Implementation of a parametrized full order unsteady NST problem weakly coupled with the energy equation and preparation of the the reduced matrices for the online solve. More...

#include <UnsteadyNSTTurb.H>

Inheritance diagram for UnsteadyNSTTurb:

Public Member Functions
	UnsteadyNSTTurb ()
	Construct Null.

	UnsteadyNSTTurb (int argc, char *argv[])
	Construct with argc and argv.

	~UnsteadyNSTTurb ()

Eigen::MatrixXd	BTturbulence (label NUmodes, label NSUPmodes)
	BT added matrix for the turbulence treatement.

List< Eigen::MatrixXd >	turbulenceTerm1 (label NUmodes, label NSUPmodes, label Nnutmodes)
	CT1 added matrix for the turbulence treatement.

List< Eigen::MatrixXd >	temperatureTurbulenceTerm (label NTmodes, label Nnutmodes)
	S added matrix for the thermal turbulence treatement.

List< Eigen::MatrixXd >	turbulenceTerm2 (label NUmodes, label NSUPmodes, label Nnutmodes)
	CT2 added matrix for the turbulence treatement.

void	truthSolve (List< scalar > mu_now)
	Perform a truthsolve.

bool	checkWrite (Time &timeObject)
	Function to check if the solution must be exported.

void	liftSolveT ()
	Perform a lift solve for temperature field.

void	projectSUP (fileName folder, label NU, label NP, label NSUP, label Nnut, label NT)
	Project using a supremizer approach.

Public Member Functions inherited from unsteadyNST
	unsteadyNST ()
	Constructors.

	unsteadyNST (int argc, char *argv[])
	Construct with argc and argv.

	~unsteadyNST ()

void	liftSolve ()
	Perform a lift solve for velocity field.

void	liftSolveT ()
	Perform a lift solve for temperature field.

void	truthSolve (List< scalar > mu_now)
	Perform a truthsolve.

bool	checkWrite (Time &timeObject)
	Function to check if the solution must be exported.

void	projectSUP (fileName folder, label NUmodes, label NPmodes, label NTmodes, label NSUPmodes)
	Specific variable for the unstationary case.

List< Eigen::MatrixXd >	convective_term_temperature (label NUmodes, label NTmodes, label NSUPmodes)
	Convective Term for Temperature.

Eigen::MatrixXd	diffusive_term_temperature (label NUmodes, label NTmodes, label NSUPmodes)
	Diffusive Term for Temperature.

Eigen::MatrixXd	mass_term_temperature (label NUmodes, label NTmodes, label NSUPmodes)
	Mass Term for Temperature.

Public Member Functions inherited from unsteadyNS
	unsteadyNS ()
	Construct Null.

	unsteadyNS (int argc, char *argv[])
	Construct with argc and argv.

void	truthSolve (List< scalar > mu_now, fileName folder="./ITHACAoutput/Offline/")
	Perform a truthsolve.

Public Member Functions inherited from steadyNS
	steadyNS ()
	Null constructor.

	steadyNS (int argc, char *argv[])
	Construct with argc and argv.

	~steadyNS ()

void	truthSolve (List< scalar > mu_now)
	Perform a truthsolve.

void	solvesupremizer (word type="snapshots")
	solve the supremizer either with the use of the pressure snaphots or the pressure modes

void	liftSolve ()
	Perform a lift solve.

void	projectPPE (fileName folder, label NUmodes, label NPmodes, label NSUPmodes=0)
	Project using the Poisson Equation for pressure.

void	projectSUP (fileName folder, label NUmodes, label NPmodes, label NSUPmodes)
	Project using a supremizer approach.

void	discretizeThenProject (fileName folder, label NUmodes, label NPmodes, label NSUPmodes=0)
	Project using the Discretize-then-project approach.

Eigen::MatrixXd	diffusive_term (label NUmodes, label NPmodes, label NSUPmodes)
	Diffusive Term.

Eigen::MatrixXd	diffusive_term_sym (label NUmodes, label NPmodes, label NSUPmodes)
	Symetric diffusive Term.

Eigen::MatrixXd	pressure_gradient_term (label NUmodes, label NPmodes, label NSUPmodes)
	Gradient of pressure.

List< Eigen::MatrixXd >	convective_term (label NUmodes, label NPmodes, label NSUPmodes)
	Convective Term.

Eigen::MatrixXd	mass_term (label NUmodes, label NPmodes, label NSUPmodes)
	Mass Term.

Eigen::MatrixXd	divergence_term (label NUmodes, label NPmodes, label NSUPmodes)
	Divergence Term (supremizer approach)

List< Eigen::MatrixXd >	div_momentum (label NUmodes, label NPmodes)
	Divergence of convective term (PPE approach)

Eigen::Tensor< double, 3 >	divMomentum (label NUmodes, label NPmodes)
	Divergence of convective term (PPE approach)

Eigen::MatrixXd	laplacian_pressure (label NPmodes)
	Laplacian of pressure term (PPE approach)

Eigen::MatrixXd	pressure_BC1 (label NPmodes, label NUmodes)
	Term N° 1 given by the additional boundary condition using a PPE approach.

List< Eigen::MatrixXd >	pressure_BC2 (label NPmodes, label NUmodes)
	Term N° 2 given by the additional boundary condition using a PPE approach.

Eigen::Tensor< double, 3 >	pressureBC2 (label NPmodes, label NUmodes)
	Term N° 2 given by the additional boundary condition using a PPE approach.

Eigen::MatrixXd	pressure_BC3 (label NPmodes, label NUmodes)
	Term N° 3 given by the additional boundary condition using a PPE approach.

Eigen::MatrixXd	pressure_BC4 (label NPmodes, label NUmodes)
	Term N° 4 given by the additional boundary condition using a PPE approach for time-dependent BCs.

List< Eigen::MatrixXd >	bcVelocityVec (label NUmodes, label NSUPmodes)
	Boundary integral modes on boundary used by the penaly method.

List< Eigen::MatrixXd >	bcVelocityMat (label NUmodes, label NSUPmodes)
	Boundary integral modes on boundary used by the penaly method.

Eigen::MatrixXd	diffusive_term_flux_method (label NUmodes, label NPmodes, label NSUPmodes)
	Diffusive Flux Method.

List< Eigen::MatrixXd >	boundary_vector_diffusion (label NUmodes, label NPmodes, label NSUPmodes)
	Boundary vector diffusion term.

List< Eigen::MatrixXd >	boundary_vector_convection (label NUmodes, label NPmodes, label NSUPmodes)
	Boundary vector convection term.

Eigen::Tensor< double, 3 >	convective_term_flux_tens (label NUmodes, label NPmodes, label NSUPmodes)
	Convective Term.

List< Eigen::MatrixXd >	pressure_gradient_term_linsys_div (label NPmodes)
	Laplacian of pressure Linear System - Divergence term.

List< Eigen::MatrixXd >	pressure_gradient_term_linsys_diff (label NPmodes)
	Laplacian of pressure Linear System - Diffusion term.

List< Eigen::MatrixXd >	pressure_gradient_term_linsys_conv (label NPmodes)
	Laplacian of pressure Linear System - Convection term.

Eigen::MatrixXd	diffusive_term_consistent (label NUmodes, label NPmodes, label NSUPmodes)
	Diffusion Term (consistent flux method)

List< Eigen::MatrixXd >	boundary_vector_diffusion_consistent (label NUmodes, label NSUPmodes)
	Boundary vector diffusion term (consistent flux method)

List< Eigen::MatrixXd >	boundary_vector_convection_consistent (label NUmodes, label NSUPmodes)
	Boundary vector convection term - Consistent Flux Method.

Eigen::MatrixXd	mass_matrix_newtime_consistent (label NUmodes, label NPmodes, label NSUPmodes)
	Mass Matrix new time step (consistent flux method)

Eigen::MatrixXd	mass_matrix_oldtime_consistent (label NUmodes, label NPmodes, label NSUPmodes)
	Mass Matrix old time step (consistent flux method)

Eigen::MatrixXd	pressure_gradient_term_consistent (label NUmodes, label NPmodes, label NSUPmodes)
	Pressure Gradient Term (consistent flux method)

Eigen::Tensor< double, 3 >	convective_term_consistent_tens (label NUmodes, label NPmodes, label NSUPmodes)
	Convective Term (consistent flux method)

void	change_viscosity (double mu)
	Function to change the viscosity.

void	forcesMatrices (label NUmodes, label NPmodes, label NSUPmodes)
	Compute lift and drag matrices.

void	forcesMatrices (label nModes)
	Compute lift and drag matrices offline matrices for the case of same number of velocity and pressure modes.

void	reconstructLiftAndDrag (const Eigen::MatrixXd &velCoeffs, const Eigen::MatrixXd &pressureCoeffs, fileName folder)
	Method to reconstruct the forces using velocity and pressure coefficients.

Eigen::Tensor< double, 3 >	convective_term_tens (label NUmodes, label NPmodes, label NSUPmodes)
	Export convective term as a tensor.

void	restart ()
	set U and P back to the values into the 0 folder

Public Member Functions inherited from reductionProblem
	reductionProblem ()
	Construct Null.

	~reductionProblem ()

void	setParameters ()
	Set Parameters Problems.

void	genRandPar ()
	Generate Random Numbers.

void	genRandPar (label tsize)
	Generate Random Numbers given the dimension of the training set.

void	genEquiPar ()
	Generate Equidistributed Numbers.

void	truthSolve ()
	Perform a TruthSolve.

void	assignBC (volVectorField &s, label BC_ind, Vector< double > &value)
	Assign Boundary Condition to a volVectorField.

void	assignBC (volScalarField &s, label BC_ind, double &value)
	Assign Boundary Condition to a volScalarField.

void	reconstructFromMatrix (PtrList< volVectorField > &rec_field2, PtrList< volVectorField > &modes, label Nmodes, Eigen::MatrixXd coeff_matrix)
	Exact reconstruction using a certain number of modes for vector list of fields and the projection coefficients (volVectorField)

void	reconstructFromMatrix (PtrList< volScalarField > &rec_field2, PtrList< volScalarField > &modes, label Nmodes, Eigen::MatrixXd coeff_matrix)
	Exact reconstruction using a certain number of modes for vector list of fields and the projection coefficients (volScalarField)

template<typename T , typename G >
void	assignIF (T &s, G &value)
	Assign internal field condition.

template<typename T >
void	computeLift (T &Lfield, T &liftfield, T &omfield)
	Homogenize the snapshot matrix, it works with PtrList of volVectorField and volScalarField.

template<typename T >
void	computeLiftT (T &Lfield, T &liftfield, T &omfield)
	Virtual function to compute the lifting function.

void	liftSolve ()
	Virtual function to compute the lifting function for scalar field.

void	liftSolveT ()

void	project ()
	General projection operation.

void	writeMu (List< scalar > mu_now)
	Write out a list of scalar corresponding to the parameters used in the truthSolve.

std::vector< SPLINTER::RBFSpline >	getCoeffManifoldRBF (PtrList< volVectorField > snapshots, PtrList< volVectorField > &modes, word rbfBasis="GAUSSIAN")
	Constructs the parameters-coefficients manifold for vector fields, based on RBF-spline model.

std::vector< SPLINTER::RBFSpline >	getCoeffManifoldRBF (PtrList< volScalarField > snapshots, PtrList< volScalarField > &modes, word rbfBasis="GAUSSIAN")
	Constructs the parameters-coefficients manifold for scalar fields, based on RBF-spline model.

std::vector< SPLINTER::BSpline >	getCoeffManifoldSPL (PtrList< volVectorField > snapshots, PtrList< volVectorField > &modes, label splDeg=3)
	Constructs the parameters-coefficients manifold for vector fields, based on the B-spline model.

std::vector< SPLINTER::BSpline >	getCoeffManifoldSPL (PtrList< volScalarField > snapshots, PtrList< volScalarField > &modes, label splDeg=3)
	Constructs the parameters-coefficients manifold for scalar fields, based on the B-spline model.

Public Member Functions inherited from UnsteadyProblem
	UnsteadyProblem ()

void	setTimes (Time &timeObject)

bool	checkWrite (Time &timeObject)
	Function to check if the solution must be exported.

Public Attributes
PtrList< volScalarField >	nutFields
	List of snapshots for the solution for eddy viscosity.

PtrList< volScalarField >	liftfieldnut
	List of snapshots for the solution for eddy viscosity.

PtrList< volScalarField >	nutomFields
	List of snapshots to form the homogeneous eddy viscosity fields.

PtrList< volScalarField >	nuTmodes
	List of POD modes for eddy viscosity.

PtrList< volScalarField >	alphatfield
	Eddy diffusivity field.

scalar	Prt
	Scalar to store the turbulent Prandtl number.

scalar	Pr
	Scalar to store the Prandtl number.

label	Nphi_nut
	Number of nut field modes.

std::vector< SPLINTER::DataTable * >	SAMPLES
	Create a Rbf splines for interpolation.

std::vector< SPLINTER::RBFSpline * >	rbfsplines
	Create a SAMPLES for interpolation.

label	Nnutmodes
	Number of viscoisty modes used for the projection.

autoPtr< volScalarField >	_nut
	Eddy viscosity field.

autoPtr< volScalarField >	_nuTilda
	Eddy viscosity for the Spalart-Allmaras turbulence model.

autoPtr< dimensionedScalar >	_Prt
	Turbulent Prandtl number.

autoPtr< dimensionedScalar >	_Pr
	Prandtl number.

autoPtr< volScalarField >	_alphat
	Turbulent thermal diffusivity.

Reduced Matrices
Eigen::MatrixXd	BT_matrix
	Turbulent viscosity term.

List< Eigen::MatrixXd >	CT2_matrix
	Turbulent viscosity term.

List< Eigen::MatrixXd >	CT1_matrix
	Turbulent viscosity term.

List< Eigen::MatrixXd >	S_matrix
	Turbulent diffusivity term.

List< Eigen::MatrixXd >	C_total_matrix
	Total C Matrix.

Eigen::MatrixXd	B_total_matrix
	Total B Matrix.

Public Attributes inherited from unsteadyNST
scalar	startTime
	Start Time (initial time to start storing the snapshots)

scalar	finalTime
	Final time (final time of the simulation and consequently of the acquisition of the snapshots)

scalar	timeStep
	Time step of the simulation.

scalar	writeEvery = timeStep
	Time step of the writing procedure.

scalar	nextWrite
	Auxiliary variable to store the next writing instant.

bool	adjustTimeStep
	adjustTimeStep

scalar	maxCo
	maxCourant

scalar	maxDeltaT
	maxDeltaT

PtrList< volScalarField >	Tfield
	List of pointers used to form the temperature snapshots matrix.

autoPtr< volScalarField >	_T
	Temperature field.

autoPtr< volScalarField >	_T0
	Initial Temperature field (for restart purposes)

PtrList< volScalarField >	Tmodes
	List of pointers used to form the temperature modes.

autoPtr< dimensionedScalar >	_DT
	dimensionedScalar DT;

autoPtr< dimensionedScalar >	_nu
	dimensionedScalar nu;

PtrList< volScalarField >	liftfieldT
	List of pointers used to form the list of the temperature lifting functions.

PtrList< volScalarField >	Tomfield
	List of pointers used to form the homogeneous temperature snapshots.

PtrList< volVectorField >	UModesWeighted
	List of pointers used to form the Weighted nested-POD modes for velocity field.

PtrList< volScalarField >	PModesWeighted
	List of pointers used to form the Weighted nested-POD modes for pressure field.

PtrList< volScalarField >	TModesWeighted
	List of pointers used to form the Weighted nested-POD modes for temperature field.

PtrList< volScalarField >	NUTModesWeighted
	List of pointers used to form the Weighted nested-POD modes for nut-field.

PtrList< volScalarField >	L_T_modes
	List of pointers containing the lift for temperature and the temperature field.

autoPtr< pisoControl >	_piso
	pisoControl

label	pRefCell
	Reference pressure cell.

scalar	pRefValue
	Reference pressure value.

autoPtr< fvMesh >	_mesh
	Mesh.

label	NTmodes
	Number of temperature modes used for the projection.

Eigen::MatrixXd	Y_matrix
	Gradient of pressure matrix.

List< Eigen::MatrixXd >	Q_matrix
	Non linear term.

Eigen::MatrixXd	MT_matrix
	Mass Matrix T.

autoPtr< Time >	_runTime
	Time.

Public Attributes inherited from unsteadyNS
autoPtr< pimpleControl >	_pimple
	pimpleControl

autoPtr< incompressible::turbulenceModel >	turbulence
	Turbulence model.

bool	adjustTimeStep
	adjustTimeStep

scalar	maxCo
	maxCourant

scalar	maxDeltaT
	maxDeltaT

label	counter2 = 1

word	method

word	timedepbcMethod
	Time-dependent Boundary Method.

Eigen::MatrixXd	timeBCoff

word	timeDerivativeSchemeOrder

Public Attributes inherited from steadyNS
ITHACAparameters *	para

PtrList< volScalarField >	Pfield
	List of pointers used to form the pressure snapshots matrix.

PtrList< volVectorField >	Ufield
	List of pointers used to form the velocity snapshots matrix.

PtrList< volVectorField >	supfield
	List of pointers used to form the supremizer snapshots matrix.

PtrList< surfaceScalarField >	Phifield
	List of pointers used to form the flux snapshots matrix.

volScalarModes	Pmodes
	List of pointers used to form the pressure modes.

volVectorModes	Umodes
	List of pointers used to form the velocity modes.

volVectorModes	supmodes
	List of pointers used to form the supremizer modes.

surfaceScalarModes	Phimodes
	List of pointers used to form the flux modes.

PtrList< volVectorField >	liftfield
	List of pointers used to form the list of lifting functions.

PtrList< volVectorField >	Uomfield
	List of pointers used to form the homogeneous velocity snapshots.

volVectorModes	L_U_SUPmodes
	List of pointers containing the total number of lift, supremizer and velocity modes.

surfaceScalarModes	L_PHImodes
	List of pointers containing the total number of flux modes.

scalar	tolerance
	Tolerance for the residual of the stationary problems, there is the same tolerance for velocity and pressure.

scalar	maxIter
	Number of maximum iterations to be done for the computation of the truth solution.

label	NUmodesOut
	Number of velocity modes to be calculated.

label	NPmodesOut
	Number of pressure modes to be calculated.

label	NSUPmodesOut
	Number of supremizer modes to be calculated.

label	NNutModesOut
	Number of nut modes to be calculated.

label	NUmodes
	Number of velocity modes used for the projection.

label	NPmodes
	Number of pressure modes used for the projection.

label	NSUPmodes
	Number of supremizer modes used for the projection.

label	NNutModes
	Number of nut modes used for the projection.

Eigen::MatrixXd	tauMatrix
	Viscous forces.

Eigen::MatrixXd	nMatrix
	Pressure forces.

List< Eigen::MatrixXd >	bcVelVec
	Boundary term for penalty method - vector.

List< Eigen::MatrixXd >	bcVelMat
	Boundary term for penalty method - matrix.

Eigen::MatrixXd	BP_matrix
	Diffusion term for flux method PPE.

List< Eigen::MatrixXd >	RD_matrix
	Boundary term for diffusion term.

List< Eigen::MatrixXd >	RC_matrix
	Boundary vector for convection term.

List< Eigen::MatrixXd >	SD_matrix
	Boundary term for diffusion term - Consistent Flux Method.

List< Eigen::MatrixXd >	SC_matrix
	Boundary term for convection term - Consistent Flux Method.

Eigen::Tensor< double, 3 >	Cf_tensor
	Convection term for flux method.

Eigen::Tensor< double, 3 >	Ci_tensor
	Convection term - Consistent Flux Method.

List< Eigen::MatrixXd >	LinSysDiv
	Projection Peqn onto Pressure modes - Divergence term.

List< Eigen::MatrixXd >	LinSysDiff
	Projection Peqn onto Pressure modes - Diffusion term.

List< Eigen::MatrixXd >	LinSysConv
	Projection Peqn onto Pressure modes - Convection term.

bool	supex
	Boolean variable to check the existence of the supremizer modes.

autoPtr< volScalarField >	_p
	Pressure field.

autoPtr< volVectorField >	_U
	Velocity field.

autoPtr< volScalarField >	_p0
	Initial Pressure field (for restart purposes)

autoPtr< volVectorField >	_U0
	Initial Velocity field (for restart purposes)

autoPtr< volVectorField >	Uinl
	Initial dummy field with all Dirichlet boundary conditions.

autoPtr< dimensionedScalar >	dt_dummy
	Dummy time step including unit.

autoPtr< dimensionedScalar >	nu_dummy
	Dummy viscocity including unit.

autoPtr< fvMesh >	_mesh
	Mesh.

autoPtr< simpleControl >	_simple
	simpleControl

autoPtr< fv::options >	_fvOptions
	fvOptions

autoPtr< Time >	_runTime
	Time.

autoPtr< surfaceScalarField >	_phi
	Flux.

autoPtr< surfaceScalarField >	_phi0
	Initial Flux (for restart purposes)

autoPtr< incompressible::turbulenceModel >	turbulence
	Turbulence model.

autoPtr< singlePhaseTransportModel >	_laminarTransport
	Laminar transport (used by turbulence model)

autoPtr< IOMRFZoneList >	_MRF
	MRF variable.

label	pRefCell
	Reference pressure cell.

scalar	pRefValue
	Reference pressure value.

scalar	cumulativeContErr = 0
	continuity error

word	bcMethod
	Boundary Method.

word	fluxMethod
	Flux Method.

Eigen::MatrixXd	B_matrix
	Diffusion term.

Eigen::MatrixXd	M_matrix
	Mass Matrix.

Eigen::MatrixXd	K_matrix
	Gradient of pressure matrix.

List< Eigen::MatrixXd >	C_matrix
	Non linear term.

Eigen::Tensor< double, 3 >	C_tensor
	Diffusion term.

Eigen::MatrixXd	P_matrix
	Div of velocity.

Eigen::MatrixXd	D_matrix
	Laplacian term PPE.

List< Eigen::MatrixXd >	G_matrix
	Divergence of momentum PPE.

Eigen::Tensor< double, 3 >	gTensor
	Divergence of momentum PPE.

Eigen::MatrixXd	BC1_matrix
	PPE BC1.

List< Eigen::MatrixXd >	BC2_matrix
	PPE BC2.

Eigen::Tensor< double, 3 >	bc2Tensor
	PPE BC2.

Eigen::MatrixXd	BC3_matrix
	PPE BC3.

Eigen::MatrixXd	BC4_matrix
	PPE BC4.

Eigen::MatrixXd	W_matrix
	Mass Matrix New Time Step - Consistent Flux Method.

Eigen::MatrixXd	I_matrix
	Mass Matrix Old Time Step - Consistent Flux Method.

Eigen::MatrixXd	DF_matrix
	Diffusion Term - Consistent Flux Method.

Eigen::MatrixXd	KF_matrix
	Pressure Gradient Term - Consistent Flux Method.

Public Attributes inherited from reductionProblem
label	Pnumber
	Number of parameters.

label	Tnumber
	Dimension of the training set (used only when gerating parameters without input)

Eigen::MatrixXd	mu
	Row matrix of parameters.

Eigen::MatrixXd	mu_range
	Range of the parameter spaces.

Eigen::MatrixXd	mu_samples
	Matrix of parameters to be used for PODI, where each row corresponds to a sample point. In this matrix the time dimension is regarded as a parameter for unsteady problems.

double	mu_cur
	Current value of the parameter.

bool	podex
	Boolean variable, it is 1 if the POD has already been computed, else 0.

bool	offline
	Boolean variable, it is 1 if the Offline phase has already been computed, else 0.

IOdictionary *	ITHACAdict
	dictionary to store input output infos

autoPtr< argList >	_args
	argList

ITHACAparallel *	paral
	parallel handling

label	folderN = 1
	Counter to save intermediate steps in the correct folder, for unsteady and some stationary cases.

label	counter = 1
	Counter used for the output of the full order solutions.

Eigen::MatrixXi	inletIndex
	Matrix that contains informations about the inlet boundaries.

Eigen::MatrixXi	inletPatch
	Matrix that contains informations about the inlet boundaries without specifing the direction Rows = Number of parametrized boundary conditions Cols = 1 Example: example.inletIndex.resize(2, 1); example.inletIndex(0, 0) = 0; example.inletIndex(1, 0) = 1; Means that there are two parametrized boundary conditions of which the first row is of patch 0 and the second row of patch 1.

Eigen::MatrixXi	inletIndexT

Public Attributes inherited from UnsteadyProblem
scalar	startTime
	Start Time (initial time to start storing the snapshots)

scalar	finalTime
	Final time (final time of the simulation and consequently of the acquisition of the snapshots)

scalar	timeStep
	Time step of the simulation.

scalar	writeEvery = timeStep
	Time step of the writing procedure.

scalar	nextWrite
	Auxiliary variable to store the next writing instant.

Detailed Description

Implementation of a parametrized full order unsteady NST problem weakly coupled with the energy equation and preparation of the the reduced matrices for the online solve.

In this class are implemented the methods for the offline solve of a unsteady NSTTurb problem and the for the generation of the reduced matrices for subsequent online solve, this class is a son of the unsteadyNST class

Definition at line 74 of file UnsteadyNSTTurb.H.

Constructor & Destructor Documentation

◆ UnsteadyNSTTurb() [1/2]

UnsteadyNSTTurb::UnsteadyNSTTurb ( )

Construct Null.

Definition at line 42 of file UnsteadyNSTTurb.C.

◆ UnsteadyNSTTurb() [2/2]

UnsteadyNSTTurb::UnsteadyNSTTurb	(	int	argc,
		char *	argv[] )

Construct with argc and argv.

Definition at line 45 of file UnsteadyNSTTurb.C.

◆ ~UnsteadyNSTTurb()

UnsteadyNSTTurb::~UnsteadyNSTTurb ( )

inline

Definition at line 83 of file UnsteadyNSTTurb.H.

Member Function Documentation

◆ BTturbulence()

Eigen::MatrixXd UnsteadyNSTTurb::BTturbulence	(	label	NUmodes,
		label	NSUPmodes )

BT added matrix for the turbulence treatement.

Parameters

[in]	NUmodes	The N of velocity modes.s
[in]	NSUPmodes	The N of supremizer modes.

Returns: BT matrix for turbulence treatment

Definition at line 364 of file UnsteadyNSTTurb.C.

◆ checkWrite()

bool UnsteadyNSTTurb::checkWrite ( Time & timeObject )

Function to check if the solution must be exported.

Parameters

timeObject The time object of OpenFOAM.

Returns: 1 if we must write 0 elsewhere.

Definition at line 147 of file UnsteadyNSTTurb.C.

◆ liftSolveT()

void UnsteadyNSTTurb::liftSolveT ( )

Perform a lift solve for temperature field.

Definition at line 163 of file UnsteadyNSTTurb.C.

◆ projectSUP()

void UnsteadyNSTTurb::projectSUP	(	fileName	folder,
		label	NU,
		label	NP,
		label	NSUP,
		label	Nnut,
		label	NT )

Project using a supremizer approach.

Parameters

[in]	folder	The folder
[in]	NUmodes	The n umodes
[in]	NPmodes	The n pmodes
[in]	NSUPmodes	The nsu pmodes
[in]	Nnutmodes	The nnutmodes

Definition at line 472 of file UnsteadyNSTTurb.C.

◆ temperatureTurbulenceTerm()

List< Eigen::MatrixXd > UnsteadyNSTTurb::temperatureTurbulenceTerm	(	label	NTmodes,
		label	Nnutmodes )

S added matrix for the thermal turbulence treatement.

Parameters

[in]	NTmodes	The number of temperature modes.
[in]	Nnutmodes	The number of eddy viscosity modes.

Returns: S matrix for turbulence treatment

Definition at line 416 of file UnsteadyNSTTurb.C.

◆ truthSolve()

void UnsteadyNSTTurb::truthSolve ( List< scalar > mu_now )

Perform a truthsolve.

Parameters

[in] mu_now The actual value of the parameter for this truthSolve. Used only to construct mu_interp matrix which is written out in the Offline folder, also for par file in the Parameters folder.

Definition at line 67 of file UnsteadyNSTTurb.C.

◆ turbulenceTerm1()

List< Eigen::MatrixXd > UnsteadyNSTTurb::turbulenceTerm1	(	label	NUmodes,
		label	NSUPmodes,
		label	Nnutmodes )

CT1 added matrix for the turbulence treatement.

Parameters

[in]	NUmodes	The number of velocity modes.
[in]	NSUPmodes	The number of supremizer modes.
[in]	Nnutmodes	The number of eddy viscosity modes.

Returns: CT1 matrix for turbulence treatment

Definition at line 234 of file UnsteadyNSTTurb.C.

◆ turbulenceTerm2()

List< Eigen::MatrixXd > UnsteadyNSTTurb::turbulenceTerm2	(	label	NUmodes,
		label	NSUPmodes,
		label	Nnutmodes )

CT2 added matrix for the turbulence treatement.

Parameters

[in]	NUmodes	The number of velocity modes.
[in]	NSUPmodes	The number of supremizer modes.
[in]	Nnutmodes	The number of eddy viscosity modes.

Returns: CT2 matrix for turbulence treatment

Definition at line 299 of file UnsteadyNSTTurb.C.

Member Data Documentation

◆ _alphat

autoPtr<volScalarField> UnsteadyNSTTurb::_alphat

Turbulent thermal diffusivity.

Definition at line 159 of file UnsteadyNSTTurb.H.

◆ _nut

autoPtr<volScalarField> UnsteadyNSTTurb::_nut

Eddy viscosity field.

Definition at line 147 of file UnsteadyNSTTurb.H.

◆ _nuTilda

autoPtr<volScalarField> UnsteadyNSTTurb::_nuTilda

Eddy viscosity for the Spalart-Allmaras turbulence model.

Definition at line 150 of file UnsteadyNSTTurb.H.

◆ _Pr

autoPtr<dimensionedScalar> UnsteadyNSTTurb::_Pr

Prandtl number.

Definition at line 156 of file UnsteadyNSTTurb.H.

◆ _Prt

autoPtr<dimensionedScalar> UnsteadyNSTTurb::_Prt

Turbulent Prandtl number.

Definition at line 153 of file UnsteadyNSTTurb.H.

◆ alphatfield

PtrList<volScalarField> UnsteadyNSTTurb::alphatfield

Eddy diffusivity field.

Definition at line 102 of file UnsteadyNSTTurb.H.

◆ B_total_matrix

Eigen::MatrixXd UnsteadyNSTTurb::B_total_matrix

Total B Matrix.

Definition at line 143 of file UnsteadyNSTTurb.H.

◆ BT_matrix

Eigen::MatrixXd UnsteadyNSTTurb::BT_matrix

Turbulent viscosity term.

Definition at line 128 of file UnsteadyNSTTurb.H.

◆ C_total_matrix

List<Eigen::MatrixXd> UnsteadyNSTTurb::C_total_matrix

Total C Matrix.

Definition at line 140 of file UnsteadyNSTTurb.H.

◆ CT1_matrix

List<Eigen::MatrixXd> UnsteadyNSTTurb::CT1_matrix

Turbulent viscosity term.

Definition at line 134 of file UnsteadyNSTTurb.H.

◆ CT2_matrix

List<Eigen::MatrixXd> UnsteadyNSTTurb::CT2_matrix

Turbulent viscosity term.

Definition at line 131 of file UnsteadyNSTTurb.H.

◆ liftfieldnut

PtrList<volScalarField> UnsteadyNSTTurb::liftfieldnut

List of snapshots for the solution for eddy viscosity.

Definition at line 93 of file UnsteadyNSTTurb.H.

◆ Nnutmodes

label UnsteadyNSTTurb::Nnutmodes

Number of viscoisty modes used for the projection.

Definition at line 120 of file UnsteadyNSTTurb.H.

◆ Nphi_nut

label UnsteadyNSTTurb::Nphi_nut

Number of nut field modes.

Definition at line 111 of file UnsteadyNSTTurb.H.

◆ nutFields

PtrList<volScalarField> UnsteadyNSTTurb::nutFields

List of snapshots for the solution for eddy viscosity.

Definition at line 90 of file UnsteadyNSTTurb.H.

◆ nuTmodes

PtrList<volScalarField> UnsteadyNSTTurb::nuTmodes

List of POD modes for eddy viscosity.

Definition at line 99 of file UnsteadyNSTTurb.H.

◆ nutomFields

PtrList<volScalarField> UnsteadyNSTTurb::nutomFields

List of snapshots to form the homogeneous eddy viscosity fields.

Definition at line 96 of file UnsteadyNSTTurb.H.

◆ Pr

scalar UnsteadyNSTTurb::Pr

Scalar to store the Prandtl number.

Definition at line 108 of file UnsteadyNSTTurb.H.

◆ Prt

scalar UnsteadyNSTTurb::Prt

Scalar to store the turbulent Prandtl number.

Definition at line 105 of file UnsteadyNSTTurb.H.

◆ rbfsplines

std::vector<SPLINTER::RBFSpline*> UnsteadyNSTTurb::rbfsplines

Create a SAMPLES for interpolation.

Definition at line 117 of file UnsteadyNSTTurb.H.

◆ S_matrix

List<Eigen::MatrixXd> UnsteadyNSTTurb::S_matrix

Turbulent diffusivity term.

Definition at line 137 of file UnsteadyNSTTurb.H.

◆ SAMPLES

std::vector<SPLINTER::DataTable*> UnsteadyNSTTurb::SAMPLES

Create a Rbf splines for interpolation.

Definition at line 114 of file UnsteadyNSTTurb.H.

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

/github/workspace/src/ITHACA_FOMPROBLEMS/UnsteadyNSTTurb/UnsteadyNSTTurb.H
/github/workspace/src/ITHACA_FOMPROBLEMS/UnsteadyNSTTurb/UnsteadyNSTTurb.C

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ UnsteadyNSTTurb() [1/2]

◆ UnsteadyNSTTurb() [2/2]

◆ ~UnsteadyNSTTurb()

Member Function Documentation

◆ BTturbulence()

◆ checkWrite()

◆ liftSolveT()

◆ projectSUP()

◆ temperatureTurbulenceTerm()

◆ truthSolve()

◆ turbulenceTerm1()

◆ turbulenceTerm2()

Member Data Documentation

◆ _alphat

◆ _nut

◆ _nuTilda

◆ _Pr

◆ _Prt

◆ alphatfield

◆ B_total_matrix

◆ BT_matrix

◆ C_total_matrix

◆ CT1_matrix

◆ CT2_matrix

◆ liftfieldnut

◆ Nnutmodes

◆ Nphi_nut

◆ nutFields

◆ nuTmodes

◆ nutomFields

◆ Pr

◆ Prt

◆ rbfsplines

◆ S_matrix

◆ SAMPLES