Nektar++
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#include <Poisson.h>
Public Member Functions | |
virtual | ~Poisson () |
Public Member Functions inherited from Nektar::SolverUtils::EquationSystem | |
virtual SOLVER_UTILS_EXPORT | ~EquationSystem () |
Destructor. More... | |
SOLVER_UTILS_EXPORT void | SetUpTraceNormals (void) |
SOLVER_UTILS_EXPORT void | InitObject () |
Initialises the members of this object. More... | |
SOLVER_UTILS_EXPORT void | DoInitialise () |
Perform any initialisation necessary before solving the problem. More... | |
SOLVER_UTILS_EXPORT void | DoSolve () |
Solve the problem. More... | |
SOLVER_UTILS_EXPORT void | TransCoeffToPhys () |
Transform from coefficient to physical space. More... | |
SOLVER_UTILS_EXPORT void | TransPhysToCoeff () |
Transform from physical to coefficient space. More... | |
SOLVER_UTILS_EXPORT void | Output () |
Perform output operations after solve. More... | |
SOLVER_UTILS_EXPORT NekDouble | LinfError (unsigned int field, const Array< OneD, NekDouble > &exactsoln=NullNekDouble1DArray) |
Linf error computation. More... | |
SOLVER_UTILS_EXPORT std::string | GetSessionName () |
Get Session name. More... | |
template<class T > | |
boost::shared_ptr< T > | as () |
SOLVER_UTILS_EXPORT void | ResetSessionName (std::string newname) |
Reset Session name. More... | |
SOLVER_UTILS_EXPORT LibUtilities::SessionReaderSharedPtr | GetSession () |
Get Session name. More... | |
SOLVER_UTILS_EXPORT MultiRegions::ExpListSharedPtr | GetPressure () |
Get pressure field if available. More... | |
SOLVER_UTILS_EXPORT void | PrintSummary (std::ostream &out) |
Print a summary of parameters and solver characteristics. More... | |
SOLVER_UTILS_EXPORT void | SetLambda (NekDouble lambda) |
Set parameter m_lambda. More... | |
SOLVER_UTILS_EXPORT void | EvaluateFunction (Array< OneD, Array< OneD, NekDouble > > &pArray, std::string pFunctionName, const NekDouble pTime=0.0, const int domain=0) |
Evaluates a function as specified in the session file. More... | |
SOLVER_UTILS_EXPORT void | EvaluateFunction (std::vector< std::string > pFieldNames, Array< OneD, Array< OneD, NekDouble > > &pFields, const std::string &pName, const NekDouble &pTime=0.0, const int domain=0) |
Populate given fields with the function from session. More... | |
SOLVER_UTILS_EXPORT void | EvaluateFunction (std::vector< std::string > pFieldNames, Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const std::string &pName, const NekDouble &pTime=0.0, const int domain=0) |
Populate given fields with the function from session. More... | |
SOLVER_UTILS_EXPORT void | EvaluateFunction (std::string pFieldName, Array< OneD, NekDouble > &pArray, const std::string &pFunctionName, const NekDouble &pTime=0.0, const int domain=0) |
SOLVER_UTILS_EXPORT std::string | DescribeFunction (std::string pFieldName, const std::string &pFunctionName, const int domain) |
Provide a description of a function for a given field name. More... | |
SOLVER_UTILS_EXPORT void | InitialiseBaseFlow (Array< OneD, Array< OneD, NekDouble > > &base) |
Perform initialisation of the base flow. More... | |
SOLVER_UTILS_EXPORT void | SetInitialConditions (NekDouble initialtime=0.0, bool dumpInitialConditions=true, const int domain=0) |
Initialise the data in the dependent fields. More... | |
SOLVER_UTILS_EXPORT void | EvaluateExactSolution (int field, Array< OneD, NekDouble > &outfield, const NekDouble time) |
Evaluates an exact solution. More... | |
SOLVER_UTILS_EXPORT NekDouble | L2Error (unsigned int field, const Array< OneD, NekDouble > &exactsoln, bool Normalised=false) |
Compute the L2 error between fields and a given exact solution. More... | |
SOLVER_UTILS_EXPORT NekDouble | L2Error (unsigned int field, bool Normalised=false) |
Compute the L2 error of the fields. More... | |
SOLVER_UTILS_EXPORT Array < OneD, NekDouble > | ErrorExtraPoints (unsigned int field) |
Compute error (L2 and L_inf) over an larger set of quadrature points return [L2 Linf]. More... | |
SOLVER_UTILS_EXPORT void | WeakAdvectionGreensDivergenceForm (const Array< OneD, Array< OneD, NekDouble > > &F, Array< OneD, NekDouble > &outarray) |
Compute the inner product . More... | |
SOLVER_UTILS_EXPORT void | WeakAdvectionDivergenceForm (const Array< OneD, Array< OneD, NekDouble > > &F, Array< OneD, NekDouble > &outarray) |
Compute the inner product . More... | |
SOLVER_UTILS_EXPORT void | WeakAdvectionNonConservativeForm (const Array< OneD, Array< OneD, NekDouble > > &V, const Array< OneD, const NekDouble > &u, Array< OneD, NekDouble > &outarray, bool UseContCoeffs=false) |
Compute the inner product . More... | |
f SOLVER_UTILS_EXPORT void | AdvectionNonConservativeForm (const Array< OneD, Array< OneD, NekDouble > > &V, const Array< OneD, const NekDouble > &u, Array< OneD, NekDouble > &outarray, Array< OneD, NekDouble > &wk=NullNekDouble1DArray) |
Compute the non-conservative advection. More... | |
SOLVER_UTILS_EXPORT void | WeakDGAdvection (const Array< OneD, Array< OneD, NekDouble > > &InField, Array< OneD, Array< OneD, NekDouble > > &OutField, bool NumericalFluxIncludesNormal=true, bool InFieldIsInPhysSpace=false, int nvariables=0) |
Calculate the weak discontinuous Galerkin advection. More... | |
SOLVER_UTILS_EXPORT void | WeakDGDiffusion (const Array< OneD, Array< OneD, NekDouble > > &InField, Array< OneD, Array< OneD, NekDouble > > &OutField, bool NumericalFluxIncludesNormal=true, bool InFieldIsInPhysSpace=false) |
Calculate weak DG Diffusion in the LDG form. More... | |
SOLVER_UTILS_EXPORT void | Checkpoint_Output (const int n) |
Write checkpoint file of m_fields. More... | |
SOLVER_UTILS_EXPORT void | Checkpoint_Output (const int n, MultiRegions::ExpListSharedPtr &field, std::vector< Array< OneD, NekDouble > > &fieldcoeffs, std::vector< std::string > &variables) |
Write checkpoint file of custom data fields. More... | |
SOLVER_UTILS_EXPORT void | Checkpoint_BaseFlow (const int n) |
Write base flow file of m_fields. More... | |
SOLVER_UTILS_EXPORT void | WriteFld (const std::string &outname) |
Write field data to the given filename. More... | |
SOLVER_UTILS_EXPORT void | WriteFld (const std::string &outname, MultiRegions::ExpListSharedPtr &field, std::vector< Array< OneD, NekDouble > > &fieldcoeffs, std::vector< std::string > &variables) |
Write input fields to the given filename. More... | |
SOLVER_UTILS_EXPORT void | ImportFld (const std::string &infile, Array< OneD, MultiRegions::ExpListSharedPtr > &pFields) |
Input field data from the given file. More... | |
SOLVER_UTILS_EXPORT void | ImportFldToMultiDomains (const std::string &infile, Array< OneD, MultiRegions::ExpListSharedPtr > &pFields, const int ndomains) |
Input field data from the given file to multiple domains. More... | |
SOLVER_UTILS_EXPORT void | ImportFld (const std::string &infile, std::vector< std::string > &fieldStr, Array< OneD, Array< OneD, NekDouble > > &coeffs) |
Output a field. Input field data into array from the given file. More... | |
SOLVER_UTILS_EXPORT void | ImportFld (const std::string &infile, MultiRegions::ExpListSharedPtr &pField, std::string &pFieldName) |
Output a field. Input field data into ExpList from the given file. More... | |
SOLVER_UTILS_EXPORT void | ScanForHistoryPoints () |
Builds map of which element holds each history point. More... | |
SOLVER_UTILS_EXPORT void | WriteHistoryData (std::ostream &out) |
Probe each history point and write to file. More... | |
SOLVER_UTILS_EXPORT void | SessionSummary (SummaryList &vSummary) |
Write out a session summary. More... | |
SOLVER_UTILS_EXPORT Array < OneD, MultiRegions::ExpListSharedPtr > & | UpdateFields () |
SOLVER_UTILS_EXPORT LibUtilities::FieldMetaDataMap & | UpdateFieldMetaDataMap () |
Get hold of FieldInfoMap so it can be updated. More... | |
SOLVER_UTILS_EXPORT NekDouble | GetFinalTime () |
Return final time. More... | |
SOLVER_UTILS_EXPORT int | GetNcoeffs () |
SOLVER_UTILS_EXPORT int | GetNcoeffs (const int eid) |
SOLVER_UTILS_EXPORT int | GetNumExpModes () |
SOLVER_UTILS_EXPORT const Array< OneD, int > | GetNumExpModesPerExp () |
SOLVER_UTILS_EXPORT int | GetNvariables () |
SOLVER_UTILS_EXPORT const std::string | GetVariable (unsigned int i) |
SOLVER_UTILS_EXPORT int | GetTraceTotPoints () |
SOLVER_UTILS_EXPORT int | GetTraceNpoints () |
SOLVER_UTILS_EXPORT int | GetExpSize () |
SOLVER_UTILS_EXPORT int | GetPhys_Offset (int n) |
SOLVER_UTILS_EXPORT int | GetCoeff_Offset (int n) |
SOLVER_UTILS_EXPORT int | GetTotPoints () |
SOLVER_UTILS_EXPORT int | GetTotPoints (int n) |
SOLVER_UTILS_EXPORT int | GetNpoints () |
SOLVER_UTILS_EXPORT int | GetNumElmVelocity () |
SOLVER_UTILS_EXPORT int | GetSteps () |
SOLVER_UTILS_EXPORT NekDouble | GetTimeStep () |
SOLVER_UTILS_EXPORT void | CopyFromPhysField (const int i, Array< OneD, NekDouble > &output) |
SOLVER_UTILS_EXPORT void | CopyToPhysField (const int i, Array< OneD, NekDouble > &output) |
SOLVER_UTILS_EXPORT void | SetSteps (const int steps) |
SOLVER_UTILS_EXPORT void | ZeroPhysFields () |
SOLVER_UTILS_EXPORT void | FwdTransFields () |
SOLVER_UTILS_EXPORT void | GetFluxVector (const int i, Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &flux) |
SOLVER_UTILS_EXPORT void | GetFluxVector (const int i, Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &fluxX, Array< OneD, Array< OneD, NekDouble > > &fluxY) |
SOLVER_UTILS_EXPORT void | GetFluxVector (const int i, const int j, Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &flux) |
SOLVER_UTILS_EXPORT void | NumericalFlux (Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &numflux) |
SOLVER_UTILS_EXPORT void | NumericalFlux (Array< OneD, Array< OneD, NekDouble > > &physfield, Array< OneD, Array< OneD, NekDouble > > &numfluxX, Array< OneD, Array< OneD, NekDouble > > &numfluxY) |
SOLVER_UTILS_EXPORT void | NumFluxforScalar (const Array< OneD, Array< OneD, NekDouble > > &ufield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &uflux) |
SOLVER_UTILS_EXPORT void | NumFluxforVector (const Array< OneD, Array< OneD, NekDouble > > &ufield, Array< OneD, Array< OneD, Array< OneD, NekDouble > > > &qfield, Array< OneD, Array< OneD, NekDouble > > &qflux) |
SOLVER_UTILS_EXPORT void | SetModifiedBasis (const bool modbasis) |
SOLVER_UTILS_EXPORT int | NoCaseStringCompare (const string &s1, const string &s2) |
Perform a case-insensitive string comparison. More... | |
SOLVER_UTILS_EXPORT int | GetCheckpointNumber () |
SOLVER_UTILS_EXPORT void | SetCheckpointNumber (int num) |
SOLVER_UTILS_EXPORT int | GetCheckpointSteps () |
SOLVER_UTILS_EXPORT void | SetCheckpointSteps (int num) |
SOLVER_UTILS_EXPORT void | SetTime (const NekDouble time) |
SOLVER_UTILS_EXPORT void | SetInitialStep (const int step) |
SOLVER_UTILS_EXPORT void | SetBoundaryConditions (NekDouble time) |
Evaluates the boundary conditions at the given time. More... | |
virtual SOLVER_UTILS_EXPORT bool | v_NegatedOp () |
Virtual function to identify if operator is negated in DoSolve. More... | |
Static Public Member Functions | |
static EquationSystemSharedPtr | create (const LibUtilities::SessionReaderSharedPtr &pSession) |
Creates an instance of this class. More... | |
Static Public Member Functions inherited from Nektar::Laplace | |
static EquationSystemSharedPtr | create (const LibUtilities::SessionReaderSharedPtr &pSession) |
Creates an instance of this class. More... | |
Static Public Attributes | |
static std::string | className1 = GetEquationSystemFactory().RegisterCreatorFunction("Poisson", Poisson::create) |
Name of class. More... | |
static std::string | className2 = GetEquationSystemFactory().RegisterCreatorFunction("SteadyDiffusion", Poisson::create) |
Static Public Attributes inherited from Nektar::Laplace | |
static std::string | className |
Name of class. More... | |
Protected Member Functions | |
Poisson (const LibUtilities::SessionReaderSharedPtr &pSession) | |
virtual void | v_InitObject () |
Initialisation object for EquationSystem. More... | |
virtual void | v_GenerateSummary (SolverUtils::SummaryList &s) |
Virtual function for generating summary information. More... | |
Protected Member Functions inherited from Nektar::Laplace | |
Laplace (const LibUtilities::SessionReaderSharedPtr &pSession) | |
virtual | ~Laplace () |
virtual void | v_DoSolve () |
Virtual function for solve implementation. More... | |
Protected Member Functions inherited from Nektar::SolverUtils::EquationSystem | |
SOLVER_UTILS_EXPORT | EquationSystem (const LibUtilities::SessionReaderSharedPtr &pSession) |
Initialises EquationSystem class members. More... | |
int | nocase_cmp (const string &s1, const string &s2) |
virtual SOLVER_UTILS_EXPORT void | v_DoInitialise () |
Virtual function for initialisation 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_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) |
SOLVER_UTILS_EXPORT void | SetUpBaseFields (SpatialDomains::MeshGraphSharedPtr &mesh) |
SOLVER_UTILS_EXPORT void | ImportFldBase (std::string pInfile, SpatialDomains::MeshGraphSharedPtr pGraph) |
virtual SOLVER_UTILS_EXPORT void | v_Output (void) |
virtual SOLVER_UTILS_EXPORT MultiRegions::ExpListSharedPtr | v_GetPressure (void) |
virtual SOLVER_UTILS_EXPORT void | v_ExtraFldOutput (std::vector< Array< OneD, NekDouble > > &fieldcoeffs, std::vector< std::string > &variables) |
Private Member Functions | |
virtual Array< OneD, bool > | v_GetSystemSingularChecks () |
Friends | |
class | MemoryManager< Poisson > |
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::Laplace | |
StdRegions::ConstFactorMap | m_factors |
Protected Attributes inherited from Nektar::SolverUtils::EquationSystem | |
LibUtilities::CommSharedPtr | m_comm |
Communicator. More... | |
LibUtilities::SessionReaderSharedPtr | m_session |
The session reader. More... | |
LibUtilities::FieldIOSharedPtr | m_fld |
Field input/output. More... | |
map< std::string, Array< OneD, Array< OneD, float > > > | m_interpWeights |
Map of the interpolation weights for a specific filename. More... | |
map< std::string, Array< OneD, Array< OneD, unsigned int > > > | m_interpInds |
Map of the interpolation indices for a specific filename. More... | |
Array< OneD, MultiRegions::ExpListSharedPtr > | m_fields |
Array holding all dependent variables. More... | |
Array< OneD, MultiRegions::ExpListSharedPtr > | m_base |
Base fields. More... | |
Array< OneD, MultiRegions::ExpListSharedPtr > | m_derivedfields |
Array holding all dependent variables. More... | |
SpatialDomains::BoundaryConditionsSharedPtr | m_boundaryConditions |
Pointer to boundary conditions object. More... | |
SpatialDomains::MeshGraphSharedPtr | m_graph |
Pointer to graph defining mesh. More... | |
std::string | m_sessionName |
Name of the session. More... | |
NekDouble | m_time |
Current time of simulation. More... | |
int | m_initialStep |
Number of the step where the simulation should begin. More... | |
NekDouble | m_fintime |
Finish time of the simulation. More... | |
NekDouble | m_timestep |
Time step size. More... | |
NekDouble | m_lambda |
Lambda constant in real system if one required. More... | |
std::set< std::string > | m_loadedFields |
NekDouble | m_checktime |
Time between checkpoints. More... | |
int | m_nchk |
Number of checkpoints written so far. More... | |
int | m_steps |
Number of steps to take. More... | |
int | m_checksteps |
Number of steps between checkpoints. More... | |
int | m_spacedim |
Spatial dimension (>= expansion dim). More... | |
int | m_expdim |
Expansion dimension. More... | |
bool | m_singleMode |
Flag to determine if single homogeneous mode is used. More... | |
bool | m_halfMode |
Flag to determine if half homogeneous mode is used. More... | |
bool | m_multipleModes |
Flag to determine if use multiple homogenenous modes are used. More... | |
bool | m_useFFT |
Flag to determine if FFT is used for homogeneous transform. More... | |
bool | m_homogen_dealiasing |
Flag to determine if dealiasing is used for homogeneous simulations. More... | |
bool | m_specHP_dealiasing |
Flag to determine if dealisising is usde for the Spectral/hp element discretisation. More... | |
enum MultiRegions::ProjectionType | m_projectionType |
Type of projection; e.g continuous or discontinuous. More... | |
Array< OneD, Array< OneD, NekDouble > > | m_traceNormals |
Array holding trace normals for DG simulations in the forwards direction. More... | |
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > | m_gradtan |
1 x nvariable x nq More... | |
Array< OneD, Array< OneD, Array< OneD, NekDouble > > > | m_tanbasis |
2 x m_spacedim x nq More... | |
Array< OneD, bool > | m_checkIfSystemSingular |
Flag to indicate if the fields should be checked for singularity. More... | |
LibUtilities::FieldMetaDataMap | m_fieldMetaDataMap |
Map to identify relevant solver info to dump in output fields. More... | |
int | m_NumQuadPointsError |
Number of Quadrature points used to work out the error. More... | |
enum HomogeneousType | m_HomogeneousType |
NekDouble | m_LhomX |
physical length in X direction (if homogeneous) More... | |
NekDouble | m_LhomY |
physical length in Y direction (if homogeneous) More... | |
NekDouble | m_LhomZ |
physical length in Z direction (if homogeneous) More... | |
int | m_npointsX |
number of points in X direction (if homogeneous) More... | |
int | m_npointsY |
number of points in Y direction (if homogeneous) More... | |
int | m_npointsZ |
number of points in Z direction (if homogeneous) More... | |
int | m_HomoDirec |
number of homogenous directions More... | |
int | m_NumMode |
Mode to use in case of single mode analysis. More... | |
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Definition at line 56 of file Poisson.cpp.
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protected |
Definition at line 43 of file Poisson.cpp.
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inlinestatic |
Creates an instance of this class.
Definition at line 49 of file Poisson.h.
References Nektar::MemoryManager< DataType >::AllocateSharedPtr().
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protectedvirtual |
Virtual function for generating summary information.
Reimplemented from Nektar::Laplace.
Reimplemented in Nektar::Helmholtz.
Definition at line 61 of file Poisson.cpp.
References Nektar::SolverUtils::AddSummaryItem(), Nektar::SolverUtils::EquationSystem::m_fields, Nektar::SolverUtils::EquationSystem::m_session, and Nektar::Laplace::v_GenerateSummary().
Referenced by Nektar::Helmholtz::v_GenerateSummary().
Reimplemented from Nektar::Laplace.
Reimplemented in Nektar::Helmholtz.
Definition at line 73 of file Poisson.cpp.
References Nektar::SolverUtils::EquationSystem::m_session.
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protectedvirtual |
Initialisation object for EquationSystem.
Continuous field
Setting up the normals
Setting up the normals
Reimplemented from Nektar::Laplace.
Reimplemented in Nektar::Helmholtz.
Definition at line 49 of file Poisson.cpp.
References Nektar::SolverUtils::EquationSystem::EvaluateFunction(), Nektar::SolverUtils::EquationSystem::m_fields, Nektar::SolverUtils::EquationSystem::m_session, and Nektar::Laplace::v_InitObject().
Referenced by Nektar::Helmholtz::v_InitObject().
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