#include <Dummy.h>

Inheritance diagram for Nektar::Dummy:

Public Member Functions
virtual	~Dummy ()
	Destructor. 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...

SOLVER_UTILS_EXPORT void	SteadyStateResidual (int step, Array< OneD, NekDouble > &L2)

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 (bool DeclareField=true)
	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 >
std::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	ExtraFldOutput (std::vector< Array< OneD, NekDouble >> &fieldcoeffs, std::vector< std::string > &variables)

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 SessionFunctionSharedPtr	GetFunction (std::string name, const MultiRegions::ExpListSharedPtr &field=MultiRegions::NullExpListSharedPtr, bool cache=false)
	Get a SessionFunction by name. 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	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	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	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, const Array< OneD, const NekDouble > &input)

SOLVER_UTILS_EXPORT void	SetSteps (const int steps)

SOLVER_UTILS_EXPORT void	ZeroPhysFields ()

SOLVER_UTILS_EXPORT void	FwdTransFields ()

SOLVER_UTILS_EXPORT void	SetModifiedBasis (const bool modbasis)

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 int	GetInfoSteps ()

SOLVER_UTILS_EXPORT void	SetInfoSteps (int num)

SOLVER_UTILS_EXPORT int	GetPararealIterationNumber ()

SOLVER_UTILS_EXPORT void	SetPararealIterationNumber (int num)

SOLVER_UTILS_EXPORT bool	GetUseInitialCondition ()

SOLVER_UTILS_EXPORT void	SetUseInitialCondition (bool num)

SOLVER_UTILS_EXPORT Array< OneD, const Array< OneD, NekDouble > >	GetTraceNormals ()

SOLVER_UTILS_EXPORT void	SetTime (const NekDouble time)

SOLVER_UTILS_EXPORT void	SetTimeStep (const NekDouble timestep)

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...

SOLVER_UTILS_EXPORT bool	ParallelInTime ()
	Check if solver use Parallel-in-Time. More...

Static Public Member Functions
static EquationSystemSharedPtr	create (const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
	Creates an instance of this class. More...

Static Public Attributes
static std::string	className
	Name of class. More...

Static Public Attributes inherited from Nektar::SolverUtils::UnsteadySystem
static std::string	cmdSetStartTime

static std::string	cmdSetStartChkNum

Protected Member Functions
	Dummy (const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
	Initialises UnsteadySystem class members. More...

virtual void	v_InitObject (bool DeclareFields=true) override
	Initialization object for the Dummy class. 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...

virtual bool	v_PreIntegrate (int step) override
	v_PreIntegrate More...

virtual bool	v_PostIntegrate (int step) override
	v_PostIntegrate More...

virtual void	v_Output () override

virtual bool	v_RequireFwdTrans () override

Protected Member Functions inherited from Nektar::SolverUtils::UnsteadySystem
SOLVER_UTILS_EXPORT	UnsteadySystem (const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
	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 () override
	Solves an unsteady problem. More...

virtual SOLVER_UTILS_EXPORT void	v_DoInitialise () override
	Sets up initial conditions. More...

virtual SOLVER_UTILS_EXPORT void	v_GenerateSummary (SummaryList &s) override
	Print a summary of time stepping parameters. More...

virtual SOLVER_UTILS_EXPORT NekDouble	v_GetTimeStep (const Array< OneD, const Array< OneD, NekDouble >> &inarray)
	Return the timestep to be used for the next step in the time-marching loop. More...

virtual SOLVER_UTILS_EXPORT void	v_SteadyStateResidual (int step, Array< OneD, NekDouble > &L2)

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...

virtual SOLVER_UTILS_EXPORT bool	v_UpdateTimeStepCheck ()

SOLVER_UTILS_EXPORT void	DoDummyProjection (const Array< OneD, const Array< OneD, NekDouble >> &inarray, Array< OneD, Array< OneD, NekDouble >> &outarray, const NekDouble time)
	Perform dummy projection. More...

Protected Member Functions inherited from Nektar::SolverUtils::EquationSystem
SOLVER_UTILS_EXPORT	EquationSystem (const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
	Initialises EquationSystem class members. More...

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...

virtual SOLVER_UTILS_EXPORT void	v_SetInitialConditions (NekDouble initialtime=0.0, bool dumpInitialConditions=true, const int domain=0)

virtual SOLVER_UTILS_EXPORT void	v_EvaluateExactSolution (unsigned int field, Array< OneD, NekDouble > &outfield, const NekDouble time)

virtual SOLVER_UTILS_EXPORT MultiRegions::ExpListSharedPtr	v_GetPressure (void)

virtual SOLVER_UTILS_EXPORT void	v_ExtraFldOutput (std::vector< Array< OneD, NekDouble >> &fieldcoeffs, std::vector< std::string > &variables)

Protected Attributes
SolverUtils::CouplingSharedPtr	m_coupling

std::vector< SolverUtils::ForcingSharedPtr >	m_forcing

Protected Attributes inherited from Nektar::SolverUtils::UnsteadySystem
int	m_abortSteps
	Number of steps between checks for abort conditions. More...

int	m_filtersInfosteps
	Number of time steps between outputting filters information. More...

int	m_nanSteps

LibUtilities::TimeIntegrationSchemeSharedPtr	m_intScheme
	Wrapper to the time integration scheme. More...

LibUtilities::TimeIntegrationSchemeOperators	m_ode
	The time integration scheme operators to use. More...

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...

NekDouble	m_steadyStateTol
	Tolerance to which steady state should be evaluated at. More...

int	m_steadyStateSteps
	Check for steady state at step interval. More...

NekDouble	m_steadyStateRes = 1.0

NekDouble	m_steadyStateRes0 = 1.0

Array< OneD, Array< OneD, NekDouble > >	m_previousSolution
	Storage for previous solution for steady-state check. More...

std::ofstream	m_errFile

std::vector< int >	m_intVariables

std::vector< std::pair< std::string, FilterSharedPtr > >	m_filters

NekDouble	m_filterTimeWarning
	Number of time steps between outputting status information. More...

NekDouble	m_TimeIntegLambda = 0.0
	coefff of spacial derivatives(rhs or m_F in GLM) in calculating the residual of the whole equation(used in unsteady time integrations) More...

bool	m_flagImplicitItsStatistics

bool	m_flagImplicitSolver = false

Array< OneD, NekDouble >	m_magnitdEstimat
	estimate the magnitude of each conserved varibles More...

Array< OneD, NekDouble >	m_locTimeStep
	local time step(notice only for jfnk other see m_cflSafetyFactor) More...

NekDouble	m_inArrayNorm = -1.0

int	m_TotLinItePerStep = 0

int	m_StagesPerStep = 1

bool	m_flagUpdatePreconMat

int	m_maxLinItePerNewton

int	m_TotNewtonIts = 0

int	m_TotLinIts = 0

int	m_TotImpStages = 0

bool	m_CalcPhysicalAV = true
	flag to update artificial viscosity More...

Protected Attributes inherited from Nektar::SolverUtils::EquationSystem
LibUtilities::CommSharedPtr	m_comm
	Communicator. More...

bool	m_verbose

LibUtilities::SessionReaderSharedPtr	m_session
	The session reader. More...

std::map< std::string, SolverUtils::SessionFunctionSharedPtr >	m_sessionFunctions
	Map of known SessionFunctions. More...

LibUtilities::FieldIOSharedPtr	m_fld
	Field input/output. More...

Array< OneD, MultiRegions::ExpListSharedPtr >	m_fields
	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_timestepMax = -1.0
	Time step size. More...

NekDouble	m_lambda
	Lambda constant in real system if one required. More...

NekDouble	m_checktime
	Time between checkpoints. More...

NekDouble	m_lastCheckTime

NekDouble	m_TimeIncrementFactor

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_infosteps
	Number of time steps between outputting status information. More...

int	m_pararealIter
	Number of parareal time iteration. 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_useInitialCondition
	Flag to determine if IC are used. 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, 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...

Array< OneD, NekDouble >	m_movingFrameVelsxyz
	Moving frame of reference velocities. More...

Array< OneD, NekDouble >	m_movingFrameTheta
	Moving frame of reference angles with respect to the. More...

boost::numeric::ublas::matrix< NekDouble >	m_movingFrameProjMat
	Projection matrix for transformation between inertial and moving. 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...

Friends
class	MemoryManager< Dummy >

Additional Inherited Members
Public Attributes inherited from Nektar::SolverUtils::UnsteadySystem
NekDouble	m_cflSafetyFactor
	CFL safety factor (comprise between 0 to 1). More...

NekDouble	m_cflNonAcoustic

NekDouble	m_CFLGrowth
	CFL growth rate. More...

NekDouble	m_CFLEnd
	maximun cfl in cfl growth More...

Protected Types inherited from Nektar::SolverUtils::EquationSystem
enum	HomogeneousType { eHomogeneous1D , eHomogeneous2D , eHomogeneous3D , eNotHomogeneous }
	Parameter for homogeneous expansions. More...

Static Protected Attributes inherited from Nektar::SolverUtils::EquationSystem
static std::string	equationSystemTypeLookupIds []

Detailed Description

Definition at line 48 of file Dummy.h.

Constructor & Destructor Documentation

◆ ~Dummy()

Nektar::Dummy::~Dummy ( )

virtual

Destructor.

Destructor for Dummy class.

Definition at line 100 of file Dummy.cpp.

101 {

102 }

◆ Dummy()

Nektar::Dummy::Dummy	(	const LibUtilities::SessionReaderSharedPtr &	pSession,
		const SpatialDomains::MeshGraphSharedPtr &	pGraph
	)

protected

Initialises UnsteadySystem class members.

Definition at line 51 of file Dummy.cpp.

     : UnsteadySystem(pSession, pGraph)
 {
 }

Member Function Documentation

◆ create()

static EquationSystemSharedPtr Nektar::Dummy::create	(	const LibUtilities::SessionReaderSharedPtr &	pSession,
		const SpatialDomains::MeshGraphSharedPtr &	pGraph
	)

inlinestatic

Creates an instance of this class.

Definition at line 54 of file Dummy.h.

     {
         EquationSystemSharedPtr p =
             MemoryManager<Dummy>::AllocateSharedPtr(pSession, pGraph);
         p->InitObject();
         return p;
     }

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

◆ DoOdeProjection()

void Nektar::Dummy::DoOdeProjection	(	const Array< OneD, const Array< OneD, NekDouble >> &	inarray,
		Array< OneD, Array< OneD, NekDouble >> &	outarray,
		const NekDouble	time
	)

protected

Compute the projection and call the method for imposing the boundary conditions in case of discontinuous projection.

Definition at line 254 of file Dummy.cpp.

 {
     boost::ignore_unused(time);
  
     int nvariables = inarray.size();
     int nq         = m_fields[0]->GetNpoints();
  
     // deep copy
     for (int i = 0; i < nvariables; ++i)
     {
         Vmath::Vcopy(nq, inarray[i], 1, outarray[i], 1);
     }
 }

References Nektar::SolverUtils::EquationSystem::m_fields, and Vmath::Vcopy().

Referenced by v_InitObject().

◆ DoOdeRhs()

void Nektar::Dummy::DoOdeRhs	(	const Array< OneD, const Array< OneD, NekDouble >> &	inarray,
		Array< OneD, Array< OneD, NekDouble >> &	outarray,
		const NekDouble	time
	)

protected

Compute the right-hand side.

Definition at line 235 of file Dummy.cpp.

 {
     boost::ignore_unused(time);
  
     int nVariables = inarray.size();
     int nq         = GetTotPoints();
  
     for (int i = 0; i < nVariables; ++i)
     {
         Vmath::Zero(nq, outarray[i], 1);
     }
 }

References Nektar::SolverUtils::EquationSystem::GetTotPoints(), and Vmath::Zero().

Referenced by v_InitObject().

◆ v_InitObject()

void Nektar::Dummy::v_InitObject ( bool DeclareFields = true )

overrideprotectedvirtual

Initialization object for the Dummy class.

Reimplemented from Nektar::SolverUtils::UnsteadySystem.

Definition at line 60 of file Dummy.cpp.

 {
     UnsteadySystem::v_InitObject(DeclareFields);
  
     m_nanSteps = 0;
  
     m_ode.DefineOdeRhs(&Dummy::DoOdeRhs, this);
     m_ode.DefineProjection(&Dummy::DoOdeProjection, this);
  
     m_forcing = SolverUtils::Forcing::Load(m_session, shared_from_this(),
                                            m_fields, m_fields.size());
  
     if (m_session->DefinesElement("Nektar/Coupling"))
     {
         TiXmlElement *vCoupling = m_session->GetElement("Nektar/Coupling");
  
         ASSERTL0(vCoupling->Attribute("TYPE"),
                  "Missing TYPE attribute in Coupling");
         string vType = vCoupling->Attribute("TYPE");
         ASSERTL0(!vType.empty(),
                  "TYPE attribute must be non-empty in Coupling");
  
         m_coupling = GetCouplingFactory().CreateInstance(vType, m_fields[0]);
  
         auto sV = m_session->GetVariables();
         for (auto const &sendVar : m_coupling->GetSendFieldNames())
         {
             auto match = find(sV.begin(), sV.end(), sendVar);
             if (match != sV.end())
             {
                 int id = distance(sV.begin(), match);
                 m_intVariables.push_back(id);
             }
         }
     }
 }

References ASSERTL0, Nektar::LibUtilities::TimeIntegrationSchemeOperators::DefineOdeRhs(), Nektar::LibUtilities::TimeIntegrationSchemeOperators::DefineProjection(), DoOdeProjection(), DoOdeRhs(), Nektar::StdRegions::find(), Nektar::SolverUtils::GetCouplingFactory(), Nektar::SolverUtils::Forcing::Load(), m_coupling, Nektar::SolverUtils::EquationSystem::m_fields, m_forcing, Nektar::SolverUtils::UnsteadySystem::m_intVariables, Nektar::SolverUtils::UnsteadySystem::m_nanSteps, Nektar::SolverUtils::UnsteadySystem::m_ode, Nektar::SolverUtils::EquationSystem::m_session, and Nektar::SolverUtils::UnsteadySystem::v_InitObject().

◆ v_Output()

void Nektar::Dummy::v_Output ( void )

overrideprotectedvirtual

Write the field data to file. The file is named according to the session name with the extension .fld appended.

Reimplemented from Nektar::SolverUtils::EquationSystem.

Definition at line 184 of file Dummy.cpp.

 {
     if (m_coupling)
     {
         m_coupling->Finalize();
     }
  
     UnsteadySystem::v_Output();
  
     int f = 0;
     for (auto &x : m_forcing)
     {
         for (int i = 0; i < x->GetForces().size(); ++i)
         {
             int npts = GetTotPoints();
  
             NekDouble l2err   = 0.0;
             NekDouble linferr = 0.0;
             for (int j = 0; j < npts; ++j)
             {
                 l2err += x->GetForces()[i][j] * x->GetForces()[i][j];
                 linferr = max(linferr, fabs(x->GetForces()[i][j]));
             }
  
             m_comm->AllReduce(l2err, LibUtilities::ReduceSum);
             m_comm->AllReduce(npts, LibUtilities::ReduceSum);
             m_comm->AllReduce(linferr, LibUtilities::ReduceMax);
  
             l2err /= npts;
             l2err = sqrt(l2err);
  
             if (m_comm->TreatAsRankZero())
             {
                 cout << "L 2 error (variable "
                      << "F_" + boost::lexical_cast<string>(f) + "_" +
                             m_session->GetVariable(i)
                      << ") : " << l2err << endl;
  
                 cout << "L inf error (variable "
                      << "F_" + boost::lexical_cast<string>(f) + "_" +
                             m_session->GetVariable(i)
                      << ") : " << linferr << endl;
             }
         }
         f++;
     }
 }

References Nektar::SolverUtils::EquationSystem::GetTotPoints(), Nektar::SolverUtils::EquationSystem::m_comm, m_coupling, m_forcing, Nektar::SolverUtils::EquationSystem::m_session, Nektar::LibUtilities::ReduceMax, Nektar::LibUtilities::ReduceSum, tinysimd::sqrt(), and Nektar::SolverUtils::EquationSystem::v_Output().

◆ v_PostIntegrate()

bool Nektar::Dummy::v_PostIntegrate ( int step )

overrideprotectedvirtual

v_PostIntegrate

Reimplemented from Nektar::SolverUtils::UnsteadySystem.

Definition at line 147 of file Dummy.cpp.

 {
     if (m_coupling && m_coupling->GetSendFieldNames().size() > 0)
     {
         LibUtilities::Timer timer1;
         timer1.Start();
  
         auto sV = m_session->GetVariables();
         for (auto const &sendVar : m_coupling->GetSendFieldNames())
         {
             auto match = find(sV.begin(), sV.end(), sendVar);
             if (match != sV.end())
             {
                 int id = distance(sV.begin(), match);
                 GetFunction("SendFields", m_fields[id])
                     ->Evaluate(sendVar, m_fields[id]->UpdatePhys(), m_time);
             }
         }
  
         timer1.Stop();
         if (m_session->DefinesCmdLineArgument("verbose"))
         {
             cout << "Field evaluation time: " << timer1.TimePerTest(1) << endl;
         }
     }
  
     for (int i = 0; i < m_session->GetVariables().size(); ++i)
     {
  
         m_fields[i]->FwdTransLocalElmt(m_fields[i]->UpdatePhys(),
                                        m_fields[i]->UpdateCoeffs());
         m_fields[i]->SetPhysState(false);
     }
  
     return UnsteadySystem::v_PostIntegrate(step);
 }

References Nektar::StdRegions::find(), Nektar::SolverUtils::EquationSystem::GetFunction(), m_coupling, Nektar::SolverUtils::EquationSystem::m_fields, Nektar::SolverUtils::EquationSystem::m_session, Nektar::SolverUtils::EquationSystem::m_time, Nektar::LibUtilities::Timer::Start(), Nektar::LibUtilities::Timer::Stop(), Nektar::LibUtilities::Timer::TimePerTest(), and Nektar::SolverUtils::UnsteadySystem::v_PostIntegrate().

◆ v_PreIntegrate()

bool Nektar::Dummy::v_PreIntegrate ( int step )

overrideprotectedvirtual

v_PreIntegrate

Reimplemented from Nektar::SolverUtils::UnsteadySystem.

Definition at line 107 of file Dummy.cpp.

 {
     if (m_coupling)
     {
         int numForceFields = 0;
         for (auto &x : m_forcing)
         {
             numForceFields += x->GetForces().size();
         }
         vector<string> varNames;
         Array<OneD, Array<OneD, NekDouble>> phys(m_fields.size() +
                                                  numForceFields);
         for (int i = 0; i < m_fields.size(); ++i)
         {
             varNames.push_back(m_session->GetVariable(i));
             phys[i] = m_fields[i]->UpdatePhys();
         }
  
         int f = 0;
         for (auto &x : m_forcing)
         {
             for (int i = 0; i < x->GetForces().size(); ++i)
             {
                 phys[m_fields.size() + f + i] = x->GetForces()[i];
                 varNames.push_back("F_" + boost::lexical_cast<string>(f) + "_" +
                                    m_session->GetVariable(i));
             }
             f++;
         }
  
         m_coupling->Send(step, m_time, phys, varNames);
         m_coupling->Receive(step, m_time, phys, varNames);
     }
  
     return UnsteadySystem::v_PreIntegrate(step);
 }

References m_coupling, Nektar::SolverUtils::EquationSystem::m_fields, m_forcing, Nektar::SolverUtils::EquationSystem::m_session, Nektar::SolverUtils::EquationSystem::m_time, and Nektar::SolverUtils::UnsteadySystem::v_PreIntegrate().

◆ v_RequireFwdTrans()

virtual bool Nektar::Dummy::v_RequireFwdTrans ( )

inlineoverrideprotectedvirtual

Reimplemented from Nektar::SolverUtils::UnsteadySystem.

Definition at line 93 of file Dummy.h.

     {
         return false;
     }

Friends And Related Function Documentation

◆ MemoryManager< Dummy >

friend class MemoryManager< Dummy >

friend

Definition at line 1 of file Dummy.h.

Member Data Documentation

◆ className

string Nektar::Dummy::className

static

Initial value:

= GetEquationSystemFactory().RegisterCreatorFunction(
    "Dummy", Dummy::create,
    "Dummy Equation System that only sends/receives fields")

Name of class.

Definition at line 64 of file Dummy.h.

◆ m_coupling

SolverUtils::CouplingSharedPtr Nektar::Dummy::m_coupling

protected

Definition at line 70 of file Dummy.h.

Referenced by v_InitObject(), v_Output(), v_PostIntegrate(), and v_PreIntegrate().

◆ m_forcing

std::vector<SolverUtils::ForcingSharedPtr> Nektar::Dummy::m_forcing

protected

Definition at line 71 of file Dummy.h.

Referenced by v_InitObject(), v_Output(), and v_PreIntegrate().

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ~Dummy()

◆ Dummy()

Member Function Documentation

◆ create()

◆ DoOdeProjection()

◆ DoOdeRhs()

◆ v_InitObject()

◆ v_Output()

◆ v_PostIntegrate()

◆ v_PreIntegrate()

◆ v_RequireFwdTrans()

Friends And Related Function Documentation

◆ MemoryManager< Dummy >

Member Data Documentation

◆ className

◆ m_coupling

◆ m_forcing