HyperReduction_function Class Reference

Inheritance diagram for HyperReduction_function:

Public Member Functions
Eigen::VectorXd	onlineCoeffs (volScalarField &S, Eigen::MatrixXd mu)
	HyperReduction (label n_modes, label n_nodes, Eigen::VectorXi initialSeeds, word problemName, SnapshotsLists &&...snapshotsLists)
	Construct HyperReduction class, interpolation-based.
	HyperReduction (label n_modes, label n_nodes, unsigned int vectorial_dim, label n_cells, Eigen::VectorXi initialSeeds, word problemName)
	Construct HyperReduction class.
Public Member Functions inherited from HyperReduction< PtrList< volScalarField > & >
	HyperReduction (label n_modes, label n_nodes, Eigen::VectorXi initialSeeds, word problemName, SnapshotsLists &&...snapshotsLists)
	Construct HyperReduction class, interpolation-based.
	HyperReduction (label n_modes, label n_nodes, unsigned int vectorial_dim, label n_cells, Eigen::VectorXi initialSeeds, word problemName)
	Construct HyperReduction class.
void	offlineGappyDEIM (Eigen::MatrixXd &snapshotsModes, Eigen::VectorXd &normalizingWeights)
	Methods implemented: 'GappyDEIM' from "DEIM, Chaturantabut, Saifon, and Danny C. Sorensen. "Nonlinear model reduction via discrete empirical interpolation.
void	offlineGappyDEIM (Eigen::MatrixXd &snapshotsModes, Eigen::VectorXd &normalizingWeights, word folderMethodName)
void	offlineECP (Eigen::MatrixXd &snapshotsModes, Eigen::VectorXd &normalizingWeights)
	Methods implemented: 'ECP' from "ECP, Hernandez, Joaquin Alberto, Manuel Alejandro Caicedo, and Alex Ferrer. "Dimensional hyper-reduction of nonlinear finite element models via empirical cubature.
void	offlineECP (Eigen::MatrixXd &snapshotsModes, Eigen::VectorXd &normalizingWeights, word folderMethodName)
void	initSeeds (Eigen::VectorXd mp_not_mask, std::set< label > nodePointsSet)
	TODO.
void	computeLS (Eigen::MatrixXd &J, Eigen::MatrixXd &JWhole, Eigen::VectorXd &b, Eigen::VectorXd &q)
	TODO.
void	getModesSVD (SnapshotsListTuple &SnapshotsListTuple, Eigen::MatrixXd &modesSVD, Eigen::VectorXd &fieldWeights, bool saveModesFlag=false)
	TODO.
void	getModesSVD (SnapshotsListTuple &snapshotsListTuple, Eigen::MatrixXd &modesSVD, Eigen::VectorXd &fieldWeights, Eigen::MatrixXd &modesSVDBoundary, Eigen::VectorXd &fieldWeightsBoundary, bool saveModesFlag)
	TODO.
void	updateNodes (Eigen::SparseMatrix< double > &P, label &ind_max, Eigen::VectorXd &mp_not_mask)
	TODO.
void	stackSnapshots (SnapshotsList sList, Eigen::MatrixXd &snapshotsMatrix, Eigen::VectorXd &fieldWeights)
	TODO.
void	stackSnapshotsBoundary (SnapshotsList sList, List< Eigen::MatrixXd > &snapshotsMatrixBoundary, List< Eigen::VectorXd > &fieldWeightsBoundary)
	TODO.
void	saveModes (SnapshotsList sList, Eigen::MatrixXd &snapshotsMatrix, unsigned int &rowIndex, unsigned int &modeIndex, word folder)
	TODO.
void	saveModes (SnapshotsList sList, Eigen::MatrixXd &snapshotsMatrix, Eigen::MatrixXd &snapshotsMatrixBoundary, unsigned int &rowIndex, unsigned int &rowIndexBoundary, unsigned int &modeIndex, word folder)
	TODO.
void	stackNames (SnapshotsList sList)
	TODO.
void	stackDimensions (SnapshotsList sList)
	TODO.
void	sumDimensions (double sum, SnapshotsList sList)
	TODO.
void	evaluatePinv (Eigen::SparseMatrix< double > &Projector, Eigen::MatrixXd &Modes, Eigen::VectorXd &fieldWeights)
	Compute the pseudo-inverse of the matrix M restricted with the projector P.
void	evaluateWPU (Eigen::SparseMatrix< double > &Projector, Eigen::MatrixXd &Modes, Eigen::VectorXd &fieldWeights, Eigen::VectorXd &quadratureWeights)
	Compute the pseudo-inverse of the matrix M restricted with the projector P.
void	generateSubmesh (label layers, const fvMesh &mesh)
	Compute the submesh common to all fields in SnapshotsLists.
List< label >	global2local (List< label > &points, fvMeshSubset &submesh)
	Get local indices in the submesh from indices in the global ones.
autoPtr< FieldType >	interpolateField (const FieldType &field)
	TODO.
constexpr unsigned int	get_field_dim ()
	TODO.
constexpr unsigned int	compute_vectorial_dim (LastList x)
	TODO.
constexpr unsigned int	compute_vectorial_dim (List &&head, RemainingLists &&...tail)
	TODO.
void	eigen2fields (Eigen::VectorXd &eFields, FieldsArgs &&... oFields)
	TODO.
void	initReshapeMat (Eigen::SparseMatrix< double > &reshapeMat)
	TODO.
void	createMasks (bool offlineStage=true)
	TODO.
void	getSnapMatrix (Eigen::MatrixXd &snapMatrix, Eigen::VectorXd &fieldWeights)
	TODO.
void	getSnapMatrix (Eigen::MatrixXd &snapMatrix, Eigen::VectorXd &fieldWeights, List< Eigen::MatrixXd > &snapMatrixBoundary, List< Eigen::VectorXd > &fieldWeightsBoundary)
	TODO.

Static Public Member Functions
static volScalarField	evaluate_expression (volScalarField &S, Eigen::MatrixXd mu)
static Eigen::VectorXd	evaluate_expression (volScalarField &S, Eigen::MatrixXd mu, List< label > nodesList)
Static Public Member Functions inherited from HyperReduction< PtrList< volScalarField > & >
static double	s_optimality (Eigen::MatrixXd &A)
	TODO.

Additional Inherited Members
Public Types inherited from HyperReduction< PtrList< volScalarField > & >
using	SnapshotsListTuple
using	FieldsTuple
using	NthFieldListType
using	NthFieldType
Public Attributes inherited from HyperReduction< PtrList< volScalarField > & >
word	methodName
unsigned int	vectorial_dim
unsigned int	sumFieldsDim
ITHACAparameters *	para
label	n_boundary_patches
List< label >	n_boundary_cells_list
label	n_boundary_cells
label	n_modes
	The maximum number of modes to be considered.
label	n_nodes
	The maximum number of modes to be considered.
label	n_snapshots
	The length of the snapshots lists.
Eigen::VectorXi	initialSeeds
Eigen::VectorXi	nodes
word	problemName
	The name of the non-linear function e.g. HR_method/residual.
SnapshotsListTuple	snapshotsListTuple
	The snapshots matrix containing the nonlinear function or operator.
List< word >	fieldNames
	Names of the fields.
List< unsigned int >	fieldDims
	Dimensions of the fields.
label	n_cells
	Int Number of Cells;.
label	n_cellsSubfields
	Int Number of Cells in submeshes;.
autoPtr< IOList< label > >	nodePoints
	Nodes in the case of the a nonlinear function.
autoPtr< IOList< labelList > >	totalNodePoints
	List of label lists of the nodes and corresponding surrounding nodes.
autoPtr< IOList< label > >	uniqueNodePoints
	List of the unique indices of the nodes that define the submesh.
word	folderProblem
	Folder for the HR problem.
word	folderMethod
	Folder for the selected HR method.
List< label >	localNodePoints
	Indices of the local node points in the subMesh.
Eigen::MatrixXd	basisMatrix
	Orthonormal basis of HR.
Eigen::VectorXd	normalizingWeights
Eigen::MatrixXd	renormalizedBasisMatrix
	Renormalized basis of HR.
Eigen::MatrixXd	pinvPU
Eigen::MatrixXd	wPU
Eigen::VectorXd	eigenValueseig
Eigen::SparseMatrix< double >	P
	The P matrix of the HyperReduction method. The nodes are ordered in the order of insertion during the greedy procedure. The components related to the same node follow immediately.
Eigen::SparseMatrix< double >	field2submesh
Eigen::SparseMatrix< double >	submesh2nodes
Eigen::VectorXi	submesh2nodesMask
Eigen::VectorXd	quadratureWeights
	Quadrature weights. Ordered in the same order of matrix P.
autoPtr< fvMeshSubset >	submesh
	Submesh of the HyperReduction method.
autoPtr< volVectorField >	submesh_field
	Submeshes.
Eigen::MatrixXd	MatrixOnline
	Online Matrix.
Static Public Attributes inherited from HyperReduction< PtrList< volScalarField > & >
static constexpr auto	n_fields

Detailed Description

Definition at line 42 of file 24HyperReduction.C.

Member Function Documentation

evaluate_expression() [1/2]

static volScalarField HyperReduction_function::evaluate_expression ( volScalarField & S, Eigen::MatrixXd mu )

inlinestatic

Definition at line 46 of file 24HyperReduction.C.

evaluate_expression() [2/2]

static Eigen::VectorXd HyperReduction_function::evaluate_expression ( volScalarField & S, Eigen::MatrixXd mu, List< label > nodesList )

inlinestatic

Definition at line 60 of file 24HyperReduction.C.

HyperReduction() [1/2]

HyperReduction< SnapshotsLists >::HyperReduction	(	label	n_modes,
		label	n_nodes,
		Eigen::VectorXi	initialSeeds,
		word	problemName,
		SnapshotsLists &&...	snapshotsLists )

Construct HyperReduction class, interpolation-based.

SnapshotsLists is a variadic argument of PtrLists of fields e.g. for incompressible Navier-Stokes PtrList<volVectorField>, PtrList<volScalarField> for velocity and pressure.

Parameters

[in]	hrMethod	the chosen HR method
[in]	n_modes	dimension of the HR basis
[in]	n_nodes	number of nodes
[in]	initialSeeds	initial nodes
[in]	problemName	name of the function to be hyper-reduced
[in]	snapshotsLists	lists of fields

Definition at line 76 of file hyperReduction.templates.H.

HyperReduction() [2/2]

HyperReduction< SnapshotsLists >::HyperReduction	(	label	n_modes,
		label	n_nodes,
		unsigned int	vectorial_dim,
		label	n_cells,
		Eigen::VectorXi	initialSeeds,
		word	problemName )

Construct HyperReduction class.

Parameters

[in]	n_modes	Dimension of the HR basis
[in]	n_nodes	Number of nodes
[in]	vectorial_dim	Field dimension (1 for volScalarField 3 for volVectorField)
[in]	n_cells	Number of cells
[in]	initialSeeds	Initial nodes
[in]	problemName	Name of the function to be hyper-reduced

Definition at line 92 of file hyperReduction.templates.H.

onlineCoeffs()

Eigen::VectorXd HyperReduction_function::onlineCoeffs ( volScalarField & S, Eigen::MatrixXd mu )

inline

Definition at line 75 of file 24HyperReduction.C.

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

• /github/workspace/tutorials/CFD/24HyperReduction/24HyperReduction.C