SegregatedFSIDrivenCavityProblem< ELEMENT > Class Template Reference
+ Inheritance diagram for SegregatedFSIDrivenCavityProblem< ELEMENT >:

Public Member Functions

 SegregatedFSIDrivenCavityProblem (const unsigned &nx, const unsigned &ny, const double &lx, const double &ly, const double &gap_fraction, const double &period)
 Constructor for the collapsible channel problem. More...
 
 ~SegregatedFSIDrivenCavityProblem ()
 Destructor (empty) More...
 
void identify_fluid_and_solid_dofs (Vector< Data * > &fluid_data_pt, Vector< Data * > &solid_data_pt, Mesh *&fluid_mesh_pt, Mesh *&solid_mesh_pt)
 
void write_zone_info_for_convergence_history (ofstream &convergence_file)
 
void actions_after_newton_solve ()
 empty final overload More...
 
void actions_before_newton_solve ()
 
void actions_before_newton_step ()
 
void actions_before_newton_convergence_check ()
 
- Public Member Functions inherited from FSIDrivenCavityProblem< ELEMENT >
 FSIDrivenCavityProblem (const unsigned &nx, const unsigned &ny, const double &lx, const double &ly, const double &gap_fraction, const double &period)
 Constructor for the collapsible channel problem. More...
 
 ~FSIDrivenCavityProblem ()
 Destructor. More...
 
AlgebraicFSIDrivenCavityMesh< ELEMENT > * bulk_mesh_pt ()
 Access function for the specific bulk (fluid) mesh. More...
 
OneDLagrangianMesh< FSIHermiteBeamElement > * wall_mesh_pt ()
 Access function for the wall mesh. More...
 
void actions_before_implicit_timestep ()
 Update the velocity boundary condition on the moving lid. More...
 
void doc_solution (DocInfo &doc_info, ofstream &trace_file)
 Doc the solution. More...
 
void set_initial_condition ()
 Apply initial conditions. More...
 
- Public Member Functions inherited from oomph::Problem
virtual void debug_hook_fct (const unsigned &i)
 
void set_analytic_dparameter (double *const &parameter_pt)
 
void unset_analytic_dparameter (double *const &parameter_pt)
 
bool is_dparameter_calculated_analytically (double *const &parameter_pt)
 
void set_analytic_hessian_products ()
 
void unset_analytic_hessian_products ()
 
bool are_hessian_products_calculated_analytically ()
 
void set_pinned_values_to_zero ()
 
bool distributed () const
 
virtual void actions_before_adapt ()
 
virtual void actions_after_adapt ()
 Actions that are to be performed after a mesh adaptation. More...
 
OomphCommunicatorcommunicator_pt ()
 access function to the oomph-lib communicator More...
 
const OomphCommunicatorcommunicator_pt () const
 access function to the oomph-lib communicator, const version More...
 
 Problem ()
 
 Problem (const Problem &dummy)=delete
 Broken copy constructor. More...
 
void operator= (const Problem &)=delete
 Broken assignment operator. More...
 
virtual ~Problem ()
 Virtual destructor to clean up memory. More...
 
Mesh *& mesh_pt ()
 Return a pointer to the global mesh. More...
 
Mesh *const & mesh_pt () const
 Return a pointer to the global mesh (const version) More...
 
Mesh *& mesh_pt (const unsigned &imesh)
 
Mesh *const & mesh_pt (const unsigned &imesh) const
 Return a pointer to the i-th submesh (const version) More...
 
unsigned nsub_mesh () const
 Return number of submeshes. More...
 
unsigned add_sub_mesh (Mesh *const &mesh_pt)
 
void flush_sub_meshes ()
 
void build_global_mesh ()
 
void rebuild_global_mesh ()
 
LinearSolver *& linear_solver_pt ()
 Return a pointer to the linear solver object. More...
 
LinearSolver *const & linear_solver_pt () const
 Return a pointer to the linear solver object (const version) More...
 
LinearSolver *& mass_matrix_solver_for_explicit_timestepper_pt ()
 
LinearSolvermass_matrix_solver_for_explicit_timestepper_pt () const
 
EigenSolver *& eigen_solver_pt ()
 Return a pointer to the eigen solver object. More...
 
EigenSolver *const & eigen_solver_pt () const
 Return a pointer to the eigen solver object (const version) More...
 
Time *& time_pt ()
 Return a pointer to the global time object. More...
 
Timetime_pt () const
 Return a pointer to the global time object (const version). More...
 
doubletime ()
 Return the current value of continuous time. More...
 
double time () const
 Return the current value of continuous time (const version) More...
 
TimeStepper *& time_stepper_pt ()
 
const TimeSteppertime_stepper_pt () const
 
TimeStepper *& time_stepper_pt (const unsigned &i)
 Return a pointer to the i-th timestepper. More...
 
ExplicitTimeStepper *& explicit_time_stepper_pt ()
 Return a pointer to the explicit timestepper. More...
 
unsigned long set_timestepper_for_all_data (TimeStepper *const &time_stepper_pt, const bool &preserve_existing_data=false)
 
virtual void shift_time_values ()
 Shift all values along to prepare for next timestep. More...
 
AssemblyHandler *& assembly_handler_pt ()
 Return a pointer to the assembly handler object. More...
 
AssemblyHandler *const & assembly_handler_pt () const
 Return a pointer to the assembly handler object (const version) More...
 
doubleminimum_dt ()
 Access function to min timestep in adaptive timestepping. More...
 
doublemaximum_dt ()
 Access function to max timestep in adaptive timestepping. More...
 
unsignedmax_newton_iterations ()
 Access function to max Newton iterations before giving up. More...
 
void problem_is_nonlinear (const bool &prob_lin)
 Access function to Problem_is_nonlinear. More...
 
doublemax_residuals ()
 
booltime_adaptive_newton_crash_on_solve_fail ()
 Access function for Time_adaptive_newton_crash_on_solve_fail. More...
 
doublenewton_solver_tolerance ()
 
void add_time_stepper_pt (TimeStepper *const &time_stepper_pt)
 
void set_explicit_time_stepper_pt (ExplicitTimeStepper *const &explicit_time_stepper_pt)
 
void initialise_dt (const double &dt)
 
void initialise_dt (const Vector< double > &dt)
 
Data *& global_data_pt (const unsigned &i)
 Return a pointer to the the i-th global data object. More...
 
void add_global_data (Data *const &global_data_pt)
 
void flush_global_data ()
 
LinearAlgebraDistribution *const & dof_distribution_pt () const
 Return the pointer to the dof distribution (read-only) More...
 
unsigned long ndof () const
 Return the number of dofs. More...
 
unsigned ntime_stepper () const
 Return the number of time steppers. More...
 
unsigned nglobal_data () const
 Return the number of global data values. More...
 
unsigned self_test ()
 Self-test: Check meshes and global data. Return 0 for OK. More...
 
void enable_store_local_dof_pt_in_elements ()
 
void disable_store_local_dof_pt_in_elements ()
 
unsigned long assign_eqn_numbers (const bool &assign_local_eqn_numbers=true)
 
void describe_dofs (std::ostream &out= *(oomph_info.stream_pt())) const
 
void enable_discontinuous_formulation ()
 
void disable_discontinuous_formulation ()
 
void get_dofs (DoubleVector &dofs) const
 
void get_dofs (const unsigned &t, DoubleVector &dofs) const
 Return vector of the t'th history value of all dofs. More...
 
void set_dofs (const DoubleVector &dofs)
 Set the values of the dofs. More...
 
void set_dofs (const unsigned &t, DoubleVector &dofs)
 Set the history values of the dofs. More...
 
void set_dofs (const unsigned &t, Vector< double * > &dof_pt)
 
void add_to_dofs (const double &lambda, const DoubleVector &increment_dofs)
 Add lambda x incremenet_dofs[l] to the l-th dof. More...
 
doubleglobal_dof_pt (const unsigned &i)
 
doubledof (const unsigned &i)
 i-th dof in the problem More...
 
double dof (const unsigned &i) const
 i-th dof in the problem (const version) More...
 
double *& dof_pt (const unsigned &i)
 Pointer to i-th dof in the problem. More...
 
doubledof_pt (const unsigned &i) const
 Pointer to i-th dof in the problem (const version) More...
 
virtual void get_inverse_mass_matrix_times_residuals (DoubleVector &Mres)
 
virtual void get_dvaluesdt (DoubleVector &f)
 
virtual void get_residuals (DoubleVector &residuals)
 Get the total residuals Vector for the problem. More...
 
virtual void get_jacobian (DoubleVector &residuals, DenseDoubleMatrix &jacobian)
 
virtual void get_jacobian (DoubleVector &residuals, CRDoubleMatrix &jacobian)
 
virtual void get_jacobian (DoubleVector &residuals, CCDoubleMatrix &jacobian)
 
virtual void get_jacobian (DoubleVector &residuals, SumOfMatrices &jacobian)
 
void get_fd_jacobian (DoubleVector &residuals, DenseMatrix< double > &jacobian)
 Get the full Jacobian by finite differencing. More...
 
void get_derivative_wrt_global_parameter (double *const &parameter_pt, DoubleVector &result)
 
void get_hessian_vector_products (DoubleVectorWithHaloEntries const &Y, Vector< DoubleVectorWithHaloEntries > const &C, Vector< DoubleVectorWithHaloEntries > &product)
 
void solve_eigenproblem (const unsigned &n_eval, Vector< std::complex< double >> &eigenvalue, Vector< DoubleVector > &eigenvector, const bool &steady=true)
 Solve the eigenproblem. More...
 
void solve_eigenproblem (const unsigned &n_eval, Vector< std::complex< double >> &eigenvalue, const bool &steady=true)
 
virtual void get_eigenproblem_matrices (CRDoubleMatrix &mass_matrix, CRDoubleMatrix &main_matrix, const double &shift=0.0)
 
void assign_eigenvector_to_dofs (DoubleVector &eigenvector)
 Assign the eigenvector passed to the function to the dofs. More...
 
void add_eigenvector_to_dofs (const double &epsilon, const DoubleVector &eigenvector)
 
void store_current_dof_values ()
 Store the current values of the degrees of freedom. More...
 
void restore_dof_values ()
 Restore the stored values of the degrees of freedom. More...
 
void enable_jacobian_reuse ()
 
void disable_jacobian_reuse ()
 Disable recycling of Jacobian in Newton iteration. More...
 
bool jacobian_reuse_is_enabled ()
 Is recycling of Jacobian in Newton iteration enabled? More...
 
booluse_predictor_values_as_initial_guess ()
 
void newton_solve ()
 Use Newton method to solve the problem. More...
 
void enable_globally_convergent_newton_method ()
 enable globally convergent Newton method More...
 
void disable_globally_convergent_newton_method ()
 disable globally convergent Newton method More...
 
void newton_solve (unsigned const &max_adapt)
 
void steady_newton_solve (unsigned const &max_adapt=0)
 
void copy (Problem *orig_problem_pt)
 
virtual Problemmake_copy ()
 
virtual void read (std::ifstream &restart_file, bool &unsteady_restart)
 
virtual void read (std::ifstream &restart_file)
 
virtual void dump (std::ofstream &dump_file) const
 
void dump (const std::string &dump_file_name) const
 
void delete_all_external_storage ()
 
virtual void symmetrise_eigenfunction_for_adaptive_pitchfork_tracking ()
 
doublebifurcation_parameter_pt () const
 
void get_bifurcation_eigenfunction (Vector< DoubleVector > &eigenfunction)
 
void activate_fold_tracking (double *const &parameter_pt, const bool &block_solve=true)
 
void activate_bifurcation_tracking (double *const &parameter_pt, const DoubleVector &eigenvector, const bool &block_solve=true)
 
void activate_bifurcation_tracking (double *const &parameter_pt, const DoubleVector &eigenvector, const DoubleVector &normalisation, const bool &block_solve=true)
 
void activate_pitchfork_tracking (double *const &parameter_pt, const DoubleVector &symmetry_vector, const bool &block_solve=true)
 
void activate_hopf_tracking (double *const &parameter_pt, const bool &block_solve=true)
 
void activate_hopf_tracking (double *const &parameter_pt, const double &omega, const DoubleVector &null_real, const DoubleVector &null_imag, const bool &block_solve=true)
 
void deactivate_bifurcation_tracking ()
 
void reset_assembly_handler_to_default ()
 Reset the system to the standard non-augemented state. More...
 
double arc_length_step_solve (double *const &parameter_pt, const double &ds, const unsigned &max_adapt=0)
 
double arc_length_step_solve (Data *const &data_pt, const unsigned &data_index, const double &ds, const unsigned &max_adapt=0)
 
void reset_arc_length_parameters ()
 
intsign_of_jacobian ()
 
void explicit_timestep (const double &dt, const bool &shift_values=true)
 Take an explicit timestep of size dt. More...
 
void unsteady_newton_solve (const double &dt)
 
void unsteady_newton_solve (const double &dt, const bool &shift_values)
 
void unsteady_newton_solve (const double &dt, const unsigned &max_adapt, const bool &first, const bool &shift=true)
 
double doubly_adaptive_unsteady_newton_solve (const double &dt, const double &epsilon, const unsigned &max_adapt, const bool &first, const bool &shift=true)
 
double doubly_adaptive_unsteady_newton_solve (const double &dt, const double &epsilon, const unsigned &max_adapt, const unsigned &suppress_resolve_after_spatial_adapt_flag, const bool &first, const bool &shift=true)
 
double adaptive_unsteady_newton_solve (const double &dt_desired, const double &epsilon)
 
double adaptive_unsteady_newton_solve (const double &dt_desired, const double &epsilon, const bool &shift_values)
 
void assign_initial_values_impulsive ()
 
void assign_initial_values_impulsive (const double &dt)
 
void calculate_predictions ()
 Calculate predictions. More...
 
void enable_mass_matrix_reuse ()
 
void disable_mass_matrix_reuse ()
 
bool mass_matrix_reuse_is_enabled ()
 Return whether the mass matrix is being reused. More...
 
void refine_uniformly (const Vector< unsigned > &nrefine_for_mesh)
 
void refine_uniformly (const Vector< unsigned > &nrefine_for_mesh, DocInfo &doc_info)
 
void refine_uniformly_and_prune (const Vector< unsigned > &nrefine_for_mesh)
 
void refine_uniformly_and_prune (const Vector< unsigned > &nrefine_for_mesh, DocInfo &doc_info)
 
void refine_uniformly (DocInfo &doc_info)
 
void refine_uniformly_and_prune (DocInfo &doc_info)
 
void refine_uniformly ()
 
void refine_uniformly (const unsigned &i_mesh, DocInfo &doc_info)
 Do uniform refinement for submesh i_mesh with documentation. More...
 
void refine_uniformly (const unsigned &i_mesh)
 Do uniform refinement for submesh i_mesh without documentation. More...
 
void p_refine_uniformly (const Vector< unsigned > &nrefine_for_mesh)
 
void p_refine_uniformly (const Vector< unsigned > &nrefine_for_mesh, DocInfo &doc_info)
 
void p_refine_uniformly_and_prune (const Vector< unsigned > &nrefine_for_mesh)
 
void p_refine_uniformly_and_prune (const Vector< unsigned > &nrefine_for_mesh, DocInfo &doc_info)
 
void p_refine_uniformly (DocInfo &doc_info)
 
void p_refine_uniformly_and_prune (DocInfo &doc_info)
 
void p_refine_uniformly ()
 
void p_refine_uniformly (const unsigned &i_mesh, DocInfo &doc_info)
 Do uniform p-refinement for submesh i_mesh with documentation. More...
 
void p_refine_uniformly (const unsigned &i_mesh)
 Do uniform p-refinement for submesh i_mesh without documentation. More...
 
void refine_selected_elements (const Vector< unsigned > &elements_to_be_refined)
 
void refine_selected_elements (const Vector< RefineableElement * > &elements_to_be_refined_pt)
 
void refine_selected_elements (const unsigned &i_mesh, const Vector< unsigned > &elements_to_be_refined)
 
void refine_selected_elements (const unsigned &i_mesh, const Vector< RefineableElement * > &elements_to_be_refined_pt)
 
void refine_selected_elements (const Vector< Vector< unsigned >> &elements_to_be_refined)
 
void refine_selected_elements (const Vector< Vector< RefineableElement * >> &elements_to_be_refined_pt)
 
void p_refine_selected_elements (const Vector< unsigned > &elements_to_be_refined)
 
void p_refine_selected_elements (const Vector< PRefineableElement * > &elements_to_be_refined_pt)
 
void p_refine_selected_elements (const unsigned &i_mesh, const Vector< unsigned > &elements_to_be_refined)
 
void p_refine_selected_elements (const unsigned &i_mesh, const Vector< PRefineableElement * > &elements_to_be_refined_pt)
 
void p_refine_selected_elements (const Vector< Vector< unsigned >> &elements_to_be_refined)
 
void p_refine_selected_elements (const Vector< Vector< PRefineableElement * >> &elements_to_be_refined_pt)
 
unsigned unrefine_uniformly ()
 
unsigned unrefine_uniformly (const unsigned &i_mesh)
 
void p_unrefine_uniformly (DocInfo &doc_info)
 
void p_unrefine_uniformly (const unsigned &i_mesh, DocInfo &doc_info)
 Do uniform p-unrefinement for submesh i_mesh without documentation. More...
 
void adapt (unsigned &n_refined, unsigned &n_unrefined)
 
void adapt ()
 
void p_adapt (unsigned &n_refined, unsigned &n_unrefined)
 
void p_adapt ()
 
void adapt_based_on_error_estimates (unsigned &n_refined, unsigned &n_unrefined, Vector< Vector< double >> &elemental_error)
 
void adapt_based_on_error_estimates (Vector< Vector< double >> &elemental_error)
 
void get_all_error_estimates (Vector< Vector< double >> &elemental_error)
 
void doc_errors (DocInfo &doc_info)
 Get max and min error for all elements in submeshes. More...
 
void doc_errors ()
 Get max and min error for all elements in submeshes. More...
 
void enable_info_in_newton_solve ()
 
void disable_info_in_newton_solve ()
 Disable the output of information when in the newton solver. More...
 
- Public Member Functions inherited from oomph::ExplicitTimeSteppableObject
 ExplicitTimeSteppableObject ()
 Empty constructor. More...
 
 ExplicitTimeSteppableObject (const ExplicitTimeSteppableObject &)=delete
 Broken copy constructor. More...
 
void operator= (const ExplicitTimeSteppableObject &)=delete
 Broken assignment operator. More...
 
virtual ~ExplicitTimeSteppableObject ()
 Empty destructor. More...
 
virtual void actions_before_explicit_stage ()
 
virtual void actions_after_explicit_stage ()
 
- Public Member Functions inherited from oomph::SegregatableFSIProblem
 SegregatableFSIProblem ()
 
virtual ~SegregatableFSIProblem ()
 Empty virtual destructor. More...
 
void setup_segregated_solver (const bool &full_setup_of_fluid_and_solid_dofs=true)
 
PicardConvergenceData segregated_solve ()
 
PicardConvergenceData steady_segregated_solve ()
 
PicardConvergenceData unsteady_segregated_solve (const double &dt)
 
PicardConvergenceData unsteady_segregated_solve (const double &dt, const bool &shift_values)
 
void assess_convergence_based_on_max_global_residual (const double &tol)
 
void assess_convergence_based_on_max_global_residual ()
 
void assess_convergence_based_on_absolute_solid_change (const double &tol)
 
void assess_convergence_based_on_absolute_solid_change ()
 
void assess_convergence_based_on_relative_solid_change (const double &tol)
 
void assess_convergence_based_on_relative_solid_change ()
 
void enable_pointwise_aitken (const unsigned &pointwise_aitken_start)
 
void enable_pointwise_aitken ()
 
void disable_pointwise_aitken ()
 Disable the use of pointwise Aitken extrapolation. More...
 
void enable_under_relaxation (const double &omega=1.0)
 
void enable_irons_and_tuck_extrapolation ()
 Use Irons and Tuck extrapolation for solid dofs. More...
 
void disable_irons_and_tuck_extrapolation ()
 Do not use Irons and Tuck extrapolation for solid dofs. More...
 
void get_solid_change (double &rms_change, double &max_change, double &rms_norm)
 
void store_solid_dofs ()
 
void reset_timer ()
 Reset timer. More...
 
void restart_timer ()
 
void halt_timer ()
 
double t_spent_on_actual_solve ()
 Total elapsed time since start of solve. More...
 

Private Attributes

ofstream Convergence_file
 Output stream to document the convergence history. More...
 

Additional Inherited Members

- Public Types inherited from oomph::Problem
typedef void(* SpatialErrorEstimatorFctPt) (Mesh *&mesh_pt, Vector< double > &elemental_error)
 Function pointer for spatial error estimator. More...
 
typedef void(* SpatialErrorEstimatorWithDocFctPt) (Mesh *&mesh_pt, Vector< double > &elemental_error, DocInfo &doc_info)
 Function pointer for spatial error estimator with doc. More...
 
- Public Types inherited from oomph::SegregatableFSIProblem
enum  convergence_criteria { Assess_convergence_based_on_absolute_solid_change , Assess_convergence_based_on_relative_solid_change , Assess_convergence_based_on_max_global_residual }
 Enumerated flags for convergence criteria. More...
 
enum  solve_type { Full_solve , Fluid_solve , Solid_solve }
 Enumerated flags to indicate which solve is taking place. More...
 
- Public Attributes inherited from oomph::Problem
bool Shut_up_in_newton_solve
 
- Static Public Attributes inherited from oomph::Problem
static bool Suppress_warning_about_actions_before_read_unstructured_meshes
 
- Protected Types inherited from oomph::Problem
enum  Assembly_method {
  Perform_assembly_using_vectors_of_pairs , Perform_assembly_using_two_vectors , Perform_assembly_using_maps , Perform_assembly_using_lists ,
  Perform_assembly_using_two_arrays
}
 Enumerated flags to determine which sparse assembly method is used. More...
 
- Protected Member Functions inherited from oomph::Problem
unsigned setup_element_count_per_dof ()
 
virtual void sparse_assemble_row_or_column_compressed (Vector< int * > &column_or_row_index, Vector< int * > &row_or_column_start, Vector< double * > &value, Vector< unsigned > &nnz, Vector< double * > &residual, bool compressed_row_flag)
 
virtual void actions_after_newton_step ()
 
virtual void actions_after_implicit_timestep ()
 
virtual void actions_after_implicit_timestep_and_error_estimation ()
 
virtual void actions_before_explicit_timestep ()
 Actions that should be performed before each explicit time step. More...
 
virtual void actions_after_explicit_timestep ()
 Actions that should be performed after each explicit time step. More...
 
virtual void actions_before_read_unstructured_meshes ()
 
virtual void actions_after_read_unstructured_meshes ()
 
virtual void actions_after_change_in_global_parameter (double *const &parameter_pt)
 
virtual void actions_after_change_in_bifurcation_parameter ()
 
virtual void actions_after_parameter_increase (double *const &parameter_pt)
 
doubledof_derivative (const unsigned &i)
 
doubledof_current (const unsigned &i)
 
virtual double global_temporal_error_norm ()
 
unsigned newton_solve_continuation (double *const &parameter_pt)
 
unsigned newton_solve_continuation (double *const &parameter_pt, DoubleVector &z)
 
void calculate_continuation_derivatives (double *const &parameter_pt)
 
void calculate_continuation_derivatives (const DoubleVector &z)
 
void calculate_continuation_derivatives_fd (double *const &parameter_pt)
 
bool does_pointer_correspond_to_problem_data (double *const &parameter_pt)
 
void set_consistent_pinned_values_for_continuation ()
 
- Protected Member Functions inherited from oomph::SegregatableFSIProblem
virtual void actions_before_segregated_solve ()
 
virtual void actions_after_segregated_solve ()
 
virtual void actions_before_segregated_convergence_check ()
 
void rebuild_monolithic_mesh ()
 Rebuild global mesh for monolithic discretisation. More...
 
void restore_fluid_dofs ()
 Restore pinned status of fluid dofs. More...
 
void pin_solid_dofs ()
 Pin solid dofs. More...
 
void restore_solid_dofs ()
 Restore pinned status of solid dofs. More...
 
void pointwise_aitken_extrapolate ()
 Do pointwise Aitken extrapolation for solid. More...
 
- Protected Attributes inherited from FSIDrivenCavityProblem< ELEMENT >
unsigned Nx
 Number of elements in the x direction. More...
 
unsigned Ny
 Number of elements in the y direction. More...
 
double Lx
 Width of domain. More...
 
double Ly
 Height of domain. More...
 
double T
 Period of oscillation. More...
 
AlgebraicFSIDrivenCavityMesh< ELEMENT > * Bulk_mesh_pt
 Pointer to the "bulk" mesh. More...
 
OneDLagrangianMesh< FSIHermiteBeamElement > * Wall_mesh_pt
 Pointer to the "wall" mesh. More...
 
NodeLeft_node_pt
 Pointer to the left control node. More...
 
NodeRight_node_pt
 Pointer to right control node. More...
 
NodeWall_node_pt
 Pointer to control node on the wall. More...
 
MeshAsGeomObjectWall_geom_object_pt
 
- Protected Attributes inherited from oomph::Problem
Vector< Problem * > Copy_of_problem_pt
 
std::map< double *, boolCalculate_dparameter_analytic
 
bool Calculate_hessian_products_analytic
 
LinearAlgebraDistributionDof_distribution_pt
 
Vector< double * > Dof_pt
 Vector of pointers to dofs. More...
 
DoubleVectorWithHaloEntries Element_count_per_dof
 
double Relaxation_factor
 
double Newton_solver_tolerance
 
unsigned Max_newton_iterations
 Maximum number of Newton iterations. More...
 
unsigned Nnewton_iter_taken
 
Vector< doubleMax_res
 Maximum residuals at start and after each newton iteration. More...
 
double Max_residuals
 
bool Time_adaptive_newton_crash_on_solve_fail
 
bool Jacobian_reuse_is_enabled
 Is re-use of Jacobian in Newton iteration enabled? Default: false. More...
 
bool Jacobian_has_been_computed
 
bool Problem_is_nonlinear
 
bool Pause_at_end_of_sparse_assembly
 
bool Doc_time_in_distribute
 
unsigned Sparse_assembly_method
 
unsigned Sparse_assemble_with_arrays_initial_allocation
 
unsigned Sparse_assemble_with_arrays_allocation_increment
 
Vector< Vector< unsigned > > Sparse_assemble_with_arrays_previous_allocation
 
double Numerical_zero_for_sparse_assembly
 
double FD_step_used_in_get_hessian_vector_products
 
bool Mass_matrix_reuse_is_enabled
 
bool Mass_matrix_has_been_computed
 
bool Discontinuous_element_formulation
 
double Minimum_dt
 Minimum desired dt: if dt falls below this value, exit. More...
 
double Maximum_dt
 Maximum desired dt. More...
 
double DTSF_max_increase
 
double DTSF_min_decrease
 
double Minimum_dt_but_still_proceed
 
bool Scale_arc_length
 Boolean to control whether arc-length should be scaled. More...
 
double Desired_proportion_of_arc_length
 Proportion of the arc-length to taken by the parameter. More...
 
double Theta_squared
 
int Sign_of_jacobian
 Storage for the sign of the global Jacobian. More...
 
double Continuation_direction
 
double Parameter_derivative
 Storage for the derivative of the global parameter wrt arc-length. More...
 
double Parameter_current
 Storage for the present value of the global parameter. More...
 
bool Use_continuation_timestepper
 Boolean to control original or new storage of dof stuff. More...
 
unsigned Dof_derivative_offset
 
unsigned Dof_current_offset
 
Vector< doubleDof_derivative
 Storage for the derivative of the problem variables wrt arc-length. More...
 
Vector< doubleDof_current
 Storage for the present values of the variables. More...
 
double Ds_current
 Storage for the current step value. More...
 
unsigned Desired_newton_iterations_ds
 
double Minimum_ds
 Minimum desired value of arc-length. More...
 
bool Bifurcation_detection
 Boolean to control bifurcation detection via determinant of Jacobian. More...
 
bool Bisect_to_find_bifurcation
 Boolean to control wheter bisection is used to located bifurcation. More...
 
bool First_jacobian_sign_change
 Boolean to indicate whether a sign change has occured in the Jacobian. More...
 
bool Arc_length_step_taken
 Boolean to indicate whether an arc-length step has been taken. More...
 
bool Use_finite_differences_for_continuation_derivatives
 
OomphCommunicatorCommunicator_pt
 The communicator for this problem. More...
 
bool Always_take_one_newton_step
 
double Timestep_reduction_factor_after_nonconvergence
 
bool Keep_temporal_error_below_tolerance
 
- Protected Attributes inherited from oomph::SegregatableFSIProblem
int Pointwise_aitken_counter
 
bool Use_pointwise_aitken
 Use pointwise Aitken extrapolation? More...
 
unsigned Pointwise_aitken_start
 
int Solve_type
 Solve that is taking place (enumerated flag) More...
 
double Convergence_tolerance
 Convergence tolerance for Picard iteration. More...
 
unsigned Max_picard
 Max. number of Picard iterations. More...
 
bool Doc_max_global_residual
 Doc maximum global residual during iteration? (default: false) More...
 
Vector< Data * > Fluid_data_pt
 
Vector< std::vector< bool > > Fluid_value_is_pinned
 
Vector< Data * > Solid_data_pt
 
Vector< std::vector< bool > > Solid_value_is_pinned
 
Vector< doublePrevious_solid_value
 
MeshFluid_mesh_pt
 
MeshSolid_mesh_pt
 
Vector< Mesh * > Orig_sub_mesh_pt
 Backup for the pointers to the submeshes in the original problem. More...
 
Vector< doubleDel_irons_and_tuck
 Vector of changes in Irons and Tuck under-relaxation. More...
 
double R_irons_and_tuck
 Irons and Tuck relaxation factor. More...
 
Vector< Vector< double > > Pointwise_aitken_solid_value
 
bool Recheck_convergence_after_pointwise_aitken
 Have we just done a pointwise Aitken step. More...
 
- Static Protected Attributes inherited from oomph::Problem
static ContinuationStorageScheme Continuation_time_stepper
 Storage for the single static continuation timestorage object. More...
 

Detailed Description

template<class ELEMENT>
class SegregatedFSIDrivenCavityProblem< ELEMENT >

//////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////// Problem class – add segregated solver capability to existing problem.

Constructor & Destructor Documentation

◆ SegregatedFSIDrivenCavityProblem()

template<class ELEMENT >
SegregatedFSIDrivenCavityProblem< ELEMENT >::SegregatedFSIDrivenCavityProblem ( const unsigned nx,
const unsigned ny,
const double lx,
const double ly,
const double gap_fraction,
const double period 
)

Constructor for the collapsible channel problem.

Constructor: The arguments are the number of elements, the lengths of the domain, the fractional height of the gap next to the moving lid and the period of the lid's oscillation

141  :
142  FSIDrivenCavityProblem<ELEMENT>(nx, ny, lx, ly, gap_fraction, period)
143 {
144  Max_picard = 50;
145 // // Choose convergence criterion
146 // if (Flags::Convergence_criterion==0)
147 // {
148 // assess_convergence_based_on_max_global_residual();
149 // }
150 // else if (Flags::Convergence_criterion==1)
151 // {
152 // assess_convergence_based_on_absolute_solid_change();
153 // }
154 // else if (Flags::Convergence_criterion==2)
155 // {
156 // assess_convergence_based_on_relative_solid_change();
157 // }
158 
159 
160  // Convergence criterion
162 
163 
164  // Pointwise Aitken extrapolation?
165  this->disable_pointwise_aitken(); // Flags::Use_pointwise_aitken;
166 
167  // Use under-relaxation?
168  //enable_under_relaxation(Flags::Omega_under_relax);
169  this->enable_under_relaxation(1.0e-2);
170 
171  // Use Irons and Tuck's extrapolation
172  //this->enable_irons_and_tuck_extrapolation();
173 
174  // Doc max. global residual during Picard iteration
176 
177  // Number of wall control points
178  unsigned n_control=10;
180  control_point_pairs(n_control);
181 
182  // Get wall control points
183  for (unsigned i=0;i<n_control;i++)
184  {
185  // Get pointer to/local coordinate in wall element that contains
186  // control node
187  Vector<double> zeta_ctrl(1);
188  zeta_ctrl[0]=double(i+1)/double(n_control+1);
189  control_point_pairs[i].second.resize(1);
190  this->Wall_geom_object_pt->locate_zeta(zeta_ctrl,control_point_pairs[i].first,
191  control_point_pairs[i].second);
192 
193  Vector<double> r_ctrl(2);
194  control_point_pairs[i].first->position(control_point_pairs[i].second,
195  r_ctrl);
196  }
197 
198  // Identify control points for doc of picard convergence
199  //identify_solid_control_points(control_point_pairs);
200 
201 }
int i
Definition: BiCGSTAB_step_by_step.cpp:9
Problem class.
Definition: fsi_driven_cavity_problem.h:160
MeshAsGeomObject * Wall_geom_object_pt
Definition: fsi_driven_cavity_problem.h:274
void locate_zeta(const Vector< double > &zeta, GeomObject *&sub_geom_object_pt, Vector< double > &s, const bool &use_coordinate_as_initial_guess=false)
Definition: mesh_as_geometric_object.h:373
void disable_pointwise_aitken()
Disable the use of pointwise Aitken extrapolation.
Definition: segregated_fsi_solver.h:381
void enable_under_relaxation(const double &omega=1.0)
Definition: segregated_fsi_solver.h:391
unsigned Max_picard
Max. number of Picard iterations.
Definition: segregated_fsi_solver.h:503
bool Doc_max_global_residual
Doc maximum global residual during iteration? (default: false)
Definition: segregated_fsi_solver.h:506
void assess_convergence_based_on_absolute_solid_change()
Definition: segregated_fsi_solver.h:338
Definition: oomph-lib/src/generic/Vector.h:58
const double ly
Definition: ConstraintElementsUnitTest.cpp:34
const double lx
Definition: ConstraintElementsUnitTest.cpp:33
const unsigned nx
Definition: ConstraintElementsUnitTest.cpp:30
const unsigned ny
Definition: ConstraintElementsUnitTest.cpp:31

References oomph::SegregatableFSIProblem::assess_convergence_based_on_absolute_solid_change(), oomph::SegregatableFSIProblem::disable_pointwise_aitken(), oomph::SegregatableFSIProblem::Doc_max_global_residual, oomph::SegregatableFSIProblem::enable_under_relaxation(), i, oomph::MeshAsGeomObject::locate_zeta(), oomph::SegregatableFSIProblem::Max_picard, and FSIDrivenCavityProblem< ELEMENT >::Wall_geom_object_pt.

◆ ~SegregatedFSIDrivenCavityProblem()

template<class ELEMENT >
SegregatedFSIDrivenCavityProblem< ELEMENT >::~SegregatedFSIDrivenCavityProblem ( )
inline

Destructor (empty)

66 {}

Member Function Documentation

◆ actions_after_newton_solve()

template<class ELEMENT >
void SegregatedFSIDrivenCavityProblem< ELEMENT >::actions_after_newton_solve ( )
inlinevirtual

empty final overload

Reimplemented from FSIDrivenCavityProblem< ELEMENT >.

85 {}

◆ actions_before_newton_convergence_check()

template<class ELEMENT >
void SegregatedFSIDrivenCavityProblem< ELEMENT >::actions_before_newton_convergence_check
virtual

Overload actions after Newton step: Update nodal positions in the fluid mesh in response to any changes in the wall displacement field. If monolithic Newton solver is used, doc progress of Newton iteration, using the same output as during Picard iteration.

Actions after Newton step: Update nodal positions in the fluid mesh in response to any changes in the wall displacement field. If monolithic Newton solver is used, doc progress of Newton iteration, using the same output as during Picard iteration.

Reimplemented from FSIDrivenCavityProblem< ELEMENT >.

213 {
214 
215  this->Bulk_mesh_pt->node_update();
216 
217 // // if (!Flags::Use_segregated_solver)
218 // {
219 // // Halt timer
220 // halt_timer();
221 
222 // double rms_change;
223 // double max_change;
224 // double rms_norm;
225 // double max_res=0.0;
226 // get_solid_change(rms_change,max_change,rms_norm);
227 
228 // Vector<double> residual(this->ndof());
229 // this->get_residuals(residual);
230 // max_res=std::abs(*std::max_element(residual.begin(),
231 // residual.end(),
232 // AbsCmp<double>()));
233 
234 // std::cout << "==================================================\n";
235 // std::cout << "Iteration : "
236 // << Newton_iter << std::endl;
237 // std::cout << "RMS change : "
238 // << rms_change << std::endl;
239 // std::cout << "Max. change : "
240 // << max_change << std::endl;
241 // std::cout << "RMS norm : "
242 // << rms_norm << std::endl;
243 // std::cout << "Max. global residual : "
244 // << max_res << std::endl;
245 // std::cout << "==================================================\n\n";
246 
247 // bool get_max_global_residual=true;
248 // write_convergence_history(Newton_iter,
249 // rms_change,
250 // max_change,
251 // rms_norm,
252 // max_res,
253 // Convergence_file,
254 // get_max_global_residual);
255 
256 // // Store the current values of the solid dofs as reference values
257 // store_solid_dofs();
258 
259 // // Increment counter
260 // Newton_iter++;
261 
262 // // Restart timer
263 // restart_timer();
264 // }
265 }
AlgebraicFSIDrivenCavityMesh< ELEMENT > * Bulk_mesh_pt
Pointer to the "bulk" mesh.
Definition: fsi_driven_cavity_problem.h:258

◆ actions_before_newton_solve()

template<class ELEMENT >
void SegregatedFSIDrivenCavityProblem< ELEMENT >::actions_before_newton_solve ( )
inlinevirtual

Initialise timer and reset counter for Newton iterations if monolithic solver is used.

Reimplemented from FSIDrivenCavityProblem< ELEMENT >.

91  {
92 // if (!Flags::Use_segregated_solver)
93 // {
94 // // Initialise counter for Newton iteration
95 // Newton_iter=0;
96 
97 // // Initialise timer that allows doc of iteration/cpu time
98 // reset_timer();
99 // }
100  }

◆ actions_before_newton_step()

template<class ELEMENT >
void SegregatedFSIDrivenCavityProblem< ELEMENT >::actions_before_newton_step ( )
inlinevirtual

Overload actions before Newton step: Update nodal positions in the fluid mesh in response to any changes in the wall displacement field if segregated solver is used.

Reimplemented from oomph::Problem.

106  {
107  this->Bulk_mesh_pt->node_update();
108  }

References FSIDrivenCavityProblem< ELEMENT >::Bulk_mesh_pt.

◆ identify_fluid_and_solid_dofs()

template<class ELEMENT >
void SegregatedFSIDrivenCavityProblem< ELEMENT >::identify_fluid_and_solid_dofs ( Vector< Data * > &  fluid_data_pt,
Vector< Data * > &  solid_data_pt,
Mesh *&  fluid_mesh_pt,
Mesh *&  solid_mesh_pt 
)
virtual

Identify the fluid and solid Data and the meshes that contain only elements that are involved in the respective sub-problems. This implements a pure pure virtual function in the SegregatableFSIProblem base class.

Implements oomph::SegregatableFSIProblem.

308 {
309 
310  // Fluid
311  //------
312 
313  // Reset
314  fluid_data_pt.clear();
315 
316  // Get internal data of fluid elements in bulk
317  unsigned n_fluid_elem=this->bulk_mesh_pt()->nelement();
318  for (unsigned e=0;e<n_fluid_elem;e++)
319  {
320  GeneralisedElement* el_pt=this->bulk_mesh_pt()->element_pt(e);
321  unsigned n_internal=el_pt->ninternal_data();
322  for (unsigned j=0;j<n_internal;j++)
323  {
324  fluid_data_pt.push_back(el_pt->internal_data_pt(j));
325  }
326  }
327 
328  // Loop over nodes in fluid bulk mesh
329  unsigned n_fluid_node=this->bulk_mesh_pt()->nnode();
330  for (unsigned j=0;j<n_fluid_node;j++)
331  {
332  fluid_data_pt.push_back(this->bulk_mesh_pt()->node_pt(j));
333  }
334 
335  // Here's the mesh that contains only fluid elements:
336  fluid_mesh_pt = this->bulk_mesh_pt();
337 
338 
339  // Solid
340  //------
341 
342  // Reset
343  solid_data_pt.clear();
344 
345  // Loop over nodes in solid mesh
346  unsigned n_solid_node=this->wall_mesh_pt()->nnode();
347  for (unsigned j=0;j<n_solid_node;j++)
348  {
349  solid_data_pt.push_back(
350  this->wall_mesh_pt()->node_pt(j)->variable_position_pt());
351  }
352 
353 
354  // Build the mesh that contains only solid elements:
355  Vector<Mesh*> s_mesh_pt(1);
356  s_mesh_pt[0]=this->wall_mesh_pt();
357 
358  // Build "combined" mesh
359  solid_mesh_pt = new Mesh(s_mesh_pt);
360 
361 }
Array< double, 1, 3 > e(1./3., 0.5, 2.)
OneDLagrangianMesh< FSIHermiteBeamElement > * wall_mesh_pt()
Access function for the wall mesh.
Definition: fsi_driven_cavity_problem.h:193
AlgebraicFSIDrivenCavityMesh< ELEMENT > * bulk_mesh_pt()
Access function for the specific bulk (fluid) mesh.
Definition: fsi_driven_cavity_problem.h:182
Definition: elements.h:73
Data *& internal_data_pt(const unsigned &i)
Return a pointer to i-th internal data object.
Definition: elements.h:622
unsigned ninternal_data() const
Return the number of internal data objects.
Definition: elements.h:823
Definition: mesh.h:67
unsigned long nnode() const
Return number of nodes in the mesh.
Definition: mesh.h:596
std::ptrdiff_t j
Definition: tut_arithmetic_redux_minmax.cpp:2

References e(), oomph::GeneralisedElement::internal_data_pt(), j, and oomph::GeneralisedElement::ninternal_data().

◆ write_zone_info_for_convergence_history()

template<class ELEMENT >
void SegregatedFSIDrivenCavityProblem< ELEMENT >::write_zone_info_for_convergence_history ( ofstream &  convergence_file)

Overload empty virtual function that is called before header for convergence history is written. This can be overloaded to insert zone information that can be used to identify the problem parameters for this solve.

Overload empty virtual function that is called before header for convergence history is written. Overloaded to insert zone information that can be used to identify the problem parameters for this solve.

277 {
278 
279  convergence_file << "ZONE T=\"";
280  convergence_file << "Re=" << Global_Physical_Variables::Re << ", ";
281  convergence_file << "Q=" << Global_Physical_Variables::Q << " \"" << std::endl;
282 // convergence_file << "resolution factor: " << Flags::Resolution_factor << " ";
283 // if (Flags::Use_segregated_solver)
284 // {
285 // convergence_file << "Picard";
286 // }
287 // else
288 // {
289 // convergence_file << "Newton";
290 // }
291 // convergence_file << "\""<< std::endl;
292 
293 }
double Q
Ratio of scales.
Definition: elastic_bretherton.cc:131
double Re
Reynolds number.
Definition: fibre.cc:55

References Global_Physical_Variables::Q, and Global_Physical_Variables::Re.

Member Data Documentation

◆ Convergence_file

template<class ELEMENT >
ofstream SegregatedFSIDrivenCavityProblem< ELEMENT >::Convergence_file
private

Output stream to document the convergence history.


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