SphericalSteadyRotationProblem< ELEMENT > Class Template Reference

SteadyRotation problem in a sphere. More...

+ Inheritance diagram for SphericalSteadyRotationProblem< ELEMENT >:

Public Member Functions

 SphericalSteadyRotationProblem (const unsigned &nr, const unsigned &ntheta)
 Constructor. More...
 
 ~SphericalSteadyRotationProblem ()
 Destructor to clean up memory. More...
 
void fix_pressure (const unsigned &e, const unsigned &pdof, const double &pvalue)
 Fix pressure in element e at pressure dof pdof and set to pvalue. More...
 
void actions_after_newton_solve ()
 Update the after solve (empty) More...
 
void actions_before_newton_solve ()
 Update the problem specs before solve. More...
 
SimpleRectangularQuadMesh< ELEMENT > * mesh_pt ()
 
void parameter_study (std::ofstream &trace, const string &output_dir)
 Perform a timestepping study. 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

unsigned Nr
 
unsigned Ntheta
 Storage for number of elements in the theta direction. 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 SphericalSteadyRotationProblem< ELEMENT >

SteadyRotation problem in a sphere.

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

Constructor & Destructor Documentation

◆ SphericalSteadyRotationProblem()

template<class ELEMENT >
SphericalSteadyRotationProblem< ELEMENT >::SphericalSteadyRotationProblem ( const unsigned &  nr,
const unsigned &  ntheta 
)

Constructor.

Constructor for SphericalSteadyRotation problem.

170  : Nr(nr), Ntheta(ntheta)
171 {
172  // Setup mesh -don't forget to include the timestepping in the mesh build
173  //------------------------------------------------------------------------
174  // pi definition
175  double pi = MathematicalConstants::Pi;
176 
177  // # of elements in r-direction
178  unsigned n_x=nr;
179 
180  // # of elements in theta-direction
181  unsigned n_y=ntheta;
182 
183  // Domain length in r-direction
184  double l_x=1.0;
185 
186  // Domain length in theta-direction
187  double l_y=pi;
188 
189  // Build and assign mesh
190  Problem::mesh_pt() =
191  new SimpleRectangularQuadMesh<ELEMENT>(n_x,n_y,l_x,l_y);
192 
193  // Set the boundary conditions for this problem: All nodes are
194  // free by default -- just pin the ones that have Dirichlet conditions
195  // here.
196  const unsigned num_bound = mesh_pt()->nboundary();
197 
198  // Pin all three velocities on boundaries 1 and 3
199  for(unsigned ibound=1;ibound<num_bound;ibound = ibound + 2)
200  {
201  const unsigned num_nod= mesh_pt()->nboundary_node(ibound);
202  for (unsigned inod=0;inod<num_nod;inod++)
203  {
204  Node* nod_pt = mesh_pt()->boundary_node_pt(ibound,inod);
205  // Loop over values (u/v/w velocities)
206  for (unsigned i=0;i<3;i++) {nod_pt->pin(i);}
207 
208  //Set the velocity on the outer boundary
209  if(ibound==1)
210  {
211  double r = nod_pt->x(0); double theta = nod_pt->x(1);
212  nod_pt->set_value(2,r*sin(theta));
213  }
214  }
215  } // end loop over boundaries 1 and 3
216 
217  // Now pin the theta and phi velocities on boundaries 0 and 2
218  for(unsigned ibound=0;ibound<num_bound;ibound = ibound + 2)
219  {
220  const unsigned num_nod= mesh_pt()->nboundary_node(ibound);
221  for (unsigned inod=0;inod<num_nod;inod++)
222  {
223  // Loop over the theta- and phi-velocities
224  for (unsigned i=1; i<3; i++)
225  {
226  mesh_pt()->boundary_node_pt(ibound,inod)->pin(i);
227  }
228  }
229  } // end loop over boundaries 0 and 2
230  // end of set boundary conditions
231 
232 
233 
234  // Complete the build of all elements so they are fully functional
235  //================================================================
236 
237  //Find number of elements in mesh
238  const unsigned n_element = mesh_pt()->nelement();
239 
240  // Loop over the elements to set up element-specific
241  // things that cannot be handled by constructor
242  for(unsigned e=0;e<n_element;e++)
243  {
244  // Upcast from GeneralisedElement to the present element
245  ELEMENT* el_pt = dynamic_cast<ELEMENT*>(mesh_pt()->element_pt(e));
246 
247  //Set the Reynolds number
248  el_pt->re_pt() = &Global_Physical_Variables::Re;
249 
250  //Disable ALE
251  el_pt->disable_ALE();
252 
253  } // end loop over elements
254 
255  // Now set the first pressure value in element 0 to 0.0
256  fix_pressure(0,0,0.0);
257 
258  // Setup equation numbering scheme
259  cout <<"Number of equations: " << assign_eqn_numbers() << std::endl;
260 
261 } // end_of_constructor
AnnoyingScalar sin(const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:137
int i
Definition: BiCGSTAB_step_by_step.cpp:9
Array< double, 1, 3 > e(1./3., 0.5, 2.)
unsigned Nr
Definition: steady_rot.cc:157
unsigned Ntheta
Storage for number of elements in the theta direction.
Definition: steady_rot.cc:160
void fix_pressure(const unsigned &e, const unsigned &pdof, const double &pvalue)
Fix pressure in element e at pressure dof pdof and set to pvalue.
Definition: steady_rot.cc:127
SimpleRectangularQuadMesh< ELEMENT > * mesh_pt()
Definition: steady_rot.cc:143
void pin(const unsigned &i)
Pin the i-th stored variable.
Definition: nodes.h:385
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
unsigned long assign_eqn_numbers(const bool &assign_local_eqn_numbers=true)
Definition: problem.cc:1989
Definition: simple_rectangular_quadmesh.template.h:58
double Pi
Definition: two_d_biharmonic.cc:235
double theta
Definition: two_d_biharmonic.cc:236
double Re
Reynolds number.
Definition: fibre.cc:55
r
Definition: UniformPSDSelfTest.py:20
const Mdouble pi
Definition: ExtendedMath.h:23

References oomph::Problem::assign_eqn_numbers(), e(), SphericalSteadyRotationProblem< ELEMENT >::fix_pressure(), i, SphericalSteadyRotationProblem< ELEMENT >::mesh_pt(), constants::pi, BiharmonicTestFunctions2::Pi, oomph::Data::pin(), UniformPSDSelfTest::r, Global_Physical_Variables::Re, oomph::Data::set_value(), sin(), BiharmonicTestFunctions2::theta, and oomph::Node::x().

◆ ~SphericalSteadyRotationProblem()

template<class ELEMENT >
SphericalSteadyRotationProblem< ELEMENT >::~SphericalSteadyRotationProblem

Destructor to clean up memory.

Destructor for SphericalSteadyRotation problem.

269 {
270  //Delete the allocated mesh
271  delete Problem::mesh_pt();
272 } // end_of_destructor

Member Function Documentation

◆ actions_after_newton_solve()

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

Update the after solve (empty)

Reimplemented from oomph::Problem.

137 {}

◆ actions_before_newton_solve()

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

Update the problem specs before solve.

Reimplemented from oomph::Problem.

140 {}

◆ fix_pressure()

template<class ELEMENT >
void SphericalSteadyRotationProblem< ELEMENT >::fix_pressure ( const unsigned &  e,
const unsigned &  pdof,
const double &  pvalue 
)
inline

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

129  {
130  //Cast to full element type and fix the pressure at that element
131  dynamic_cast<ELEMENT*>(mesh_pt()->element_pt(e))->
132  fix_pressure(pdof,pvalue);
133  } // end of fix_pressure

References e().

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

◆ mesh_pt()

template<class ELEMENT >
SimpleRectangularQuadMesh<ELEMENT>* SphericalSteadyRotationProblem< ELEMENT >::mesh_pt ( )
inline
144  {
145  // Upcast from pointer to the Mesh base class to the specific
146  // element type that we're using here.
147  return dynamic_cast<SimpleRectangularQuadMesh<ELEMENT>*>(
148  Problem::mesh_pt());
149  }

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

◆ parameter_study()

template<class ELEMENT >
void SphericalSteadyRotationProblem< ELEMENT >::parameter_study ( std::ofstream &  trace,
const string &  output_dir 
)

Perform a timestepping study.

Timestep the problem with a given (fixed) timestep dt for nstep steps.

279 {
281 
282  //Store the number of elements
283  const unsigned n_element = this->mesh_pt()->nelement();
284 
285  ofstream junk;
286 
287  for(unsigned i=0;i<2;i++)
288  {
289  //Solve the problem
290  this->newton_solve();
291 
292 
293  //Output solution
294  ofstream some_file;
295  char filename[100];
296 
297  // Number of plot points
298  const unsigned npts=5;
299 
300  // Output solution
301  //-----------------
302  sprintf(filename,"soln_%s_%ix%i_%g.dat",
303  output_dir.c_str(),Nr,Ntheta,Global_Physical_Variables::Re);
304  some_file.open(filename);
305  mesh_pt()->output(some_file,npts);
306  some_file.close();
307 
308 
309  //Storage for the global velocity and pressure errors
310  double u_error = 0.0, u_norm = 0.0;
311  double p_error = 0.0, p_norm = 0.0;
312 
313  //Loop over the elements and compute the appropriate errors
314  for(unsigned e=0;e<n_element;e++)
315  {
316  //Local storage for the velocity and pressure errors and norms
317  double el_u_error=0.0, el_u_norm=0.0;
318  double el_p_error=0.0, el_p_norm=0.0;
319  dynamic_cast<ELEMENT*>(this->mesh_pt()->element_pt(e))->
320  compute_error_e(junk,ExactSolution::rigid_body_rotation,
323  el_u_error,el_u_norm,el_p_error,el_p_norm);
324 
325  //Add the elemental contribution to the global errors
326  u_error += el_u_error;
327  u_norm += el_u_norm;
328  p_error += el_p_error;
329  p_norm += el_p_norm;
330  }
331 
332 
333  //Output the velocity and pressure errors
334  trace << Global_Physical_Variables::Re << " "
335  << Nr << " " << Ntheta << " "
336  << std::sqrt(u_error) << " " << std::sqrt(u_norm) << " "
337  << std::sqrt(p_error) << " " << std::sqrt(p_norm) << std::endl;
338 
339 
340  //Increment the Reynolds number
342 
343  }
344 
345 }
AnnoyingScalar sqrt(const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:134
void newton_solve()
Use Newton method to solve the problem.
Definition: problem.cc:8783
void rigid_body_rotation_dtheta(const Vector< double > &x, Vector< double > &u)
The theta-derivative of the rigid-body rotation solution.
Definition: steady_rot.cc:90
void rigid_body_rotation(const Vector< double > &x, Vector< double > &u)
The rigid-body rotation solution.
Definition: steady_rot.cc:61
void rigid_body_rotation_dr(const Vector< double > &x, Vector< double > &u)
The r-derivative of the rigid-body rotation solution.
Definition: steady_rot.cc:75
string filename
Definition: MergeRestartFiles.py:39

References e(), MergeRestartFiles::filename, i, Global_Parameters::Nr, Global_Parameters::Ntheta, Global_Physical_Variables::Re, ExactSolution::rigid_body_rotation(), ExactSolution::rigid_body_rotation_dr(), ExactSolution::rigid_body_rotation_dtheta(), and sqrt().

Member Data Documentation

◆ Nr

template<class ELEMENT >
unsigned SphericalSteadyRotationProblem< ELEMENT >::Nr
private

◆ Ntheta

template<class ELEMENT >
unsigned SphericalSteadyRotationProblem< ELEMENT >::Ntheta
private

Storage for number of elements in the theta direction.


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