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DiffusionLFRNS.h
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1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 // File: DiffusionLFRNS.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 //
13 // License for the specific language governing rights and limitations under
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31 //
32 // Description: LFRNS diffusion class.
33 //
34 ///////////////////////////////////////////////////////////////////////////////
35 
36 #ifndef NEKTAR_SOLVERUTILS_DIFFUSIONLFRNS
37 #define NEKTAR_SOLVERUTILS_DIFFUSIONLFRNS
38 
40 
41 namespace Nektar
42 {
43  namespace SolverUtils
44  {
45  class DiffusionLFRNS : public Diffusion
46  {
47  public:
48  static DiffusionSharedPtr create(std::string diffType)
49  {
50  return DiffusionSharedPtr(new DiffusionLFRNS(diffType));
51  }
52 
53  static std::string type[];
54 
57 
62 
71 
72  protected:
73  DiffusionLFRNS(std::string diffType);
74 
81  std::string m_ViscosityType;
86 
87 
99 
102 
104 
107 
108  std::string m_diffType;
109 
110  virtual void v_InitObject(
113 
114  virtual void v_SetupMetrics(
117 
118  virtual void v_SetupCFunctions(
121 
122  virtual void v_Diffuse(
123  const int nConvective,
125  const Array<OneD, Array<OneD, NekDouble> > &inarray,
126  Array<OneD, Array<OneD, NekDouble> > &outarray);
127 
128  virtual void v_NumericalFluxO1(
130  const Array<OneD, Array<OneD, NekDouble> > &inarray,
132  &numericalFluxO1);
133 
134  virtual void v_WeakPenaltyO1(
136  const Array<OneD, Array<OneD, NekDouble> > &inarray,
137  Array<OneD, Array<OneD, NekDouble> > &penaltyfluxO1);
138 
139  virtual void v_NumericalFluxO2(
141  const Array<OneD, Array<OneD, NekDouble> > &ufield,
143  Array<OneD, Array<OneD, NekDouble> > &qflux);
144 
145  virtual void v_WeakPenaltyO2(
147  const int var,
148  const int dir,
149  const Array<OneD, const NekDouble> &qfield,
150  Array<OneD, NekDouble> &penaltyflux);
151 
152  virtual void v_DerCFlux_1D(
153  const int nConvectiveFields,
155  const Array<OneD, const NekDouble> &flux,
156  const Array<OneD, const NekDouble> &iFlux,
157  Array<OneD, NekDouble> &derCFlux);
158 
159  virtual void v_DerCFlux_2D(
160  const int nConvectiveFields,
161  const int direction,
163  const Array<OneD, const NekDouble> &flux,
164  const Array<OneD, NekDouble> &iFlux,
165  Array<OneD, NekDouble> &derCFlux);
166 
167  virtual void v_DivCFlux_2D(
168  const int nConvectiveFields,
170  const Array<OneD, const NekDouble> &fluxX1,
171  const Array<OneD, const NekDouble> &fluxX2,
172  const Array<OneD, const NekDouble> &numericalFlux,
173  Array<OneD, NekDouble> &divCFlux);
174 
175  virtual void v_DivCFlux_2D_Gauss(
176  const int nConvectiveFields,
178  const Array<OneD, const NekDouble> &fluxX1,
179  const Array<OneD, const NekDouble> &fluxX2,
180  const Array<OneD, const NekDouble> &numericalFlux,
181  Array<OneD, NekDouble> &divCFlux);
182 
183  virtual void v_FluxVec(
184  Array<OneD, Array<OneD, Array<OneD, NekDouble> > > &fluxvector)
185  {
186  fluxvector = m_viscTensor;
187  };
188 
189  virtual void v_SetHomoDerivs(
191  {
192  m_homoDerivs = deriv;
193  }
194 
196  {
197  return m_viscTensor;
198  }
199  };
200 
201  typedef boost::shared_ptr<DiffusionLFRNS> DiffusionLFRNSSharedPtr;
202  }
203 }
204 
205 #endif
206 
Array< OneD, Array< OneD, NekDouble > > m_dGR_xi1
virtual void v_DerCFlux_2D(const int nConvectiveFields, const int direction, const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, const NekDouble > &flux, const Array< OneD, NekDouble > &iFlux, Array< OneD, NekDouble > &derCFlux)
Compute the derivative of the corrective flux wrt a given coordinate for 2D problems.
virtual void v_SetupMetrics(LibUtilities::SessionReaderSharedPtr pSession, Array< OneD, MultiRegions::ExpListSharedPtr > pFields)
Setup the metric terms to compute the contravariant fluxes. (i.e. this special metric terms transform...
virtual void v_SetupCFunctions(LibUtilities::SessionReaderSharedPtr pSession, Array< OneD, MultiRegions::ExpListSharedPtr > pFields)
Setup the derivatives of the correction functions. For more details see J Sci Comput (2011) 47: 50–7...
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_DU1
boost::shared_ptr< DiffusionLFRNS > DiffusionLFRNSSharedPtr
virtual void v_DivCFlux_2D(const int nConvectiveFields, const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, const NekDouble > &fluxX1, const Array< OneD, const NekDouble > &fluxX2, const Array< OneD, const NekDouble > &numericalFlux, Array< OneD, NekDouble > &divCFlux)
Compute the divergence of the corrective flux for 2D problems.
Array< OneD, Array< OneD, NekDouble > > m_dGR_xi2
virtual void v_NumericalFluxO1(const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &numericalFluxO1)
Builds the numerical flux for the 1st order derivatives.
virtual Array< OneD, Array< OneD, Array< OneD, NekDouble > > > & v_GetFluxTensor()
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_BD1
Array< OneD, Array< OneD, NekDouble > > m_traceNormals
virtual void v_WeakPenaltyO1(const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &penaltyfluxO1)
Imposes appropriate bcs for the 1st order derivatives.
Array< OneD, Array< OneD, NekDouble > > m_Q2D_e0
LibUtilities::SessionReaderSharedPtr m_session
DiffusionLFRNS(std::string diffType)
DiffusionLFRNS uses the Flux Reconstruction (FR) approach to compute the diffusion term...
virtual void v_DivCFlux_2D_Gauss(const int nConvectiveFields, const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, const NekDouble > &fluxX1, const Array< OneD, const NekDouble > &fluxX2, const Array< OneD, const NekDouble > &numericalFlux, Array< OneD, NekDouble > &divCFlux)
Compute the divergence of the corrective flux for 2D problems where POINTSTYPE="GaussGaussLegendre".
Array< OneD, Array< OneD, NekDouble > > m_dGL_xi1
virtual void v_FluxVec(Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &fluxvector)
virtual void v_DerCFlux_1D(const int nConvectiveFields, const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, const NekDouble > &flux, const Array< OneD, const NekDouble > &iFlux, Array< OneD, NekDouble > &derCFlux)
Compute the derivative of the corrective flux for 1D problems.
boost::shared_ptr< DNekMat > DNekMatSharedPtr
Definition: NekTypeDefs.hpp:70
boost::shared_ptr< SessionReader > SessionReaderSharedPtr
Definition: MeshPartition.h:51
Array< OneD, Array< OneD, NekDouble > > m_homoDerivs
Array< OneD, NekDouble > m_jac
virtual void v_Diffuse(const int nConvective, const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray)
Calculate FR Diffusion for the Navier-Stokes (NS) equations using an LDG interface flux...
virtual void v_WeakPenaltyO2(const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const int var, const int dir, const Array< OneD, const NekDouble > &qfield, Array< OneD, NekDouble > &penaltyflux)
Imposes appropriate bcs for the 2nd order derivatives.
Array< OneD, Array< OneD, NekDouble > > m_Q2D_e3
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_tmp2
virtual void v_SetHomoDerivs(Array< OneD, Array< OneD, NekDouble > > &deriv)
Array< OneD, Array< OneD, NekDouble > > m_dGL_xi3
static DiffusionSharedPtr create(std::string diffType)
boost::shared_ptr< Diffusion > DiffusionSharedPtr
A shared pointer to an EquationSystem object.
Definition: Diffusion.h:164
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_tmp1
Array< OneD, Array< OneD, NekDouble > > m_divFD
double NekDouble
Array< OneD, Array< OneD, NekDouble > > m_dGR_xi3
Array< OneD, Array< OneD, NekDouble > > m_dGL_xi2
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_IF1
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_DD1
Array< OneD, Array< OneD, NekDouble > > m_Q2D_e2
Array< OneD, Array< OneD, NekDouble > > m_gmat
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_DFC1
virtual void v_InitObject(LibUtilities::SessionReaderSharedPtr pSession, Array< OneD, MultiRegions::ExpListSharedPtr > pFields)
Initiliase DiffusionLFRNS objects and store them before starting the time-stepping.
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_viscTensor
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_D1
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > m_DFC2
Array< OneD, Array< OneD, NekDouble > > m_traceVel
Array< OneD, Array< OneD, NekDouble > > m_viscFlux
virtual void v_NumericalFluxO2(const Array< OneD, MultiRegions::ExpListSharedPtr > &fields, const Array< OneD, Array< OneD, NekDouble > > &ufield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &qfield, Array< OneD, Array< OneD, NekDouble > > &qflux)
Build the numerical flux for the 2nd order derivatives.
Array< OneD, Array< OneD, NekDouble > > m_divFC
Array< OneD, Array< OneD, NekDouble > > m_Q2D_e1