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IBAMR
IBAMR version 0.19.
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Class StaggeredStokesProjectionPreconditioner is a concrete StokesSolver that implements a staggered grid (MAC) projection solver for the incompressible Stokes operator. More...
#include <ibamr/StaggeredStokesProjectionPreconditioner.h>

Public Member Functions | |
| StaggeredStokesProjectionPreconditioner (const std::string &object_name, SAMRAI::tbox::Pointer< SAMRAI::tbox::Database > input_db, const std::string &default_options_prefix) | |
| Class constructor. More... | |
| ~StaggeredStokesProjectionPreconditioner () | |
| Destructor. More... | |
| virtual bool | needsVelocitySubdomainSolver () const |
| Indicate whether the preconditioner needs a velocity subdomain solver. More... | |
| virtual void | setVelocitySubdomainSolver (SAMRAI::tbox::Pointer< IBTK::PoissonSolver > velocity_solver) |
| Provide a velocity subdomain solver. More... | |
| void | setVelocityPoissonSpecifications (const SAMRAI::solv::PoissonSpecifications &U_problem_coefs) override |
| Set the PoissonSpecifications object used to specify the coefficients for the momentum equation in the incompressible Stokes operator. More... | |
| virtual bool | needsPressureSubdomainSolver () const |
| Indicate whether the preconditioner needs a pressure subdomain solver. More... | |
| virtual void | setPressureSubdomainSolver (SAMRAI::tbox::Pointer< IBTK::PoissonSolver > pressure_solver) |
| Provide a pressure subdomain solver. More... | |
| virtual void | setPressurePoissonSpecifications (const SAMRAI::solv::PoissonSpecifications &P_problem_coefs) |
| Set the PoissonSpecifications object used to specify the coefficients for the pressure-Poisson problem. More... | |
| virtual void | setPhysicalBcCoefs (const std::vector< SAMRAI::solv::RobinBcCoefStrategy< NDIM > * > &U_bc_coefs, SAMRAI::solv::RobinBcCoefStrategy< NDIM > *P_bc_coef) override |
| Set the SAMRAI::solv::RobinBcCoefStrategy objects used to specify physical boundary conditions. More... | |
| virtual void | setComponentsHaveNullSpace (const bool has_velocity_nullspace, const bool has_pressure_nullspace) |
| Set if velocity and pressure have nullspace. More... | |
| virtual void | setPhysicalBoundaryHelper (SAMRAI::tbox::Pointer< StaggeredStokesPhysicalBoundaryHelper > bc_helper) |
| Set the StokesSpecifications object and timestep size used to specify the coefficients for the time-dependent incompressible Stokes operator. More... | |
Linear solver functionality. | |
| bool | solveSystem (SAMRAI::solv::SAMRAIVectorReal< NDIM, double > &x, SAMRAI::solv::SAMRAIVectorReal< NDIM, double > &b) override |
| Compute the action of the preconditioner. More... | |
| void | initializeSolverState (const SAMRAI::solv::SAMRAIVectorReal< NDIM, double > &x, const SAMRAI::solv::SAMRAIVectorReal< NDIM, double > &b) override |
| Compute hierarchy dependent data required for solving \(Ax=b\). More... | |
| void | deallocateSolverState () override |
| Remove all hierarchy dependent data allocated by initializeSolverState(). More... | |
Static Public Member Functions | |
| static SAMRAI::tbox::Pointer< StaggeredStokesSolver > | allocate_solver (const std::string &object_name, SAMRAI::tbox::Pointer< SAMRAI::tbox::Database > input_db, const std::string &default_options_prefix) |
| Static function to construct a StaggeredStokesProjectionPreconditioner. More... | |
Protected Member Functions | |
| void | correctNullSpace (SAMRAI::tbox::Pointer< SAMRAI::solv::SAMRAIVectorReal< NDIM, double > > U_vec, SAMRAI::tbox::Pointer< SAMRAI::solv::SAMRAIVectorReal< NDIM, double > > P_vec) |
| Remove components in operator null space. More... | |
Logging functions. | |
| virtual void | setLoggingEnabled (bool enable_logging=true) |
| Enable or disable logging. More... | |
| virtual bool | getLoggingEnabled () const |
| Determine whether logging is enabled or disabled. More... | |
| std::string | d_object_name = "unitialized" |
| bool | d_is_initialized = false |
| bool | d_homogeneous_bc = false |
| double | d_solution_time = std::numeric_limits<double>::quiet_NaN() |
| double | d_current_time = std::numeric_limits<double>::quiet_NaN() |
| double | d_new_time = std::numeric_limits<double>::quiet_NaN() |
| double | d_rel_residual_tol = 0.0 |
| double | d_abs_residual_tol = 0.0 |
| int | d_max_iterations = 100 |
| int | d_current_iterations = 0 |
| double | d_current_residual_norm = std::numeric_limits<double>::quiet_NaN() |
| bool | d_hier_math_ops_external = false |
| bool | d_enable_logging = false |
| void | init (const std::string &object_name, bool homogeneous_bc) |
| virtual void | initSpecialized (const std::string &object_name, bool homogeneous_bc) |
Logging functions. | |
| virtual void | printClassData (std::ostream &stream) override |
| Print class data to stream. More... | |
| bool | d_initial_guess_nonzero = true |
| bool | d_nullspace_contains_constant_vec = false |
| std::vector< SAMRAI::tbox::Pointer< SAMRAI::solv::SAMRAIVectorReal< NDIM, double > > > | d_nullspace_basis_vecs |
Sample parameters for initialization from database (and their default values):
skip_velocity_solve = FALSE // set whether to skip the velocity solve; this is equivalent
// to treating viscosity explicitly in the preconditioner
| IBAMR::StaggeredStokesProjectionPreconditioner::StaggeredStokesProjectionPreconditioner | ( | const std::string & | object_name, |
| SAMRAI::tbox::Pointer< SAMRAI::tbox::Database > | input_db, | ||
| const std::string & | default_options_prefix | ||
| ) |
| IBAMR::StaggeredStokesProjectionPreconditioner::~StaggeredStokesProjectionPreconditioner | ( | ) |
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| from | The value to copy to this object. |
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Implements IBTK::GeneralSolver.
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| x | solution vector |
| b | right-hand-side vector |
Conditions on Parameters:
Reimplemented from IBAMR::StaggeredStokesBlockPreconditioner.
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Reimplemented from IBAMR::StaggeredStokesBlockPreconditioner.
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Reimplemented from IBTK::LinearSolver.
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Reimplemented from IBTK::GeneralSolver.
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| that | The value to assign to this object. |
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Reimplemented from IBAMR::StaggeredStokesSolver.
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| U_bc_coefs | vector of pointers to objects that can set the Robin boundary condition coefficients for the velocity |
| P_bc_coef | Pointer to object that can set the Robin boundary condition coefficients for the pressure |
Reimplemented from IBAMR::StaggeredStokesSolver.
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Implementations can require the nullspace basis vectors to be orthogonal but should not assume the basis vectors to be orthonormal. If the basis vectors are not orthonormal, the solver may normalize them in place.
Reimplemented in IBTK::PETScKrylovLinearSolver, and IBTK::PETScLevelSolver.
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Reimplemented in IBTK::PETScPCLSWrapper.
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Reimplemented from IBTK::GeneralSolver.
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Reimplemented in IBTK::FACPreconditioner, IBTK::NewtonKrylovSolver, and IBTK::KrylovLinearSolver.
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Reimplemented in IBAMR::CIBStaggeredStokesSolver, IBTK::FACPreconditioner, IBTK::NewtonKrylovSolver, and IBTK::KrylovLinearSolver.
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Reimplemented in IBAMR::CIBStaggeredStokesSolver, IBTK::FACPreconditioner, IBTK::NewtonKrylovSolver, and IBTK::KrylovLinearSolver.
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Reimplemented in IBTK::NewtonKrylovSolver, and IBTK::KrylovLinearSolver.
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Reimplemented in IBTK::PETScPCLSWrapper.
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Reimplemented in IBTK::PETScPCLSWrapper.
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Reimplemented in IBTK::PETScPCLSWrapper.
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Reimplemented in IBTK::PETScPCLSWrapper.
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Reimplemented in IBTK::PETScPCLSWrapper.
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Reimplemented in IBTK::BGaussSeidelPreconditioner, IBTK::PETScPCLSWrapper, and IBTK::BJacobiPreconditioner.
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Reimplemented in IBTK::BGaussSeidelPreconditioner, IBTK::PETScPCLSWrapper, and IBTK::BJacobiPreconditioner.
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Reimplemented in IBTK::PoissonSolver.
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1.8.17