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ShallowWaterSystem.h
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File ShallowWaterSystem.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
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31 //
32 // Description: Generic timestepping for shallow water solvers
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NEKTAR_SOLVERS_SHALLOWWATERSOLVER_EQUATIONSYSTEMS_SHALLOWWATERSYSTEM_H
37 #define NEKTAR_SOLVERS_SHALLOWWATERSOLVER_EQUATIONSYSTEMS_SHALLOWWATERSYSTEM_H
38 
43 
44 namespace Nektar
45 {
46 
47  /// Base class for unsteady solvers.
49  {
50  public:
52 
53  /// Creates an instance of this class
56  {
58  }
59 
60  /// Name of class
61  static std::string className;
62 
63  /// Destructor
64  virtual ~ShallowWaterSystem();
65 
66  protected:
71 
72  /// Indicates if variables are primitive or conservative
74  /// Indicates if constant depth case
76  /// Acceleration of gravity
78  /// Still water depth
79  Array<OneD, NekDouble> m_depth;
80  // Bottom slopes
81  Array<OneD, Array<OneD, NekDouble> > m_bottomSlope;
82  /// Coriolis force
83  Array<OneD, NekDouble> m_coriolis;
84  // Location of velocity vector.
85  Array<OneD, Array<OneD, NekDouble> > m_vecLocs;
86  /// Initialises UnsteadySystem class members.
88 
89  virtual void v_InitObject();
90 
91  /// Print a summary of time stepping parameters.
93 
95  {
97  }
98  virtual void v_PrimitiveToConservative();
99 
101  {
103  }
104  virtual void v_ConservativeToPrimitive();
105 
106 
108  {
109  return m_g;
110  }
111 
112  const Array<OneD, const Array<OneD, NekDouble> > &GetVecLocs()
113  {
114  return m_vecLocs;
115  }
116 
117  const Array<OneD, const Array<OneD, NekDouble> > &GetNormals()
118  {
119  return m_traceNormals;
120  }
121 
122  const Array<OneD, NekDouble> &GetDepth()
123  {
124  return m_depth;
125  }
126 
128  {
129  return m_constantDepth;
130  }
131 
132  void CopyBoundaryTrace(const Array<OneD, NekDouble>&Fwd, Array<OneD, NekDouble>&Bwd);
133 
134 
135  private:
136  ///
137  void EvaluateWaterDepth(void);
138 
139  ///
140  void EvaluateCoriolis(void);
141 
142  };
143 }
144 
145 #endif