigned DIM>
WallShearStressCalculator<DIM>::~WallShearStressCalculator()
{

}

template <unsigned DIM>
boost::shared_ptr<WallShearStressCalculator<DIM> > WallShearStressCalculator<DIM>::Create()
{
    MAKE_PTR(WallShearStressCalculator<DIM>, pSelf);
    return pSelf;
}

template<unsigned DIM>
void WallShearStressCalculator<DIM>::Calculate()
{
    std::vector<boost::shared_ptr<VesselSegment<DIM> > > segments = this->mpNetwork->GetVesselSegments();
    for (unsigned segment_index = 0; segment_index < segments.size(); segment_index++)
    {
        units::quantity<unit::flow_rate> flow_rate =
                units::fabs(segments[segment_index]->GetFlowProperties()->GetFlowRate());
        units::quantity<unit::dynamic_viscosity> viscosity =
                segments[segment_index]->GetFlowProperties()->GetViscosity();
        units::quantity<unit::pressure> wall_shear_stress = 8.0 * viscosity * flow_rate / (M_PI * units::pow<3>(segments[segment_index]->GetRadius()));
        segments[segment_index]->GetFlowProperties()->SetWallShearStress(wall_shear_stress);
    }
}

// Explicit instantiation
template class WallShearStressCalculator<2> ;
template class WallShearStressCalculator<3> ;