POD adaptive sampling. More...

#include <pod_adaptive_sampling.h>

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

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

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

	~AdaptiveSampling ()
	Destructor.

int	run_sampling () const override
	Run Sampling Procedure.

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

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

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

void	solveFunctionalROM (const RowVectorXd &parameter) const
	Solve ROM and track functional.

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

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

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.

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

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

void	placeInitialSnapshots () const
	Placement of initial snapshots.

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

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< 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::AdaptiveSampling< dim, nstate >

POD adaptive sampling.

Definition at line 25 of file pod_adaptive_sampling.h.

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

src/reduced_order/pod_adaptive_sampling.h
src/reduced_order/pod_adaptive_sampling.cpp

Public Member Functions

Public Attributes

Detailed Description

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

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