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DiffusionLDG.h
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File: DiffusionLDG.h
4 //
5 // For more information, please see: http://www.nektar.info
6 //
7 // The MIT License
8 //
9 // Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10 // Department of Aeronautics, Imperial College London (UK), and Scientific
11 // Computing and Imaging Institute, University of Utah (USA).
12 //
13 // License for the specific language governing rights and limitations under
14 // Permission is hereby granted, free of charge, to any person obtaining a
15 // copy of this software and associated documentation files (the "Software"),
16 // to deal in the Software without restriction, including without limitation
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19 // Software is furnished to do so, subject to the following conditions:
20 //
21 // The above copyright notice and this permission notice shall be included
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23 //
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
25 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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30 // DEALINGS IN THE SOFTWARE.
31 //
32 // Description: LDG diffusion class.
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NEKTAR_SOLVERUTILS_DIFFUSIONWEAKDG
37 #define NEKTAR_SOLVERUTILS_DIFFUSIONWEAKDG
38 
40 
41 namespace Nektar
42 {
43  namespace SolverUtils
44  {
45  class DiffusionLDG : public Diffusion
46  {
47  public:
48  static DiffusionSharedPtr create(std::string diffType)
49  {
50  return DiffusionSharedPtr(new DiffusionLDG());
51  }
52 
53  static std::string type;
54 
55  protected:
56  DiffusionLDG();
57 
58  std::string m_shockCaptureType;
59 
60  Array<OneD, Array<OneD, NekDouble> > m_traceNormals;
62 
63  virtual void v_InitObject(
65  Array<OneD, MultiRegions::ExpListSharedPtr> pFields);
66 
67  virtual void v_Diffuse(
68  const int nConvective,
69  const Array<OneD, MultiRegions::ExpListSharedPtr> &fields,
70  const Array<OneD, Array<OneD, NekDouble> > &inarray,
71  Array<OneD, Array<OneD, NekDouble> > &outarray);
72 
73  virtual void v_NumFluxforScalar(
74  const Array<OneD, MultiRegions::ExpListSharedPtr> &fields,
75  const Array<OneD, Array<OneD, NekDouble> > &ufield,
76  Array<OneD, Array<OneD, Array<OneD, NekDouble> > >&uflux);
77 
78  virtual void v_WeakPenaltyforScalar(
79  const Array<OneD, MultiRegions::ExpListSharedPtr> &fields,
80  const int var,
81  const Array<OneD, const NekDouble> &ufield,
82  Array<OneD, NekDouble> &penaltyflux);
83 
84  virtual void v_NumFluxforVector(
85  const Array<OneD, MultiRegions::ExpListSharedPtr> &fields,
86  const Array<OneD, Array<OneD, NekDouble> > &ufield,
87  Array<OneD, Array<OneD, Array<OneD, NekDouble> > >&qfield,
88  Array<OneD, Array<OneD, NekDouble> > &qflux);
89 
90  virtual void v_WeakPenaltyforVector(
91  const Array<OneD, MultiRegions::ExpListSharedPtr> &fields,
92  const int var,
93  const int dir,
94  const Array<OneD, const NekDouble> &qfield,
95  Array<OneD, NekDouble> &penaltyflux,
96  NekDouble C11);
97  };
98  }
99 }
100 
101 #endif