Chaste  Release::3.4
NaturalNeumannSurfaceTermAssembler.hpp
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35 
36 #ifndef NATURALNEUMANNSURFACETERMASSEMBLER_HPP
37 #define NATURALNEUMANNSURFACETERMASSEMBLER_HPP
38 
39 #include "AbstractFeSurfaceIntegralAssembler.hpp"
40 
41 
61 template<unsigned ELEMENT_DIM, unsigned SPACE_DIM, unsigned PROBLEM_DIM>
62 class NaturalNeumannSurfaceTermAssembler : public AbstractFeSurfaceIntegralAssembler<ELEMENT_DIM,SPACE_DIM,PROBLEM_DIM>
63 {
64 protected:
66  double mScaleFactor;
67 
68 
83  virtual c_vector<double, PROBLEM_DIM*ELEMENT_DIM> ComputeVectorSurfaceTerm(
84  const BoundaryElement<ELEMENT_DIM-1,SPACE_DIM>& rSurfaceElement,
85  c_vector<double, ELEMENT_DIM>& rPhi,
87 
88 public:
97  : AbstractFeSurfaceIntegralAssembler<ELEMENT_DIM,SPACE_DIM,PROBLEM_DIM>(pMesh, pBoundaryConditions),
98  mScaleFactor(1.0)
99  {
100  }
101 
106  void SetScaleFactor(double scaleFactor)
107  {
108  mScaleFactor = scaleFactor;
109  }
110 };
111 
112 
113 
114 template <unsigned ELEMENT_DIM, unsigned SPACE_DIM, unsigned PROBLEM_DIM>
116  const BoundaryElement<ELEMENT_DIM-1,SPACE_DIM>& rSurfaceElement,
117  c_vector<double, ELEMENT_DIM>& rPhi,
119 {
120  c_vector<double, ELEMENT_DIM*PROBLEM_DIM> ret;
121  c_vector<double, PROBLEM_DIM> neumann_bc_values;
122 
123  for (unsigned i=0; i<ELEMENT_DIM; i++)
124  {
125  for(unsigned problem_dim = 0; problem_dim<PROBLEM_DIM; problem_dim++)
126  {
127  double neumann_bc_value = this->mpBoundaryConditions->GetNeumannBCValue(&rSurfaceElement, rX, problem_dim);
128 
129  ret(PROBLEM_DIM*i + problem_dim) = mScaleFactor * rPhi(i) * neumann_bc_value;
130  }
131  }
132 
133  return ret;
134 }
135 
136 #endif /* NATURALNEUMANNSURFACETERMASSEMBLER_HPP */
BoundaryConditionsContainer< ELEMENT_DIM, SPACE_DIM, PROBLEM_DIM > * mpBoundaryConditions
virtual c_vector< double, PROBLEM_DIM *ELEMENT_DIM > ComputeVectorSurfaceTerm(const BoundaryElement< ELEMENT_DIM-1, SPACE_DIM > &rSurfaceElement, c_vector< double, ELEMENT_DIM > &rPhi, ChastePoint< SPACE_DIM > &rX)
NaturalNeumannSurfaceTermAssembler(AbstractTetrahedralMesh< ELEMENT_DIM, SPACE_DIM > *pMesh, BoundaryConditionsContainer< ELEMENT_DIM, SPACE_DIM, PROBLEM_DIM > *pBoundaryConditions)