SlidingBoundaryCondition.cpp

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*/
 
#include "SlidingBoundaryCondition.hpp"
#include "AbstractCentreBasedCellPopulation.hpp"
#include "VertexBasedCellPopulation.hpp"
 
template<unsigned DIM>
SlidingBoundaryCondition<DIM>::SlidingBoundaryCondition(AbstractCellPopulation<DIM>* pCellPopulation,
                                                    double threshold)
        : AbstractCellPopulationBoundaryCondition<DIM>(pCellPopulation),
          mThreshold(threshold)
{
}
 
template<unsigned DIM>
double SlidingBoundaryCondition<DIM>::GetThreshold() const
{
    return mThreshold;
}
 
template<unsigned DIM>
void SlidingBoundaryCondition<DIM>::ImposeBoundaryCondition(const std::map<Node<DIM>*, c_vector<double, DIM> >& rOldLocations)
{
    if (dynamic_cast<AbstractOffLatticeCellPopulation<DIM>*>(this->mpCellPopulation) == nullptr)
    {
        EXCEPTION("SlidingBoundaryCondition requires a subclass of AbstractOffLatticeCellPopulation.");
    }
 
    ChasteCuboid<DIM> bounds = this->mpCellPopulation->rGetMesh().CalculateBoundingBox();
    double x_min = bounds.rGetLowerCorner()[0];
 
    // Loop over every node
    for (unsigned node_index=0; node_index<this->mpCellPopulation->GetNumNodes(); node_index++)
    {
        Node<DIM>* p_node = this->mpCellPopulation->GetNode(node_index);
 
        if (p_node->IsBoundaryNode())
        {
            c_vector<double, DIM> old_node_location;
            old_node_location = rOldLocations.find(p_node)->second;
 
            // If the node lies on the left, then revert its x coordinate
            if (p_node->rGetLocation()[0] < x_min + mThreshold)
            {
                p_node->rGetModifiableLocation()[0] = old_node_location[0];
            }
        }
    }
}
 
template<unsigned DIM>
bool SlidingBoundaryCondition<DIM>::VerifyBoundaryCondition()
{
    // Without further information, it is not possible to directly verify the boundary condition
    return true;
}
 
template<unsigned DIM>
void SlidingBoundaryCondition<DIM>::OutputCellPopulationBoundaryConditionParameters(out_stream& rParamsFile)
{
    *rParamsFile << "\t\t\t<Threshold>" << mThreshold << "</Threshold>\n";
 
    // Call method on direct parent class
    AbstractCellPopulationBoundaryCondition<DIM>::OutputCellPopulationBoundaryConditionParameters(rParamsFile);
}
 
// Explicit instantiation
template class SlidingBoundaryCondition<1>;
template class SlidingBoundaryCondition<2>;
template class SlidingBoundaryCondition<3>;
 
// Serialization for Boost >= 1.36
#include "SerializationExportWrapperForCpp.hpp"
EXPORT_TEMPLATE_CLASS_SAME_DIMS(SlidingBoundaryCondition)