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P4 preconditioner from Biros & Ghattas 2005. More...
#include <kkt_birosghattas_preconditioners.hpp>
| Public Member Functions | |
| KKT_P4_Preconditioner (const ROL::Ptr< ROL::Objective< Real >> objective, const ROL::Ptr< ROL::Constraint< Real >> equal_constraints, const ROL::Ptr< const ROL::Vector< Real >> design_variables, const ROL::Ptr< const ROL::Vector< Real >> lagrange_mult, const ROL::Ptr< ROL::Secant< Real > > secant, const bool use_approximate_preconditioner=false) | |
| < Parallel std::cout that only outputs on mpi_rank==0  More... | |
| void | vmult (dealiiSolverVectorWrappingROL< Real > &dst, const dealiiSolverVectorWrappingROL< Real > &src) const override | 
| Application of KKT preconditionner on vector src outputted into dst. | |
|  Public Member Functions inherited from BirosGhattasPreconditioner< Real > | |
| BirosGhattasPreconditioner (const ROL::Ptr< ROL::Objective< Real >> objective, const ROL::Ptr< ROL::Constraint< Real >> equal_constraints, const ROL::Ptr< const ROL::Vector< Real >> design_variables, const ROL::Ptr< const ROL::Vector< Real >> lagrange_mult, const ROL::Ptr< ROL::Secant< Real > > secant, const bool use_approximate_preconditioner=false) | |
| Constructor. | |
| virtual void | Tvmult (dealiiSolverVectorWrappingROL< Real > &dst, const dealiiSolverVectorWrappingROL< Real > &src) const | 
| Application of transposed KKT preconditioner on vector src outputted into dst.  More... | |
| Additional Inherited Members | |
|  Protected Attributes inherited from BirosGhattasPreconditioner< Real > | |
| const ROL::Ptr< ROL::Objective_SimOpt< Real > > | objective_ | 
| Objective function. | |
| const ROL::Ptr< PHiLiP::FlowConstraints< PHILIP_DIM > > | equal_constraints_ | 
| Equality constraints. | |
| const ROL::Ptr< const ROL::Vector_SimOpt< Real > > | design_variables_ | 
| Design variables. | |
| const ROL::Ptr< const ROL::Vector< Real > > | lagrange_mult_ | 
| Lagrange multipliers. | |
| const ROL::Ptr< const ROL::Vector< Real > > | simulation_variables_ | 
| Simulation design variables. | |
| const ROL::Ptr< const ROL::Vector< Real > > | control_variables_ | 
| Control design variables. | |
| const ROL::Ptr< ROL::Secant< Real > > | secant_ | 
| Secant method used to precondition the reduced Hessian. | |
| const bool | use_approximate_preconditioner_ | 
| const unsigned int | mpi_rank | 
| MPI rank used to reset the deallog depth. | |
| dealii::ConditionalOStream | pcout | 
| Parallel std::cout that only outputs on mpi_rank==0. | |
P4 preconditioner from Biros & Ghattas 2005.
Second order terms of the Lagrangian Hessian are ignored and exact inverses of the Jacobian (transpose) are used.
Definition at line 221 of file kkt_birosghattas_preconditioners.hpp.
| 
 | inline | 
< Parallel std::cout that only outputs on mpi_rank==0
Constructor.
Definition at line 253 of file kkt_birosghattas_preconditioners.hpp.