MonodomainCorrectionTermAssembler.cpp

/*

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*/


#include "MonodomainCorrectionTermAssembler.hpp"

template<unsigned ELEM_DIM, unsigned SPACE_DIM>
MonodomainCorrectionTermAssembler<ELEM_DIM,SPACE_DIM>::MonodomainCorrectionTermAssembler(
        AbstractTetrahedralMesh<ELEM_DIM,SPACE_DIM>* pMesh,
        MonodomainTissue<ELEM_DIM,SPACE_DIM>* pTissue,
        unsigned numQuadPoints)
    : AbstractCorrectionTermAssembler<ELEM_DIM,SPACE_DIM,1>(pMesh,pTissue,numQuadPoints)
{
    mpConfig = HeartConfig::Instance();
    assert(mpConfig->GetUseStateVariableInterpolation());
}

template<unsigned ELEM_DIM, unsigned SPACE_DIM>
c_vector<double,1*(ELEM_DIM+1)> MonodomainCorrectionTermAssembler<ELEM_DIM,SPACE_DIM>::ComputeVectorTerm(
    c_vector<double, ELEM_DIM+1> &rPhi,
    c_matrix<double, SPACE_DIM, ELEM_DIM+1> &rGradPhi /* not used */,
    ChastePoint<SPACE_DIM> &rX /* not used */,
    c_vector<double,1> &rU,
    c_matrix<double, 1, SPACE_DIM> &rGradU /* not used */,
    Element<ELEM_DIM,SPACE_DIM>* pElement)
{
    double Am = mpConfig->GetSurfaceAreaToVolumeRatio();

    // compute the ionic current at this quadrature point using the
    // interpolated state variables, and a random choice of cell (all
    // should be the same)
    unsigned node_global_index = pElement->GetNodeGlobalIndex(0);
    AbstractCardiacCellInterface* p_any_cell = this->mpCardiacTissue->GetCardiacCellOrHaloCell(node_global_index);
    double ionic_sv_interp = p_any_cell->GetIIonic(&(this->mStateVariablesAtQuadPoint));

    // add on the SVI ionic current, and take away the original ICI (linearly
    // interpolated ionic current) that would have been added as part of
    // the matrix-based assembly stage.
    return rPhi * (-Am) * ( ionic_sv_interp - this->mIionicInterp );
}




// explicit instantiation

template class MonodomainCorrectionTermAssembler<1,1>;
template class MonodomainCorrectionTermAssembler<1,2>;
template class MonodomainCorrectionTermAssembler<1,3>;
template class MonodomainCorrectionTermAssembler<2,2>;
template class MonodomainCorrectionTermAssembler<3,3>;