FallingBlockProblem< ELEMENT > Class Template Reference

Micky mouse problem. More...

+ Inheritance diagram for FallingBlockProblem< ELEMENT >:

Public Member Functions

 FallingBlockProblem ()
 Constructor. More...
 
 ~FallingBlockProblem ()
 Destructor (empty) More...
 
void snap_onto_sphere ()
 Snap the boundary nodes onto the sphere. More...
 
void actions_after_adapt ()
 Totally new mesh, need to fix it. More...
 
void actions_before_newton_solve ()
 Update the problem specs before solve: (Re)set boundary conditions. More...
 
void actions_after_newton_solve ()
 Update the problem specs before solve (empty) More...
 
RefineableTetgenMesh< ELEMENT > * mesh_pt ()
 
void doc_solution (const unsigned &nplot, DocInfo &doc_info)
 Doc the solution. More...
 
double get_dissipation ()
 Calculate the fluid dissipation. 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 ()
 

Public Attributes

TetMeshFacetedClosedSurface * Outer_boundary_pt
 Storage for the outer boundary object. More...
 
Vector< TetMeshFacetedSurface * > Inner_boundary_pt
 
- Public Attributes inherited from oomph::Problem
bool Shut_up_in_newton_solve
 

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_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 FallingBlockProblem< ELEMENT >

Micky mouse problem.

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

Constructor & Destructor Documentation

◆ FallingBlockProblem()

template<class ELEMENT >
FallingBlockProblem< ELEMENT >::FallingBlockProblem

Constructor.

Constructor for FallingBlock problem.

674 {
675  //Let's have stupidly high tolerance
676  //Newton_solver_tolerance = 1000;
677 
678  //Add a steady time stepper
679  this->add_time_stepper_pt(new Steady<0>);
680 
681  //Make the outer boundary object
683  Outer_boundary_pt->output("outer.dat");
684 
685  //Create the inner boundary object
686  Inner_boundary_pt.resize(1);
688  Inner_boundary_pt[0]->output("inner.dat");
689 
690  Problem::mesh_pt() =
692  Inner_boundary_pt,2.0,
693  this->time_stepper_pt(),
694  true);
695 
696  // Set error estimator for bulk mesh
698  mesh_pt()->spatial_error_estimator_pt()=error_estimator_pt;
699 
700  // Set targets for spatial adaptivity
701  mesh_pt()->max_permitted_error()=0.005;
702  mesh_pt()->min_permitted_error()=0.001;
703  mesh_pt()->max_element_size()=1.0;
704  mesh_pt()->min_element_size()=0.001;
705 
706  // Use coarser mesh during validation
708  {
709  mesh_pt()->max_element_size()=2.0;
710  mesh_pt()->min_element_size()=0.1;
711  }
712 
713  // Set the boundary conditions for this problem
714  // Only on the "outer boundaries"
715  unsigned num_bound = mesh_pt()->nboundary();
716  for(unsigned ibound=0;ibound<num_bound;ibound++)
717  {
718  unsigned final_index = 3;
719  //Do no pin the outlet z-velocity
720  if(ibound==3) {final_index = 2;}
721  unsigned num_nod= mesh_pt()->nboundary_node(ibound);
722  for (unsigned inod=0;inod<num_nod;inod++)
723  {
724  for(unsigned i=0;i<final_index;++i)
725  {
726  mesh_pt()->boundary_node_pt(ibound,inod)->pin(i);
727  }
728  }
729  }
730 
731  // Complete the build of all elements so they are fully functional
732 
733  //Find number of elements in mesh
734  unsigned n_element = mesh_pt()->nelement();
735 
736  // Loop over the elements to set up element-specific
737  // things that cannot be handled by constructor
738  for(unsigned i=0;i<n_element;i++)
739  {
740  // Upcast from GeneralElement to the present element
741  ELEMENT* el_pt = dynamic_cast<ELEMENT*>(mesh_pt()->element_pt(i));
742 
743  //Set the source function pointer
744  el_pt->re_pt() = &Global_Parameters::Re;
745  }
746 
747  //Loop over the elements in region 1
748  /*unsigned n_inner = mesh_pt()->nregion_element(1);
749  for(unsigned e=0;e<n_inner;++e)
750  {
751  // Upcast from GeneralElement to the present element
752  ELEMENT* el_pt = dynamic_cast<ELEMENT*>(mesh_pt()->region_element_pt(1,e));
753 
754  //Set the source function pointer
755  el_pt->viscosity_ratio_pt() = &Global_Parameters::Visc_Ratio;
756  }*/
757 
758  // Setup equation numbering scheme
759  cout <<"Number of equations: " << assign_eqn_numbers() << std::endl;
760 
761 }
int i
Definition: BiCGSTAB_step_by_step.cpp:9
RefineableTetgenMesh< ELEMENT > * mesh_pt()
Definition: uns_adapt_3d.cc:635
TetMeshFacetedClosedSurface * Outer_boundary_pt
Storage for the outer boundary object.
Definition: uns_adapt_3d.cc:661
Vector< TetMeshFacetedSurface * > Inner_boundary_pt
Definition: uns_adapt_3d.cc:663
TetMeshFacetedSurface that defines inner boundary.
Definition: uns_adapt_3d.cc:61
CubicTetMeshFacetedClosedSurface from (+/- half width)^2 x +/- half length.
Definition: tetmesh_faceted_surfaces.h:66
void add_time_stepper_pt(TimeStepper *const &time_stepper_pt)
Definition: problem.cc:1545
unsigned long assign_eqn_numbers(const bool &assign_local_eqn_numbers=true)
Definition: problem.cc:1989
TimeStepper *& time_stepper_pt()
Definition: problem.h:1524
Definition: uns_adapt_3d_fs.cc:86
void output(std::ostream &outfile) const
Output.
Definition: tet_mesh.h:392
Definition: error_estimator.h:266
double Re
reynolds number
Definition: adaptive_hopf.cc:54
Z2ErrorEstimator * error_estimator_pt
Definition: MortaringCantileverCompareToNonMortaring.cpp:190
bool command_line_flag_has_been_set(const std::string &flag)
Definition: oomph_utilities.cc:501

References oomph::CommandLineArgs::command_line_flag_has_been_set(), MeshRefinement::error_estimator_pt, i, oomph::TetMeshFacetedSurface::output(), and Global_Parameters::Re.

◆ ~FallingBlockProblem()

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

Destructor (empty)

506  {
507  //Delete the objects
508  unsigned nh = Inner_boundary_pt.size();
509  for(unsigned h=0;h<nh;++h)
510  {
511  delete Inner_boundary_pt[h];
512  }
513  delete Outer_boundary_pt;
514  }

Member Function Documentation

◆ actions_after_adapt()

template<class ELEMENT >
void FallingBlockProblem< ELEMENT >::actions_after_adapt ( )
inlinevirtual

Totally new mesh, need to fix it.

Reimplemented from oomph::Problem.

554  {
555  // Set the boundary conditions for this problem
556  // Only on the "outer boundaries"
557  unsigned num_bound = mesh_pt()->nboundary();
558  for(unsigned ibound=0;ibound<num_bound;ibound++)
559  {
560  unsigned final_index = 3;
561  //Do no pin the outlet z-velocity
562  if(ibound==3) {final_index = 2;}
563  unsigned num_nod= mesh_pt()->nboundary_node(ibound);
564  for (unsigned inod=0;inod<num_nod;inod++)
565  {
566  for(unsigned i=0;i<final_index;++i)
567  {
568  mesh_pt()->boundary_node_pt(ibound,inod)->pin(i);
569  }
570  }
571  }
572 
573  // Complete the build of all elements so they are fully functional
574 
575  //Find number of elements in mesh
576  unsigned n_element = mesh_pt()->nelement();
577 
578  // Loop over the elements to set up element-specific
579  // things that cannot be handled by constructor
580  for(unsigned i=0;i<n_element;i++)
581  {
582  // Upcast from GeneralElement to the present element
583  ELEMENT* el_pt = dynamic_cast<ELEMENT*>(mesh_pt()->element_pt(i));
584 
585  //Set the source function pointer
586  el_pt->re_pt() = &Global_Parameters::Re;
587  }
588  }

References i, and Global_Parameters::Re.

◆ actions_after_newton_solve()

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

Update the problem specs before solve (empty)

Reimplemented from oomph::Problem.

631 {}

◆ actions_before_newton_solve()

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

Update the problem specs before solve: (Re)set boundary conditions.

Reimplemented from oomph::Problem.

594  {
595  //Loop over the boundaries
596  unsigned num_bound = mesh_pt()->nboundary();
597  for(unsigned ibound=0;ibound<num_bound;ibound++)
598  {
599  //Don't boundary 3's z-coordinates
600  unsigned final_index = 3;
601  if(ibound==3) {final_index = 2;}
602 
603  // Loop over the nodes on boundary
604  unsigned num_nod=mesh_pt()->nboundary_node(ibound);
605  for (unsigned inod=0;inod<num_nod;inod++)
606  {
607  Node* nod_pt=mesh_pt()->boundary_node_pt(ibound,inod);
608  for(unsigned i=0;i<final_index;++i) {nod_pt->set_value(i,0.0);}
609  }
610  }
611 
612  //Now set a Poiseuille like inflow
613  {
614  using namespace Global_Parameters;
615 
616  // Loop over the nodes on boundary
617  unsigned num_nod=mesh_pt()->nboundary_node(6);
618  for (unsigned inod=0;inod<num_nod;inod++)
619  {
620  Node* nod_pt=mesh_pt()->boundary_node_pt(6,inod);
621  double x = nod_pt->x(0);
622  double y = nod_pt->x(1);
623  double u = (Box_width-x)*(Box_width+x)*(Box_width-y)*(Box_width+y);
624 
625  nod_pt->set_value(2,u);
626  }
627  }
628  }
void set_value(const unsigned &i, const double &value_)
Definition: nodes.h:271
Definition: nodes.h:906
double & x(const unsigned &i)
Return the i-th nodal coordinate.
Definition: nodes.h:1060
Scalar * y
Definition: level1_cplx_impl.h:128
Namespace for global parameters.
Definition: axisym_linear_elasticity/cylinder/cylinder.cc:44
double Box_width
Definition: uns_adapt_3d.cc:46
list x
Definition: plotDoE.py:28

References Global_Parameters::Box_width, i, oomph::Data::set_value(), plotDoE::x, oomph::Node::x(), and y.

◆ doc_solution()

template<class ELEMENT >
void FallingBlockProblem< ELEMENT >::doc_solution ( const unsigned &  nplot,
DocInfo &  doc_info 
)

Doc the solution.

771 {
772 
773  ofstream some_file;
774  char filename[100];
775 
776  // Doc local node numbering
777  //-------------------------
778  sprintf(filename,"%s/node_numbering%i.dat",doc_info.directory().c_str(),
779  doc_info.number());
780  some_file.open(filename);
781  FiniteElement* el_pt=mesh_pt()->finite_element_pt(0);
782  unsigned nnode=el_pt->nnode();
783  unsigned ndim=el_pt->node_pt(0)->ndim();
784  for (unsigned j=0;j<nnode;j++)
785  {
786  for (unsigned i=0;i<ndim;i++)
787  {
788  some_file << el_pt->node_pt(j)->x(i) << " " ;
789  }
790  some_file << j << std::endl;
791  }
792  some_file.close();
793 
794  // Output boundaries
795  //------------------
796  sprintf(filename,"%s/boundaries%i.dat",doc_info.directory().c_str(),
797  doc_info.number());
798  some_file.open(filename);
799  mesh_pt()->output_boundaries(some_file);
800  some_file.close();
801 
802 
803  // Output solution
804  //----------------
805  sprintf(filename,"%s/soln%i.dat",doc_info.directory().c_str(),
806  doc_info.number());
807  some_file.open(filename);
808  mesh_pt()->output(some_file,nplot);
809  some_file.close();
810 
811 
812 
813 } // end of doc
std::string directory() const
Output directory.
Definition: oomph_utilities.h:524
unsigned & number()
Number used (e.g.) for labeling output files.
Definition: oomph_utilities.h:554
Definition: elements.h:1313
Node *& node_pt(const unsigned &n)
Return a pointer to the local node n.
Definition: elements.h:2175
unsigned nnode() const
Return the number of nodes.
Definition: elements.h:2210
unsigned ndim() const
Return (Eulerian) spatial dimension of the node.
Definition: nodes.h:1054
string filename
Definition: MergeRestartFiles.py:39
std::ptrdiff_t j
Definition: tut_arithmetic_redux_minmax.cpp:2

References oomph::DocInfo::directory(), MergeRestartFiles::filename, i, j, oomph::Node::ndim(), oomph::FiniteElement::nnode(), oomph::FiniteElement::node_pt(), oomph::DocInfo::number(), and oomph::Node::x().

◆ get_dissipation()

template<class ELEMENT >
double FallingBlockProblem< ELEMENT >::get_dissipation ( )
inline

Calculate the fluid dissipation.

646  {
647  double dissipation=0.0;
648  const unsigned n_element = this->mesh_pt()->nelement();
649  for(unsigned e=0;e<n_element;e++)
650  {
651  //Cast to a fluid element
652  ELEMENT *el_pt =
653  dynamic_cast<ELEMENT*>(this->mesh_pt()->element_pt(e));
654  //Add to the dissipation
655  dissipation += el_pt->dissipation();
656  }
657  return dissipation;
658  }
Array< double, 1, 3 > e(1./3., 0.5, 2.)

References e().

◆ mesh_pt()

template<class ELEMENT >
RefineableTetgenMesh<ELEMENT>* FallingBlockProblem< ELEMENT >::mesh_pt ( )
inline
636  {
637  return dynamic_cast<RefineableTetgenMesh<ELEMENT>*>(Problem::mesh_pt());
638  }

◆ snap_onto_sphere()

template<class ELEMENT >
void FallingBlockProblem< ELEMENT >::snap_onto_sphere ( )
inline

Snap the boundary nodes onto the sphere.

518  {
519  this->mesh_pt()->output("pre_moved.dat",5);
520  std::ofstream nodes("moved_nodes.dat");
521 
522  unsigned n_bound = mesh_pt()->nboundary_node(0);
523  for(unsigned n=0;n<n_bound;++n)
524  {
525  Node* nod_pt = mesh_pt()->boundary_node_pt(0,n);
526  double x = nod_pt->x(0);
527  double y = nod_pt->x(1);
528  double z = nod_pt->x(2);
529 
530  nodes << x << " " << y << " " << z << " ";
531 
532  //Now let's snap by calculating the angle
533  double r = sqrt(x*x + y*y + z*z);
534  double theta = acos(z/r);
535  double phi = atan2(y,x);
536 
537  nodes << r << " " << theta << " " << phi << " ";
538 
539  //Do the snapping
540  double R_new = sqrt(1.0 + 0.5*0.5*(1.0 + sqrt(5.0))*(1.0 + sqrt(5.0)));
541  nod_pt->x(0) = R_new*sin(theta)*cos(phi);
542  nod_pt->x(1) = R_new*sin(theta)*sin(phi);
543  nod_pt->x(2) = R_new*cos(theta);
544 
545  nodes << nod_pt->x(0) << " " << nod_pt->x(1) << " " << nod_pt->x(2) << "\n";
546  }
547  nodes.close();
548  this->mesh_pt()->output("post_moved.dat",5);
549  }
AnnoyingScalar cos(const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:136
AnnoyingScalar atan2(const AnnoyingScalar &y, const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:139
AnnoyingScalar acos(const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:138
AnnoyingScalar sin(const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:137
AnnoyingScalar sqrt(const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:134
const unsigned n
Definition: CG3DPackingUnitTest.cpp:11
double theta
Definition: two_d_biharmonic.cc:236
r
Definition: UniformPSDSelfTest.py:20

References acos(), atan2(), cos(), n, UniformPSDSelfTest::r, sin(), sqrt(), BiharmonicTestFunctions2::theta, plotDoE::x, oomph::Node::x(), and y.

Member Data Documentation

◆ Inner_boundary_pt

template<class ELEMENT >
Vector<TetMeshFacetedSurface*> FallingBlockProblem< ELEMENT >::Inner_boundary_pt

◆ Outer_boundary_pt

template<class ELEMENT >
TetMeshFacetedClosedSurface* FallingBlockProblem< ELEMENT >::Outer_boundary_pt

Storage for the outer boundary object.


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