oomph::ODEProblem Class Reference

#include <ode_problem.h>

+ Inheritance diagram for oomph::ODEProblem:

Public Member Functions

 ODEProblem ()
 constructor More...
 
virtual ~ODEProblem ()
 
virtual void build (Vector< Mesh * > &bulk_mesh_pt)
 Perform set up of problem. More...
 
void my_set_initial_condition (const SolutionFunctorBase &ic)
 Assign initial conditions from function pointer. More...
 
virtual void write_additional_trace_headers (std::ofstream &trace_file) const
 
virtual void write_additional_trace_data (const unsigned &t_hist, std::ofstream &trace_file) const
 
virtual double get_error_norm (const unsigned &t_hist=0) const
 Error norm calculator. More...
 
Vector< double > exact_solution (const double &time) const
 
double global_temporal_error_norm ()
 Error norm: use abs(error in data). More...
 
Vector< double > trace_values (const unsigned &t_hist=0) const
 
ODEElement * element_pt ()
 
const ODEElement * element_pt () const
 
TimeStepper * ts_pt () const
 
unsigned nvalue () const
 
void output_solution (const unsigned &t, std::ostream &outstream, const unsigned &npoints=2) const
 
Vector< double > solution (const unsigned &timestep=0) const
 
- Public Member Functions inherited from oomph::MyProblem
 MyProblem ()
 Default constructor. More...
 
virtual ~MyProblem ()
 
double smart_time_step (double dt, const double &tol)
 
virtual bool finished () const
 
void get_solver_parameters (SolverParameters &sp)
 
void set_solver_parameters (SolverParameters &sp)
 
bool explicit_flag ()
 
bool is_steady ()
 
virtual void actions_before_newton_step ()
 
unsigned nnewton_step_this_solve () const
 
virtual void actions_before_explicit_stage ()
 
virtual void actions_after_explicit_stage ()
 
virtual void actions_before_time_integration ()
 
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_after_implicit_timestep ()
 
virtual void actions_before_implicit_timestep ()
 
virtual void actions_after_newton_step ()
 
virtual void actions_before_newton_solve ()
 
void segregated_pin_indices (const Vector< unsigned > &indices)
 
void undo_segregated_pinning ()
 Remove pinning set up by segregated_pin_indices. More...
 
void check_not_segregated (const char *function) const
 Check that nothing is currently pinned for a segregated solve. More...
 
void check_norm_limits ()
 
double min_element_size ()
 ??ds More...
 
void write_trace (const unsigned &t_hist=0)
 
virtual void output_solution (std::ofstream &soln_file) const
 Overload to write any problem specific data. More...
 
virtual void final_doc_additional () const
 
virtual void initial_doc_additional () const
 
void initial_doc ()
 
void final_doc ()
 
void doc_solution (const unsigned &t_hist=0, const std::string &prefix="")
 
virtual void doc_boundaries (const std::string &boundary_file_basename) const
 Output nodes with boundary number to csv file. More...
 
void output_solution (std::ostream &outstream, const unsigned &npoints=2) const
 
virtual void output_exact_solution (const unsigned &t_hist, std::ostream &outstream, const unsigned &npoints=2) const
 
virtual double get_solution_norm (const unsigned &t_hist=0) const
 Dummy solution norm calculator (overload in derived classes). More...
 
virtual bool should_doc_this_step (const double &dt, const double &time) const
 
void set_doc_times (Vector< double > &doc_times)
 Assign a vector of times to output the full solution at. More...
 
double lte_norm ()
 
bool doc_exact () const
 
void dump_current_mm_or_jacobian_residuals (const std::string &label)
 
IterativeLinearSolver * iterative_linear_solver_pt () const
 
const unsigned dim () const
 Get problem dimension (nodal dimension). More...
 
virtual std::string problem_name () const
 
virtual void set_up_impulsive_initial_condition ()
 Set all history values/dts to be the same as the present values/dt. More...
 
virtual void actions_after_set_initial_condition ()
 
virtual double integrate_over_problem (const ElementalFunction *func_pt, const Integral *quadrature_pt=0) const
 
virtual void dump (std::ofstream &dump_file) const
 
virtual void read (std::ifstream &restart_file)
 
void output_ltes (const unsigned &t_hist, std::ostream &output) const
 
Vector< double > exact_solution (const double &t, const Vector< double > &x) const
 Get exact 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)
 
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...
 

Public Attributes

bool Use_fd_jacobian
 
- Public Attributes inherited from oomph::MyProblem
MyDocInfo Doc_info
 
unsigned Output_precision
 
unsigned N_steps_taken
 
double Total_step_time
 
std::string Trace_filename
 
std::string Info_filename
 
double Error_norm_limit
 
double Solution_norm_limit
 
bool Disable_mass_matrix_solver_optimisations
 
bool Always_write_trace
 Should we output to trace file every step? More...
 
bool Want_doc_exact
 Should we try to output exact solution? More...
 
bool Should_doc_boundaries
 Should we output the locations of the boundary nodes? More...
 
bool Dump
 Should we dump ready for a restart? More...
 
bool Output_ltes
 Should we output the local truncation error at each node as well? More...
 
bool Output_predictor_values
 Should we output the predicted values too? More...
 
bool Output_initial_condition
 Should we write output for initial conditions as though they are time steps as well? More...
 
SolutionFunctorBase * Exact_solution_pt
 Function pointer for exact solution. More...
 
- 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_after_newton_solve ()
 
virtual void actions_before_newton_convergence_check ()
 
virtual void actions_after_implicit_timestep_and_error_estimation ()
 
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 ()
 
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::MyProblem
const std::string Trace_seperator
 
double Dummy_doc_data
 
unsigned Dim
 
- 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...
 

Constructor & Destructor Documentation

◆ ODEProblem()

oomph::ODEProblem::ODEProblem ( )
inline

constructor

62  {
63  // Don't output to trace file every step, often too many steps
64  Always_write_trace = false;
65 
66  Use_fd_jacobian = false;
67  }
bool Always_write_trace
Should we output to trace file every step?
Definition: my_problem.h:885
bool Use_fd_jacobian
Definition: ode_problem.h:242

References oomph::MyProblem::Always_write_trace, and Use_fd_jacobian.

◆ ~ODEProblem()

virtual oomph::ODEProblem::~ODEProblem ( )
inlinevirtual
69 {}

Member Function Documentation

◆ build()

virtual void oomph::ODEProblem::build ( Vector< Mesh * > &  bulk_mesh_pt)
inlinevirtual

Perform set up of problem.

Reimplemented from oomph::MyProblem.

72  {
73  // Call the underlying build
74  MyProblem::build(bulk_mesh_pt);
75 
76  // Set up the global mesh
78 
80 
81  // assign equation numbers
82  this->assign_eqn_numbers();
83  oomph_info << "Number of equations: " << ndof() << std::endl;
84  }
virtual void build(Vector< Mesh * > &bulk_mesh_pt)
Perform set up of problem.
Definition: my_problem.h:967
bool Use_fd_jacobian
Definition: ode_elements.h:182
ODEElement * element_pt()
Definition: ode_problem.h:169
unsigned long ndof() const
Return the number of dofs.
Definition: problem.h:1674
void build_global_mesh()
Definition: problem.cc:1493
unsigned long assign_eqn_numbers(const bool &assign_local_eqn_numbers=true)
Definition: problem.cc:1989
OomphInfo oomph_info
Definition: oomph_definitions.cc:319

References oomph::Problem::assign_eqn_numbers(), oomph::MyProblem::build(), oomph::Problem::build_global_mesh(), element_pt(), oomph::Problem::ndof(), oomph::oomph_info, Use_fd_jacobian, and oomph::ODEElement::Use_fd_jacobian.

◆ element_pt() [1/2]

ODEElement* oomph::ODEProblem::element_pt ( )
inline
170  {return checked_dynamic_cast<ODEElement*>(mesh_pt()->element_pt(0));}
Mesh *& mesh_pt()
Return a pointer to the global mesh.
Definition: problem.h:1280

References oomph::Problem::mesh_pt().

Referenced by build(), element_pt(), exact_solution(), nvalue(), and ts_pt().

◆ element_pt() [2/2]

const ODEElement* oomph::ODEProblem::element_pt ( ) const
inline
173  {return checked_dynamic_cast<ODEElement*>(mesh_pt()->element_pt(0));}

References element_pt(), and oomph::Problem::mesh_pt().

◆ exact_solution()

Vector<double> oomph::ODEProblem::exact_solution ( const double &  time) const
inline
150  {
151  ODEElement* el_pt = checked_dynamic_cast<ODEElement*>
152  (mesh_pt()->element_pt(0));
153  return el_pt->exact_solution(time);
154  }
double & time()
Return the current value of continuous time.
Definition: problem.cc:11531

References element_pt(), oomph::ODEElement::exact_solution(), oomph::Problem::mesh_pt(), and oomph::Problem::time().

Referenced by get_error_norm(), and write_additional_trace_data().

◆ get_error_norm()

virtual double oomph::ODEProblem::get_error_norm ( const unsigned &  t_hist = 0) const
inlinevirtual

Error norm calculator.

Reimplemented from oomph::MyProblem.

142  {
143  Vector<double> val = trace_values(t_hist);
144  Vector<double> exact = exact_solution(time_pt()->time(t_hist));
145 
147  }
Vector< double > trace_values(const unsigned &t_hist=0) const
Definition: ode_problem.h:164
Vector< double > exact_solution(const double &time) const
Definition: ode_problem.h:149
Time *& time_pt()
Return a pointer to the global time object.
Definition: problem.h:1504
val
Definition: calibrate.py:119
double two_norm(const Vector< double > &a)
Definition: ode_problem.h:41
Vector< double > vector_diff(const Vector< double > &a, const Vector< double > &b)
Definition: ode_problem.h:46

References exact_solution(), oomph::Problem::time(), oomph::Problem::time_pt(), trace_values(), oomph::VectorHelpers::two_norm(), calibrate::val, and oomph::VectorHelpers::vector_diff().

◆ global_temporal_error_norm()

double oomph::ODEProblem::global_temporal_error_norm ( )
inlinevirtual

Error norm: use abs(error in data).

Reimplemented from oomph::Problem.

158  {
159  Data* dat_pt=mesh_pt()->element_pt(0)->internal_data_pt(0);
160 
161  return std::abs(ts_pt()->temporal_error_in_value(dat_pt, 0));
162  }
AnnoyingScalar abs(const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:135
Data *& internal_data_pt(const unsigned &i)
Return a pointer to i-th internal data object.
Definition: elements.h:622
GeneralisedElement *& element_pt(const unsigned long &e)
Return pointer to element e.
Definition: mesh.h:448
TimeStepper * ts_pt() const
Definition: ode_problem.h:175

References abs(), oomph::Mesh::element_pt(), oomph::GeneralisedElement::internal_data_pt(), oomph::Problem::mesh_pt(), and ts_pt().

◆ my_set_initial_condition()

void oomph::ODEProblem::my_set_initial_condition ( const SolutionFunctorBase &  ic)
inlinevirtual

Assign initial conditions from function pointer.

Reimplemented from oomph::MyProblem.

87  {
88  // Loop over current & previous timesteps
89  const unsigned nprev_values = time_stepper_pt()->nprev_values();
90  for(unsigned t=0; t<nprev_values+1; t++)
91  {
92  double time = time_pt()->time(t);
93 
94  std::cout << "setting IC at time =" << time << std::endl;
95 
96  // Get + set the (only) value
97  Vector<double> dummy(nvalue(), 1.0);
98  Vector<double> values = ic(time, dummy);
99 
100  for(unsigned j=0, nj=nvalue(); j<nj; j++)
101  {
103  ->set_value(t, j, values[j]);
104  }
105  }
106 
108  }
void set_value(const unsigned &i, const double &value_)
Definition: nodes.h:271
virtual void actions_after_set_initial_condition()
Definition: my_problem.h:1113
unsigned nvalue() const
Definition: ode_problem.h:180
TimeStepper *& time_stepper_pt()
Definition: problem.h:1524
virtual unsigned nprev_values() const =0
Number of previous values available: 0 for static, 1 for BDF<1>,...
double & time()
Return the current value of the continuous time.
Definition: timesteppers.h:123
t
Definition: plotPSD.py:36
std::ptrdiff_t j
Definition: tut_arithmetic_redux_minmax.cpp:2

References oomph::MyProblem::actions_after_set_initial_condition(), oomph::Mesh::element_pt(), oomph::GeneralisedElement::internal_data_pt(), j, oomph::Problem::mesh_pt(), oomph::TimeStepper::nprev_values(), nvalue(), oomph::Data::set_value(), plotPSD::t, oomph::Problem::time(), oomph::Time::time(), oomph::Problem::time_pt(), and oomph::Problem::time_stepper_pt().

◆ nvalue()

unsigned oomph::ODEProblem::nvalue ( ) const
inline
181  {
182  return element_pt()->nvalue();
183  }
unsigned nvalue() const
Definition: ode_elements.h:76

References element_pt(), and oomph::ODEElement::nvalue().

Referenced by my_set_initial_condition(), and solution().

◆ output_solution()

void oomph::ODEProblem::output_solution ( const unsigned &  t,
std::ostream &  outstream,
const unsigned &  npoints = 2 
) const
inlinevirtual

Standard output function: loop over all elements in all meshes and output.

Reimplemented from oomph::MyProblem.

188  {
189  // Create a temporary vector to store the exact solution
190  Vector<double> output_vector=solution(t);
191 
192  // Vector length
193  unsigned output_vector_length=output_vector.size();
194 
195  // Output the vector (to the command window)
196  if (output_vector_length==0)
197  {
198  std::cout << Trace_seperator << "[]";
199  }
200  else
201  {
202  std::cout << Trace_seperator << "[" << output_vector[0];
203  if (output_vector_length>1)
204  {
205  for (unsigned i=1;i<output_vector_length;i++)
206  {
207  std::cout << ", " << output_vector[i];
208  }
209  }
210  std::cout << "]";
211  }
212 
213  // Output the vector (to outstream)
214  if (output_vector_length==0)
215  {
216  outstream << Trace_seperator << "[]";
217  }
218  else
219  {
220  outstream << Trace_seperator << "[" << output_vector[0];
221  if (output_vector_length>1)
222  {
223  for (unsigned i=1;i<output_vector_length;i++)
224  {
225  outstream << ", " << output_vector[i];
226  }
227  }
228  outstream << "]";
229  }
230 
231  // npoints is ignored
232  }
int i
Definition: BiCGSTAB_step_by_step.cpp:9
const std::string Trace_seperator
Definition: my_problem.h:926
Vector< double > solution(const unsigned &timestep=0) const
Definition: ode_problem.h:234
void output_vector(const Vector< myType > &given_vector)
Definition: crdoublematrix_copy_constructor.cc:49

References i, output_vector(), solution(), plotPSD::t, and oomph::MyProblem::Trace_seperator.

◆ solution()

Vector<double> oomph::ODEProblem::solution ( const unsigned &  timestep = 0) const
inline
235  {
236  Data* dat_pt=mesh_pt()->element_pt(0)->internal_data_pt(0);
237  Vector<double> solution(nvalue(), 0.0);
238  dat_pt->value(timestep, solution);
239  return solution;
240  }

References oomph::Mesh::element_pt(), oomph::GeneralisedElement::internal_data_pt(), oomph::Problem::mesh_pt(), nvalue(), and oomph::Data::value().

Referenced by output_solution(), and trace_values().

◆ trace_values()

Vector<double> oomph::ODEProblem::trace_values ( const unsigned &  t_hist = 0) const
inlinevirtual

Reimplemented from oomph::MyProblem.

165  {
166  return solution(t_hist);
167  }

References solution().

Referenced by get_error_norm().

◆ ts_pt()

TimeStepper* oomph::ODEProblem::ts_pt ( ) const
inline
176  {
178  }
TimeStepper *& time_stepper_pt()
Return the pointer to the timestepper.
Definition: nodes.h:238

References element_pt(), oomph::GeneralisedElement::internal_data_pt(), and oomph::Data::time_stepper_pt().

Referenced by global_temporal_error_norm().

◆ write_additional_trace_data()

virtual void oomph::ODEProblem::write_additional_trace_data ( const unsigned &  t_hist,
std::ofstream &  trace_file 
) const
inlinevirtual

Overload to write problem specific data into trace file. Note: don't add any line endings, seperate data with the Trace_seperator string (BEFORE each data entry).

Reimplemented from oomph::MyProblem.

117  {
118  // Create a temporary vector to store the exact solution
119  Vector<double> output_vector=exact_solution(time_pt()->time(t_hist));
120 
121  // Output the vector
122  unsigned output_vector_length=output_vector.size();
123  if (output_vector_length==0)
124  {
125  trace_file << Trace_seperator << "[]";
126  }
127  else
128  {
129  trace_file << Trace_seperator << "[" << output_vector[0];
130  if (output_vector_length>1)
131  {
132  for (unsigned i=1;i<output_vector_length;i++)
133  {
134  trace_file << ", " << output_vector[i];
135  }
136  }
137  trace_file << "]";
138  }
139  }

References exact_solution(), i, output_vector(), oomph::Problem::time(), oomph::Problem::time_pt(), and oomph::MyProblem::Trace_seperator.

◆ write_additional_trace_headers()

virtual void oomph::ODEProblem::write_additional_trace_headers ( std::ofstream &  trace_file) const
inlinevirtual

Overload to write problem specific headers into trace file. Note: don't add any line endings, seperate headers with the Trace_seperator string (BEFORE each data entry).

Reimplemented from oomph::MyProblem.

111  {
112  trace_file << Trace_seperator << "exact";
113  }

References oomph::MyProblem::Trace_seperator.

Member Data Documentation

◆ Use_fd_jacobian

bool oomph::ODEProblem::Use_fd_jacobian

Referenced by build(), and ODEProblem().


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