Entry flow problem in quarter tube domain. More...

Inheritance diagram for SolidFreeSurfaceRotationProblem< ELEMENT >:

Public Member Functions
	SolidFreeSurfaceRotationProblem (DocInfo &doc_info, const double &min_error_target, const double &max_error_target, const unsigned &hijack_flag)
	Constructor: Pass DocInfo object and target errors. More...

	~SolidFreeSurfaceRotationProblem ()
	Destructor to clean up memory (empty) More...

void	set_positions_from_lagrangian_coordinates ()
	Set the positions to be exactly equal to the lagrangian coordinates. More...

void	create_volume_constraint_elements ()
	Create the volume constraint elements. More...

void	doc_solution ()
	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 ()

virtual void	actions_after_adapt ()
	Actions that are to be performed after a mesh adaptation. More...

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 ()

Public Attributes
DocInfo	Doc_info
	Doc info object. More...

Public Attributes inherited from oomph::Problem
bool	Shut_up_in_newton_solve

Private Attributes
double	Volume
	The volume of the fluid. More...

ConstitutiveLaw *	Constitutive_law_pt

AxialSolidQuarterTubeMesh< ELEMENT, ElasticSurfaceFluidInterfaceElement< ELEMENT > > *	Bulk_mesh_pt
	Storage for the Bulk Mesh. More...

Mesh *	Free_surface_mesh_pt
	The mesh of free surface elements. More...

Mesh *	Free_surface_bounding_mesh_pt
	Storage for the elements on the free surface boundary. More...

Mesh *	Volume_computation_mesh_pt
	Storage for the elements that compute the enclosed fluid volume. More...

Mesh *	Volume_constraint_mesh_pt
	Storage for the volume constraint element. More...

Data *	External_pressure_data_pt
	Storage for the external pressure. More...

Data *	Traded_pressure_data_pt
	Storage for the pressure that is traded for the volume constraint. 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...

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_solve ()

virtual void	actions_after_newton_solve ()

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 SolidFreeSurfaceRotationProblem< ELEMENT >

Entry flow problem in quarter tube domain.

Constructor & Destructor Documentation

◆ SolidFreeSurfaceRotationProblem()

template<class ELEMENT >

SolidFreeSurfaceRotationProblem< ELEMENT >::SolidFreeSurfaceRotationProblem	(	DocInfo &	doc_info,
		const double &	min_error_target,
		const double &	max_error_target,
		const unsigned &	hijack_flag
	)

Constructor: Pass DocInfo object and target errors.

Constructor: Pass DocInfo object and error targets.

  : Volume(atan(1.0)), Doc_info(doc_info)
 {
  
  //Create a pointer to the external pressure
  External_pressure_data_pt = new Data(1);
  External_pressure_data_pt->set_value(0,0.0);
  //Add the external pressure to the global data
  add_global_data(External_pressure_data_pt);
  
  //Set the contact angle
  const double pi = MathematicalConstants::Pi;
  Global_Physical_Variables::Angle = 0.5*pi;
  
  // Setup the mesh:
  //----------------
  
  // Create geometric objects: Elliptical tube with half axes = radius = 1.0
  double radius=1.0;
  GeomObject* Wall_pt=new EllipticalTube(radius,radius);
  
  // Boundaries on object
  Vector<double> xi_lo(2);
  // height of inflow
  xi_lo[0]=0.0;
  // start of Wall_pt
  xi_lo[1]=0.0;
  
  Vector<double> xi_hi(2);
  // height of outflow
  xi_hi[0]=1.0;
  // end of Wall_pt
  xi_hi[1]=0.5*MathematicalConstants::Pi;
  
  // # of layers
  unsigned nlayer=1;
  
  //Radial divider is located half-way along the circumference
  double frac_mid=0.5;
  
  // Build and assign mesh
  Bulk_mesh_pt = new AxialSolidQuarterTubeMesh<ELEMENT,
   ElasticSurfaceFluidInterfaceElement<ELEMENT> >
   (Wall_pt,xi_lo,frac_mid,xi_hi,nlayer);
  
  // Set error estimator 
  Z2ErrorEstimator* error_estimator_pt=new Z2ErrorEstimator;
  Bulk_mesh_pt->spatial_error_estimator_pt()=error_estimator_pt;
  
  // Error targets for adaptive refinement
  Bulk_mesh_pt->max_permitted_error()=max_error_target; 
  Bulk_mesh_pt->min_permitted_error()=min_error_target; 
  
  //Set the boundary conditions
  
  //Boundary 0 is the bottom of the domain (pinned)
  {
   unsigned b = 0;
   unsigned n_node = Bulk_mesh_pt->nboundary_node(b);
   for(unsigned n=0;n<n_node;n++)
    {
     for(unsigned i=0;i<3;i++) 
      {
       Bulk_mesh_pt->boundary_node_pt(b,n)->pin(i);
      }
     //Pin the z position of the bottom
     static_cast<SolidNode*>(Bulk_mesh_pt->boundary_node_pt(b,n))
      ->pin_position(2);
    }
  }
  
  //Boundary 1 is the boundary x is zero, so pin the x-velocity
  {
   unsigned b = 1;
   unsigned n_node = Bulk_mesh_pt->nboundary_node(b);
   for(unsigned n=0;n<n_node;n++)
    {
     Bulk_mesh_pt->boundary_node_pt(b,n)->pin(0);
     static_cast<SolidNode*>(Bulk_mesh_pt->boundary_node_pt(b,n))
      ->pin_position(0);
   }
  }
  
  //Boundary 2 is the boundary y=0, so pin the y-velocity
  //otherwise free
  {
   unsigned b = 2;
   unsigned n_node = Bulk_mesh_pt->nboundary_node(b);
   for(unsigned n=0;n<n_node;n++)
    {
     Bulk_mesh_pt->boundary_node_pt(b,n)->pin(1);
     static_cast<SolidNode*>(Bulk_mesh_pt->boundary_node_pt(b,n))
      ->pin_position(1);
    }
  }
  
  //Boundary 3 is the wall, so pinned in all coordinates
  {
   unsigned b = 3;
   unsigned n_node = Bulk_mesh_pt->nboundary_node(b);
   for(unsigned n=0;n<n_node;n++)
    {
     for(unsigned i=0;i<3;i++)
      {
       Bulk_mesh_pt->boundary_node_pt(b,n)->pin(i);
      }
     
     for(unsigned i=0;i<2;i++)
      {
       static_cast<SolidNode*>(Bulk_mesh_pt->boundary_node_pt(b,n))
        ->pin_position(i);
      }
    }
  }
  
  //Boundary 4 is the top, so it's traction free
  
  //Set the constitutive law
  Constitutive_law_pt = new GeneralisedHookean(&Global_Physical_Variables::Nu);
  
  // Loop over the elements to set up element-specific 
  // things that cannot be handled by constructor
  unsigned n_element = Bulk_mesh_pt->nbulk();
  for(unsigned i=0;i<n_element;i++)
   {
    // Upcast from GeneralisedElement to the present element
    ELEMENT* el_pt = dynamic_cast<ELEMENT*>(Bulk_mesh_pt->bulk_element_pt(i));
  
    el_pt->constitutive_law_pt() = Constitutive_law_pt;
   }
  
  // Pin redudant pressure dofs. This must be done before
  // pinning the single pressure does because it unpins things
  RefineableNavierStokesEquations<3>::
   pin_redundant_nodal_pressures(Bulk_mesh_pt->bulk_element_pt());
   
  //If not hijacking the internal pressure
  if(hijack_flag==0)
   {
    //We trade for the external pressu
    Traded_pressure_data_pt = External_pressure_data_pt;
  
    // Since the external pressure is "traded" for the volume constraint,
    // it no longer sets the overall pressure, and we 
    // can add an arbitrary constant to all pressures. To make 
    // the solution unique, we pin a single pressure value in the bulk: 
    // We arbitrarily set the pressure dof 0 in element 0 to zero.
    dynamic_cast<ELEMENT*>(Bulk_mesh_pt->bulk_element_pt(0))
     ->fix_pressure(0,0.0); 
   }
  //Otherwise we are hijacking an internal value
  else 
   {
    // The external pressure is pinned -- the external pressure
    // sets the pressure throughout the domain -- we do not have
    // the liberty to fix another pressure value!
    External_pressure_data_pt->pin(0);
    
    //If the flag is one, it's Taylor hood (hijack the nodal value)
    if(hijack_flag==1)
     {
     //Hijack one of the pressure values in the fluid and use it 
     //as the pressure whose value is determined by the volume constraint.
     //(Its value will affect the residual of that element but it will not
     //be determined by it, i.e. it's hijacked).
     Traded_pressure_data_pt = dynamic_cast<ELEMENT*>(
      Bulk_mesh_pt->bulk_element_pt(0))->hijack_nodal_value(0,3);
     }
    //Otherwise hijack internal
    else
    {
     //Hijack one of the pressure values in the fluid and use it 
     //as the pressure whose value is determined by the volume constraint.
     //(Its value will affect the residual of that element but it will not
     //be determined by it, i.e. it's hijacked).
     Traded_pressure_data_pt = dynamic_cast<ELEMENT*>(
      Bulk_mesh_pt->bulk_element_pt(0))->hijack_internal_value(0,0);
    }
   }
  
  
  //Loop over the interface elements and set the capillary number
  unsigned n_interface = Bulk_mesh_pt->ninterface_element();
  for(unsigned e=0;e<n_interface;e++)
   {
    ElasticSurfaceFluidInterfaceElement<ELEMENT>* el_pt
     = dynamic_cast<ElasticSurfaceFluidInterfaceElement<ELEMENT>*>(
      Bulk_mesh_pt->interface_element_pt(e));
    
    //set the capillary number
    el_pt->ca_pt() =  &Global_Physical_Variables::Ca;
    //Set the external pressure
    el_pt->set_external_pressure_data(External_pressure_data_pt);
   }
  
  //Create the volume constraint elements
  create_volume_constraint_elements();
  
  //Add the mesh to the global mesh
  this->add_sub_mesh(Bulk_mesh_pt);
  this->add_sub_mesh(Volume_computation_mesh_pt);
  this->add_sub_mesh(Volume_constraint_mesh_pt);
  
  this->build_global_mesh();
  
  //Attach the boundary conditions to the mesh
  cout <<"Number of equations: " << assign_eqn_numbers() << std::endl; 
  
  
 } // end_of_constructor

References oomph::Problem::add_global_data(), oomph::Problem::add_sub_mesh(), Global_Physical_Variables::Angle, oomph::Problem::assign_eqn_numbers(), b, oomph::Problem::build_global_mesh(), AxialSolidQuarterTubeMesh< ELEMENT, INTERFACE_ELEMENT >::bulk_element_pt(), SolidFreeSurfaceRotationProblem< ELEMENT >::Bulk_mesh_pt, Global_Physical_Variables::Ca, oomph::FluidInterfaceElement::ca_pt(), SolidFreeSurfaceRotationProblem< ELEMENT >::Constitutive_law_pt, SolidFreeSurfaceRotationProblem< ELEMENT >::create_volume_constraint_elements(), e(), MeshRefinement::error_estimator_pt, SolidFreeSurfaceRotationProblem< ELEMENT >::External_pressure_data_pt, i, AxialSolidQuarterTubeMesh< ELEMENT, INTERFACE_ELEMENT >::interface_element_pt(), n, AxialSolidQuarterTubeMesh< ELEMENT, INTERFACE_ELEMENT >::nbulk(), AxialSolidQuarterTubeMesh< ELEMENT, INTERFACE_ELEMENT >::ninterface_element(), Global_Physical_Variables::Nu, constants::pi, BiharmonicTestFunctions2::Pi, oomph::Data::pin(), UniformPSDSelfTest::radius, oomph::FluidInterfaceElement::set_external_pressure_data(), oomph::Data::set_value(), SolidFreeSurfaceRotationProblem< ELEMENT >::Traded_pressure_data_pt, SolidFreeSurfaceRotationProblem< ELEMENT >::Volume_computation_mesh_pt, and SolidFreeSurfaceRotationProblem< ELEMENT >::Volume_constraint_mesh_pt.

◆ ~SolidFreeSurfaceRotationProblem()

template<class ELEMENT >

SolidFreeSurfaceRotationProblem< ELEMENT >::~SolidFreeSurfaceRotationProblem ( )

inline

Destructor to clean up memory (empty)

251 {}

Member Function Documentation

◆ create_volume_constraint_elements()

template<class ELEMENT >

void SolidFreeSurfaceRotationProblem< ELEMENT >::create_volume_constraint_elements

Create the volume constraint elements.

Create the volume constraint elements on all boundaries surrounding the volume

 {
  //The single volume constraint element
  Volume_constraint_mesh_pt = new Mesh;
  VolumeConstraintElement* vol_constraint_element = 
   new VolumeConstraintElement(&Volume,Traded_pressure_data_pt,0);
  Volume_constraint_mesh_pt->add_element_pt(vol_constraint_element);
  
  //Now create the volume computation elements
  Volume_computation_mesh_pt = new Mesh;
  
  //Loop over all boundaries (or a subset why?)
  for(unsigned b=0;b<5;b++)
   {
    // How many bulk fluid elements are adjacent to boundary b?
    unsigned n_element = Bulk_mesh_pt->nboundary_element(b);
    
    // Loop over the bulk fluid elements adjacent to boundary b?
    for(unsigned e=0;e<n_element;e++)
     {
      // Get pointer to the bulk fluid element that is 
      // adjacent to boundary b
      ELEMENT* bulk_elem_pt = dynamic_cast<ELEMENT*>(
       Bulk_mesh_pt->boundary_element_pt(b,e));
      
      //Find the index of the face of element e along boundary b
      int face_index = Bulk_mesh_pt->face_index_at_boundary(b,e);
      
      // Create new element
      ElasticSurfaceVolumeConstraintBoundingElement<ELEMENT>* el_pt =
       new ElasticSurfaceVolumeConstraintBoundingElement<ELEMENT>(
        bulk_elem_pt,face_index);   
      
      //Set the "master" volume control element
      el_pt->set_volume_constraint_element(vol_constraint_element);
      
      // Add it to the mesh
      Volume_computation_mesh_pt->add_element_pt(el_pt);     
     }
   }
 }

References b, e(), oomph::Mesh::nboundary_element(), oomph::VolumeConstraintBoundingElement::set_volume_constraint_element(), and Global_Physical_Variables::Volume.

Referenced by SolidFreeSurfaceRotationProblem< ELEMENT >::SolidFreeSurfaceRotationProblem().

◆ doc_solution()

template<class ELEMENT >

void SolidFreeSurfaceRotationProblem< ELEMENT >::doc_solution

Doc the solution.

 { 
  
  ofstream some_file;
  char filename[100];
  
  // Number of plot points
  unsigned npts;
  npts=5; 
  
  // Output solution 
  sprintf(filename,"%s/soln%i.dat",Doc_info.directory().c_str(),
          Doc_info.number());
  some_file.open(filename);
  unsigned n_element = Bulk_mesh_pt->nbulk();
  for(unsigned i=0;i<n_element;i++)
   {
    ELEMENT* el_pt = dynamic_cast<ELEMENT*>(Bulk_mesh_pt->bulk_element_pt(i));
    el_pt->output(some_file,npts);
   }
  some_file.close();
  
  std::cout << "Pext " << External_pressure_data_pt->value(0) << std::endl;
  
 } // end_of_doc_solution

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

◆ set_positions_from_lagrangian_coordinates()

template<class ELEMENT >

void SolidFreeSurfaceRotationProblem< ELEMENT >::set_positions_from_lagrangian_coordinates ( )

inline

Set the positions to be exactly equal to the lagrangian coordinates.

   {
    unsigned n_node = Bulk_mesh_pt->nnode();
    for(unsigned n=0;n<n_node;n++)
     {
      SolidNode* solid_nod_pt = 
       static_cast<SolidNode*>(Bulk_mesh_pt->node_pt(n));
      for(unsigned i=0;i<3;i++) {solid_nod_pt->x(i) = 
        solid_nod_pt->xi(i);}
     }
   }