Chaste Commit::baa90ac2819b962188b7562f2326be23c47859a7
ExtendedBidomainNeumannSurfaceTermAssembler.hpp
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35
36#ifndef EXTENDEDBIDOMAINNEUMANNSURFACETERMASSEMBLER_HPP_
37#define EXTENDEDBIDOMAINNEUMANNSURFACETERMASSEMBLER_HPP_
38
39#include "AbstractFeSurfaceIntegralAssembler.hpp"
40
41
49template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
51{
52protected:
71 virtual c_vector<double, 3*ELEMENT_DIM> ComputeVectorSurfaceTerm(
72 const BoundaryElement<ELEMENT_DIM-1,SPACE_DIM> &rSurfaceElement,
73 c_vector<double,ELEMENT_DIM> &rPhi,
75
76public:
88};
89
90
91// LCOV_EXCL_START //no non-zero Neumann BC allowed at the moment in extended bidomain problems
92template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
94 const BoundaryElement<ELEMENT_DIM-1,SPACE_DIM> &rSurfaceElement,
95 c_vector<double,ELEMENT_DIM> &rPhi,
97{
98 // D_times_gradu_dot_n = [D grad(u)].n, D=diffusion matrix
99 double sigma_i_times_grad_phi_i_first_cell_dot_n = this->mpBoundaryConditions->GetNeumannBCValue(&rSurfaceElement, rX, 0);
100 double sigma_i_times_grad_phi_i_second_cell_dot_n = this->mpBoundaryConditions->GetNeumannBCValue(&rSurfaceElement, rX, 1);
101 double sigma_e_times_grad_phi_e_dot_n = this->mpBoundaryConditions->GetNeumannBCValue(&rSurfaceElement, rX, 2);
102
103 c_vector<double, 3*ELEMENT_DIM> ret;
104
105// for (unsigned i=0; i<3*ELEMENT_DIM; i = i + 3)
106// {
107// ret(i) = rPhi(i)*sigma_i_times_grad_phi_i_first_cell_dot_n;
108// ret(i+1) = rPhi(i)*sigma_i_times_grad_phi_i_second_cell_dot_n;
109// ret(i+2) = rPhi(i)*(sigma_i_times_grad_phi_i_first_cell_dot_n + sigma_i_times_grad_phi_i_second_cell_dot_n + sigma_e_times_grad_phi_e_dot_n);
110// }
111 for (unsigned i=0; i<ELEMENT_DIM; i++)
112 {
113 ret(3*i) = rPhi(i)*sigma_i_times_grad_phi_i_first_cell_dot_n;
114 ret(3*i+1) = rPhi(i)*sigma_i_times_grad_phi_i_second_cell_dot_n;
115 ret(3*i+2) = rPhi(i)*(sigma_i_times_grad_phi_i_first_cell_dot_n + sigma_i_times_grad_phi_i_second_cell_dot_n + sigma_e_times_grad_phi_e_dot_n);
116 }
117 return ret;
118}
119// LCOV_EXCL_STOP
120
121#endif // EXTENDEDBIDOMAINNEUMANNSURFACETERMASSEMBLER_HPP_
virtual c_vector< double, 3 *ELEMENT_DIM > ComputeVectorSurfaceTerm(const BoundaryElement< ELEMENT_DIM-1, SPACE_DIM > &rSurfaceElement, c_vector< double, ELEMENT_DIM > &rPhi, ChastePoint< SPACE_DIM > &rX)
ExtendedBidomainNeumannSurfaceTermAssembler(AbstractTetrahedralMesh< ELEMENT_DIM, SPACE_DIM > *pMesh, BoundaryConditionsContainer< ELEMENT_DIM, SPACE_DIM, 3 > *pBoundaryConditions)