#include <NonlinearPeregrine.h>

Inheritance diagram for Nektar::NonlinearPeregrine:

Public Member Functions
	~NonlinearPeregrine () override=default

Public Member Functions inherited from Nektar::NonlinearSWE
	~NonlinearSWE () override=default

Public Member Functions inherited from Nektar::ShallowWaterSystem
	~ShallowWaterSystem () override=default
	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::TimeIntegrationSchemeSharedPtr &	GetTimeIntegrationScheme ()
	Returns the time integration scheme. More...

SOLVER_UTILS_EXPORT LibUtilities::TimeIntegrationSchemeOperators &	GetTimeIntegrationSchemeOperators ()
	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, 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	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...

Public Member Functions inherited from Nektar::SolverUtils::ALEHelper
virtual	~ALEHelper ()=default

virtual SOLVER_UTILS_EXPORT void	v_ALEInitObject (int spaceDim, Array< OneD, MultiRegions::ExpListSharedPtr > &fields)

SOLVER_UTILS_EXPORT void	InitObject (int spaceDim, Array< OneD, MultiRegions::ExpListSharedPtr > &fields)

virtual SOLVER_UTILS_EXPORT void	v_UpdateGridVelocity (const NekDouble &time)

virtual SOLVER_UTILS_EXPORT void	v_ALEPreMultiplyMass (Array< OneD, Array< OneD, NekDouble > > &fields)

SOLVER_UTILS_EXPORT void	ALEDoElmtInvMass (Array< OneD, Array< OneD, NekDouble > > &traceNormals, Array< OneD, Array< OneD, NekDouble > > &fields, NekDouble time)
	Update m_fields with u^n by multiplying by inverse mass matrix. That's then used in e.g. checkpoint output and L^2 error calculation. More...

SOLVER_UTILS_EXPORT void	ALEDoElmtInvMassBwdTrans (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray)

SOLVER_UTILS_EXPORT void	MoveMesh (const NekDouble &time, Array< OneD, Array< OneD, NekDouble > > &traceNormals)

const Array< OneD, const Array< OneD, NekDouble > > &	GetGridVelocity ()

SOLVER_UTILS_EXPORT const Array< OneD, const Array< OneD, NekDouble > > &	GetGridVelocityTrace ()

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

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

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

Static Public Member Functions inherited from Nektar::ShallowWaterSystem
static SolverUtils::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::NonlinearSWE
static std::string	className
	Name of class. More...

Static Public Attributes inherited from Nektar::ShallowWaterSystem
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
	NonlinearPeregrine (const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)

void	v_InitObject (bool DeclareFields=true) override
	Init object for UnsteadySystem class. More...

void	v_SetInitialConditions (NekDouble initialtime=0.0, bool dumpInitialConditions=true, const int domain=0) override
	Set the initial conditions. More...

void	v_DoOdeRhs (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time) override

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

void	LaitoneSolitaryWave (NekDouble amp, NekDouble d, NekDouble time, NekDouble x_offset)

void	WCESolve (Array< OneD, NekDouble > &fce, NekDouble lambda)

void	SetBoundaryConditionsForcing (Array< OneD, Array< OneD, NekDouble > > &inarray, NekDouble time)

void	WallBoundaryForcing (int bcRegion, int cnt, Array< OneD, Array< OneD, NekDouble > > &inarray)

void	NumericalFluxForcing (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, NekDouble > &numfluxX, Array< OneD, NekDouble > &numfluxY)

void	SetBoundaryConditionsContVariables (const Array< OneD, const NekDouble > &inarray, NekDouble time)

void	WallBoundaryContVariables (int bcRegion, int cnt, const Array< OneD, const NekDouble > &inarray)

void	NumericalFluxConsVariables (const Array< OneD, const NekDouble > &physfield, Array< OneD, NekDouble > &outX, Array< OneD, NekDouble > &outY)

Protected Member Functions inherited from Nektar::NonlinearSWE
	NonlinearSWE (const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)

void	v_InitObject (bool DeclareFields=true) override
	Init object for UnsteadySystem class. More...

void	v_DoOdeRhs (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time) override

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

void	GetFluxVector (const Array< OneD, const Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &flux)

void	GetVelocityVector (const Array< OneD, const Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &velocity)
	Compute the velocity field \( \mathbf{v} \) given the momentum \( h\mathbf{v} \). More...

void	AddVariableDepth (const Array< OneD, const Array< OneD, NekDouble > > &physarray, Array< OneD, Array< OneD, NekDouble > > &outarray)

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

void	v_InitObject (bool DeclareFields=true) override
	Init object for UnsteadySystem class. More...

virtual void	v_DoOdeRhs (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time)

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

void	InitialiseNonlinSysSolver (void)

void	DoImplicitSolve (const Array< OneD, const Array< OneD, NekDouble > > &inpnts, Array< OneD, Array< OneD, NekDouble > > &outpnt, const NekDouble time, const NekDouble lambda)

void	DoImplicitSolve1D (const Array< OneD, const NekDouble > &inarray, Array< OneD, NekDouble > &out)

void	CalcRefValues (const Array< OneD, const NekDouble > &inarray)

void	NonlinSysEvaluator1D (const Array< OneD, const NekDouble > &inarray, Array< OneD, NekDouble > &out, const bool &flag)

void	NonlinSysEvaluator (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &out)

void	MatrixMultiplyMatrixFree (const Array< OneD, const NekDouble > &inarray, Array< OneD, NekDouble > &out, const bool &flag)

void	DoNullPrecon (const Array< OneD, const NekDouble > &inarray, Array< OneD, NekDouble > &outarray, const bool &flag)

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

void	SetBoundaryConditions (const Array< OneD, const Array< OneD, NekDouble > > &physarray, NekDouble time)

void	WallBoundary2D (int bcRegion, int cnt, Array< OneD, Array< OneD, NekDouble > > &Fwd)

void	AddCoriolis (const Array< OneD, const Array< OneD, NekDouble > > &physarray, Array< OneD, Array< OneD, NekDouble > > &outarray)

void	PrimitiveToConservative ()

void	ConservativeToPrimitive ()

NekDouble	GetGravity ()

const Array< OneD, const Array< OneD, NekDouble > > &	GetVecLocs ()

const Array< OneD, const Array< OneD, NekDouble > > &	GetNormals ()

const Array< OneD, NekDouble > &	GetDepth ()

bool	IsConstantDepth ()

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)

Private Attributes
StdRegions::ConstFactorMap	m_factors

ProblemType	m_problemType

NekDouble	m_const_depth

Friends
class	MemoryManager< NonlinearPeregrine >

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

Protected Attributes inherited from Nektar::ShallowWaterSystem
SolverUtils::RiemannSolverSharedPtr	m_riemannSolver

SolverUtils::AdvectionSharedPtr	m_advection

SolverUtils::DiffusionSharedPtr	m_diffusion

int	m_TotNewtonIts = 0

int	m_TotLinIts = 0

int	m_TotImpStages = 0

NekDouble	m_jacobiFreeEps = 5.0E-08

NekDouble	m_bndEvaluateTime = 0.0

NekDouble	m_TimeIntegLambda = 0.0

NekDouble	m_inArrayNorm = -1.0

LibUtilities::NekNonlinSysIterSharedPtr	m_nonlinsol

bool	m_constantDepth
	Indicates if constant depth case. More...

NekDouble	m_g
	Acceleration of gravity. More...

Array< OneD, NekDouble >	m_depth
	Still water depth. More...

Array< OneD, Array< OneD, NekDouble > >	m_bottomSlope

Array< OneD, NekDouble >	m_coriolis
	Coriolis force. More...

Array< OneD, Array< OneD, NekDouble > >	m_vecLocs

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::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_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, NekDouble >	m_movingFrameData
	Moving reference frame status in the inertial frame X, Y, Z, Theta_x, Theta_y, Theta_z, U, V, W, Omega_x, Omega_y, Omega_z, A_x, A_y, A_z, DOmega_x, DOmega_y, DOmega_z, pivot_x, pivot_y, pivot_z. More...

std::vector< std::string >	m_strFrameData
	variable name in m_movingFrameData 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...

Protected Attributes inherited from Nektar::SolverUtils::ALEHelper
Array< OneD, MultiRegions::ExpListSharedPtr >	m_fieldsALE

Array< OneD, Array< OneD, NekDouble > >	m_gridVelocity

Array< OneD, Array< OneD, NekDouble > >	m_gridVelocityTrace

std::vector< ALEBaseShPtr >	m_ALEs

bool	m_ALESolver = false

bool	m_ImplicitALESolver = false

NekDouble	m_prevStageTime = 0.0

int	m_spaceDim

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

static std::string	projectionTypeLookupIds []

Detailed Description

Definition at line 53 of file NonlinearPeregrine.h.

Constructor & Destructor Documentation

◆ ~NonlinearPeregrine()

Nektar::NonlinearPeregrine::~NonlinearPeregrine ( )

overridedefault

◆ NonlinearPeregrine()

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

protected

Definition at line 50 of file NonlinearPeregrine.cpp.

    : NonlinearSWE(pSession, pGraph), m_factors()
{
    m_factors[StdRegions::eFactorLambda] = 0.0;
    m_factors[StdRegions::eFactorTau]    = 1000000.0;
    // note: eFactorTau = 1.0 becomes unstable...
    // we need to investigate the behaviuor w.r.t. tau
}

References Nektar::StdRegions::eFactorLambda, Nektar::StdRegions::eFactorTau, and m_factors.

Member Function Documentation

◆ create()

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

inlinestatic

Creates an instance of this class.

Definition at line 59 of file NonlinearPeregrine.h.

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

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

◆ LaitoneSolitaryWave()

void Nektar::NonlinearPeregrine::LaitoneSolitaryWave	(	NekDouble	amp,
		NekDouble	d,
		NekDouble	time,
		NekDouble	x_offset
	)

protected

Definition at line 331 of file NonlinearPeregrine.cpp.

{
    int nq = GetTotPoints();
 
    NekDouble A = 1.0;
    NekDouble C = sqrt(m_g * d) * (1.0 + 0.5 * (amp / d));
 
    Array<OneD, NekDouble> x0(nq);
    Array<OneD, NekDouble> x1(nq);
    Array<OneD, NekDouble> zeros(nq, 0.0);
 
    // get the coordinates (assuming all fields have the same
    // discretisation)
    m_fields[0]->GetCoords(x0, x1);
 
    for (int i = 0; i < nq; i++)
    {
        (m_fields[0]->UpdatePhys())[i] =
            amp * pow((1.0 / cosh(sqrt(0.75 * (amp / (d * d * d))) *
                                  (A * (x0[i] + x_offset) - C * time))),
                      2.0);
        (m_fields[1]->UpdatePhys())[i] =
            (amp / d) *
            pow((1.0 / cosh(sqrt(0.75 * (amp / (d * d * d))) *
                            (A * (x0[i] + x_offset) - C * time))),
                2.0) *
            sqrt(m_g * d);
    }
 
    Vmath::Sadd(nq, d, m_fields[0]->GetPhys(), 1, m_fields[0]->UpdatePhys(), 1);
    Vmath::Vmul(nq, m_fields[0]->GetPhys(), 1, m_fields[1]->GetPhys(), 1,
                m_fields[1]->UpdatePhys(), 1);
    Vmath::Vcopy(nq, zeros, 1, m_fields[2]->UpdatePhys(), 1);
    Vmath::Vcopy(nq, zeros, 1, m_fields[3]->UpdatePhys(), 1);
 
    // Forward transform to fill the coefficient space
    for (int i = 0; i < 4; ++i)
    {
        m_fields[i]->SetPhysState(true);
        m_fields[i]->FwdTrans(m_fields[i]->GetPhys(),
                              m_fields[i]->UpdateCoeffs());
    }
}

References Nektar::UnitTests::d(), Nektar::SolverUtils::EquationSystem::GetTotPoints(), Nektar::SolverUtils::EquationSystem::m_fields, Nektar::ShallowWaterSystem::m_g, Vmath::Sadd(), tinysimd::sqrt(), Vmath::Vcopy(), and Vmath::Vmul().

Referenced by v_SetInitialConditions().

◆ NumericalFluxConsVariables()

void Nektar::NonlinearPeregrine::NumericalFluxConsVariables	(	const Array< OneD, const NekDouble > &	physfield,
		Array< OneD, NekDouble > &	outX,
		Array< OneD, NekDouble > &	outY
	)

protected

Definition at line 582 of file NonlinearPeregrine.cpp.

{
    int nTraceNumPoints = GetTraceTotPoints();
 
    //-----------------------------------------------------
    // get temporary arrays
    Array<OneD, NekDouble> Fwd(nTraceNumPoints);
    Array<OneD, NekDouble> Bwd(nTraceNumPoints);
    //-----------------------------------------------------
 
    //-----------------------------------------------------
    // get the physical values at the trace
    // (we have put any time-dependent BC in field[3])
 
    m_fields[3]->GetFwdBwdTracePhys(physfield, Fwd, Bwd);
    //-----------------------------------------------------
 
    //-----------------------------------------------------
    // use centred fluxes for the numerical flux
    for (int i = 0; i < nTraceNumPoints; ++i)
    {
        outX[i] = 0.5 * (Fwd[i] + Bwd[i]);
        outY[i] = 0.5 * (Fwd[i] + Bwd[i]);
    }
    //-----------------------------------------------------
}

References Nektar::SolverUtils::EquationSystem::GetTraceTotPoints(), and Nektar::SolverUtils::EquationSystem::m_fields.

Referenced by v_DoOdeRhs().

◆ NumericalFluxForcing()

void Nektar::NonlinearPeregrine::NumericalFluxForcing	(	const Array< OneD, const Array< OneD, NekDouble > > &	inarray,
		Array< OneD, NekDouble > &	numfluxX,
		Array< OneD, NekDouble > &	numfluxY
	)

protected

Definition at line 496 of file NonlinearPeregrine.cpp.

{
    int nTraceNumPoints = GetTraceTotPoints();
 
    //-----------------------------------------------------
    // get temporary arrays
    Array<OneD, Array<OneD, NekDouble>> Fwd(2);
    Array<OneD, Array<OneD, NekDouble>> Bwd(2);
 
    for (int i = 0; i < 2; ++i)
    {
        Fwd[i] = Array<OneD, NekDouble>(nTraceNumPoints);
        Bwd[i] = Array<OneD, NekDouble>(nTraceNumPoints);
    }
    //-----------------------------------------------------
 
    //-----------------------------------------------------
    // get the physical values at the trace
    // (any time-dependent BC previously put in fields[1] and [2]
 
    m_fields[1]->GetFwdBwdTracePhys(inarray[0], Fwd[0], Bwd[0]);
    m_fields[2]->GetFwdBwdTracePhys(inarray[1], Fwd[1], Bwd[1]);
    //-----------------------------------------------------
 
    //-----------------------------------------------------
    // use centred fluxes for the numerical flux
    for (int i = 0; i < nTraceNumPoints; ++i)
    {
        numfluxX[i] = 0.5 * (Fwd[0][i] + Bwd[0][i]);
        numfluxY[i] = 0.5 * (Fwd[1][i] + Bwd[1][i]);
    }
    //-----------------------------------------------------
}

References Nektar::SolverUtils::EquationSystem::GetTraceTotPoints(), and Nektar::SolverUtils::EquationSystem::m_fields.

Referenced by v_DoOdeRhs().

◆ SetBoundaryConditionsContVariables()

void Nektar::NonlinearPeregrine::SetBoundaryConditionsContVariables	(	const Array< OneD, const NekDouble > &	inarray,
		NekDouble	time
	)

protected

Definition at line 532 of file NonlinearPeregrine.cpp.

{
    int cnt = 0;
 
    // Loop over Boundary Regions
    for (int n = 0; n < m_fields[3]->GetBndConditions().size(); ++n)
    {
        // Wall Boundary Condition
        if (boost::iequals(m_fields[3]->GetBndConditions()[n]->GetUserDefined(),
                           "Wall") ||
            m_fields[3]->GetBndConditions()[n]->IsTimeDependent())
        {
            WallBoundaryContVariables(n, cnt, inarray);
        }
 
        cnt += m_fields[3]->GetBndCondExpansions()[n]->GetExpSize();
    }
}

References Nektar::SolverUtils::EquationSystem::m_fields, and WallBoundaryContVariables().

Referenced by v_DoOdeRhs().

◆ SetBoundaryConditionsForcing()

void Nektar::NonlinearPeregrine::SetBoundaryConditionsForcing	(	Array< OneD, Array< OneD, NekDouble > > &	inarray,
		NekDouble	time
	)

protected

Definition at line 392 of file NonlinearPeregrine.cpp.

{
    int cnt = 0;
 
    // Loop over Boundary Regions
    for (int n = 0; n < m_fields[0]->GetBndConditions().size(); ++n)
    {
        // Wall Boundary Condition
        if (boost::iequals(m_fields[0]->GetBndConditions()[n]->GetUserDefined(),
                           "Wall"))
        {
            WallBoundaryForcing(n, cnt, inarray);
        }
 
        // Timedependent Boundary Condition
        if (m_fields[0]->GetBndConditions()[n]->IsTimeDependent())
        {
            ASSERTL0(false, "time-dependent BC not implemented for Boussinesq");
        }
        cnt += m_fields[0]->GetBndCondExpansions()[n]->GetExpSize();
    }
}

References ASSERTL0, Nektar::SolverUtils::EquationSystem::m_fields, and WallBoundaryForcing().

Referenced by v_DoOdeRhs().

◆ v_DoOdeRhs()

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

overrideprotectedvirtual

Reimplemented from Nektar::ShallowWaterSystem.

Definition at line 143 of file NonlinearPeregrine.cpp.

{
    int nvariables = inarray.size() - 1;
    int ncoeffs    = GetNcoeffs();
    int nq         = GetTotPoints();
 
    switch (m_projectionType)
    {
        case MultiRegions::eDiscontinuous:
        {
            //-------------------------------------------------------
            // Compute the DG advection including the numerical flux
            // by using SolverUtils/Advection
            // Input and output in physical space
            m_advection->Advect(nvariables, m_fields, NullNekDoubleArrayOfArray,
                                inarray, outarray, time);
            //-------------------------------------------------------
 
            //-------------------------------------------------------
            // negate the outarray since moving terms to the rhs
            for (int i = 0; i < nvariables; ++i)
            {
                Vmath::Neg(nq, outarray[i], 1);
            }
            //-------------------------------------------------------
 
            //-------------------------------------------------
            // Add "source terms"
            // Input and output in physical space
 
            // Coriolis forcing
            if (m_coriolis.size() != 0)
            {
                AddCoriolis(inarray, outarray);
            }
 
            // Variable Depth
            if (m_constantDepth != true)
            {
                ASSERTL0(false,
                         "Variable depth not supported for the Peregrine "
                         "equations");
            }
 
            //-------------------------------------------------
 
            //---------------------------------------
            // As no more terms is required for the
            // continuity equation and we have aleady evaluated
            //  the values for h_t we are done for h
            //---------------------------------------
 
            //---------------------------------------------
 
            //-------------------------------------------------
            // create tmp fields to be used during
            // the dispersive section
 
            int nTraceNumPoints = GetTraceTotPoints();
            Array<OneD, NekDouble> upwindX(nTraceNumPoints);
            Array<OneD, NekDouble> upwindY(nTraceNumPoints);
 
            Array<OneD, Array<OneD, NekDouble>> coeffsfield(2);
            Array<OneD, Array<OneD, NekDouble>> physfield(2);
            for (int i = 0; i < 2; ++i)
            {
                coeffsfield[i] = Array<OneD, NekDouble>(ncoeffs);
                physfield[i]   = Array<OneD, NekDouble>(nq);
            }
 
            Vmath::Vcopy(nq, outarray[1], 1, physfield[0], 1);
            Vmath::Vcopy(nq, outarray[2], 1, physfield[1], 1);
 
            //---------------------------------------
            // Start for solve of mixed dispersive terms using the 'WCE method'
            // (Eskilsson & Sherwin, JCP 2006)
 
            // constant depth case
            // \nabla \cdot (\nabla z) - invgamma z
            //    = - invgamma (\nabla \cdot {\bf f}_(2,3)
 
            NekDouble gamma    = (m_const_depth * m_const_depth) / 3.0;
            NekDouble invgamma = 1.0 / gamma;
            //--------------------------------------------
 
            //--------------------------------------------
            // Compute the forcing function for the wave continuity equation (eq
            // 26a)
 
            // Set boundary condidtions for z
            SetBoundaryConditionsForcing(physfield, time);
 
            // \nabla \phi \cdot f_{2,3}
            m_fields[0]->IProductWRTDerivBase(0, physfield[0], coeffsfield[0]);
            m_fields[0]->IProductWRTDerivBase(1, physfield[1], coeffsfield[1]);
            Vmath::Vadd(ncoeffs, coeffsfield[0], 1, coeffsfield[1], 1,
                        coeffsfield[0], 1);
            Vmath::Neg(ncoeffs, coeffsfield[0], 1);
 
            // Evaluate  upwind numerical flux (physical space)
            NumericalFluxForcing(physfield, upwindX, upwindY);
            Array<OneD, NekDouble> normflux(nTraceNumPoints);
            Vmath::Vvtvvtp(nTraceNumPoints, upwindX, 1, m_traceNormals[0], 1,
                           upwindY, 1, m_traceNormals[1], 1, normflux, 1);
            m_fields[0]->AddTraceIntegral(normflux, coeffsfield[0]);
            m_fields[0]->MultiplyByElmtInvMass(coeffsfield[0], coeffsfield[0]);
            m_fields[0]->BwdTrans(coeffsfield[0], physfield[0]);
 
            Vmath::Smul(nq, -invgamma, physfield[0], 1, physfield[0], 1);
 
            //--------------------------------------
 
            //--------------------------------------
            // Solve the Helmhotz-type equation for the wave continuity equation
            // (eq. 26b)
 
            WCESolve(physfield[0], invgamma);
 
            Vmath::Vcopy(nq, physfield[0], 1, outarray[3], 1); // store z
 
            //------------------------------------
 
            //------------------------------------
            // Return to the primary variables (eq. 26c)
 
            // Compute gamma \nabla z
            Vmath::Smul(nq, gamma, physfield[0], 1, physfield[0], 1);
 
            m_fields[0]->IProductWRTDerivBase(0, physfield[0], coeffsfield[0]);
            m_fields[0]->IProductWRTDerivBase(1, physfield[0], coeffsfield[1]);
 
            Vmath::Neg(ncoeffs, coeffsfield[0], 1);
            Vmath::Neg(ncoeffs, coeffsfield[1], 1);
 
            // Set boundary conditions
            SetBoundaryConditionsContVariables(physfield[0], time);
 
            // Evaluate upwind numerical flux (physical space)
            NumericalFluxConsVariables(physfield[0], upwindX, upwindY);
 
            Vmath::Vmul(nTraceNumPoints, upwindX, 1, m_traceNormals[0], 1,
                        normflux, 1);
            m_fields[0]->AddTraceIntegral(normflux, coeffsfield[0]);
            Vmath::Vmul(nTraceNumPoints, upwindY, 1, m_traceNormals[1], 1,
                        normflux, 1);
            m_fields[0]->AddTraceIntegral(normflux, coeffsfield[1]);
 
            // Solve the remaining block-diagonal systems
            Array<OneD, Array<OneD, NekDouble>> modarray(2);
            for (int i = 0; i < 2; ++i)
            {
                modarray[i] = Array<OneD, NekDouble>(ncoeffs);
            }
            m_fields[0]->IProductWRTBase(outarray[1], modarray[0]);
            m_fields[0]->IProductWRTBase(outarray[2], modarray[1]);
 
            Vmath::Vadd(ncoeffs, modarray[0], 1, coeffsfield[0], 1, modarray[0],
                        1);
            Vmath::Vadd(ncoeffs, modarray[1], 1, coeffsfield[1], 1, modarray[1],
                        1);
 
            m_fields[0]->MultiplyByElmtInvMass(modarray[0], modarray[0]);
            m_fields[0]->MultiplyByElmtInvMass(modarray[1], modarray[1]);
 
            m_fields[0]->BwdTrans(modarray[0], outarray[1]);
            m_fields[0]->BwdTrans(modarray[1], outarray[2]);
 
            //------------------------------------
 
            break;
        }
        case MultiRegions::eGalerkin:
            ASSERTL0(false, "Unknown projection scheme for the Peregrine");
            break;
        default:
            ASSERTL0(false, "Unknown projection scheme for the NonlinearSWE");
            break;
    }
}

References Nektar::ShallowWaterSystem::AddCoriolis(), ASSERTL0, Nektar::MultiRegions::eDiscontinuous, Nektar::MultiRegions::eGalerkin, Nektar::SolverUtils::EquationSystem::GetNcoeffs(), Nektar::SolverUtils::EquationSystem::GetTotPoints(), Nektar::SolverUtils::EquationSystem::GetTraceTotPoints(), Nektar::ShallowWaterSystem::m_advection, m_const_depth, Nektar::ShallowWaterSystem::m_constantDepth, Nektar::ShallowWaterSystem::m_coriolis, Nektar::SolverUtils::EquationSystem::m_fields, Nektar::SolverUtils::EquationSystem::m_projectionType, Nektar::SolverUtils::EquationSystem::m_traceNormals, Vmath::Neg(), Nektar::NullNekDoubleArrayOfArray, NumericalFluxConsVariables(), NumericalFluxForcing(), SetBoundaryConditionsContVariables(), SetBoundaryConditionsForcing(), Vmath::Smul(), Vmath::Vadd(), Vmath::Vcopy(), Vmath::Vmul(), Vmath::Vvtvvtp(), and WCESolve().

Referenced by v_InitObject().

◆ v_GenerateSummary()

void Nektar::NonlinearPeregrine::v_GenerateSummary ( SolverUtils::SummaryList & s )

overrideprotectedvirtual

Print a summary of time stepping parameters.

Prints a summary with some information regards the time-stepping.

Reimplemented from Nektar::SolverUtils::UnsteadySystem.

Definition at line 325 of file NonlinearPeregrine.cpp.

{
    NonlinearSWE::v_GenerateSummary(s);
}

References Nektar::NonlinearSWE::v_GenerateSummary().

◆ v_InitObject()

void Nektar::NonlinearPeregrine::v_InitObject ( bool DeclareField = true )

overrideprotectedvirtual

Init object for UnsteadySystem class.

Initialization object for UnsteadySystem class.

Reimplemented from Nektar::SolverUtils::UnsteadySystem.

Definition at line 61 of file NonlinearPeregrine.cpp.

{
    NonlinearSWE::v_InitObject(DeclareFields);
 
    if (m_session->DefinesSolverInfo("PROBLEMTYPE"))
    {
        std::string ProblemTypeStr = m_session->GetSolverInfo("PROBLEMTYPE");
        for (int i = 0; i < (int)SIZE_ProblemType; ++i)
        {
            if (boost::iequals(ProblemTypeMap[i], ProblemTypeStr))
            {
                m_problemType = (ProblemType)i;
                break;
            }
        }
    }
    else
    {
        m_problemType = (ProblemType)0;
    }
 
    // NB! At the moment only the constant depth case is
    // supported for the Peregrine eq.
    if (m_session->DefinesParameter("ConstDepth"))
    {
        m_const_depth = m_session->GetParameter("ConstDepth");
    }
    else
    {
        ASSERTL0(false, "Constant Depth not specified");
    }
 
    ASSERTL0(m_projectionType != MultiRegions::eGalerkin,
             "Continuous projection type not supported for Peregrine.");
 
    m_ode.DefineOdeRhs(&NonlinearPeregrine::v_DoOdeRhs, this);
    m_ode.DefineProjection(&NonlinearPeregrine::DoOdeProjection, this);
    m_ode.DefineImplicitSolve(&NonlinearPeregrine::DoImplicitSolve, this);
}

References ASSERTL0, Nektar::LibUtilities::TimeIntegrationSchemeOperators::DefineImplicitSolve(), Nektar::LibUtilities::TimeIntegrationSchemeOperators::DefineOdeRhs(), Nektar::LibUtilities::TimeIntegrationSchemeOperators::DefineProjection(), Nektar::ShallowWaterSystem::DoImplicitSolve(), Nektar::ShallowWaterSystem::DoOdeProjection(), Nektar::MultiRegions::eGalerkin, m_const_depth, Nektar::SolverUtils::UnsteadySystem::m_ode, m_problemType, Nektar::SolverUtils::EquationSystem::m_projectionType, Nektar::SolverUtils::EquationSystem::m_session, Nektar::ProblemTypeMap, Nektar::SIZE_ProblemType, v_DoOdeRhs(), and Nektar::NonlinearSWE::v_InitObject().

◆ v_SetInitialConditions()

void Nektar::NonlinearPeregrine::v_SetInitialConditions	(	NekDouble	initialtime = `0.0`,
		bool	dumpInitialConditions = `true`,
		const int	domain = `0`
	)

overrideprotectedvirtual

Set the initial conditions.

Reimplemented from Nektar::SolverUtils::EquationSystem.

Definition at line 104 of file NonlinearPeregrine.cpp.

{
    switch (m_problemType)
    {
        case eSolitaryWave:
        {
            LaitoneSolitaryWave(0.1, m_const_depth, 0.0, 0.0);
            break;
        }
        default:
        {
            EquationSystem::v_SetInitialConditions(initialtime, false);
            m_nchk--; // Note: m_nchk has been incremented in EquationSystem.
            break;
        }
    }
 
    if (dumpInitialConditions && m_checksteps && m_nchk == 0 &&
        !m_comm->IsParallelInTime())
    {
        Checkpoint_Output(m_nchk);
    }
    else if (dumpInitialConditions && m_nchk == 0 && m_comm->IsParallelInTime())
    {
        std::string newdir = m_sessionName + ".pit";
        if (!fs::is_directory(newdir))
        {
            fs::create_directory(newdir);
        }
        if (m_comm->GetTimeComm()->GetRank() == 0)
        {
            WriteFld(newdir + "/" + m_sessionName + "_0.fld");
        }
    }
    m_nchk++;
}

References Nektar::SolverUtils::EquationSystem::Checkpoint_Output(), Nektar::eSolitaryWave, LaitoneSolitaryWave(), Nektar::SolverUtils::EquationSystem::m_checksteps, Nektar::SolverUtils::EquationSystem::m_comm, m_const_depth, Nektar::SolverUtils::EquationSystem::m_nchk, m_problemType, Nektar::SolverUtils::EquationSystem::m_sessionName, Nektar::SolverUtils::EquationSystem::v_SetInitialConditions(), and Nektar::SolverUtils::EquationSystem::WriteFld().

◆ WallBoundaryContVariables()

void Nektar::NonlinearPeregrine::WallBoundaryContVariables	(	int	bcRegion,
		int	cnt,
		const Array< OneD, const NekDouble > &	inarray
	)

protected

Definition at line 553 of file NonlinearPeregrine.cpp.

{
    int nTraceNumPoints = GetTraceTotPoints();
 
    // Get physical values of z for the forward trace
    Array<OneD, NekDouble> z(nTraceNumPoints);
    m_fields[3]->ExtractTracePhys(inarray, z);
 
    // Adjust the physical values of the trace to take
    // user defined boundaries into account
    int id1, id2, npts;
    MultiRegions::ExpListSharedPtr bcexp =
        m_fields[3]->GetBndCondExpansions()[bcRegion];
 
    for (int e = 0; e < bcexp->GetExpSize(); ++e)
    {
        npts = bcexp->GetExp(e)->GetTotPoints();
        id1  = bcexp->GetPhys_Offset(e);
        id2  = m_fields[3]->GetTrace()->GetPhys_Offset(
            m_fields[3]->GetTraceMap()->GetBndCondIDToGlobalTraceID(cnt + e));
 
        // Copy boundary adjusted values into the boundary expansion
        // field[3]
        bcexp = m_fields[3]->GetBndCondExpansions()[bcRegion];
        Vmath::Vcopy(npts, &z[id2], 1, &(bcexp->UpdatePhys())[id1], 1);
    }
}

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

Referenced by SetBoundaryConditionsContVariables().

◆ WallBoundaryForcing()

void Nektar::NonlinearPeregrine::WallBoundaryForcing	(	int	bcRegion,
		int	cnt,
		Array< OneD, Array< OneD, NekDouble > > &	inarray
	)

protected

Definition at line 417 of file NonlinearPeregrine.cpp.

{
    int nTraceNumPoints = GetTraceTotPoints();
 
    // Get physical values of f1 and f2 for the forward trace
    Array<OneD, Array<OneD, NekDouble>> Fwd(2);
    for (int i = 0; i < 2; ++i)
    {
        Fwd[i] = Array<OneD, NekDouble>(nTraceNumPoints);
        m_fields[i]->ExtractTracePhys(inarray[i], Fwd[i]);
    }
 
    // Adjust the physical values of the trace to take
    // user defined boundaries into account
    int id1, id2, npts;
    MultiRegions::ExpListSharedPtr bcexp =
        m_fields[0]->GetBndCondExpansions()[bcRegion];
 
    for (int e = 0; e < bcexp->GetExpSize(); ++e)
    {
        npts = bcexp->GetExp(e)->GetTotPoints();
        id1  = bcexp->GetPhys_Offset(e);
        id2  = m_fields[0]->GetTrace()->GetPhys_Offset(
            m_fields[0]->GetTraceMap()->GetBndCondIDToGlobalTraceID(cnt + e));
 
        switch (m_expdim)
        {
            case 1:
            {
                ASSERTL0(false, "1D not yet implemented for Boussinesq");
                break;
            }
            case 2:
            {
                Array<OneD, NekDouble> tmp_n(npts);
                Array<OneD, NekDouble> tmp_t(npts);
 
                Vmath::Vmul(npts, &Fwd[0][id2], 1, &m_traceNormals[0][id2], 1,
                            &tmp_n[0], 1);
                Vmath::Vvtvp(npts, &Fwd[1][id2], 1, &m_traceNormals[1][id2], 1,
                             &tmp_n[0], 1, &tmp_n[0], 1);
 
                Vmath::Vmul(npts, &Fwd[0][id2], 1, &m_traceNormals[1][id2], 1,
                            &tmp_t[0], 1);
                Vmath::Vvtvm(npts, &Fwd[1][id2], 1, &m_traceNormals[0][id2], 1,
                             &tmp_t[0], 1, &tmp_t[0], 1);
 
                // Negate the normal flux
                Vmath::Neg(npts, tmp_n, 1);
 
                // Rotate back to Cartesian
                Vmath::Vmul(npts, &tmp_t[0], 1, &m_traceNormals[1][id2], 1,
                            &Fwd[0][id2], 1);
                Vmath::Vvtvm(npts, &tmp_n[0], 1, &m_traceNormals[0][id2], 1,
                             &Fwd[0][id2], 1, &Fwd[0][id2], 1);
 
                Vmath::Vmul(npts, &tmp_t[0], 1, &m_traceNormals[0][id2], 1,
                            &Fwd[1][id2], 1);
                Vmath::Vvtvp(npts, &tmp_n[0], 1, &m_traceNormals[1][id2], 1,
                             &Fwd[1][id2], 1, &Fwd[1][id2], 1);
                break;
            }
            case 3:
                ASSERTL0(false, "3D not implemented for Boussinesq equations");
                break;
            default:
                ASSERTL0(false, "Illegal expansion dimension");
        }
 
        // Copy boundary adjusted values into the boundary expansion
        bcexp = m_fields[1]->GetBndCondExpansions()[bcRegion];
        Vmath::Vcopy(npts, &Fwd[0][id2], 1, &(bcexp->UpdatePhys())[id1], 1);
 
        bcexp = m_fields[2]->GetBndCondExpansions()[bcRegion];
        Vmath::Vcopy(npts, &Fwd[1][id2], 1, &(bcexp->UpdatePhys())[id1], 1);
    }
}

References ASSERTL0, Nektar::SolverUtils::EquationSystem::GetTraceTotPoints(), Nektar::SolverUtils::EquationSystem::m_expdim, Nektar::SolverUtils::EquationSystem::m_fields, Nektar::SolverUtils::EquationSystem::m_traceNormals, Vmath::Neg(), Vmath::Vcopy(), Vmath::Vmul(), Vmath::Vvtvm(), and Vmath::Vvtvp().

Referenced by SetBoundaryConditionsForcing().

◆ WCESolve()

void Nektar::NonlinearPeregrine::WCESolve	(	Array< OneD, NekDouble > &	fce,
		NekDouble	lambda
	)

protected

Definition at line 376 of file NonlinearPeregrine.cpp.

{
    // As of now we need not to specify any BC routine for the WCE: periodic
    // and zero Neumann (for walls)
 
    // Note: this is just valid for the constant depth case:
 
    m_factors[StdRegions::eFactorLambda] = lambda;
 
    m_fields[3]->HelmSolve(fce, m_fields[3]->UpdateCoeffs(), m_factors);
 
    m_fields[3]->BwdTrans(m_fields[3]->GetCoeffs(), m_fields[3]->UpdatePhys());
 
    Vmath::Vcopy(fce.size(), m_fields[3]->GetPhys(), 1, fce, 1);
}

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

Referenced by v_DoOdeRhs().

Friends And Related Function Documentation

◆ MemoryManager< NonlinearPeregrine >

friend class MemoryManager< NonlinearPeregrine >

friend

Definition at line 51 of file NonlinearPeregrine.h.

Member Data Documentation

◆ className

std::string Nektar::NonlinearPeregrine::className

static

Initial value:

=
    SolverUtils::GetEquationSystemFactory().RegisterCreatorFunction(
        "NonlinearPeregrine", NonlinearPeregrine::create,
        "Nonlinear Peregrine equations in conservative variables.")

Name of class.

Definition at line 71 of file NonlinearPeregrine.h.

◆ m_const_depth

NekDouble Nektar::NonlinearPeregrine::m_const_depth

private

Definition at line 120 of file NonlinearPeregrine.h.

Referenced by v_DoOdeRhs(), v_InitObject(), and v_SetInitialConditions().

◆ m_factors

StdRegions::ConstFactorMap Nektar::NonlinearPeregrine::m_factors

private

Definition at line 118 of file NonlinearPeregrine.h.

Referenced by NonlinearPeregrine(), and WCESolve().

◆ m_problemType

ProblemType Nektar::NonlinearPeregrine::m_problemType

private

Definition at line 119 of file NonlinearPeregrine.h.

Referenced by v_InitObject(), and v_SetInitialConditions().

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Private Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ~NonlinearPeregrine()

◆ NonlinearPeregrine()

Member Function Documentation

◆ create()

◆ LaitoneSolitaryWave()

◆ NumericalFluxConsVariables()

◆ NumericalFluxForcing()

◆ SetBoundaryConditionsContVariables()

◆ SetBoundaryConditionsForcing()

◆ v_DoOdeRhs()

◆ v_GenerateSummary()

◆ v_InitObject()

◆ v_SetInitialConditions()

◆ WallBoundaryContVariables()

◆ WallBoundaryForcing()

◆ WCESolve()

Friends And Related Function Documentation

◆ MemoryManager< NonlinearPeregrine >

Member Data Documentation

◆ className

◆ m_const_depth

◆ m_factors

◆ m_problemType