Moving block problem. More...

Inheritance diagram for MovingBlockProblem< ELEMENT >:

Public Member Functions
	MovingBlockProblem ()
	Constructor. More...

	~MovingBlockProblem ()
	Destructor (empty) More...

void	actions_before_newton_solve ()

void	actions_after_newton_solve ()
	Update the after solve (empty) More...

void	actions_after_adapt ()
	After adaptation: Unpin pressure and pin redudant pressure dofs. More...

void	doc_solution ()
	Doc the solution. More...

	MovingBlockProblem ()
	Constructor. More...

	~MovingBlockProblem ()
	Destructor (empty) More...

void	fix_pressure (const unsigned &e, const unsigned &pdof, const double &pvalue)
	Fix pressure in element e at pressure dof pdof and set to pvalue. More...

void	actions_before_newton_solve ()

void	actions_after_newton_solve ()
	Update the after solve (empty) More...

void	actions_after_adapt ()
	After adaptation: Unpin pressure and pin redudant pressure dofs. More...

void	doc_solution (DocInfo &doc_info)
	Doc the solution. 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 ()

OomphCommunicator *	communicator_pt ()
	access function to the oomph-lib communicator More...

const OomphCommunicator *	communicator_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 ()

LinearSolver *	mass_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...

Time *	time_pt () const
	Return a pointer to the global time object (const version). More...

double &	time ()
	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 TimeStepper *	time_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...

double &	minimum_dt ()
	Access function to min timestep in adaptive timestepping. More...

double &	maximum_dt ()
	Access function to max timestep in adaptive timestepping. More...

unsigned &	max_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...

double &	max_residuals ()

bool &	time_adaptive_newton_crash_on_solve_fail ()
	Access function for Time_adaptive_newton_crash_on_solve_fail. More...

double &	newton_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...

double *	global_dof_pt (const unsigned &i)

double &	dof (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...

double *	dof_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...

bool &	use_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 Problem *	make_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 ()

double *	bifurcation_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 ()

int &	sign_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 ()

Private Types
enum	{ Lower_boundary_id =0 , Right_boundary_id =1 , Upper_boundary_id =2 , Left_boundary_id =3 , Cylinder_surface_boundary_id =4 , Initial_time_boundary_id =5 , Final_time_boundary_id =6 }

typedef RefineableQTaylorHoodElement< 3 >	EXTRUDED_ELEMENT

Private Member Functions
void	create_extruded_mesh ()
	Generate a 2D mesh and "extrude" it to create a 3D mesh. More...

void	apply_boundary_conditions ()
	Set the chosen boundary conditions. More...

void	complete_element_build ()
	Finish the build of the elements: assign their problem parameter pointers. More...

void	fix_pressure (const unsigned &e, const unsigned &p_dof, const double &p_value)
	Fix pressure in element e at pressure dof pdof and set to pvalue. More...

Private Attributes
RefineableExtrudedCubeMeshFromQuadMesh< EXTRUDED_ELEMENT > *	Extruded_mesh_pt
	Pointer to the 3D "extruded" mesh. More...

MESH *	Bulk_mesh_pt
	Pointer to the "bulk" mesh. 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 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_before_newton_convergence_check ()

virtual void	actions_before_newton_step ()

virtual void	actions_after_newton_step ()

virtual void	actions_before_implicit_timestep ()

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)

double &	dof_derivative (const unsigned &i)

double &	dof_current (const unsigned &i)

virtual void	set_initial_condition ()

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 Attributes inherited from oomph::Problem
Vector< Problem * >	Copy_of_problem_pt

std::map< double *, bool >	Calculate_dparameter_analytic

bool	Calculate_hessian_products_analytic

LinearAlgebraDistribution *	Dof_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< double >	Max_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< double >	Dof_derivative
	Storage for the derivative of the problem variables wrt arc-length. More...

Vector< double >	Dof_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

OomphCommunicator *	Communicator_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

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 MovingBlockProblem< ELEMENT >

Moving block problem.

//////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////

Member Typedef Documentation

◆ EXTRUDED_ELEMENT

template<class ELEMENT >

typedef RefineableQTaylorHoodElement<3> MovingBlockProblem< ELEMENT >::EXTRUDED_ELEMENT

private

Member Enumeration Documentation

◆ anonymous enum

template<class ELEMENT >

anonymous enum

private

Enumerator
Lower_boundary_id
Right_boundary_id
Upper_boundary_id
Left_boundary_id
Cylinder_surface_boundary_id
Initial_time_boundary_id
Final_time_boundary_id

   {
     Lower_boundary_id=0,
     Right_boundary_id=1,
     Upper_boundary_id=2,
     Left_boundary_id=3,
     Cylinder_surface_boundary_id=4,
     Initial_time_boundary_id=5,
     Final_time_boundary_id=6
   };

Constructor & Destructor Documentation

◆ MovingBlockProblem() [1/2]

template<class ELEMENT , class MESH >

MovingBlockProblem< ELEMENT, MESH >::MovingBlockProblem

Constructor.

Constructor for MovingBlock problem.

 {
   // Set the maximum residuals value
   Problem::Max_residuals=100.0;
  
   // Create the extruded 3D mesh
   create_extruded_mesh();
  
   // Set the chosen boundary conditions
   apply_boundary_conditions();
  
   // Finish the build of the elements: assign their problem parameter pointers
   complete_element_build();
  
   // We're using QTaylorHood elements so we need to pin the redundant nodal
   // pressure dofs and because we're not using traction BCs, the pressure is
   // only determined up to a constant so need to add a constraint to make the
   // solution unique. For this, we set the first pressure value in element 0
   // to 0.0. This is all implemented in actions_after_adapt().
   actions_after_adapt();
  
   // Setup equation numbering scheme
   std::cout << "Number of equations: " << assign_eqn_numbers() << std::endl;
 } // End of MovingBlockProblem

References oomph::Problem::Max_residuals.

◆ ~MovingBlockProblem() [1/2]

template<class ELEMENT >

MovingBlockProblem< ELEMENT >::~MovingBlockProblem ( )

inline

Destructor (empty)

75 {}

◆ MovingBlockProblem() [2/2]

template<class ELEMENT >

MovingBlockProblem< ELEMENT >::MovingBlockProblem ( )

Constructor.

◆ ~MovingBlockProblem() [2/2]

template<class ELEMENT >

MovingBlockProblem< ELEMENT >::~MovingBlockProblem ( )

inline

Destructor (empty)

75 {}

Member Function Documentation

◆ actions_after_adapt() [1/2]

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::actions_after_adapt

virtual

After adaptation: Unpin pressure and pin redudant pressure dofs.

Reimplemented from oomph::Problem.

 {
   // Unpin all pressure dofs
   RefineableNavierStokesEquations<3>::
   unpin_all_pressure_dofs(mesh_pt()->element_pt());
  
   // Pin redundant pressure dofs
   RefineableNavierStokesEquations<3>::
   pin_redundant_nodal_pressures(mesh_pt()->element_pt());
  
   // Now set the first pressure dof in the first element to 0.0
   fix_pressure(0,0,0.0);
 } // End of actions_after_adapt

References oomph::RefineableNavierStokesEquations< DIM >::pin_redundant_nodal_pressures(), and oomph::RefineableNavierStokesEquations< DIM >::unpin_all_pressure_dofs().

◆ actions_after_adapt() [2/2]

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::actions_after_adapt ( )

inlinevirtual

After adaptation: Unpin pressure and pin redudant pressure dofs.

Reimplemented from oomph::Problem.

   {
    // Unpin all pressure dofs
    RefineableNavierStokesEquations<2>::
     unpin_all_pressure_dofs(mesh_pt()->element_pt());
     
     // Pin redundant pressure dofs
    RefineableNavierStokesEquations<2>::
     pin_redundant_nodal_pressures(mesh_pt()->element_pt());
    
    // Now set the first pressure dof in the first element to 0.0
    fix_pressure(0,0,0.0);
   } // end_of_actions_after_adapt

◆ actions_after_newton_solve() [1/2]

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::actions_after_newton_solve ( )

inlinevirtual

Update the after solve (empty)

Reimplemented from oomph::Problem.

86 {}

◆ actions_after_newton_solve() [2/2]

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::actions_after_newton_solve ( )

inlinevirtual

Update the after solve (empty)

Reimplemented from oomph::Problem.

115 {}

◆ actions_before_newton_solve() [1/2]

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::actions_before_newton_solve ( )

inlinevirtual

Update the problem specs before solve. Reset velocity boundary conditions just to be on the safe side...

Reimplemented from oomph::Problem.

   {
     // Call the helper function to set the boundary conditions
     apply_boundary_conditions();
   } // End of actions_before_newton_solve

◆ actions_before_newton_solve() [2/2]

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::actions_before_newton_solve ( )

inlinevirtual

Update the problem specs before solve. Re-set velocity boundary conditions just to be on the safe side...

Reimplemented from oomph::Problem.

   {   
    // No flow along the boundaries
    unsigned num_bound=mesh_pt()->nboundary();
    for(unsigned ibound=1;ibound<num_bound;ibound++)
    {
     unsigned num_nod=mesh_pt()->nboundary_node(ibound);
     for (unsigned inod=0;inod<num_nod;inod++)
     {
      for (unsigned i=0;i<2;i++)
      {
       mesh_pt()->boundary_node_pt(ibound,inod)->set_value(i,0.0);
      }
     }
    }
    
    // Setup vertical flow along boundary 1:
    unsigned ibound=1; 
    unsigned num_nod=mesh_pt()->nboundary_node(ibound);
    for (unsigned inod=0;inod<num_nod;inod++)
    {
     // Vertical flow
     mesh_pt()->boundary_node_pt(ibound,inod)->set_value(0,0.0);
     mesh_pt()->boundary_node_pt(ibound,inod)->set_value(1,1.0);
    }
    
   } // end_of_actions_before_newton_solve

References i.

◆ apply_boundary_conditions()

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::apply_boundary_conditions

private

Set the chosen boundary conditions.

 {
   // Get the start time
   double start_t=TimingHelpers::timer();
  
   // Set the boundary conditions for this problem: All nodes are free by
   // default -- just pin the ones that have Dirichlet conditions here.
   // Ignore the lower boundary (b=0) so we can do it separately afterwards
   unsigned n_boundary=mesh_pt()->nboundary();
   for (unsigned b=1; b<n_boundary; b++)
   {
     unsigned n_node=mesh_pt()->nboundary_node(b);
     for (unsigned n=0; n<n_node; n++)
     {
       Node* boundary_node_pt=mesh_pt()->boundary_node_pt(b,n);
  
       unsigned n_value=boundary_node_pt->nvalue();
  
       // Just pin the velocity dofs
       for (unsigned i=0; i<n_value-1; i++)
       {
         // Pin all boundary nodes; we're applying Dirichlet BCs
         boundary_node_pt->pin(i);
  
         // No-slip BCs on the side walls
         boundary_node_pt->set_value(i,0.0);
       }
     } // for (unsigned n=0; n<n_node; n++)
   } // for (unsigned b=0; b<n_boundary; b++)
  
   // Set the boundary conditions for this problem: All nodes are free by
   // default -- just pin the ones that have Dirichlet conditions here.
   unsigned n_node=mesh_pt()->nboundary_node(Lower_boundary_id);
   for (unsigned n=0; n<n_node; n++)
   {
     // Pointer to the n-th node on the lower boundary
     Node* boundary_node_pt=mesh_pt()->boundary_node_pt(Lower_boundary_id,n);
  
     // The number of N.St. unknowns
     unsigned n_value=boundary_node_pt->nvalue();
  
     // Just pin the velocity dofs
     for (unsigned i=0; i<n_value-1; i++)
     {
       // Pin all boundary nodes; we're applying Dirichlet BCs
       boundary_node_pt->pin(i);
     }
  
     // Horizontal flow
     boundary_node_pt->set_value(0,1.0);
     boundary_node_pt->set_value(1,0.0);
     boundary_node_pt->set_value(2,0.0);
   } // for (unsigned n=0; n<n_node; n++)
  
   // Output the setup time to the screen
   oomph_info << "\nTime taken for application of boundary conditions [sec]: "
              << TimingHelpers::timer()-start_t << std::endl;
 } // End of apply_boundary_conditions

References b, i, n, oomph::Data::nvalue(), oomph::oomph_info, oomph::Data::pin(), oomph::Data::set_value(), and oomph::TimingHelpers::timer().

◆ complete_element_build()

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::complete_element_build

private

Finish the build of the elements: assign their problem parameter pointers.

Complete problem setup: pass pointers to physical variables.

 {
   // Get the start time
   double start_t=TimingHelpers::timer();
  
   // Find number of elements in mesh
   unsigned n_element=mesh_pt()->nelement();
  
   // Loop over the elements to set up element-specific things that cannot be
   // handled by constructor
   for (unsigned e=0; e<n_element; e++)
   {
     // Upcast from GeneralisedElement to the present element
     EXTRUDED_ELEMENT* el_pt=
       dynamic_cast<EXTRUDED_ELEMENT*>(mesh_pt()->element_pt(e));
  
     // Set the Reynolds number
     el_pt->re_pt()=&GlobalParameters::Re;
   }
  
   // Output the setup time to the screen
   oomph_info << "\nTime taken to complete build of elements [sec]: "
              << TimingHelpers::timer()-start_t << std::endl;
 } // End of complete_element_build

References e(), oomph::oomph_info, GlobalParameters::Re, oomph::NavierStokesEquations< DIM >::re_pt(), and oomph::TimingHelpers::timer().

◆ create_extruded_mesh()

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::create_extruded_mesh

private

Generate a 2D mesh and "extrude" it to create a 3D mesh.

Generate the extruded 3D mesh.

 {
   // Convert arguments to strings that specify the input file names
   const string node_file_name("triangle_meshes/box_hole.1.node");
   const string element_file_name("triangle_meshes/box_hole.1.ele");
   const string poly_file_name("triangle_meshes/box_hole.1.poly");
  
   // Record the start time
   double start_t=TimingHelpers::timer();
  
   // Create the bulk mesh
   RefineableQuadFromTriangleMesh<ELEMENT>* twod_mesh_pt=
     new RefineableQuadFromTriangleMesh<ELEMENT>(
     node_file_name,element_file_name,poly_file_name);
  
   // Record the end time and compute the mesh setup time
   oomph_info << "Time to generate quad mesh [sec]: "
              << TimingHelpers::timer()-start_t << std::endl;
  
   // Output the number of elements
   oomph_info << "\nNumber of quad mesh elements: " << twod_mesh_pt->nelement()
              << "\nNumber of quad mesh nodes: " << twod_mesh_pt->nnode()
              << std::endl;
  
   // Record the start time
   start_t=TimingHelpers::timer();
  
   // Create the extruded mesh
   Extruded_mesh_pt=new RefineableExtrudedCubeMeshFromQuadMesh<EXTRUDED_ELEMENT>(
     twod_mesh_pt,GlobalParameters::N_z,GlobalParameters::L_z);
  
   // Record the end time and compute the mesh setup time
   oomph_info << "Time to generate extruded mesh [sec]: "
              << TimingHelpers::timer()-start_t << std::endl;
  
   // Create/set error estimator
   Extruded_mesh_pt->spatial_error_estimator_pt()=new Z2ErrorEstimator;
  
   // Choose error tolerances to force some uniform refinement
   Extruded_mesh_pt->min_permitted_error()=1.0e-03;
   Extruded_mesh_pt->max_permitted_error()=3.0e-02;
  
   // Create the main mesh
   mesh_pt()=Extruded_mesh_pt;
  
   // Output the number of elements
   oomph_info << "\nNumber of extruded mesh elements: " << mesh_pt()->nelement()
              << "\nNumber of extruded mesh nodes: " << mesh_pt()->nnode()
              << std::endl;
 } // End of create_extruded_mesh

References GlobalParameters::L_z, GlobalParameters::N_z, oomph::Mesh::nelement(), oomph::Mesh::nnode(), oomph::oomph_info, and oomph::TimingHelpers::timer().

◆ doc_solution() [1/2]

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::doc_solution

Doc the solution.

 {
   // Stream to output the data to the output file
   std::ofstream some_file;
  
   // Storage for the filename
   char filename[200];
  
   // Number of plot points
   unsigned n_plot_point=2;
  
   // Output solution
   sprintf(filename,"%s/soln%i.dat",
           GlobalParameters::Doc_info.directory().c_str(),
           GlobalParameters::Doc_info.number());
  
   // Document the solution
   some_file.open(filename);
   mesh_pt()->output(some_file,n_plot_point);
   some_file.close();
  
   // Increment the counter
   GlobalParameters::Doc_info.number()++;
 } // End of doc_solution

References GlobalParameters::Doc_info, MergeRestartFiles::filename, and oomph::DocInfo::number().

◆ doc_solution() [2/2]

template<class ELEMENT , class MESH >

void MovingBlockProblem< ELEMENT, MESH >::doc_solution ( DocInfo & doc_info )

Doc the solution.

 { 
  ofstream some_file;
  char filename[100];
  
  // Number of plot points
  unsigned npts;
  npts=2; 
  
  // Output solution 
  sprintf(filename,"%s/soln%i.dat",doc_info.directory().c_str(),
      doc_info.number());
  some_file.open(filename);
  mesh_pt()->output(some_file,npts);
  some_file.close();
 } // end_of_doc_solution

References oomph::DocInfo::directory(), MergeRestartFiles::filename, and oomph::DocInfo::number().

◆ fix_pressure() [1/2]

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::fix_pressure	(	const unsigned &	e,
		const unsigned &	p_dof,
		const double &	p_value
	)

inlineprivate

Fix pressure in element e at pressure dof pdof and set to pvalue.

   {
     // Cast to full element type and fix the pressure at that element
     dynamic_cast<EXTRUDED_ELEMENT*>(mesh_pt()->element_pt(e))->
     fix_pressure(p_dof,p_value);
   } // End of fix_pressure

References e().

◆ fix_pressure() [2/2]

template<class ELEMENT >

void MovingBlockProblem< ELEMENT >::fix_pressure	(	const unsigned &	e,
		const unsigned &	pdof,
		const double &	pvalue
	)

inline

Fix pressure in element e at pressure dof pdof and set to pvalue.

   {
    // Cast to full element type and fix the pressure at that element
    dynamic_cast<ELEMENT*>(mesh_pt()->element_pt(e))->fix_pressure(pdof,pvalue);
   } // end of fix_pressure

References e().

Member Data Documentation

◆ Bulk_mesh_pt

template<class ELEMENT >

MESH* MovingBlockProblem< ELEMENT >::Bulk_mesh_pt

private

Pointer to the "bulk" mesh.

◆ Extruded_mesh_pt

template<class ELEMENT >

RefineableExtrudedCubeMeshFromQuadMesh<EXTRUDED_ELEMENT>* MovingBlockProblem< ELEMENT >::Extruded_mesh_pt

private

Pointer to the 3D "extruded" mesh.

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

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

template<class ELEMENT> class MovingBlockProblem< ELEMENT >

Member Typedef Documentation

◆ EXTRUDED_ELEMENT

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ MovingBlockProblem() [1/2]

◆ ~MovingBlockProblem() [1/2]

◆ MovingBlockProblem() [2/2]

◆ ~MovingBlockProblem() [2/2]

Member Function Documentation

◆ actions_after_adapt() [1/2]

◆ actions_after_adapt() [2/2]

◆ actions_after_newton_solve() [1/2]

◆ actions_after_newton_solve() [2/2]

◆ actions_before_newton_solve() [1/2]

◆ actions_before_newton_solve() [2/2]

◆ apply_boundary_conditions()

◆ complete_element_build()

◆ create_extruded_mesh()

◆ doc_solution() [1/2]

◆ doc_solution() [2/2]

◆ fix_pressure() [1/2]

◆ fix_pressure() [2/2]

Member Data Documentation

◆ Bulk_mesh_pt

◆ Extruded_mesh_pt

template<class ELEMENT>
class MovingBlockProblem< ELEMENT >