AbstractStructuralAdaptationSolver.cpp

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#include <fstream>
#include <algorithm>
#include <iostream>
#include "AbstractStructuralAdaptationSolver.hpp"
#include "BaseUnits.hpp"

template<unsigned DIM>
AbstractStructuralAdaptationSolver<DIM>::AbstractStructuralAdaptationSolver()
    :   mTolerance(1.e-4),
        mTimeIncrement(1.e-4 * unit::seconds),
        mReferenceTimeScale(BaseUnits::Instance()->GetReferenceTimeScale()),
        mWriteOutput(false),
        mOutputFileName(),
        mMaxIterations(1.e5),
        mpVesselNetwork()
{

}

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

}

template<unsigned DIM>
double AbstractStructuralAdaptationSolver<DIM>::GetTolerance() const
{
    return mTolerance;
}

template<unsigned DIM>
bool AbstractStructuralAdaptationSolver<DIM>::GetWriteOutput() const
{
    return mWriteOutput;
}

template<unsigned DIM>
std::string AbstractStructuralAdaptationSolver<DIM>::GetOutputFileName() const
{
    return mOutputFileName;
}

template<unsigned DIM>
units::quantity<unit::time> AbstractStructuralAdaptationSolver<DIM>::GetTimeIncrement() const
{
    return mTimeIncrement;
}

template<unsigned DIM>
void AbstractStructuralAdaptationSolver<DIM>::SetTolerance(double tolerance)
{
    mTolerance = tolerance;
}

template<unsigned DIM>
void AbstractStructuralAdaptationSolver<DIM>::SetTimeIncrement(units::quantity<unit::time> timeIncrement)
{
    mTimeIncrement = timeIncrement;
}

template<unsigned DIM>
void AbstractStructuralAdaptationSolver<DIM>::SetMaxIterations(unsigned iterations)
{
    mMaxIterations = iterations;
}

template<unsigned DIM>
void AbstractStructuralAdaptationSolver<DIM>::SetWriteOutput(bool writeFlag)
{
    mWriteOutput = writeFlag;
}

template<unsigned DIM>
void AbstractStructuralAdaptationSolver<DIM>::SetOutputFileName(const std::string& filename)
{
    mOutputFileName = filename;
}

template<unsigned DIM>
void AbstractStructuralAdaptationSolver<DIM>::Solve()
{
    std::ofstream out;

    double max_radius_relative_change = 1.0;
    unsigned iteration = 0;
    units::quantity<unit::time> time = 0.0 * unit::seconds;

    if (mWriteOutput && !mOutputFileName.empty())
    {
        out.open(mOutputFileName.c_str());
        out << "\n";
        out << "#Iteration   Maximum relative change in radius in network\n\n";
    }

    std::vector<boost::shared_ptr<VesselSegment<DIM> > > segments = mpVesselNetwork->GetVesselSegments();
    std::vector<units::quantity<unit::length> > previous_radii(segments.size());
    for (unsigned segment_index = 0; segment_index < segments.size(); segment_index++)
    {
        previous_radii[segment_index] = segments[segment_index]->GetRadius();
    }

    while (max_radius_relative_change > mTolerance && time < (SimulationTime::Instance()->GetTimeStep()*mReferenceTimeScale) && iteration < mMaxIterations)
    {
        time += mTimeIncrement;
        iteration++;

        Iterate();

        std::vector<double> relative_change(segments.size());
        for (unsigned segment_index = 0; segment_index < segments.size(); segment_index++)
        {
            units::quantity<unit::length> current_radius = segments[segment_index]->GetRadius();
            relative_change[segment_index] = fabs(1.0 - current_radius / previous_radii[segment_index]);
            previous_radii[segment_index] = current_radius;
        }

        max_radius_relative_change = *(std::max_element(relative_change.begin(), relative_change.end()));
        if (out.is_open())
        {
            out << std::setw(6) << iteration << std::setw(20) << max_radius_relative_change << "\n";
        }
    }
    if (out.is_open())
    {
        out.close();
    }
}

template<unsigned DIM>
void AbstractStructuralAdaptationSolver<DIM>::SetVesselNetwork(boost::shared_ptr<VesselNetwork<DIM> > pNetwork)
{
    mpVesselNetwork = pNetwork;
}

template<unsigned DIM>
void AbstractStructuralAdaptationSolver<DIM>::Write()
{
    if(!mOutputFileName.empty())
    {
        std::ofstream out;
        out.open(mOutputFileName.c_str(), std::ios::app); // append to file
        out << "\nModule: AbstractStructuralAdaptationSolver\n";
        out << "\n---------------\n";
        out.close();
    }
}

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