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ExtrapOrder0BC.cpp
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2 //
3 // File: ExtrapOrder0BC.cpp
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30 //
31 // Description: Extrapolation of order 0 boundary condition
32 //
33 ///////////////////////////////////////////////////////////////////////////////
34 
35 #include <boost/core/ignore_unused.hpp>
36 
37 #include "ExtrapOrder0BC.h"
38 
39 using namespace std;
40 
41 namespace Nektar
42 {
43 
44 std::string ExtrapOrder0BC::className =
46  "ExtrapOrder0", ExtrapOrder0BC::create,
47  "Extrapolation of order 0 boundary condition.");
48 
49 ExtrapOrder0BC::ExtrapOrder0BC(
52  const Array<OneD, Array<OneD, NekDouble>> &pTraceNormals,
53  const int pSpaceDim, const int bcRegion, const int cnt)
54  : CFSBndCond(pSession, pFields, pTraceNormals, pSpaceDim, bcRegion, cnt)
55 {
56 }
57 
59  Array<OneD, Array<OneD, NekDouble>> &physarray,
60  const NekDouble &time)
61 {
62  boost::ignore_unused(time);
63 
64  int i, j;
65  int e, pnt;
66  int id1, id2, nBCEdgePts;
67  int nVariables = physarray.size();
68  int nDimensions = m_spacedim;
69 
70  const Array<OneD, const int> &traceBndMap = m_fields[0]->GetTraceBndMap();
71 
72  int eMax;
73 
74  eMax = m_fields[0]->GetBndCondExpansions()[m_bcRegion]->GetExpSize();
75 
76  // Loop on m_bcRegions
77  for (e = 0; e < eMax; ++e)
78  {
79  nBCEdgePts = m_fields[0]
80  ->GetBndCondExpansions()[m_bcRegion]
81  ->GetExp(e)
82  ->GetTotPoints();
83  id1 =
84  m_fields[0]->GetBndCondExpansions()[m_bcRegion]->GetPhys_Offset(e);
85  id2 =
86  m_fields[0]->GetTrace()->GetPhys_Offset(traceBndMap[m_offset + e]);
87 
88  // Loop on points of m_bcRegion 'e'
89  for (i = 0; i < nBCEdgePts; i++)
90  {
91  pnt = id2 + i;
92 
93  // Setting up bcs for density and velocities
94  for (j = 0; j <= nDimensions; ++j)
95  {
96  (m_fields[j]
97  ->GetBndCondExpansions()[m_bcRegion]
98  ->UpdatePhys())[id1 + i] = Fwd[j][pnt];
99  }
100 
101  // Setting up bcs for energy
102  (m_fields[nVariables - 1]
103  ->GetBndCondExpansions()[m_bcRegion]
104  ->UpdatePhys())[id1 + i] = Fwd[nVariables - 1][pnt];
105  }
106  }
107 }
108 
109 } // namespace Nektar
Encapsulates the user-defined boundary conditions for compressible flow solver.
Definition: CFSBndCond.h:70
int m_spacedim
Space dimension.
Definition: CFSBndCond.h:95
int m_bcRegion
Id of the boundary region.
Definition: CFSBndCond.h:109
int m_offset
Offset.
Definition: CFSBndCond.h:111
Array< OneD, MultiRegions::ExpListSharedPtr > m_fields
Array of fields.
Definition: CFSBndCond.h:91
virtual void v_Apply(Array< OneD, Array< OneD, NekDouble >> &Fwd, Array< OneD, Array< OneD, NekDouble >> &physarray, const NekDouble &time) override
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, std::string pDesc="")
Register a class with the factory.
Definition: NekFactory.hpp:198
std::shared_ptr< SessionReader > SessionReaderSharedPtr
The above copyright notice and this permission notice shall be included.
Definition: CoupledSolver.h:2
CFSBndCondFactory & GetCFSBndCondFactory()
Declaration of the boundary condition factory singleton.
Definition: CFSBndCond.cpp:41
double NekDouble