Inheritance diagram for DiskOscillationProblem< ELEMENT >:

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

void	actions_after_newton_solve ()
	Update function (empty) More...

void	actions_before_newton_solve ()
	Update function (empty) More...

ElasticRefineableQuarterCircleSectorMesh< ELEMENT > *	mesh_pt ()
	Access function for the solid mesh. More...

void	run (const unsigned &nstep)
	Run the problem: Pass number of timesteps to be performed. 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 ()

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 ()

Private Attributes
ofstream	Trace_file
	Trace file. More...

Vector< Node * >	Trace_node_pt
	Vector of pointers to nodes whose position we're tracing. More...

AxisymOscillatingDisk *	IC_geom_object_pt
	Geometric object that specifies the initial conditions. 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 DiskOscillationProblem< ELEMENT >

////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// Problem class to simulate small-amplitude oscillations of a circular disk.

Constructor & Destructor Documentation

◆ DiskOscillationProblem()

template<class ELEMENT >

DiskOscillationProblem< ELEMENT >::DiskOscillationProblem

Constructor.

 {
  
  // Allocate the timestepper: The classical Newmark scheme with
  // two history values.
  add_time_stepper_pt(new Newmark<2>);
  
  
  
  // GeomObject that specifies the curvilinear boundary of the
  // circular disk
  GeomObject* curved_boundary_pt=new Ellipse(1.0,1.0);
  
  //The start and end intrinsic coordinates on the geometric object
  // that defines the curvilinear boundary of the disk
  double xi_lo=0.0;
  double xi_hi=2.0*atan(1.0);
  
  // Fraction along geometric object at which the radial dividing line
  // is placed
  double fract_mid=0.5;
  
  //Now create the mesh
  Problem::mesh_pt()= new ElasticRefineableQuarterCircleSectorMesh<ELEMENT>(
   curved_boundary_pt,xi_lo,fract_mid,xi_hi,time_stepper_pt());
  
  
  // Setup trace nodes as the nodes on boundaries 0 (= horizontal symmetry
  // boundary) and 1 (=curved boundary)
  unsigned nnod0=mesh_pt()->nboundary_node(0);
  unsigned nnod1=mesh_pt()->nboundary_node(1);
  Trace_node_pt.resize(nnod0+nnod1);
  for (unsigned j=0;j<nnod0;j++)
   {
  
    Trace_node_pt[j]=mesh_pt()->boundary_node_pt(0,j);
  
   }
  for (unsigned j=0;j<nnod1;j++)
   {
  
    Trace_node_pt[j+nnod0]=mesh_pt()->boundary_node_pt(1,j);
  
   } //done choosing trace nodes
  
  
  // Pin the horizontal boundary in the vertical direction
  unsigned n_hor = mesh_pt()->nboundary_node(0);
  for(unsigned i=0;i<n_hor;i++)
   {
    mesh_pt()->boundary_node_pt(0,i)->pin_position(1);
   }
  
  // Pin the vertical boundary in the horizontal direction
  unsigned n_vert = mesh_pt()->nboundary_node(2);
  for(unsigned i=0;i<n_vert;i++)
   {
  
    mesh_pt()->boundary_node_pt(2,i)->pin_position(0);
  
   } // done bcs
  
  
  //Finish build of elements
  unsigned n_element =mesh_pt()->nelement();
  for(unsigned i=0;i<n_element;i++)
   {
    //Cast to a solid element
    ELEMENT *el_pt = dynamic_cast<ELEMENT*>(mesh_pt()->element_pt(i));
  
    //Set the constitutive law
    el_pt->constitutive_law_pt() =
     Global_Physical_Variables::Constitutive_law_pt;
    
    // Set the timescale ratio
    el_pt->lambda_sq_pt()=&Global_Physical_Variables::Lambda_sq;
   }
  
  // Refine uniformly
  mesh_pt()->refine_uniformly();
  
  // Assign equation numbers
  assign_eqn_numbers();
  
 } // end constructor

References Eigen::bfloat16_impl::atan(), Global_Physical_Variables::Constitutive_law_pt, i, j, and Global_Physical_Variables::Lambda_sq.

Member Function Documentation

◆ actions_after_newton_solve()

template<class ELEMENT >

void DiskOscillationProblem< ELEMENT >::actions_after_newton_solve ( )

inlinevirtual

Update function (empty)

Reimplemented from oomph::Problem.

423 {}

◆ actions_before_newton_solve()

template<class ELEMENT >

void DiskOscillationProblem< ELEMENT >::actions_before_newton_solve ( )

inlinevirtual

Update function (empty)

Reimplemented from oomph::Problem.

426 {}

◆ doc_solution()

template<class ELEMENT >

void DiskOscillationProblem< ELEMENT >::doc_solution ( DocInfo & doc_info )

Doc the solution.

 {
  
  ofstream some_file, some_file2;
  char filename[100];
  
  // Number of plot points
  unsigned npts;
  npts=5; 
  
  // Output shape of deformed body
  //------------------------------
  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();
  
  
  // Write trace file
  //-----------------
  
  // Get position on IC object (exact solution)
  Vector<double> r_exact(2);
  Vector<double> xi(2);
  xi[0]=1.0;
  xi[1]=0.0;
  IC_geom_object_pt->position(xi,r_exact);
  
  // Exact outer radius for linear elasticity
  double exact_r=r_exact[0]; 
  
  // Add to trace file
  Trace_file << time_pt()->time()  << " " 
             << exact_r << " ";
  
  // Doc radii of control nodes
  unsigned ntrace_node=Trace_node_pt.size();
  for (unsigned j=0;j<ntrace_node;j++)
   {
    Trace_file << sqrt(pow(Trace_node_pt[j]->x(0),2)+
                       pow(Trace_node_pt[j]->x(1),2)) << " ";
   }
  Trace_file << std::endl;
  
  
  // Get displacement as a function of the radial coordinate
  //--------------------------------------------------------
  // along boundary 0
  //-----------------
  {
   // Number of elements along boundary 0:
   unsigned nelem=mesh_pt()->nboundary_element(0);
  
   // Open files
   sprintf(filename,"%s/displ_along_line%i.dat",doc_info.directory().c_str(),
           doc_info.number());
   some_file.open(filename);
  
   ofstream some_file2;
   sprintf(filename,"%s/exact_displ_along_line%i.dat",
           doc_info.directory().c_str(),
           doc_info.number());
   some_file2.open(filename);
   
   Vector<double> s(2);
   Vector<double> x(2);
   Vector<double> dxdt(2);
   Vector<double> xi(2);
   Vector<double> r_exact(2);
   Vector<double> v_exact(2);
  
   for (unsigned e=0;e<nelem;e++)
    {
     some_file << "ZONE " << std::endl;
     some_file2 << "ZONE " << std::endl;
  
     for (unsigned i=0;i<npts;i++)
      {
       // Move along bottom edge of element
       s[0]=-1.0+2.0*double(i)/double(npts-1);
       s[1]=-1.0;
  
       // Get pointer to element
       SolidFiniteElement* el_pt=dynamic_cast<SolidFiniteElement*>
        (mesh_pt()->boundary_element_pt(0,e));
       
       // Get Lagrangian coordinate
       el_pt->interpolated_xi(s,xi);
  
       // Get Eulerian coordinate
       el_pt->interpolated_x(s,x);
  
       // Get velocity 
       el_pt->interpolated_dxdt(s,1,dxdt);
  
       // Get exact Eulerian position
       IC_geom_object_pt->position(xi,r_exact);
  
       // Get exact velocity
       IC_geom_object_pt->veloc(xi,v_exact);
   
       // Plot radial distance and displacement
       some_file << xi[0] << " " << x[0]-xi[0] << " " 
                 << dxdt[0] << std::endl;
  
       some_file2 << xi[0] << " " << r_exact[0]-xi[0] << " " 
                  << v_exact[0] << std::endl;
  
      }
    }
   some_file.close(); 
   some_file2.close();
  
  } // end line output
  
  
  // Get displacement (exact and computed) throughout domain
  //--------------------------------------------------------
  {
   // Number of elements
   unsigned nelem=mesh_pt()->nelement();
  
   // Open files
   sprintf(filename,"%s/displ%i.dat",doc_info.directory().c_str(),
           doc_info.number());
   some_file.open(filename);
  
   sprintf(filename,"%s/exact_displ%i.dat",
           doc_info.directory().c_str(),
           doc_info.number());
   some_file2.open(filename);
   
   Vector<double> s(2);
   Vector<double> x(2);
   Vector<double> dxdt(2);
   Vector<double> xi(2);
   Vector<double> r_exact(2);
   Vector<double> v_exact(2);
  
   for (unsigned e=0;e<nelem;e++)
    {
     some_file << "ZONE I=" << npts << ", J="<< npts <<  std::endl;
     some_file2  << "ZONE I=" << npts << ", J="<< npts <<  std::endl;
  
     for (unsigned i=0;i<npts;i++)
      {
       s[0]=-1.0+2.0*double(i)/double(npts-1);
       for (unsigned j=0;j<npts;j++)
        {
         s[1]=-1.0+2.0*double(j)/double(npts-1);
  
         // Get pointer to element
         SolidFiniteElement* el_pt=dynamic_cast<SolidFiniteElement*>
          (mesh_pt()->element_pt(e));
         
         // Get Lagrangian coordinate
         el_pt->interpolated_xi(s,xi);
         
         // Get Eulerian coordinate
         el_pt->interpolated_x(s,x);
         
         // Get velocity 
         el_pt->interpolated_dxdt(s,1,dxdt);
         
         // Get exact Eulerian position
         IC_geom_object_pt->position(xi,r_exact);
         
         // Get exact velocity
         IC_geom_object_pt->veloc(xi,v_exact);
         
         // Plot Lagrangian position, displacement and velocity
         some_file << xi[0] << " " << xi[1] << " " 
                   << x[0]-xi[0] << " " << x[1]-xi[1] << " " 
                   << dxdt[0] << " " <<  dxdt[1] << std::endl;
         
         
         some_file2 << xi[0] << " " << xi[1] << " " 
                    << r_exact[0]-xi[0] << " " << r_exact[1]-xi[1] << " " 
                    << v_exact[0]  << " " << v_exact[1] << std::endl;
         
        }
      }
    }
   some_file.close(); 
   some_file2.close(); 
  }
  
  
 }

References oomph::DocInfo::directory(), e(), MergeRestartFiles::filename, i, oomph::FiniteElement::interpolated_dxdt(), oomph::FiniteElement::interpolated_x(), oomph::SolidFiniteElement::interpolated_xi(), j, oomph::DocInfo::number(), Eigen::ArrayBase< Derived >::pow(), s, sqrt(), oomph::Problem_Parameter::Trace_file, and plotDoE::x.

◆ mesh_pt()

template<class ELEMENT >

ElasticRefineableQuarterCircleSectorMesh<ELEMENT>* DiskOscillationProblem< ELEMENT >::mesh_pt ( )

inline

Access function for the solid mesh.

   {
    return dynamic_cast<ElasticRefineableQuarterCircleSectorMesh<ELEMENT>*>(
     Problem::mesh_pt());
   } 

◆ run()

template<class ELEMENT >

void DiskOscillationProblem< ELEMENT >::run ( const unsigned & nstep )

Run the problem: Pass number of timesteps to be performed.

 {
  
  // Output
  DocInfo doc_info;
  
  // Output directory
  doc_info.set_directory("RESLT");
  
  // Open trace file
  char filename[100];   
  sprintf(filename,"%s/trace.dat",doc_info.directory().c_str());
  Trace_file.open(filename);
  
  // Initialise time
  double time0=1.0;
  time_pt()->time()=time0;
  
  // Set timestep
  double dt=0.01; 
  time_pt()->initialise_dt(dt);
  
   // Create geometric object that specifies the initial conditions:
  
  // Amplitude of the oscillation
  double ampl=0.005;
  
  // Build the GeomObject
  IC_geom_object_pt=new AxisymOscillatingDisk(ampl,
                                              Global_Physical_Variables::Nu,
                                              time_stepper_pt()); 
  
  // Turn into object that specifies the initial conditions:
  SolidInitialCondition* IC_pt = new SolidInitialCondition(IC_geom_object_pt);
  
  // Assign initial condition 
  SolidMesh::Solid_IC_problem.set_newmark_initial_condition_consistently(
   this,mesh_pt(),time_stepper_pt(),IC_pt,dt,
   Global_Physical_Variables::multiplier); 
  
  // Doc initial state
  doc_solution(doc_info);
  doc_info.number()++;
  
  //Timestepping loop
  for(unsigned i=0;i<nstep;i++)
   {
    unsteady_newton_solve(dt);
    doc_solution(doc_info);
    doc_info.number()++;
   }
  
 } // end of run

References oomph::DocInfo::directory(), MergeRestartFiles::filename, i, Global_Physical_Variables::multiplier(), Global_Physical_Variables::Nu, oomph::DocInfo::number(), oomph::DocInfo::set_directory(), and oomph::Problem_Parameter::Trace_file.

Member Data Documentation

◆ IC_geom_object_pt

template<class ELEMENT >

AxisymOscillatingDisk* DiskOscillationProblem< ELEMENT >::IC_geom_object_pt

private

Geometric object that specifies the initial conditions.

◆ Trace_file

template<class ELEMENT >

ofstream DiskOscillationProblem< ELEMENT >::Trace_file

private

Trace file.

◆ Trace_node_pt

template<class ELEMENT >

Vector<Node*> DiskOscillationProblem< ELEMENT >::Trace_node_pt

private

Vector of pointers to nodes whose position we're tracing.

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

disk_oscillation.cc

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

template<class ELEMENT> class DiskOscillationProblem< ELEMENT >

Constructor & Destructor Documentation

◆ DiskOscillationProblem()

Member Function Documentation

◆ actions_after_newton_solve()

◆ actions_before_newton_solve()

◆ doc_solution()

◆ mesh_pt()

◆ run()

Member Data Documentation

◆ IC_geom_object_pt

◆ Trace_file

◆ Trace_node_pt

template<class ELEMENT>
class DiskOscillationProblem< ELEMENT >