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Nektar::Dummy Class Reference

#include <Dummy.h>

Inheritance diagram for Nektar::Dummy:
[legend]

Public Member Functions

 ~Dummy () override
 Destructor. More...
 
- Public Member Functions inherited from Nektar::SolverUtils::UnsteadySystem
SOLVER_UTILS_EXPORT ~UnsteadySystem () override
 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 NekDouble GetTimeStep ()
 
SOLVER_UTILS_EXPORT void SetTimeStep (const NekDouble timestep)
 
SOLVER_UTILS_EXPORT void SteadyStateResidual (int step, Array< OneD, NekDouble > &L2)
 
SOLVER_UTILS_EXPORT LibUtilities::TimeIntegrationSchemeSharedPtrGetTimeIntegrationScheme ()
 Returns the time integration scheme. More...
 
SOLVER_UTILS_EXPORT LibUtilities::TimeIntegrationSchemeOperatorsGetTimeIntegrationSchemeOperators ()
 Returns the time integration scheme operators. More...
 
- Public Member Functions inherited from Nektar::SolverUtils::EquationSystem
virtual SOLVER_UTILS_EXPORT ~EquationSystem ()
 Destructor. More...
 
SOLVER_UTILS_EXPORT void InitObject (bool DeclareField=true)
 Initialises the members of this object. More...
 
SOLVER_UTILS_EXPORT void DoInitialise (bool dumpInitialConditions=true)
 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 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 NekDouble LinfError (unsigned int field, const Array< OneD, NekDouble > &exactsoln=NullNekDouble1DArray)
 Linf error computation. More...
 
SOLVER_UTILS_EXPORT Array< OneD, NekDoubleErrorExtraPoints (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::FieldMetaDataMapUpdateFieldMetaDataMap ()
 Get hold of FieldInfoMap so it can be updated. More...
 
SOLVER_UTILS_EXPORT NekDouble GetTime ()
 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 Array< OneD, NekDouble > & UpdatePhysField (const int i)
 
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 void SetIterationNumberPIT (int num)
 
SOLVER_UTILS_EXPORT void SetWindowNumberPIT (int 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...
 
SOLVER_UTILS_EXPORT bool NegatedOp ()
 Identify if operator is negated in DoSolve. 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...
 
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...
 
bool v_PreIntegrate (int step) override
 v_PreIntegrate More...
 
bool v_PostIntegrate (int step) override
 v_PostIntegrate More...
 
void v_Output () override
 
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 void v_InitObject (bool DeclareField=true) override
 Init object for UnsteadySystem class. More...
 
SOLVER_UTILS_EXPORT void v_DoSolve () override
 Solves an unsteady problem. More...
 
virtual SOLVER_UTILS_EXPORT void v_PrintStatusInformation (const int step, const NekDouble cpuTime)
 Print Status Information. More...
 
virtual SOLVER_UTILS_EXPORT void v_PrintSummaryStatistics (const NekDouble intTime)
 Print Summary Statistics. More...
 
SOLVER_UTILS_EXPORT void v_DoInitialise (bool dumpInitialConditions=true) override
 Sets up initial conditions. More...
 
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 bool v_PreIntegrate (int step)
 
virtual SOLVER_UTILS_EXPORT bool v_PostIntegrate (int step)
 
virtual SOLVER_UTILS_EXPORT bool v_RequireFwdTrans ()
 
virtual SOLVER_UTILS_EXPORT void v_SteadyStateResidual (int step, Array< OneD, NekDouble > &L2)
 
virtual SOLVER_UTILS_EXPORT bool v_UpdateTimeStepCheck ()
 
SOLVER_UTILS_EXPORT NekDouble MaxTimeStepEstimator ()
 Get the maximum timestep estimator for cfl control. More...
 
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...
 
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 void v_InitObject (bool DeclareFeld=true)
 Initialisation object for EquationSystem. More...
 
virtual SOLVER_UTILS_EXPORT void v_DoInitialise (bool dumpInitialConditions=true)
 Virtual function for initialisation implementation. More...
 
virtual SOLVER_UTILS_EXPORT void v_DoSolve ()
 Virtual function for solve implementation. 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_GenerateSummary (SummaryList &l)
 Virtual function for generating summary information. 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 void v_Output (void)
 
virtual SOLVER_UTILS_EXPORT MultiRegions::ExpListSharedPtr v_GetPressure (void)
 
virtual SOLVER_UTILS_EXPORT bool v_NegatedOp (void)
 Virtual function to identify if operator is negated in DoSolve. More...
 
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::ForcingSharedPtrm_forcing
 
- Protected Attributes inherited from Nektar::SolverUtils::UnsteadySystem
LibUtilities::TimeIntegrationSchemeSharedPtr m_intScheme
 Wrapper to the time integration scheme. More...
 
LibUtilities::TimeIntegrationSchemeOperators m_ode
 The time integration scheme operators to use. More...
 
Array< OneD, Array< OneD, NekDouble > > m_previousSolution
 Storage for previous solution for steady-state check. More...
 
std::vector< int > m_intVariables
 
NekDouble m_cflSafetyFactor
 CFL safety factor (comprise between 0 to 1). More...
 
NekDouble m_CFLGrowth
 CFL growth rate. More...
 
NekDouble m_CFLEnd
 Maximun cfl in cfl growth. More...
 
int m_abortSteps
 Number of steps between checks for abort conditions. More...
 
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...
 
int m_steadyStateSteps
 Check for steady state at step interval. More...
 
NekDouble m_steadyStateTol
 Tolerance to which steady state should be evaluated at. More...
 
int m_filtersInfosteps
 Number of time steps between outputting filters information. More...
 
std::vector< std::pair< std::string, FilterSharedPtr > > m_filters
 
bool m_homoInitialFwd
 Flag to determine if simulation should start in homogeneous forward transformed state. More...
 
std::ofstream m_errFile
 
NekDouble m_epsilon
 Diffusion coefficient. 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::SessionFunctionSharedPtrm_sessionFunctions
 Map of known SessionFunctions. More...
 
LibUtilities::FieldIOSharedPtr m_fld
 Field input/output. More...
 
Array< OneD, MultiRegions::ExpListSharedPtrm_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_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_iterPIT = 0
 Number of parallel-in-time time iteration. More...
 
int m_windowPIT = 0
 Index of windows for parallel-in-time 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_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, NekDoublem_movingFrameVelsxyz
 Moving frame of reference velocities (u, v, w, omega_x, omega_y, omega_z, a_x, a_y, a_z, domega_x, domega_y, domega_z) More...
 
Array< OneD, NekDoublem_movingFrameData
 Moving frame of reference angles with respect to the. More...
 
boost::numeric::ublas::matrix< NekDoublem_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

- 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 []
 
static std::string projectionTypeLookupIds []
 

Detailed Description

Definition at line 48 of file Dummy.h.

Constructor & Destructor Documentation

◆ ~Dummy()

Nektar::Dummy::~Dummy ( )
override

Destructor.

Destructor for Dummy class.

Definition at line 96 of file Dummy.cpp.

97{
98}

◆ Dummy()

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

Initialises UnsteadySystem class members.

Definition at line 49 of file Dummy.cpp.

51 : UnsteadySystem(pSession, pGraph)
52{
53}
SOLVER_UTILS_EXPORT UnsteadySystem(const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
Initialises UnsteadySystem class members.

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.

57 {
60 p->InitObject();
61 return p;
62 }
static std::shared_ptr< DataType > AllocateSharedPtr(const Args &...args)
Allocate a shared pointer from the memory pool.
std::shared_ptr< EquationSystem > EquationSystemSharedPtr
A shared pointer to an EquationSystem object.

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 248 of file Dummy.cpp.

252{
253 int nvariables = inarray.size();
254 int nq = m_fields[0]->GetNpoints();
255
256 // deep copy
257 if (inarray != outarray)
258 {
259 for (int i = 0; i < nvariables; ++i)
260 {
261 Vmath::Vcopy(nq, inarray[i], 1, outarray[i], 1);
262 }
263 }
264}
Array< OneD, MultiRegions::ExpListSharedPtr > m_fields
Array holding all dependent variables.
void Vcopy(int n, const T *x, const int incx, T *y, const int incy)
Definition: Vmath.hpp:825

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 231 of file Dummy.cpp.

234{
235 int nVariables = inarray.size();
236 int nq = GetTotPoints();
237
238 for (int i = 0; i < nVariables; ++i)
239 {
240 Vmath::Zero(nq, outarray[i], 1);
241 }
242}
SOLVER_UTILS_EXPORT int GetTotPoints()
void Zero(int n, T *x, const int incx)
Zero vector.
Definition: Vmath.hpp:273

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 58 of file Dummy.cpp.

59{
60 UnsteadySystem::v_InitObject(DeclareFields);
61
64
66 m_fields, m_fields.size());
67
68 if (m_session->DefinesElement("Nektar/Coupling"))
69 {
70 TiXmlElement *vCoupling = m_session->GetElement("Nektar/Coupling");
71
72 ASSERTL0(vCoupling->Attribute("TYPE"),
73 "Missing TYPE attribute in Coupling");
74 string vType = vCoupling->Attribute("TYPE");
75 ASSERTL0(!vType.empty(),
76 "TYPE attribute must be non-empty in Coupling");
77
78 m_coupling = GetCouplingFactory().CreateInstance(vType, m_fields[0]);
79
80 auto sV = m_session->GetVariables();
81 for (auto const &sendVar : m_coupling->GetSendFieldNames())
82 {
83 auto match = find(sV.begin(), sV.end(), sendVar);
84 if (match != sV.end())
85 {
86 int id = distance(sV.begin(), match);
87 m_intVariables.push_back(id);
88 }
89 }
90 }
91}
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:208
SolverUtils::CouplingSharedPtr m_coupling
Definition: Dummy.h:70
std::vector< SolverUtils::ForcingSharedPtr > m_forcing
Definition: Dummy.h:71
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 discontinu...
Definition: Dummy.cpp:248
void DoOdeRhs(const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time)
Compute the right-hand side.
Definition: Dummy.cpp:231
void DefineProjection(FuncPointerT func, ObjectPointerT obj)
void DefineOdeRhs(FuncPointerT func, ObjectPointerT obj)
LibUtilities::SessionReaderSharedPtr m_session
The session reader.
static SOLVER_UTILS_EXPORT std::vector< ForcingSharedPtr > Load(const LibUtilities::SessionReaderSharedPtr &pSession, const std::weak_ptr< EquationSystem > &pEquation, const Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const unsigned int &pNumForcingFields=0)
Definition: Forcing.cpp:118
LibUtilities::TimeIntegrationSchemeOperators m_ode
The time integration scheme operators to use.
SOLVER_UTILS_EXPORT void v_InitObject(bool DeclareField=true) override
Init object for UnsteadySystem class.
CouplingFactory & GetCouplingFactory()
Declaration of the Coupling factory singleton.
Definition: Coupling.cpp:42
InputIterator find(InputIterator first, InputIterator last, InputIterator startingpoint, const EqualityComparable &value)
Definition: StdRegions.hpp:447

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_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 180 of file Dummy.cpp.

181{
182 if (m_coupling)
183 {
184 m_coupling->Finalize();
185 }
186
188
189 int f = 0;
190 for (auto &x : m_forcing)
191 {
192 for (int i = 0; i < x->GetForces().size(); ++i)
193 {
194 int npts = GetTotPoints();
195
196 NekDouble l2err = 0.0;
197 NekDouble linferr = 0.0;
198 for (int j = 0; j < npts; ++j)
199 {
200 l2err += x->GetForces()[i][j] * x->GetForces()[i][j];
201 linferr = max(linferr, fabs(x->GetForces()[i][j]));
202 }
203
204 m_comm->AllReduce(l2err, LibUtilities::ReduceSum);
205 m_comm->AllReduce(npts, LibUtilities::ReduceSum);
206 m_comm->AllReduce(linferr, LibUtilities::ReduceMax);
207
208 l2err /= npts;
209 l2err = sqrt(l2err);
210
211 if (m_comm->TreatAsRankZero())
212 {
213 cout << "L 2 error (variable "
214 << "F_" + boost::lexical_cast<string>(f) + "_" +
215 m_session->GetVariable(i)
216 << ") : " << l2err << endl;
217
218 cout << "L inf error (variable "
219 << "F_" + boost::lexical_cast<string>(f) + "_" +
220 m_session->GetVariable(i)
221 << ") : " << linferr << endl;
222 }
223 }
224 f++;
225 }
226}
LibUtilities::CommSharedPtr m_comm
Communicator.
virtual SOLVER_UTILS_EXPORT void v_Output(void)
double NekDouble
scalarT< T > sqrt(scalarT< T > in)
Definition: scalar.hpp:294

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 143 of file Dummy.cpp.

144{
145 if (m_coupling && m_coupling->GetSendFieldNames().size() > 0)
146 {
147 LibUtilities::Timer timer1;
148 timer1.Start();
149
150 auto sV = m_session->GetVariables();
151 for (auto const &sendVar : m_coupling->GetSendFieldNames())
152 {
153 auto match = find(sV.begin(), sV.end(), sendVar);
154 if (match != sV.end())
155 {
156 int id = distance(sV.begin(), match);
157 GetFunction("SendFields", m_fields[id])
158 ->Evaluate(sendVar, m_fields[id]->UpdatePhys(), m_time);
159 }
160 }
161
162 timer1.Stop();
163 if (m_session->DefinesCmdLineArgument("verbose"))
164 {
165 cout << "Field evaluation time: " << timer1.TimePerTest(1) << endl;
166 }
167 }
168
169 for (int i = 0; i < m_session->GetVariables().size(); ++i)
170 {
171
172 m_fields[i]->FwdTransLocalElmt(m_fields[i]->UpdatePhys(),
173 m_fields[i]->UpdateCoeffs());
174 m_fields[i]->SetPhysState(false);
175 }
176
178}
NekDouble m_time
Current time of simulation.
SOLVER_UTILS_EXPORT SessionFunctionSharedPtr GetFunction(std::string name, const MultiRegions::ExpListSharedPtr &field=MultiRegions::NullExpListSharedPtr, bool cache=false)
Get a SessionFunction by name.
virtual SOLVER_UTILS_EXPORT bool v_PostIntegrate(int 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 103 of file Dummy.cpp.

104{
105 if (m_coupling)
106 {
107 int numForceFields = 0;
108 for (auto &x : m_forcing)
109 {
110 numForceFields += x->GetForces().size();
111 }
112 vector<string> varNames;
113 Array<OneD, Array<OneD, NekDouble>> phys(m_fields.size() +
114 numForceFields);
115 for (int i = 0; i < m_fields.size(); ++i)
116 {
117 varNames.push_back(m_session->GetVariable(i));
118 phys[i] = m_fields[i]->UpdatePhys();
119 }
120
121 int f = 0;
122 for (auto &x : m_forcing)
123 {
124 for (int i = 0; i < x->GetForces().size(); ++i)
125 {
126 phys[m_fields.size() + f + i] = x->GetForces()[i];
127 varNames.push_back("F_" + boost::lexical_cast<string>(f) + "_" +
128 m_session->GetVariable(i));
129 }
130 f++;
131 }
132
133 m_coupling->Send(step, m_time, phys, varNames);
134 m_coupling->Receive(step, m_time, phys, varNames);
135 }
136
138}
virtual SOLVER_UTILS_EXPORT bool v_PreIntegrate(int 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()

bool Nektar::Dummy::v_RequireFwdTrans ( void  )
inlineoverrideprotectedvirtual

Reimplemented from Nektar::SolverUtils::UnsteadySystem.

Definition at line 93 of file Dummy.h.

94 {
95 return false;
96 }

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:
"Dummy", Dummy::create,
"Dummy Equation System that only sends/receives fields")
static EquationSystemSharedPtr create(const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
Creates an instance of this class.
Definition: Dummy.h:54
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, std::string pDesc="")
Register a class with the factory.
Definition: NekFactory.hpp:197
EquationSystemFactory & GetEquationSystemFactory()

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().