Chaste Commit::ca8ccdedf819b6e02855bc0e8e6f50bdecbc5208
ExtendedBidomainNeumannSurfaceTermAssembler.hpp
1/*
2
3Copyright (c) 2005-2024, University of Oxford.
4All rights reserved.
5
6University of Oxford means the Chancellor, Masters and Scholars of the
7University of Oxford, having an administrative office at Wellington
8Square, Oxford OX1 2JD, UK.
9
10This file is part of Chaste.
11
12Redistribution and use in source and binary forms, with or without
13modification, are permitted provided that the following conditions are met:
14 * Redistributions of source code must retain the above copyright notice,
15 this list of conditions and the following disclaimer.
16 * Redistributions in binary form must reproduce the above copyright notice,
17 this list of conditions and the following disclaimer in the documentation
18 and/or other materials provided with the distribution.
19 * Neither the name of the University of Oxford nor the names of its
20 contributors may be used to endorse or promote products derived from this
21 software without specific prior written permission.
22
23THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
27LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
29GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33
34*/
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)