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Nektar::RinglebFlow Class Reference

#include <RinglebFlow.h>

Inheritance diagram for Nektar::RinglebFlow:
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Collaboration diagram for Nektar::RinglebFlow:
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Public Member Functions

virtual ~RinglebFlow ()
 Destructor for EulerCFE class. More...
 
- Public Member Functions inherited from Nektar::EulerCFE
virtual ~EulerCFE ()
 Destructor for EulerCFE class. More...
 
- Public Member Functions inherited from Nektar::CompressibleFlowSystem
virtual ~CompressibleFlowSystem ()
 Destructor for CompressibleFlowSystem class. More...
 
NekDouble GetStabilityLimit (int n)
 Function to calculate the stability limit for DG/CG. More...
 
Array< OneD, NekDoubleGetStabilityLimitVector (const Array< OneD, int > &ExpOrder)
 Function to calculate the stability limit for DG/CG (a vector of them). More...
 
- Public Member Functions inherited from Nektar::SolverUtils::UnsteadySystem
virtual SOLVER_UTILS_EXPORT ~UnsteadySystem ()
 Destructor. More...
 
SOLVER_UTILS_EXPORT NekDouble GetTimeStep (const Array< OneD, const Array< OneD, NekDouble > > &inarray)
 Calculate the larger time-step mantaining the problem stable. More...
 
- Public Member Functions inherited from Nektar::SolverUtils::EquationSystem
virtual SOLVER_UTILS_EXPORT ~EquationSystem ()
 Destructor. More...
 
SOLVER_UTILS_EXPORT void SetUpTraceNormals (void)
 
SOLVER_UTILS_EXPORT void InitObject ()
 Initialises the members of this object. More...
 
SOLVER_UTILS_EXPORT void DoInitialise ()
 Perform any initialisation necessary before solving the problem. More...
 
SOLVER_UTILS_EXPORT void DoSolve ()
 Solve the problem. More...
 
SOLVER_UTILS_EXPORT void TransCoeffToPhys ()
 Transform from coefficient to physical space. More...
 
SOLVER_UTILS_EXPORT void TransPhysToCoeff ()
 Transform from physical to coefficient space. More...
 
SOLVER_UTILS_EXPORT void Output ()
 Perform output operations after solve. More...
 
SOLVER_UTILS_EXPORT NekDouble LinfError (unsigned int field, const Array< OneD, NekDouble > &exactsoln=NullNekDouble1DArray)
 Linf error computation. More...
 
SOLVER_UTILS_EXPORT std::string GetSessionName ()
 Get Session name. More...
 
template<class T >
boost::shared_ptr< T > as ()
 
SOLVER_UTILS_EXPORT void ResetSessionName (std::string newname)
 Reset Session name. More...
 
SOLVER_UTILS_EXPORT
LibUtilities::SessionReaderSharedPtr 
GetSession ()
 Get Session name. More...
 
SOLVER_UTILS_EXPORT
MultiRegions::ExpListSharedPtr 
GetPressure ()
 Get pressure field if available. More...
 
SOLVER_UTILS_EXPORT void PrintSummary (std::ostream &out)
 Print a summary of parameters and solver characteristics. More...
 
SOLVER_UTILS_EXPORT void SetLambda (NekDouble lambda)
 Set parameter m_lambda. More...
 
SOLVER_UTILS_EXPORT void EvaluateFunction (Array< OneD, Array< OneD, NekDouble > > &pArray, std::string pFunctionName, const NekDouble pTime=0.0, const int domain=0)
 Evaluates a function as specified in the session file. More...
 
SOLVER_UTILS_EXPORT void EvaluateFunction (std::vector< std::string > pFieldNames, Array< OneD, Array< OneD, NekDouble > > &pFields, const std::string &pName, const NekDouble &pTime=0.0, const int domain=0)
 Populate given fields with the function from session. More...
 
SOLVER_UTILS_EXPORT void EvaluateFunction (std::vector< std::string > pFieldNames, Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const std::string &pName, const NekDouble &pTime=0.0, const int domain=0)
 Populate given fields with the function from session. More...
 
SOLVER_UTILS_EXPORT void EvaluateFunction (std::string pFieldName, Array< OneD, NekDouble > &pArray, const std::string &pFunctionName, const NekDouble &pTime=0.0, const int domain=0)
 
SOLVER_UTILS_EXPORT std::string DescribeFunction (std::string pFieldName, const std::string &pFunctionName, const int domain)
 Provide a description of a function for a given field name. More...
 
SOLVER_UTILS_EXPORT void InitialiseBaseFlow (Array< OneD, Array< OneD, NekDouble > > &base)
 Perform initialisation of the base flow. More...
 
SOLVER_UTILS_EXPORT void SetInitialConditions (NekDouble initialtime=0.0, bool dumpInitialConditions=true, const int domain=0)
 Initialise the data in the dependent fields. More...
 
SOLVER_UTILS_EXPORT void EvaluateExactSolution (int field, Array< OneD, NekDouble > &outfield, const NekDouble time)
 Evaluates an exact solution. More...
 
SOLVER_UTILS_EXPORT NekDouble L2Error (unsigned int field, const Array< OneD, NekDouble > &exactsoln, bool Normalised=false)
 Compute the L2 error between fields and a given exact solution. More...
 
SOLVER_UTILS_EXPORT NekDouble L2Error (unsigned int field, bool Normalised=false)
 Compute the L2 error of the fields. More...
 
SOLVER_UTILS_EXPORT Array
< OneD, NekDouble
ErrorExtraPoints (unsigned int field)
 Compute error (L2 and L_inf) over an larger set of quadrature points return [L2 Linf]. More...
 
SOLVER_UTILS_EXPORT void WeakAdvectionGreensDivergenceForm (const Array< OneD, Array< OneD, NekDouble > > &F, Array< OneD, NekDouble > &outarray)
 Compute the inner product $ (\nabla \phi \cdot F) $. More...
 
SOLVER_UTILS_EXPORT void WeakAdvectionDivergenceForm (const Array< OneD, Array< OneD, NekDouble > > &F, Array< OneD, NekDouble > &outarray)
 Compute the inner product $ (\phi, \nabla \cdot F) $. More...
 
SOLVER_UTILS_EXPORT void WeakAdvectionNonConservativeForm (const Array< OneD, Array< OneD, NekDouble > > &V, const Array< OneD, const NekDouble > &u, Array< OneD, NekDouble > &outarray, bool UseContCoeffs=false)
 Compute the inner product $ (\phi, V\cdot \nabla u) $. More...
 
f SOLVER_UTILS_EXPORT void AdvectionNonConservativeForm (const Array< OneD, Array< OneD, NekDouble > > &V, const Array< OneD, const NekDouble > &u, Array< OneD, NekDouble > &outarray, Array< OneD, NekDouble > &wk=NullNekDouble1DArray)
 Compute the non-conservative advection. More...
 
SOLVER_UTILS_EXPORT void WeakDGAdvection (const Array< OneD, Array< OneD, NekDouble > > &InField, Array< OneD, Array< OneD, NekDouble > > &OutField, bool NumericalFluxIncludesNormal=true, bool InFieldIsInPhysSpace=false, int nvariables=0)
 Calculate the weak discontinuous Galerkin advection. More...
 
SOLVER_UTILS_EXPORT void WeakDGDiffusion (const Array< OneD, Array< OneD, NekDouble > > &InField, Array< OneD, Array< OneD, NekDouble > > &OutField, bool NumericalFluxIncludesNormal=true, bool InFieldIsInPhysSpace=false)
 Calculate weak DG Diffusion in the LDG form. More...
 
SOLVER_UTILS_EXPORT void Checkpoint_Output (const int n)
 Write checkpoint file of m_fields. More...
 
SOLVER_UTILS_EXPORT void Checkpoint_Output (const int n, MultiRegions::ExpListSharedPtr &field, std::vector< Array< OneD, NekDouble > > &fieldcoeffs, std::vector< std::string > &variables)
 Write checkpoint file of custom data fields. More...
 
SOLVER_UTILS_EXPORT void Checkpoint_BaseFlow (const int n)
 Write base flow file of m_fields. More...
 
SOLVER_UTILS_EXPORT void WriteFld (const std::string &outname)
 Write field data to the given filename. More...
 
SOLVER_UTILS_EXPORT void WriteFld (const std::string &outname, MultiRegions::ExpListSharedPtr &field, std::vector< Array< OneD, NekDouble > > &fieldcoeffs, std::vector< std::string > &variables)
 Write input fields to the given filename. More...
 
SOLVER_UTILS_EXPORT void ImportFld (const std::string &infile, Array< OneD, MultiRegions::ExpListSharedPtr > &pFields)
 Input field data from the given file. More...
 
SOLVER_UTILS_EXPORT void ImportFldToMultiDomains (const std::string &infile, Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const int ndomains)
 Input field data from the given file to multiple domains. More...
 
SOLVER_UTILS_EXPORT void ImportFld (const std::string &infile, std::vector< std::string > &fieldStr, Array< OneD, Array< OneD, NekDouble > > &coeffs)
 Output a field. Input field data into array from the given file. More...
 
SOLVER_UTILS_EXPORT void ImportFld (const std::string &infile, MultiRegions::ExpListSharedPtr &pField, std::string &pFieldName)
 Output a field. Input field data into ExpList from the given file. More...
 
SOLVER_UTILS_EXPORT void ScanForHistoryPoints ()
 Builds map of which element holds each history point. More...
 
SOLVER_UTILS_EXPORT void WriteHistoryData (std::ostream &out)
 Probe each history point and write to file. More...
 
SOLVER_UTILS_EXPORT void SessionSummary (SummaryList &vSummary)
 Write out a session summary. More...
 
SOLVER_UTILS_EXPORT Array
< OneD,
MultiRegions::ExpListSharedPtr > & 
UpdateFields ()
 
SOLVER_UTILS_EXPORT
LibUtilities::FieldMetaDataMap
UpdateFieldMetaDataMap ()
 Get hold of FieldInfoMap so it can be updated. More...
 
SOLVER_UTILS_EXPORT NekDouble GetFinalTime ()
 Return final time. More...
 
SOLVER_UTILS_EXPORT int GetNcoeffs ()
 
SOLVER_UTILS_EXPORT int GetNcoeffs (const int eid)
 
SOLVER_UTILS_EXPORT int GetNumExpModes ()
 
SOLVER_UTILS_EXPORT const
Array< OneD, int > 
GetNumExpModesPerExp ()
 
SOLVER_UTILS_EXPORT int GetNvariables ()
 
SOLVER_UTILS_EXPORT const
std::string 
GetVariable (unsigned int i)
 
SOLVER_UTILS_EXPORT int GetTraceTotPoints ()
 
SOLVER_UTILS_EXPORT int GetTraceNpoints ()
 
SOLVER_UTILS_EXPORT int GetExpSize ()
 
SOLVER_UTILS_EXPORT int GetPhys_Offset (int n)
 
SOLVER_UTILS_EXPORT int GetCoeff_Offset (int n)
 
SOLVER_UTILS_EXPORT int GetTotPoints ()
 
SOLVER_UTILS_EXPORT int GetTotPoints (int n)
 
SOLVER_UTILS_EXPORT int GetNpoints ()
 
SOLVER_UTILS_EXPORT int GetNumElmVelocity ()
 
SOLVER_UTILS_EXPORT int GetSteps ()
 
SOLVER_UTILS_EXPORT NekDouble GetTimeStep ()
 
SOLVER_UTILS_EXPORT void CopyFromPhysField (const int i, Array< OneD, NekDouble > &output)
 
SOLVER_UTILS_EXPORT void CopyToPhysField (const int i, Array< OneD, NekDouble > &output)
 
SOLVER_UTILS_EXPORT void SetSteps (const int steps)
 
SOLVER_UTILS_EXPORT void ZeroPhysFields ()
 
SOLVER_UTILS_EXPORT void FwdTransFields ()
 
SOLVER_UTILS_EXPORT void GetFluxVector (const int i, Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &flux)
 
SOLVER_UTILS_EXPORT void GetFluxVector (const int i, Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &fluxX, Array< OneD, Array< OneD, NekDouble > > &fluxY)
 
SOLVER_UTILS_EXPORT void GetFluxVector (const int i, const int j, Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &flux)
 
SOLVER_UTILS_EXPORT void NumericalFlux (Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &numflux)
 
SOLVER_UTILS_EXPORT void NumericalFlux (Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &numfluxX, Array< OneD, Array< OneD, NekDouble > > &numfluxY)
 
SOLVER_UTILS_EXPORT void NumFluxforScalar (const Array< OneD, Array< OneD, NekDouble > > &ufield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &uflux)
 
SOLVER_UTILS_EXPORT void NumFluxforVector (const Array< OneD, Array< OneD, NekDouble > > &ufield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &qfield, Array< OneD, Array< OneD, NekDouble > > &qflux)
 
SOLVER_UTILS_EXPORT void SetModifiedBasis (const bool modbasis)
 
SOLVER_UTILS_EXPORT int NoCaseStringCompare (const std::string &s1, const std::string &s2)
 Perform a case-insensitive string comparison. More...
 
SOLVER_UTILS_EXPORT int GetCheckpointNumber ()
 
SOLVER_UTILS_EXPORT void SetCheckpointNumber (int num)
 
SOLVER_UTILS_EXPORT int GetCheckpointSteps ()
 
SOLVER_UTILS_EXPORT void SetCheckpointSteps (int num)
 
SOLVER_UTILS_EXPORT void SetTime (const NekDouble time)
 
SOLVER_UTILS_EXPORT void SetInitialStep (const int step)
 
SOLVER_UTILS_EXPORT void SetBoundaryConditions (NekDouble time)
 Evaluates the boundary conditions at the given time. More...
 
virtual SOLVER_UTILS_EXPORT bool v_NegatedOp ()
 Virtual function to identify if operator is negated in DoSolve. More...
 

Static Public Member Functions

static
SolverUtils::EquationSystemSharedPtr 
create (const LibUtilities::SessionReaderSharedPtr &pSession)
 Creates an instance of this class. More...
 
- Static Public Member Functions inherited from Nektar::EulerCFE
static
SolverUtils::EquationSystemSharedPtr 
create (const LibUtilities::SessionReaderSharedPtr &pSession)
 Creates an instance of this class. More...
 

Static Public Attributes

static std::string className
 Name of class. More...
 
- Static Public Attributes inherited from Nektar::EulerCFE
static std::string className
 Name of class. More...
 
static std::string className2
 

Protected Member Functions

 RinglebFlow (const LibUtilities::SessionReaderSharedPtr &pSession)
 
virtual void v_GenerateSummary (SolverUtils::SummaryList &s)
 Print a summary of time stepping parameters. More...
 
virtual void v_EvaluateExactSolution (unsigned int field, Array< OneD, NekDouble > &outfield, const NekDouble time=0.0)
 Get the exact solutions for isentropic vortex and Ringleb flow problems. More...
 
- Protected Member Functions inherited from Nektar::EulerCFE
 EulerCFE (const LibUtilities::SessionReaderSharedPtr &pSession)
 
- Protected Member Functions inherited from Nektar::CompressibleFlowSystem
 CompressibleFlowSystem (const LibUtilities::SessionReaderSharedPtr &pSession)
 
virtual void v_InitObject ()
 Initialization object for CompressibleFlowSystem class. More...
 
void InitialiseParameters ()
 Load CFS parameters from the session file. More...
 
void InitAdvection ()
 Create advection and diffusion objects for CFS. More...
 
void DoOdeRhs (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time)
 Compute the right-hand side. More...
 
void DoOdeProjection (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time)
 Compute the projection and call the method for imposing the boundary conditions in case of discontinuous projection. More...
 
void DoAdvection (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time, const Array< OneD, Array< OneD, NekDouble > > &pFwd, const Array< OneD, Array< OneD, NekDouble > > &pBwd)
 Compute the advection terms for the right-hand side. More...
 
void DoDiffusion (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const Array< OneD, Array< OneD, NekDouble > > &pFwd, const Array< OneD, Array< OneD, NekDouble > > &pBwd)
 Add the diffusions terms to the right-hand side. More...
 
void GetFluxVector (const Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &flux)
 Return the flux vector for the compressible Euler equations. More...
 
void GetFluxVectorDeAlias (const Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &flux)
 Return the flux vector for the compressible Euler equations by using the de-aliasing technique. More...
 
void InitializeSteadyState ()
 
void SetBoundaryConditions (Array< OneD, Array< OneD, NekDouble > > &physarray, NekDouble time)
 
void GetStdVelocity (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, NekDouble > &stdV)
 Compute the advection velocity in the standard space for each element of the expansion. More...
 
virtual bool v_PostIntegrate (int step)
 Perform post-integration checks, presently just to check steady state behaviour. More...
 
bool CalcSteadyState (bool output)
 Calculate whether the system has reached a steady state by observing residuals to a user-defined tolerance. More...
 
virtual NekDouble v_GetTimeStep (const Array< OneD, const Array< OneD, NekDouble > > &inarray)
 Calculate the maximum timestep subject to CFL restrictions. More...
 
virtual void v_SetInitialConditions (NekDouble initialtime=0.0, bool dumpInitialConditions=true, const int domain=0)
 Set up logic for residual calculation. More...
 
NekDouble GetGamma ()
 
const Array< OneD, const Array
< OneD, NekDouble > > & 
GetVecLocs ()
 
const Array< OneD, const Array
< OneD, NekDouble > > & 
GetNormals ()
 
virtual void v_ExtraFldOutput (std::vector< Array< OneD, NekDouble > > &fieldcoeffs, std::vector< std::string > &variables)
 
virtual void v_DoDiffusion (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const Array< OneD, Array< OneD, NekDouble > > &pFwd, const Array< OneD, Array< OneD, NekDouble > > &pBwd)
 
- Protected Member Functions inherited from Nektar::SolverUtils::UnsteadySystem
SOLVER_UTILS_EXPORT UnsteadySystem (const LibUtilities::SessionReaderSharedPtr &pSession)
 Initialises UnsteadySystem class members. More...
 
SOLVER_UTILS_EXPORT NekDouble MaxTimeStepEstimator ()
 Get the maximum timestep estimator for cfl control. More...
 
virtual SOLVER_UTILS_EXPORT void v_DoSolve ()
 Solves an unsteady problem. More...
 
virtual SOLVER_UTILS_EXPORT void v_DoInitialise ()
 Sets up initial conditions. More...
 
virtual SOLVER_UTILS_EXPORT void v_AppendOutput1D (Array< OneD, Array< OneD, NekDouble > > &solution1D)
 Print the solution at each solution point in a txt file. More...
 
virtual SOLVER_UTILS_EXPORT void v_NumericalFlux (Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &numflux)
 
virtual SOLVER_UTILS_EXPORT void v_NumericalFlux (Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &numfluxX, Array< OneD, Array< OneD, NekDouble > > &numfluxY)
 
virtual SOLVER_UTILS_EXPORT void v_NumFluxforScalar (const Array< OneD, Array< OneD, NekDouble > > &ufield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &uflux)
 
virtual SOLVER_UTILS_EXPORT void v_NumFluxforVector (const Array< OneD, Array< OneD, NekDouble > > &ufield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &qfield, Array< OneD, Array< OneD, NekDouble > > &qflux)
 
virtual SOLVER_UTILS_EXPORT bool v_PreIntegrate (int step)
 
virtual SOLVER_UTILS_EXPORT bool v_SteadyStateCheck (int step)
 
virtual SOLVER_UTILS_EXPORT bool v_RequireFwdTrans ()
 
SOLVER_UTILS_EXPORT void CheckForRestartTime (NekDouble &time, int &nchk)
 
SOLVER_UTILS_EXPORT void SVVVarDiffCoeff (const Array< OneD, Array< OneD, NekDouble > > vel, StdRegions::VarCoeffMap &varCoeffMap)
 Evaluate the SVV diffusion coefficient according to Moura's paper where it should proportional to h time velocity. More...
 
- Protected Member Functions inherited from Nektar::SolverUtils::EquationSystem
SOLVER_UTILS_EXPORT EquationSystem (const LibUtilities::SessionReaderSharedPtr &pSession)
 Initialises EquationSystem class members. More...
 
int nocase_cmp (const std::string &s1, const std::string &s2)
 
virtual SOLVER_UTILS_EXPORT
NekDouble 
v_LinfError (unsigned int field, const Array< OneD, NekDouble > &exactsoln=NullNekDouble1DArray)
 Virtual function for the L_inf error computation between fields and a given exact solution. More...
 
virtual SOLVER_UTILS_EXPORT
NekDouble 
v_L2Error (unsigned int field, const Array< OneD, NekDouble > &exactsoln=NullNekDouble1DArray, bool Normalised=false)
 Virtual function for the L_2 error computation between fields and a given exact solution. More...
 
virtual SOLVER_UTILS_EXPORT void v_TransCoeffToPhys ()
 Virtual function for transformation to physical space. More...
 
virtual SOLVER_UTILS_EXPORT void v_TransPhysToCoeff ()
 Virtual function for transformation to coefficient space. More...
 
SOLVER_UTILS_EXPORT void EvaluateFunctionExp (std::string pFieldName, Array< OneD, NekDouble > &pArray, const std::string &pFunctionName, const NekDouble &pTime=0.0, const int domain=0)
 
SOLVER_UTILS_EXPORT void EvaluateFunctionFld (std::string pFieldName, Array< OneD, NekDouble > &pArray, const std::string &pFunctionName, const NekDouble &pTime=0.0, const int domain=0)
 
SOLVER_UTILS_EXPORT void EvaluateFunctionPts (std::string pFieldName, Array< OneD, NekDouble > &pArray, const std::string &pFunctionName, const NekDouble &pTime=0.0, const int domain=0)
 
SOLVER_UTILS_EXPORT void LoadPts (std::string funcFilename, std::string filename, Nektar::LibUtilities::PtsFieldSharedPtr &outPts)
 
SOLVER_UTILS_EXPORT void SetUpBaseFields (SpatialDomains::MeshGraphSharedPtr &mesh)
 
SOLVER_UTILS_EXPORT void ImportFldBase (std::string pInfile, SpatialDomains::MeshGraphSharedPtr pGraph)
 
virtual SOLVER_UTILS_EXPORT void v_Output (void)
 
virtual SOLVER_UTILS_EXPORT
MultiRegions::ExpListSharedPtr 
v_GetPressure (void)
 

Private Member Functions

void GetExactRinglebFlow (int field, Array< OneD, NekDouble > &outarray)
 Ringleb Flow Test Case. More...
 

Friends

class MemoryManager< RinglebFlow >
 

Additional Inherited Members

- Public Attributes inherited from Nektar::SolverUtils::UnsteadySystem
NekDouble m_cflSafetyFactor
 CFL safety factor (comprise between 0 to 1). More...
 
- Protected Types inherited from Nektar::SolverUtils::EquationSystem
enum  HomogeneousType { eHomogeneous1D, eHomogeneous2D, eHomogeneous3D, eNotHomogeneous }
 Parameter for homogeneous expansions. More...
 
- Protected Attributes inherited from Nektar::CompressibleFlowSystem
SolverUtils::AdvectionSharedPtr m_advection
 
SolverUtils::DiffusionSharedPtr m_diffusion
 
ArtificialDiffusionSharedPtr m_artificialDiffusion
 
Array< OneD, Array< OneD,
NekDouble > > 
m_vecLocs
 
NekDouble m_gamma
 
NekDouble m_pInf
 
NekDouble m_rhoInf
 
NekDouble m_UInf
 
std::string m_ViscosityType
 
std::string m_shockCaptureType
 
NekDouble m_mu
 
NekDouble m_thermalConductivity
 
NekDouble m_Cp
 
NekDouble m_Prandtl
 
VariableConverterSharedPtr m_varConv
 
std::vector< CFSBndCondSharedPtrm_bndConds
 
std::ofstream m_errFile
 
NekDouble m_steadyStateTol
 
std::vector
< SolverUtils::ForcingSharedPtr
m_forcing
 
Array< OneD, Array< OneD,
NekDouble > > 
m_un
 
- Protected Attributes inherited from Nektar::SolverUtils::UnsteadySystem
int m_infosteps
 Number of time steps between outputting status information. More...
 
int m_nanSteps
 
LibUtilities::TimeIntegrationWrapperSharedPtr m_intScheme
 Wrapper to the time integration scheme. More...
 
LibUtilities::TimeIntegrationSchemeOperators m_ode
 The time integration scheme operators to use. More...
 
LibUtilities::TimeIntegrationSolutionSharedPtr m_intSoln
 
NekDouble m_epsilon
 
bool m_explicitDiffusion
 Indicates if explicit or implicit treatment of diffusion is used. More...
 
bool m_explicitAdvection
 Indicates if explicit or implicit treatment of advection is used. More...
 
bool m_explicitReaction
 Indicates if explicit or implicit treatment of reaction is used. More...
 
bool m_homoInitialFwd
 Flag to determine if simulation should start in homogeneous forward transformed state. More...
 
std::vector< int > m_intVariables
 
std::vector< FilterSharedPtrm_filters
 
- Protected Attributes inherited from Nektar::SolverUtils::EquationSystem
LibUtilities::CommSharedPtr m_comm
 Communicator. More...
 
LibUtilities::SessionReaderSharedPtr m_session
 The session reader. More...
 
LibUtilities::FieldIOSharedPtr m_fld
 Field input/output. More...
 
std::map< std::string,
FieldUtils::Interpolator
m_interpolators
 Map of interpolator objects. More...
 
std::map< std::string,
std::pair< std::string,
LibUtilities::PtsFieldSharedPtr > > 
m_loadedPtsFields
 pts fields we already read from disk: {funcFilename: (filename, ptsfield)} More...
 
std::map< std::string,
std::pair< std::string,
loadedFldField > > 
m_loadedFldFields
 
Array< OneD,
MultiRegions::ExpListSharedPtr
m_fields
 Array holding all dependent variables. More...
 
Array< OneD,
MultiRegions::ExpListSharedPtr
m_base
 Base fields. More...
 
Array< OneD,
MultiRegions::ExpListSharedPtr
m_derivedfields
 Array holding all dependent variables. More...
 
SpatialDomains::BoundaryConditionsSharedPtr m_boundaryConditions
 Pointer to boundary conditions object. More...
 
SpatialDomains::MeshGraphSharedPtr m_graph
 Pointer to graph defining mesh. More...
 
std::string m_sessionName
 Name of the session. More...
 
NekDouble m_time
 Current time of simulation. More...
 
int m_initialStep
 Number of the step where the simulation should begin. More...
 
NekDouble m_fintime
 Finish time of the simulation. More...
 
NekDouble m_timestep
 Time step size. More...
 
NekDouble m_lambda
 Lambda constant in real system if one required. More...
 
NekDouble m_checktime
 Time between checkpoints. More...
 
int m_nchk
 Number of checkpoints written so far. More...
 
int m_steps
 Number of steps to take. More...
 
int m_checksteps
 Number of steps between checkpoints. More...
 
int m_spacedim
 Spatial dimension (>= expansion dim). More...
 
int m_expdim
 Expansion dimension. More...
 
bool m_singleMode
 Flag to determine if single homogeneous mode is used. More...
 
bool m_halfMode
 Flag to determine if half homogeneous mode is used. More...
 
bool m_multipleModes
 Flag to determine if use multiple homogenenous modes are used. More...
 
bool m_useFFT
 Flag to determine if FFT is used for homogeneous transform. More...
 
bool m_homogen_dealiasing
 Flag to determine if dealiasing is used for homogeneous simulations. More...
 
bool m_specHP_dealiasing
 Flag to determine if dealisising is usde for the Spectral/hp element discretisation. More...
 
enum MultiRegions::ProjectionType m_projectionType
 Type of projection; e.g continuous or discontinuous. More...
 
Array< OneD, Array< OneD,
NekDouble > > 
m_traceNormals
 Array holding trace normals for DG simulations in the forwards direction. More...
 
Array< OneD, Array< OneD,
Array< OneD, NekDouble > > > 
m_gradtan
 1 x nvariable x nq More...
 
Array< OneD, Array< OneD,
Array< OneD, NekDouble > > > 
m_tanbasis
 2 x m_spacedim x nq More...
 
Array< OneD, bool > m_checkIfSystemSingular
 Flag to indicate if the fields should be checked for singularity. More...
 
LibUtilities::FieldMetaDataMap m_fieldMetaDataMap
 Map to identify relevant solver info to dump in output fields. More...
 
int m_NumQuadPointsError
 Number of Quadrature points used to work out the error. More...
 
enum HomogeneousType m_HomogeneousType
 
NekDouble m_LhomX
 physical length in X direction (if homogeneous) More...
 
NekDouble m_LhomY
 physical length in Y direction (if homogeneous) More...
 
NekDouble m_LhomZ
 physical length in Z direction (if homogeneous) More...
 
int m_npointsX
 number of points in X direction (if homogeneous) More...
 
int m_npointsY
 number of points in Y direction (if homogeneous) More...
 
int m_npointsZ
 number of points in Z direction (if homogeneous) More...
 
int m_HomoDirec
 number of homogenous directions More...
 

Detailed Description

Definition at line 44 of file RinglebFlow.h.

Constructor & Destructor Documentation

Nektar::RinglebFlow::~RinglebFlow ( )
virtual

Destructor for EulerCFE class.

Definition at line 56 of file RinglebFlow.cpp.

57  {
58  }
Nektar::RinglebFlow::RinglebFlow ( const LibUtilities::SessionReaderSharedPtr pSession)
protected

Definition at line 47 of file RinglebFlow.cpp.

49  : EulerCFE(pSession)
50  {
51  }
EulerCFE(const LibUtilities::SessionReaderSharedPtr &pSession)
Definition: EulerCFE.cpp:54

Member Function Documentation

static SolverUtils::EquationSystemSharedPtr Nektar::RinglebFlow::create ( const LibUtilities::SessionReaderSharedPtr pSession)
inlinestatic

Creates an instance of this class.

Definition at line 50 of file RinglebFlow.h.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), and CellMLToNektar.cellml_metadata::p.

52  {
54  p->InitObject();
55  return p;
56  }
static boost::shared_ptr< DataType > AllocateSharedPtr()
Allocate a shared pointer from the memory pool.
boost::shared_ptr< EquationSystem > EquationSystemSharedPtr
A shared pointer to an EquationSystem object.
void Nektar::RinglebFlow::GetExactRinglebFlow ( int  field,
Array< OneD, NekDouble > &  outarray 
)
private

Ringleb Flow Test Case.

Compute the exact solution for the Ringleb flow problem.

Definition at line 84 of file RinglebFlow.cpp.

References ASSERTL0, Nektar::SolverUtils::EquationSystem::GetTotPoints(), Nektar::SolverUtils::EquationSystem::m_fields, Nektar::CompressibleFlowSystem::m_gamma, and class_topology::P.

Referenced by v_EvaluateExactSolution().

87  {
88  int nTotQuadPoints = GetTotPoints();
89 
90  Array<OneD, NekDouble> rho(nTotQuadPoints, 100.0);
91  Array<OneD, NekDouble> rhou(nTotQuadPoints);
92  Array<OneD, NekDouble> rhov(nTotQuadPoints);
93  Array<OneD, NekDouble> E(nTotQuadPoints);
94  Array<OneD, NekDouble> x(nTotQuadPoints);
95  Array<OneD, NekDouble> y(nTotQuadPoints);
96  Array<OneD, NekDouble> z(nTotQuadPoints);
97 
98  m_fields[0]->GetCoords(x, y, z);
99 
100  // Flow parameters
101  NekDouble c, k, phi, r, J, VV, pp, sint, P, ss;
102  NekDouble J11, J12, J21, J22, det;
103  NekDouble Fx, Fy;
104  NekDouble xi, yi;
105  NekDouble dV;
106  NekDouble dtheta;
107  NekDouble par1;
108  NekDouble theta = M_PI / 4.0;
109  NekDouble kExt = 0.7;
110  NekDouble V = kExt * sin(theta);
111  NekDouble toll = 1.0e-8;
112  NekDouble errV = 1.0;
113  NekDouble errTheta = 1.0;
114  NekDouble gamma = m_gamma;
115  NekDouble gamma_1_2 = (gamma - 1.0) / 2.0;
116 
117  for (int i = 0; i < nTotQuadPoints; ++i)
118  {
119  while ((abs(errV) > toll) || (abs(errTheta) > toll))
120  {
121  VV = V * V;
122  sint = sin(theta);
123  c = sqrt(1.0 - gamma_1_2 * VV);
124  k = V / sint;
125  phi = 1.0 / k;
126  pp = phi * phi;
127  J = 1.0 / c + 1.0 / (3.0 * c * c * c) +
128  1.0 / (5.0 * c * c * c * c * c) -
129  0.5 * log((1.0 + c) / (1.0 - c));
130 
131  r = pow(c, 1.0 / gamma_1_2);
132  xi = 1.0 / (2.0 * r) * (1.0 / VV - 2.0 * pp) + J / 2.0;
133  yi = phi / (r * V) * sqrt(1.0 - VV * pp);
134  par1 = 25.0 - 5.0 * VV;
135  ss = sint * sint;
136 
137  Fx = xi - x[i];
138  Fy = yi - y[i];
139 
140  J11 = 39062.5 / pow(par1, 3.5) * (1.0 / VV - 2.0 / VV * ss) *
141  V + 1562.5 / pow(par1, 2.5) * (-2.0 / (VV * V) + 4.0 /
142  (VV * V) * ss) + 12.5 / pow(par1, 1.5) * V + 312.5 /
143  pow(par1, 2.5) * V + 7812.5 / pow(par1, 3.5) * V -
144  0.25 * (-1.0 / pow(par1, 0.5) * V/(1.0 - 0.2 *
145  pow(par1, 0.5)) - (1.0 + 0.2 * pow(par1, 0.5)) /
146  pow((1.0 - 0.2 * pow(par1, 0.5)), 2.0) /
147  pow(par1, 0.5) * V) / (1.0 + 0.2 * pow(par1, 0.5)) *
148  (1.0 - 0.2 * pow(par1, 0.5));
149 
150  J12 = -6250.0 / pow(par1, 2.5) / VV * sint * cos(theta);
151  J21 = -6250.0 / (VV * V) * sint /
152  pow(par1, 2.5) * pow((1.0 - ss), 0.5) +
153  78125.0 / V * sint / pow(par1, 3.5) *
154  pow((1.0 - ss), 0.5);
155 
156  // the matrix is singular when theta = pi/2
157  if(abs(y[i])<toll && abs(cos(theta))<toll)
158  {
159  J22 = -39062.5 / pow(par1, 3.5) / V + 3125 /
160  pow(par1, 2.5) / (VV * V) + 12.5 / pow(par1, 1.5) *
161  V + 312.5 / pow(par1, 2.5) * V + 7812.5 /
162  pow(par1, 3.5) * V - 0.25 * (-1.0 / pow(par1, 0.5) *
163  V / (1.0 - 0.2 * pow(par1, 0.5)) - (1.0 + 0.2 *
164  pow(par1, 0.5)) / pow((1.0 - 0.2 *
165  pow(par1, 0.5)), 2.0) / pow(par1, 0.5) * V) /
166  (1.0 + 0.2 * pow(par1, 0.5)) * (1.0 - 0.2 *
167  pow(par1,0.5));
168 
169  // dV = -dV/dx * Fx
170  dV = -1.0 / J22 * Fx;
171  dtheta = 0.0;
172  theta = M_PI / 2.0;
173  }
174  else
175  {
176  J22 = 3125.0 / VV * cos(theta) / pow(par1, 2.5) *
177  pow((1.0 - ss), 0.5) - 3125.0 / VV * ss /
178  pow(par1, 2.5) / pow((1.0 - ss), 0.5) * cos(theta);
179 
180  det = -1.0 / (J11 * J22 - J12 * J21);
181 
182  // [dV dtheta]' = -[invJ]*[Fx Fy]'
183  dV = det * ( J22 * Fx - J12 * Fy);
184  dtheta = det * (-J21 * Fx + J11 * Fy);
185  }
186 
187  V = V + dV;
188  theta = theta + dtheta;
189 
190  errV = abs(dV);
191  errTheta = abs(dtheta);
192 
193  }
194 
195  c = sqrt(1.0 - gamma_1_2 * VV);
196  r = pow(c, 1.0 / gamma_1_2);
197 
198  rho[i] = r;
199  rhou[i] = rho[i] * V * cos(theta);
200  rhov[i] = rho[i] * V * sin(theta);
201  P = (c * c) * rho[i] / gamma;
202  E[i] = P / (gamma - 1.0) + 0.5 *
203  (rhou[i] * rhou[i] / rho[i] + rhov[i] * rhov[i] / rho[i]);
204 
205  // Resetting the guess value
206  errV = 1.0;
207  errTheta = 1.0;
208  theta = M_PI/4.0;
209  V = kExt*sin(theta);
210  }
211 
212  switch (field)
213  {
214  case 0:
215  outarray = rho;
216  break;
217  case 1:
218  outarray = rhou;
219  break;
220  case 2:
221  outarray = rhov;
222  break;
223  case 3:
224  outarray = E;
225  break;
226  default:
227  ASSERTL0(false, "Error in variable number!");
228  break;
229  }
230  }
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:198
SOLVER_UTILS_EXPORT int GetTotPoints()
double NekDouble
Array< OneD, MultiRegions::ExpListSharedPtr > m_fields
Array holding all dependent variables.
void Nektar::RinglebFlow::v_EvaluateExactSolution ( unsigned int  field,
Array< OneD, NekDouble > &  outfield,
const NekDouble  time = 0.0 
)
protectedvirtual

Get the exact solutions for isentropic vortex and Ringleb flow problems.

Reimplemented from Nektar::SolverUtils::EquationSystem.

Definition at line 73 of file RinglebFlow.cpp.

References GetExactRinglebFlow().

77  {
78  GetExactRinglebFlow( field, outfield);
79  }
void GetExactRinglebFlow(int field, Array< OneD, NekDouble > &outarray)
Ringleb Flow Test Case.
Definition: RinglebFlow.cpp:84
void Nektar::RinglebFlow::v_GenerateSummary ( SolverUtils::SummaryList s)
protectedvirtual

Print a summary of time stepping parameters.

Print out a summary with some relevant information.

Reimplemented from Nektar::SolverUtils::UnsteadySystem.

Definition at line 63 of file RinglebFlow.cpp.

References Nektar::SolverUtils::AddSummaryItem(), and Nektar::SolverUtils::UnsteadySystem::v_GenerateSummary().

64  {
66  SolverUtils::AddSummaryItem(s, "Problem Type", "RinglebFlow");
67  }
virtual SOLVER_UTILS_EXPORT void v_GenerateSummary(SummaryList &s)
Print a summary of time stepping parameters.
void AddSummaryItem(SummaryList &l, const std::string &name, const std::string &value)
Adds a summary item to the summary info list.
Definition: Misc.cpp:50

Friends And Related Function Documentation

friend class MemoryManager< RinglebFlow >
friend

Definition at line 47 of file RinglebFlow.h.

Member Data Documentation

string Nektar::RinglebFlow::className
static
Initial value:
=
"RinglebFlow", RinglebFlow::create,
"Euler equations for Ringleb flow.")

Name of class.

Definition at line 58 of file RinglebFlow.h.