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UnsteadyDiffusion.h
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File UnsteadyDiffusion.h
4 //
5 // For more information, please see: http://www.nektar.info
6 //
7 // The MIT License
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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 //
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31 //
32 // Description: Unsteady diffusion solve routines
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NEKTAR_SOLVERS_ADRSOLVER_EQUATIONSYSTEMS_UNSTEADYDIFFUSION_H
37 #define NEKTAR_SOLVERS_ADRSOLVER_EQUATIONSYSTEMS_UNSTEADYDIFFUSION_H
38 
41 
42 using namespace Nektar::SolverUtils;
43 
44 namespace Nektar
45 {
47  {
48  public:
50 
51  /// Creates an instance of this class
53  const LibUtilities::SessionReaderSharedPtr& pSession) {
55  p->InitObject();
56  return p;
57  }
58  /// Name of class
59  static std::string className;
60 
61  /// Destructor
62  virtual ~UnsteadyDiffusion();
63 
64  protected:
66  NekDouble m_sVVCutoffRatio; // cut off ratio from which to start decayhing modes
67  NekDouble m_sVVDiffCoeff; // Diffusion coefficient of SVV modes
70 
71  virtual void v_GenerateSummary(SummaryList &s);
72 
74  const LibUtilities::SessionReaderSharedPtr& pSession);
75 
76  virtual void v_InitObject();
77 
78  void GetFluxVector(
79  const int i,
80  const int j,
81  const Array<OneD, Array<OneD, NekDouble> > &physfield,
82  Array<OneD, Array<OneD, NekDouble> > &derivatives,
84  void DoOdeRhs(
85  const Array<OneD, const Array<OneD, NekDouble> >&inarray,
86  Array<OneD, Array<OneD, NekDouble> >&outarray,
87  const NekDouble time);
88  void DoOdeProjection(
89  const Array<OneD, const Array<OneD, NekDouble> > &inarray,
90  Array<OneD, Array<OneD, NekDouble> > &outarray,
91  const NekDouble time);
92  virtual void DoImplicitSolve(
93  const Array<OneD, const Array<OneD, NekDouble> >&inarray,
94  Array<OneD, Array<OneD, NekDouble> >&outarray,
95  NekDouble time,
96  NekDouble lambda);
97 
98  private:
102  };
103 }
104 
105 #endif
SolverUtils::RiemannSolverSharedPtr m_riemannSolver
static boost::shared_ptr< DataType > AllocateSharedPtr()
Allocate a shared pointer from the memory pool.
General purpose memory allocation routines with the ability to allocate from thread specific memory p...
std::vector< std::pair< std::string, std::string > > SummaryList
Definition: Misc.h:47
boost::shared_ptr< RiemannSolver > RiemannSolverSharedPtr
A shared pointer to an EquationSystem object.
boost::shared_ptr< SessionReader > SessionReaderSharedPtr
Definition: MeshPartition.h:51
static EquationSystemSharedPtr create(const LibUtilities::SessionReaderSharedPtr &pSession)
Creates an instance of this class.
boost::shared_ptr< EquationSystem > EquationSystemSharedPtr
A shared pointer to an EquationSystem object.
static std::string className
Name of class.
std::map< StdRegions::VarCoeffType, Array< OneD, NekDouble > > VarCoeffMap
Definition: StdRegions.hpp:226
Base class for unsteady solvers.
boost::shared_ptr< Diffusion > DiffusionSharedPtr
A shared pointer to an EquationSystem object.
Definition: Diffusion.h:164
double NekDouble
SolverUtils::DiffusionSharedPtr m_diffusion
StdRegions::VarCoeffMap m_varcoeff