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Nektar::NonlinearSWE Class Reference

#include <NonlinearSWE.h>

Inheritance diagram for Nektar::NonlinearSWE:
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Public Member Functions

 ~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::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...
 
- 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::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::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

 NonlinearSWE (const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
 
void v_InitObject (bool DeclareFields=true) override
 Init object for UnsteadySystem class. More...
 
void v_GenerateSummary (SolverUtils::SummaryList &s) override
 Print a summary of time stepping parameters. More...
 
void DoOdeRhs (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time)
 
void GetFluxVector (const Array< OneD, const Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &flux)
 
void GetVelocityVector (const Array< OneD, 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_GenerateSummary (SolverUtils::SummaryList &s) override
 Print a summary of time stepping parameters. More...
 
void v_InitObject (bool DeclareFields=true) override
 Init object for UnsteadySystem class. More...
 
void DoOdeProjection (const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time)
 
void SetBoundaryConditions (Array< OneD, Array< OneD, NekDouble > > &physarray, NekDouble time)
 
void WallBoundary2D (int bcRegion, int cnt, Array< OneD, Array< OneD, NekDouble > > &Fwd)
 
void WallBoundary (int bcRegion, int cnt, Array< OneD, Array< OneD, NekDouble > > &Fwd, Array< OneD, Array< OneD, NekDouble > > &physarray)
 
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 ()
 
void CopyBoundaryTrace (const Array< OneD, NekDouble > &Fwd, Array< OneD, NekDouble > &Bwd)
 
- 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)
 

Friends

class MemoryManager< NonlinearSWE >
 

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
 
bool m_primitive
 Indicates if variables are primitive or conservative. More...
 
bool m_constantDepth
 Indicates if constant depth case. More...
 
NekDouble m_g
 Acceleration of gravity. More...
 
Array< OneD, NekDoublem_depth
 Still water depth. More...
 
Array< OneD, Array< OneD, NekDouble > > m_bottomSlope
 
Array< OneD, NekDoublem_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::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...
 
- Protected Attributes inherited from Nektar::SolverUtils::ALEHelper
Array< OneD, MultiRegions::ExpListSharedPtrm_fieldsALE
 
Array< OneD, Array< OneD, NekDouble > > m_gridVelocity
 
Array< OneD, Array< OneD, NekDouble > > m_gridVelocityTrace
 
std::vector< ALEBaseShPtrm_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 43 of file NonlinearSWE.h.

Constructor & Destructor Documentation

◆ ~NonlinearSWE()

Nektar::NonlinearSWE::~NonlinearSWE ( )
overridedefault

◆ NonlinearSWE()

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

Definition at line 48 of file NonlinearSWE.cpp.

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

Member Function Documentation

◆ AddVariableDepth()

void Nektar::NonlinearSWE::AddVariableDepth ( const Array< OneD, const Array< OneD, NekDouble > > &  physarray,
Array< OneD, Array< OneD, NekDouble > > &  outarray 
)
protected

Definition at line 296 of file NonlinearSWE.cpp.

299{
300 int ncoeffs = GetNcoeffs();
301 int nq = GetTotPoints();
302
303 Array<OneD, NekDouble> tmp(nq);
304 Array<OneD, NekDouble> mod(ncoeffs);
305
306 switch (m_projectionType)
307 {
309 {
310 for (int i = 0; i < m_spacedim; ++i)
311 {
312 Vmath::Vmul(nq, m_bottomSlope[i], 1, physarray[0], 1, tmp, 1);
313 Vmath::Smul(nq, m_g, tmp, 1, tmp, 1);
314 m_fields[0]->IProductWRTBase(tmp, mod);
315 m_fields[0]->MultiplyByElmtInvMass(mod, mod);
316 m_fields[0]->BwdTrans(mod, tmp);
317 Vmath::Vadd(nq, tmp, 1, outarray[i + 1], 1, outarray[i + 1], 1);
318 }
319 }
320 break;
323 {
324 for (int i = 0; i < m_spacedim; ++i)
325 {
326 Vmath::Vmul(nq, m_bottomSlope[i], 1, physarray[0], 1, tmp, 1);
327 Vmath::Smul(nq, m_g, tmp, 1, tmp, 1);
328 Vmath::Vadd(nq, tmp, 1, outarray[i + 1], 1, outarray[i + 1], 1);
329 }
330 }
331 break;
332 default:
333 ASSERTL0(false, "Unknown projection scheme for the NonlinearSWE");
334 break;
335 }
336}
#define ASSERTL0(condition, msg)
Definition: ErrorUtil.hpp:208
NekDouble m_g
Acceleration of gravity.
Array< OneD, Array< OneD, NekDouble > > m_bottomSlope
int m_spacedim
Spatial dimension (>= expansion dim).
Array< OneD, MultiRegions::ExpListSharedPtr > m_fields
Array holding all dependent variables.
SOLVER_UTILS_EXPORT int GetNcoeffs()
enum MultiRegions::ProjectionType m_projectionType
Type of projection; e.g continuous or discontinuous.
SOLVER_UTILS_EXPORT int GetTotPoints()
void Vmul(int n, const T *x, const int incx, const T *y, const int incy, T *z, const int incz)
Multiply vector z = x*y.
Definition: Vmath.hpp:72
void Vadd(int n, const T *x, const int incx, const T *y, const int incy, T *z, const int incz)
Add vector z = x+y.
Definition: Vmath.hpp:180
void Smul(int n, const T alpha, const T *x, const int incx, T *y, const int incy)
Scalar multiply y = alpha*x.
Definition: Vmath.hpp:100

References ASSERTL0, Nektar::MultiRegions::eDiscontinuous, Nektar::MultiRegions::eGalerkin, Nektar::MultiRegions::eMixed_CG_Discontinuous, Nektar::SolverUtils::EquationSystem::GetNcoeffs(), Nektar::SolverUtils::EquationSystem::GetTotPoints(), Nektar::ShallowWaterSystem::m_bottomSlope, Nektar::SolverUtils::EquationSystem::m_fields, Nektar::ShallowWaterSystem::m_g, Nektar::SolverUtils::EquationSystem::m_projectionType, Nektar::SolverUtils::EquationSystem::m_spacedim, Vmath::Smul(), Vmath::Vadd(), and Vmath::Vmul().

Referenced by DoOdeRhs().

◆ create()

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

Creates an instance of this class.

Definition at line 49 of file NonlinearSWE.h.

52 {
55 p->InitObject();
56 return p;
57 }
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.

◆ DoOdeRhs()

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

Definition at line 126 of file NonlinearSWE.cpp.

129{
130 int i, j;
131 int ndim = m_spacedim;
132 int nvariables = inarray.size();
133 int nq = GetTotPoints();
134
135 switch (m_projectionType)
136 {
138 {
139
140 //-------------------------------------------------------
141 // Compute the DG advection including the numerical flux
142 // by using SolverUtils/Advection
143 // Input and output in physical space
144 Array<OneD, Array<OneD, NekDouble>> advVel;
145
146 m_advection->Advect(nvariables, m_fields, advVel, inarray, outarray,
147 time);
148 //-------------------------------------------------------
149
150 //-------------------------------------------------------
151 // negate the outarray since moving terms to the rhs
152 for (i = 0; i < nvariables; ++i)
153 {
154 Vmath::Neg(nq, outarray[i], 1);
155 }
156 //-------------------------------------------------------
157
158 //-------------------------------------------------
159 // Add "source terms"
160 // Input and output in physical space
161
162 // Coriolis forcing
163 if (m_coriolis.size() != 0)
164 {
165 AddCoriolis(inarray, outarray);
166 }
167
168 // Variable Depth
169 if (m_constantDepth != true)
170 {
171 AddVariableDepth(inarray, outarray);
172 }
173 //-------------------------------------------------
174 }
175 break;
178 {
179
180 //-------------------------------------------------------
181 // Compute the fluxvector in physical space
182 Array<OneD, Array<OneD, Array<OneD, NekDouble>>> fluxvector(
183 nvariables);
184
185 for (i = 0; i < nvariables; ++i)
186 {
187 fluxvector[i] = Array<OneD, Array<OneD, NekDouble>>(ndim);
188 for (j = 0; j < ndim; ++j)
189 {
190 fluxvector[i][j] = Array<OneD, NekDouble>(nq);
191 }
192 }
193
194 NonlinearSWE::GetFluxVector(inarray, fluxvector);
195 //-------------------------------------------------------
196
197 //-------------------------------------------------------
198 // Take the derivative of the flux terms
199 // and negate the outarray since moving terms to the rhs
200 Array<OneD, NekDouble> tmp(nq);
201 Array<OneD, NekDouble> tmp1(nq);
202
203 for (i = 0; i < nvariables; ++i)
204 {
206 fluxvector[i][0], tmp);
208 fluxvector[i][1], tmp1);
209 Vmath::Vadd(nq, tmp, 1, tmp1, 1, outarray[i], 1);
210 Vmath::Neg(nq, outarray[i], 1);
211 }
212
213 //-------------------------------------------------
214 // Add "source terms"
215 // Input and output in physical space
216
217 // Coriolis forcing
218 if (m_coriolis.size() != 0)
219 {
220 AddCoriolis(inarray, outarray);
221 }
222
223 // Variable Depth
224 if (m_constantDepth != true)
225 {
226 AddVariableDepth(inarray, outarray);
227 }
228 //-------------------------------------------------
229 }
230 break;
231 default:
232 ASSERTL0(false, "Unknown projection scheme for the NonlinearSWE");
233 break;
234 }
235}
void AddVariableDepth(const Array< OneD, const Array< OneD, NekDouble > > &physarray, Array< OneD, Array< OneD, NekDouble > > &outarray)
void GetFluxVector(const Array< OneD, const Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &flux)
void AddCoriolis(const Array< OneD, const Array< OneD, NekDouble > > &physarray, Array< OneD, Array< OneD, NekDouble > > &outarray)
SolverUtils::AdvectionSharedPtr m_advection
bool m_constantDepth
Indicates if constant depth case.
Array< OneD, NekDouble > m_coriolis
Coriolis force.
MultiRegions::Direction const DirCartesianMap[]
Definition: ExpList.h:87
void Neg(int n, T *x, const int incx)
Negate x = -x.
Definition: Vmath.hpp:292

References Nektar::ShallowWaterSystem::AddCoriolis(), AddVariableDepth(), ASSERTL0, Nektar::MultiRegions::DirCartesianMap, Nektar::MultiRegions::eDiscontinuous, Nektar::MultiRegions::eGalerkin, Nektar::MultiRegions::eMixed_CG_Discontinuous, GetFluxVector(), Nektar::SolverUtils::EquationSystem::GetTotPoints(), Nektar::ShallowWaterSystem::m_advection, Nektar::ShallowWaterSystem::m_constantDepth, Nektar::ShallowWaterSystem::m_coriolis, Nektar::SolverUtils::EquationSystem::m_fields, Nektar::SolverUtils::EquationSystem::m_projectionType, Nektar::SolverUtils::EquationSystem::m_spacedim, Vmath::Neg(), and Vmath::Vadd().

Referenced by v_InitObject().

◆ GetFluxVector()

void Nektar::NonlinearSWE::GetFluxVector ( const Array< OneD, const Array< OneD, NekDouble > > &  physfield,
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &  flux 
)
protected

Definition at line 238 of file NonlinearSWE.cpp.

241{
242 int i, j;
243 int nq = m_fields[0]->GetTotPoints();
244
245 NekDouble g = m_g;
246 Array<OneD, Array<OneD, NekDouble>> velocity(m_spacedim);
247
248 // Flux vector for the mass equation
249 for (i = 0; i < m_spacedim; ++i)
250 {
251 velocity[i] = Array<OneD, NekDouble>(nq);
252 Vmath::Vcopy(nq, physfield[i + 1], 1, flux[0][i], 1);
253 }
254
255 GetVelocityVector(physfield, velocity);
256
257 // Put (0.5 g h h) in tmp
258 Array<OneD, NekDouble> tmp(nq);
259 Vmath::Vmul(nq, physfield[0], 1, physfield[0], 1, tmp, 1);
260 Vmath::Smul(nq, 0.5 * g, tmp, 1, tmp, 1);
261
262 // Flux vector for the momentum equations
263 for (i = 0; i < m_spacedim; ++i)
264 {
265 for (j = 0; j < m_spacedim; ++j)
266 {
267 Vmath::Vmul(nq, velocity[j], 1, physfield[i + 1], 1, flux[i + 1][j],
268 1);
269 }
270
271 // Add (0.5 g h h) to appropriate field
272 Vmath::Vadd(nq, flux[i + 1][i], 1, tmp, 1, flux[i + 1][i], 1);
273 }
274}
void GetVelocityVector(const Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &velocity)
Compute the velocity field given the momentum .
double NekDouble
void Vcopy(int n, const T *x, const int incx, T *y, const int incy)
Definition: Vmath.hpp:825

References GetVelocityVector(), Nektar::SolverUtils::EquationSystem::m_fields, Nektar::ShallowWaterSystem::m_g, Nektar::SolverUtils::EquationSystem::m_spacedim, Vmath::Smul(), Vmath::Vadd(), Vmath::Vcopy(), and Vmath::Vmul().

Referenced by DoOdeRhs(), Nektar::NonlinearPeregrine::v_InitObject(), and v_InitObject().

◆ GetVelocityVector()

void Nektar::NonlinearSWE::GetVelocityVector ( const Array< OneD, Array< OneD, NekDouble > > &  physfield,
Array< OneD, Array< OneD, NekDouble > > &  velocity 
)
protected

Compute the velocity field \( \mathbf{v} \) given the momentum \( h\mathbf{v} \).

Parameters
physfieldMomentum field.
velocityVelocity field.

Definition at line 283 of file NonlinearSWE.cpp.

286{
287 const int npts = physfield[0].size();
288
289 for (int i = 0; i < m_spacedim; ++i)
290 {
291 Vmath::Vdiv(npts, physfield[1 + i], 1, physfield[0], 1, velocity[i], 1);
292 }
293}
void Vdiv(int n, const T *x, const int incx, const T *y, const int incy, T *z, const int incz)
Multiply vector z = x/y.
Definition: Vmath.hpp:126

References Nektar::SolverUtils::EquationSystem::m_spacedim, and Vmath::Vdiv().

Referenced by GetFluxVector().

◆ v_GenerateSummary()

void Nektar::NonlinearSWE::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 118 of file NonlinearSWE.cpp.

119{
121 SolverUtils::AddSummaryItem(s, "Variables", "h should be in field[0]");
122 SolverUtils::AddSummaryItem(s, "", "hu should be in field[1]");
123 SolverUtils::AddSummaryItem(s, "", "hv should be in field[2]");
124}
void v_GenerateSummary(SolverUtils::SummaryList &s) override
Print a summary of time stepping parameters.
void AddSummaryItem(SummaryList &l, const std::string &name, const std::string &value)
Adds a summary item to the summary info list.
Definition: Misc.cpp:47

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

Referenced by Nektar::NonlinearPeregrine::v_GenerateSummary().

◆ v_InitObject()

void Nektar::NonlinearSWE::v_InitObject ( bool  DeclareField = true)
overrideprotectedvirtual

Init object for UnsteadySystem class.

Initialization object for UnsteadySystem class.

Reimplemented from Nektar::SolverUtils::UnsteadySystem.

Definition at line 54 of file NonlinearSWE.cpp.

55{
57
59 {
62 }
63 else
64 {
65 ASSERTL0(false, "Implicit SWE not set up.");
66 }
67
68 // Type of advection class to be used
69 switch (m_projectionType)
70 {
71 // Continuous field
73 {
74 // Do nothing
75 break;
76 }
77 // Discontinuous field
79 {
80 std::string advName;
81 std::string diffName;
82 std::string riemName;
83
84 //---------------------------------------------------------------
85 // Setting up advection and diffusion operators
86 m_session->LoadSolverInfo("AdvectionType", advName, "WeakDG");
88 advName, advName);
89 m_advection->SetFluxVector(&NonlinearSWE::GetFluxVector, this);
90
91 // Setting up Riemann solver for advection operator
92 m_session->LoadSolverInfo("UpwindType", riemName, "Average");
95 riemName, m_session);
96
97 // Setting up parameters for advection operator Riemann solver
98 m_riemannSolver->SetParam("gravity", &NonlinearSWE::GetGravity,
99 this);
100 m_riemannSolver->SetAuxVec("vecLocs", &NonlinearSWE::GetVecLocs,
101 this);
102 m_riemannSolver->SetVector("N", &NonlinearSWE::GetNormals, this);
103 m_riemannSolver->SetScalar("depth", &NonlinearSWE::GetDepth, this);
104
105 // Concluding initialisation of advection operators
106 m_advection->SetRiemannSolver(m_riemannSolver);
107 m_advection->InitObject(m_session, m_fields);
108 break;
109 }
110 default:
111 {
112 ASSERTL0(false, "Unsupported projection type.");
113 break;
114 }
115 }
116}
tBaseSharedPtr CreateInstance(tKey idKey, tParam... args)
Create an instance of the class referred to by idKey.
void DefineProjection(FuncPointerT func, ObjectPointerT obj)
void DefineOdeRhs(FuncPointerT func, ObjectPointerT obj)
void DoOdeRhs(const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time)
SolverUtils::RiemannSolverSharedPtr m_riemannSolver
const Array< OneD, NekDouble > & GetDepth()
void DoOdeProjection(const Array< OneD, const Array< OneD, NekDouble > > &inarray, Array< OneD, Array< OneD, NekDouble > > &outarray, const NekDouble time)
void v_InitObject(bool DeclareFields=true) override
Init object for UnsteadySystem class.
const Array< OneD, const Array< OneD, NekDouble > > & GetNormals()
const Array< OneD, const Array< OneD, NekDouble > > & GetVecLocs()
LibUtilities::SessionReaderSharedPtr m_session
The session reader.
LibUtilities::TimeIntegrationSchemeOperators m_ode
The time integration scheme operators to use.
bool m_explicitAdvection
Indicates if explicit or implicit treatment of advection is used.
AdvectionFactory & GetAdvectionFactory()
Gets the factory for initialising advection objects.
Definition: Advection.cpp:43
RiemannSolverFactory & GetRiemannSolverFactory()

References ASSERTL0, Nektar::LibUtilities::NekFactory< tKey, tBase, tParam >::CreateInstance(), Nektar::LibUtilities::TimeIntegrationSchemeOperators::DefineOdeRhs(), Nektar::LibUtilities::TimeIntegrationSchemeOperators::DefineProjection(), Nektar::ShallowWaterSystem::DoOdeProjection(), DoOdeRhs(), Nektar::MultiRegions::eDiscontinuous, Nektar::MultiRegions::eGalerkin, Nektar::SolverUtils::GetAdvectionFactory(), Nektar::ShallowWaterSystem::GetDepth(), GetFluxVector(), Nektar::ShallowWaterSystem::GetGravity(), Nektar::ShallowWaterSystem::GetNormals(), Nektar::SolverUtils::GetRiemannSolverFactory(), Nektar::ShallowWaterSystem::GetVecLocs(), Nektar::ShallowWaterSystem::m_advection, Nektar::SolverUtils::UnsteadySystem::m_explicitAdvection, Nektar::SolverUtils::EquationSystem::m_fields, Nektar::SolverUtils::UnsteadySystem::m_ode, Nektar::SolverUtils::EquationSystem::m_projectionType, Nektar::ShallowWaterSystem::m_riemannSolver, Nektar::SolverUtils::EquationSystem::m_session, and Nektar::ShallowWaterSystem::v_InitObject().

Friends And Related Function Documentation

◆ MemoryManager< NonlinearSWE >

friend class MemoryManager< NonlinearSWE >
friend

Definition at line 1 of file NonlinearSWE.h.

Member Data Documentation

◆ className

std::string Nektar::NonlinearSWE::className
static
Initial value:
=
"NonlinearSWE", NonlinearSWE::create,
"Nonlinear shallow water equation in conservative variables.")
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, std::string pDesc="")
Register a class with the factory.
static SolverUtils::EquationSystemSharedPtr create(const LibUtilities::SessionReaderSharedPtr &pSession, const SpatialDomains::MeshGraphSharedPtr &pGraph)
Creates an instance of this class.
Definition: NonlinearSWE.h:49
EquationSystemFactory & GetEquationSystemFactory()

Name of class.

Definition at line 59 of file NonlinearSWE.h.