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Class where it is implemented a reduced problem for the steady turbulent Navier-stokes problem. More...
#include <ReducedSteadyNSTurbIntrusive.H>
Public Member Functions | |
| ReducedSteadyNSTurbIntrusive () | |
| Construct Null. | |
| ReducedSteadyNSTurbIntrusive (SteadyNSTurbIntrusive &problem) | |
| Construct Null. | |
| void | solveOnline (Eigen::MatrixXd velNow) |
| Method to perform an online solve using a supremizer stabilisation method. | |
| void | reconstruct (fileName folder="./ITHACAOutput/online_rec", int printEvery=1) |
| Method to reconstruct the solutions from an online solve with a supremizer stabilisation technique. | |
| Eigen::MatrixXd | setOnlineVelocity (Eigen::MatrixXd vel) |
| Sets the online velocity. | |
| void | reconstructLiftAndDrag (SteadyNSTurbIntrusive &problem, fileName folder) |
| Method to compute the reduced order forces for same number of modes of velocity and pressure. | |
| Public Member Functions inherited from reducedSteadyNS | |
| reducedSteadyNS () | |
| Construct Null. | |
| reducedSteadyNS (steadyNS &problem) | |
| Construct Null. | |
| void | solveOnline_PPE (Eigen::MatrixXd vel_now) |
| Method to perform an online solve using a PPE stabilisation method. | |
| void | solveOnline_sup (Eigen::MatrixXd vel_now) |
| Method to perform an online solve using a supremizer stabilisation method. | |
| void | reconstruct_PPE (fileName folder="./ITHACAoutput/online_rec", int printevery=1) |
| Method to reconstruct a solution from an online solve with a PPE stabilisation technique. | |
| void | reconstruct (bool exportFields=false, fileName folder="./ITHACAoutput/online_rec", int printevery=1) |
| Method to reconstruct the solutions from an online solve. | |
| void | reconstructLiftAndDrag (steadyNS &problem, fileName folder) |
| Method to compute the reduced order forces. | |
| double | inf_sup_constant () |
| Method to evaluate the online inf-sup constant. | |
| Eigen::MatrixXd | setOnlineVelocity (Eigen::MatrixXd vel) |
| Sets the online velocity. | |
| Public Member Functions inherited from reducedProblem | |
| reducedProblem () | |
| Construct Null. | |
| reducedProblem (reductionProblem &problem) | |
| Construct with reduced Problem. | |
| virtual void | solveOnline () |
| Virtual Method to perform and online Solve. | |
Public Attributes | |
| PtrList< volScalarField > | nutFields |
| List of snapshots for the solution for eddy viscosity. | |
| PtrList< volScalarField > | nutModes |
| List of POD modes for eddy viscosity. | |
| PtrList< volScalarField > | nutRec |
| Reconstructed eddy viscosity field. | |
| int | nphiNut |
| Number of viscosity modes. | |
| newtonSteadyNSTurbIntrusive | newtonObject |
| Newton Object to solve the nonlinear problem. | |
| SteadyNSTurbIntrusive * | problem |
| Pointer to the FOM problem. | |
| Public Attributes inherited from reducedSteadyNS | |
| ITHACAparameters * | para |
| parameters to be read from the ITHACAdict file | |
| Eigen::MatrixXd | vel_now |
| Online inlet velocity vector. | |
| Eigen::MatrixXd | fTau |
| Reduced matrix for tangent forces. | |
| Eigen::MatrixXd | fN |
| Reduced matrix for normal forces. | |
| Eigen::VectorXd | y_old |
| Vector to store the previous solution during the Newton procedure. | |
| Eigen::VectorXd | y |
| Vector to store the solution during the Newton procedure. | |
| scalar | nu |
| Reduced viscosity in case of parametrized viscosity. | |
| List< Eigen::MatrixXd > | online_solution |
| List of Eigen matrices to store the online solution. | |
| PtrList< volVectorField > | Umodes |
| List of pointers to store the modes for velocity. | |
| PtrList< volScalarField > | Pmodes |
| List of pointers to store the modes for pressure. | |
| PtrList< volVectorField > | Usnapshots |
| List of pointers to store the snapshots for velocity. | |
| PtrList< volScalarField > | Psnapshots |
| List of pointers to store the snapshots for pressure. | |
| PtrList< volScalarField > | PREC |
| Reconstructed pressure field. | |
| PtrList< volVectorField > | UREC |
| Recontructed velocity field. | |
| PtrList< volScalarField > | pRecFields |
| Reconstructed pressure fields list. | |
| PtrList< volVectorField > | uRecFields |
| Recontructed velocity fields list. | |
| newton_steadyNS | newton_object |
| Newton object used to solve the non linear problem. | |
| steadyNS * | problem |
| Pointer to the FOM problem. | |
| int | Nphi_u |
| Number of velocity modes. | |
| int | Nphi_p |
| Number of pressure modes. | |
| int | Nphi_sup |
| Number of supremizer modes. | |
| int | N_BC |
| Number of parametrized boundary conditions. | |
| int | count_online_solve = 1 |
| Counter to count the online solutions. | |
| Eigen::MatrixXd | tauU |
| Penalty Factor. | |
| Public Attributes inherited from reducedProblem | |
| scalar | nu |
| Viscosity. | |
| reductionProblem * | problem |
| Pointer to FOAM problem. | |
Additional Inherited Members | |
| Static Public Member Functions inherited from reducedProblem | |
| static Eigen::MatrixXd | solveLinearSys (List< Eigen::MatrixXd > LinSys, Eigen::MatrixXd x, Eigen::VectorXd &residual, const Eigen::MatrixXd &bc=Eigen::MatrixXd::Zero(0, 0), const std::string solverType="fullPivLu") |
| Linear system solver for the online problem. | |
| static Eigen::MatrixXd | solveLinearSys (List< Eigen::MatrixXd > LinSys, Eigen::MatrixXd x, Eigen::VectorXd &residual, const std::string solverType) |
| Linear system solver for the online problem. | |
Class where it is implemented a reduced problem for the steady turbulent Navier-stokes problem.
In this class are implemented the methods to solve a reduced version of the stationary turbulent Navier-stokes equations. This class must be used together with the steadyNS class
Definition at line 83 of file ReducedSteadyNSTurbIntrusive.H.
| ReducedSteadyNSTurbIntrusive::ReducedSteadyNSTurbIntrusive | ( | ) |
Construct Null.
Definition at line 36 of file ReducedSteadyNSTurbIntrusive.C.
| ReducedSteadyNSTurbIntrusive::ReducedSteadyNSTurbIntrusive | ( | SteadyNSTurbIntrusive & | problem | ) |
Construct Null.
| problem | a full order SteadyNSTurb problem |
Definition at line 40 of file ReducedSteadyNSTurbIntrusive.C.
|
inline |
Definition at line 97 of file ReducedSteadyNSTurbIntrusive.H.
| void ReducedSteadyNSTurbIntrusive::reconstruct | ( | fileName | folder = "./ITHACAOutput/online_rec", |
| int | printEvery = 1 ) |
Method to reconstruct the solutions from an online solve with a supremizer stabilisation technique.
stabilisation method
| [in] | folder | The folder where to output the solutions |
| [in] | printEvery | The printEvery |
Definition at line 174 of file ReducedSteadyNSTurbIntrusive.C.
| void ReducedSteadyNSTurbIntrusive::reconstructLiftAndDrag | ( | SteadyNSTurbIntrusive & | problem, |
| fileName | folder ) |
Method to compute the reduced order forces for same number of modes of velocity and pressure.
| problem | A SteadyNSTurbIntrusive full order problem. | |
| [in] | folder | The folder where to output the forces matrices |
Definition at line 230 of file ReducedSteadyNSTurbIntrusive.C.
| Eigen::MatrixXd ReducedSteadyNSTurbIntrusive::setOnlineVelocity | ( | Eigen::MatrixXd | vel | ) |
Sets the online velocity.
| [in] | vel | The velocity |
Definition at line 209 of file ReducedSteadyNSTurbIntrusive.C.
| void ReducedSteadyNSTurbIntrusive::solveOnline | ( | Eigen::MatrixXd | velNow | ) |
Method to perform an online solve using a supremizer stabilisation method.
| [in] | velNow | The vector of online velocity. It is defined in with an Eigen::MatrixXd and must have one col and as many rows as the number of parametrized boundary conditions. |
| [in] | startSnap | The first snapshot taken from the offline snahpshots and used to get the reduced initial condition. |
Definition at line 116 of file ReducedSteadyNSTurbIntrusive.C.
| newtonSteadyNSTurbIntrusive ReducedSteadyNSTurbIntrusive::newtonObject |
Newton Object to solve the nonlinear problem.
Definition at line 113 of file ReducedSteadyNSTurbIntrusive.H.
| int ReducedSteadyNSTurbIntrusive::nphiNut |
Number of viscosity modes.
Definition at line 110 of file ReducedSteadyNSTurbIntrusive.H.
| PtrList<volScalarField> ReducedSteadyNSTurbIntrusive::nutFields |
List of snapshots for the solution for eddy viscosity.
Definition at line 101 of file ReducedSteadyNSTurbIntrusive.H.
| PtrList<volScalarField> ReducedSteadyNSTurbIntrusive::nutModes |
List of POD modes for eddy viscosity.
Definition at line 104 of file ReducedSteadyNSTurbIntrusive.H.
| PtrList<volScalarField> ReducedSteadyNSTurbIntrusive::nutRec |
Reconstructed eddy viscosity field.
Definition at line 107 of file ReducedSteadyNSTurbIntrusive.H.
| SteadyNSTurbIntrusive* ReducedSteadyNSTurbIntrusive::problem |
Pointer to the FOM problem.
Definition at line 116 of file ReducedSteadyNSTurbIntrusive.H.
1.16.1