Hyperreduced Adaptive Sampling with the updated error indicator. More...

#include <hyper_reduced_sampling_error_updated.h>

Inheritance diagram for PHiLiP::HyperreducedSamplingErrorUpdated< dim, nstate >:

Collaboration diagram for PHiLiP::HyperreducedSamplingErrorUpdated< dim, nstate >:

Public Member Functions
	HyperreducedSamplingErrorUpdated (const PHiLiP::Parameters::AllParameters *const parameters_input, const dealii::ParameterHandler &parameter_handler_input)
	Constructor.

int	run_sampling () const override
	Run test.

RowVectorXd	getMaxErrorROM () const override
	Compute RBF and find max error.

bool	placeROMLocations (const MatrixXd &rom_points, Epetra_Vector weights) const
	Placement of ROMs.

void	trueErrorROM (const MatrixXd &rom_points, Epetra_Vector weights) const
	Compute true/actual error at all ROM points (error in functional between FOM and ROM solution)

double	solveSnapshotROMandFOM (const RowVectorXd &parameter, Epetra_Vector weights) const
	Solve FOM and ROM, return error in functional between the models.

void	solveFunctionalHROM (const RowVectorXd &parameter, Epetra_Vector weights) const
	Solve HROM and track functional.

void	updateNearestExistingROMs (const RowVectorXd &parameter, Epetra_Vector weights) const
	Updates nearest ROM points to snapshot if error discrepancy is above tolerance.

std::unique_ptr< ProperOrthogonalDecomposition::ROMSolution< dim, nstate > >	solveSnapshotROM (const RowVectorXd &parameter, Epetra_Vector weights) const
	Solve reduced-order solution.

Epetra_Vector	allocateVectorToSingleCore (const Epetra_Vector &b) const
	Copy all elements in matrix A to all cores.

void	outputIterationData (std::string iteration) const override
	Output for each iteration.

Public Member Functions inherited from PHiLiP::AdaptiveSamplingBase< dim, nstate >
	AdaptiveSamplingBase (const PHiLiP::Parameters::AllParameters *const parameters_input, const dealii::ParameterHandler &parameter_handler_input)
	Default constructor that will set the constants.

virtual	~AdaptiveSamplingBase ()=default
	Virtual destructor.

RowVectorXd	readROMFunctionalPoint () const
	Find point to solve for functional from param file.

void	placeInitialSnapshots () const
	Placement of initial snapshots.

dealii::LinearAlgebra::distributed::Vector< double >	solveSnapshotFOM (const RowVectorXd &parameter) const
	Solve full-order snapshot.

Parameters::AllParameters	reinit_params (const RowVectorXd &parameter) const
	Reinitialize parameters.

void	configureInitialParameterSpace () const
	Set up parameter space depending on test case.

Public Attributes
std::vector< std::unique_ptr< ProperOrthogonalDecomposition::HROMTestLocation< dim, nstate > > >	hrom_locations
	Vector of parameter-HROMTestLocation pairs.

std::shared_ptr< Epetra_Vector >	ptr_weights
	Ptr vector of ECSW Weights.

std::vector< double >	rom_functional
	Functional value predicted by the rom at each sammpling iteration at parameter location specified in the inputs.

Public Attributes inherited from PHiLiP::AdaptiveSamplingBase< dim, nstate >
const Parameters::AllParameters *const	all_parameters
	Pointer to all parameters.

const dealii::ParameterHandler &	parameter_handler
	Parameter handler for storing the .prm file being ran.

MatrixXd	snapshot_parameters
	Matrix of snapshot parameters.

std::vector< std::unique_ptr< ProperOrthogonalDecomposition::ROMTestLocation< dim, nstate > > >	rom_locations
	Vector of parameter-ROMTestLocation pairs.

std::vector< dealii::LinearAlgebra::distributed::Vector< double > >	fom_locations
	Vector of parameter-ROMTestLocation pairs.

double	max_error
	Maximum error.

std::shared_ptr< ProperOrthogonalDecomposition::OnlinePOD< dim > >	current_pod
	Most up to date POD basis.

std::shared_ptr< ProperOrthogonalDecomposition::NearestNeighbors >	nearest_neighbors
	Nearest neighbors of snapshots.

const MPI_Comm	mpi_communicator
	MPI communicator.

const int	mpi_rank
	MPI rank.

dealii::ConditionalOStream	pcout
	ConditionalOStream. More...

Detailed Description

template<int dim, int nstate>
class PHiLiP::HyperreducedSamplingErrorUpdated< dim, nstate >

Hyperreduced Adaptive Sampling with the updated error indicator.

Definition at line 32 of file hyper_reduced_sampling_error_updated.h.

The documentation for this class was generated from the following files:

src/reduced_order/hyper_reduced_sampling_error_updated.h
src/reduced_order/hyper_reduced_sampling_error_updated.cpp

Public Member Functions

Public Attributes

Detailed Description

template<int dim, int nstate> class PHiLiP::HyperreducedSamplingErrorUpdated< dim, nstate >

template<int dim, int nstate>
class PHiLiP::HyperreducedSamplingErrorUpdated< dim, nstate >