InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT > Class Template Reference
+ Inheritance diagram for InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >:

Public Member Functions

 InclinedPlaneProblem (const unsigned &nx, const unsigned &ny, const double &length)
 Generic Constructor (empty) More...
 
void solve_steady ()
 Solve the steady problem. More...
 
void timestep (const double &dt, const unsigned &n_tsteps)
 Take n_tsteps timesteps of size dt. More...
 
void actions_before_implicit_timestep ()
 
void make_traction_elements ()
 
void make_free_surface_elements ()
 
void complete_build ()
 
 ~InclinedPlaneProblem ()
 Generic desructor to clean up the memory allocated in the problem. 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...
 
OomphCommunicatorcommunicator_pt ()
 access function to the oomph-lib communicator More...
 
const OomphCommunicatorcommunicator_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 ()
 
LinearSolvermass_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...
 
Timetime_pt () const
 Return a pointer to the global time object (const version). More...
 
doubletime ()
 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 TimeSteppertime_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...
 
doubleminimum_dt ()
 Access function to min timestep in adaptive timestepping. More...
 
doublemaximum_dt ()
 Access function to max timestep in adaptive timestepping. More...
 
unsignedmax_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...
 
doublemax_residuals ()
 
booltime_adaptive_newton_crash_on_solve_fail ()
 Access function for Time_adaptive_newton_crash_on_solve_fail. More...
 
doublenewton_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...
 
doubleglobal_dof_pt (const unsigned &i)
 
doubledof (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...
 
doubledof_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...
 
booluse_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 Problemmake_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 ()
 
doublebifurcation_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 ()
 
intsign_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 ()
 

Protected Attributes

MeshBulk_mesh_pt
 Bulk fluid mesh. More...
 
MeshTraction_mesh_pt
 Mesh for the traction elements that are added at inlet and outlet. More...
 
MeshSurface_mesh_pt
 Mesh for the free surface elements. More...
 
MeshPoint_mesh_pt
 Mesh for the point elements at each end of the free surface. More...
 
std::string Output_prefix
 Prefix for output files. More...
 
- Protected Attributes inherited from oomph::Problem
Vector< Problem * > Copy_of_problem_pt
 
std::map< double *, boolCalculate_dparameter_analytic
 
bool Calculate_hessian_products_analytic
 
LinearAlgebraDistributionDof_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< doubleMax_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< doubleDof_derivative
 Storage for the derivative of the problem variables wrt arc-length. More...
 
Vector< doubleDof_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
 
OomphCommunicatorCommunicator_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
 

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_solve ()
 
virtual void actions_after_newton_solve ()
 
virtual void actions_before_newton_convergence_check ()
 
virtual void actions_before_newton_step ()
 
virtual void actions_after_newton_step ()
 
virtual void actions_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)
 
doubledof_derivative (const unsigned &i)
 
doubledof_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 ()
 
- 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 INTERFACE_ELEMENT>
class InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >

Generic problem class that will form the base class for both spine and elastic mesh-updates of the problem. Templated by the bulk element and interface element types

Constructor & Destructor Documentation

◆ InclinedPlaneProblem()

template<class ELEMENT , class INTERFACE_ELEMENT >
InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::InclinedPlaneProblem ( const unsigned nx,
const unsigned ny,
const double length 
)
inline

Generic Constructor (empty)

162  :
163  Output_prefix("Unset") { }
std::string Output_prefix
Prefix for output files.
Definition: inclined_plane.cc:156

◆ ~InclinedPlaneProblem()

template<class ELEMENT , class INTERFACE_ELEMENT >
InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::~InclinedPlaneProblem ( )
inline

Generic desructor to clean up the memory allocated in the problem.

386  {
387  //Clear node storage before the mesh can be deleted,
388  //to avoid double deletion
390  //Then delete the mesh
391  delete this->Point_mesh_pt;
392  //Clear node storage and then delete mesh
394  delete this->Surface_mesh_pt;
395  //Clear node storage and then delete mesh
397  delete this->Traction_mesh_pt;
398  //Delete the bulk mesh (no need to clear node storage)
399  delete this->Bulk_mesh_pt;
400  //Delete the time stepper
401  delete this->time_stepper_pt();
402  }
Mesh * Bulk_mesh_pt
Bulk fluid mesh.
Definition: inclined_plane.cc:144
Mesh * Traction_mesh_pt
Mesh for the traction elements that are added at inlet and outlet.
Definition: inclined_plane.cc:147
Mesh * Surface_mesh_pt
Mesh for the free surface elements.
Definition: inclined_plane.cc:150
Mesh * Point_mesh_pt
Mesh for the point elements at each end of the free surface.
Definition: inclined_plane.cc:153
void flush_node_storage()
Definition: mesh.h:430
TimeStepper *& time_stepper_pt()
Definition: problem.h:1524

References oomph::Mesh::flush_node_storage().

Member Function Documentation

◆ actions_before_implicit_timestep()

template<class ELEMENT , class INTERFACE_ELEMENT >
void InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::actions_before_implicit_timestep ( )
inlinevirtual

Actions before the timestep (update the time-dependent boundary conditions)

Reimplemented from oomph::Problem.

174  {
175  //Read out the current time
176  double time = this->time_pt()->time();
177  //Now add a temporary sinusoidal suction and blowing to the base
178  //Amplitude of the perturbation
179  double epsilon = 0.01;
180  //Loop over the nodes on the base
181  unsigned n_node = this->Bulk_mesh_pt->nboundary_node(0);
182  for(unsigned n=0;n<n_node;n++)
183  {
184  Node* nod_pt = this->Bulk_mesh_pt->boundary_node_pt(0,n);
185  double arg = Global_Physical_Variables::K*nod_pt->x(0);
186  double value = sin(arg)*epsilon*time*exp(-time);
187  nod_pt->set_value(1,value);
188  }
189  } //end_of_actions_before_implicit_timestep
AnnoyingScalar sin(const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:137
const unsigned n
Definition: CG3DPackingUnitTest.cpp:11
void set_value(const unsigned &i, const double &value_)
Definition: nodes.h:271
unsigned long nboundary_node(const unsigned &ibound) const
Return number of nodes on a particular boundary.
Definition: mesh.h:833
Node *& boundary_node_pt(const unsigned &b, const unsigned &n)
Return pointer to node n on boundary b.
Definition: mesh.h:493
Definition: nodes.h:906
double & x(const unsigned &i)
Return the i-th nodal coordinate.
Definition: nodes.h:1060
Time *& time_pt()
Return a pointer to the global time object.
Definition: problem.h:1504
double & time()
Return the current value of continuous time.
Definition: problem.cc:11531
double & time()
Return the current value of the continuous time.
Definition: timesteppers.h:123
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 exp(const bfloat16 &a)
Definition: BFloat16.h:615
squared absolute value
Definition: GlobalFunctions.h:87
double K
The ratio of adsorption-desorption times.
Definition: rayleigh_instability_soluble_surfactant.cc:100
double epsilon
Definition: osc_ring_sarah_asymptotics.h:43

References oomph::Mesh::boundary_node_pt(), oomph::SarahBL::epsilon, Eigen::bfloat16_impl::exp(), Global_Physical_Variables::K, n, oomph::Mesh::nboundary_node(), oomph::Data::set_value(), sin(), Eigen::value, and oomph::Node::x().

◆ complete_build()

template<class ELEMENT , class INTERFACE_ELEMENT >
void InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::complete_build ( )
inline

Complete the build of the problem setting all standard parameters and boundary conditions

301  {
302  using namespace Global_Physical_Variables;
303 
304  //Complete the build of the fluid elements by passing physical parameters
305  //Find the number of bulk elements
306  unsigned n_element = Bulk_mesh_pt->nelement();
307  //Loop over all the fluid elements
308  for(unsigned e=0;e<n_element;e++)
309  {
310  //Cast to a fluid element
311  ELEMENT *temp_pt = dynamic_cast<ELEMENT*>(Bulk_mesh_pt->element_pt(e));
312 
313  //Set the Reynolds number
314  temp_pt->re_pt() = &Re;
315  //The Strouhal number is 1, so ReSt = Re
316  temp_pt->re_st_pt() = &Re;
317  //Set the Reynolds number / Froude number
318  temp_pt->re_invfr_pt() = &ReInvFr;
319  //Set the direction of gravity
320  temp_pt->g_pt() = &G;
321  }
322 
323  //------------Set the boundary conditions for this problem----------
324 
325  {
326  //Determine whether we are solving an elastic problem or not
327  bool elastic = false;
328  if(dynamic_cast<SolidNode*>(Bulk_mesh_pt->node_pt(0))) {elastic=true;}
329 
330  //Loop over the bottom of the mesh (the wall of the channel)
331  unsigned n_node = Bulk_mesh_pt->nboundary_node(0);
332  for(unsigned j=0;j<n_node;j++)
333  {
334  //Pin the u- and v- velocities
337 
338  //If we are formulating the elastic problem pin both positions
339  //of nodes
340  if(elastic)
341  {
342  static_cast<SolidNode*>(Bulk_mesh_pt->boundary_node_pt(0,j))
343  ->pin_position(0);
344  static_cast<SolidNode*>(Bulk_mesh_pt->boundary_node_pt(0,j))
345  ->pin_position(1);
346  }
347  }
348 
349  //Loop over the inlet and set the Dirichlet condition
350  //of no vertical velocity
351  n_node = Bulk_mesh_pt->nboundary_node(3);
352  for(unsigned j=0;j<n_node;j++)
353  {
355 
356  //If elastic pin horizontal position of nodes
357  if(elastic)
358  {
359  static_cast<SolidNode*>(Bulk_mesh_pt->boundary_node_pt(3,j))
360  ->pin_position(0);
361  }
362  }
363 
364  //Loop over the outlet and set the Dirichlet condition
365  //of no vertical velocity
366  n_node = Bulk_mesh_pt->nboundary_node(1);
367  for(unsigned j=0;j<n_node;j++)
368  {
370 
371  //If elastic pin horizontal position
372  if(elastic)
373  {
374  static_cast<SolidNode*>(Bulk_mesh_pt->boundary_node_pt(1,j))
375  ->pin_position(0);
376  }
377  }
378  }
379 
380  //Attach the boundary conditions to the mesh
381  std::cout << assign_eqn_numbers() << " in the main problem" << std::endl;
382  } //end of complete_build
Array< double, 1, 3 > e(1./3., 0.5, 2.)
JacobiRotation< float > G
Definition: Jacobi_makeGivens.cpp:2
void pin(const unsigned &i)
Pin the i-th stored variable.
Definition: nodes.h:385
GeneralisedElement *& element_pt(const unsigned long &e)
Return pointer to element e.
Definition: mesh.h:448
Node *& node_pt(const unsigned long &n)
Return pointer to global node n.
Definition: mesh.h:436
unsigned long nelement() const
Return number of elements in the mesh.
Definition: mesh.h:590
unsigned long assign_eqn_numbers(const bool &assign_local_eqn_numbers=true)
Definition: problem.cc:1989
Definition: nodes.h:1686
double ReInvFr
Product of Rynolds number and inverse of Froude number.
Definition: axisym_navier_stokes/counter_rotating_disks/counter_rotating_disks.cc:67
double Re
Reynolds number.
Definition: axisym_navier_stokes/counter_rotating_disks/counter_rotating_disks.cc:61
Global variables.
Definition: TwenteMeshGluing.cpp:60
std::ptrdiff_t j
Definition: tut_arithmetic_redux_minmax.cpp:2

References oomph::Mesh::boundary_node_pt(), e(), oomph::Mesh::element_pt(), G, j, oomph::Mesh::nboundary_node(), oomph::Mesh::nelement(), oomph::Mesh::node_pt(), oomph::Data::pin(), GlobalPhysicalVariables::Re, and GlobalPhysicalVariables::ReInvFr.

◆ make_free_surface_elements()

template<class ELEMENT , class INTERFACE_ELEMENT >
void InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::make_free_surface_elements ( )
inline
240  {
241  //Create the (empty) meshes
242  Surface_mesh_pt = new Mesh;
243  Point_mesh_pt = new Mesh;
244 
245  //The free surface is on the boundary 2
246  unsigned b = 2;
247  unsigned n_boundary_element = Bulk_mesh_pt->nboundary_element(b);
248  //Loop over the elements and create the appropriate interface elements
249  for(unsigned e=0;e<n_boundary_element;e++)
250  {
251  INTERFACE_ELEMENT *surface_element_pt =
252  new INTERFACE_ELEMENT
255  //Add elements to the mesh
256  Surface_mesh_pt->add_element_pt(surface_element_pt);
257  //Assign the capillary number to the free surface
258  surface_element_pt->ca_pt() =
260 
261  //Make a point element from left-hand side of the
262  //first surface element (note that this relies on knowledge of
263  //the element order within the mesh)
264  if(e==0)
265  {
266  FluidInterfaceBoundingElement* point_element_pt =
267  surface_element_pt->make_bounding_element(-1);
268  //Add element to the point mesh
269  Point_mesh_pt->add_element_pt(point_element_pt);
270  //Set the capillary number
271  point_element_pt->ca_pt() = &Global_Physical_Variables::Ca;
272  //Set the wall normal
273  point_element_pt->wall_unit_normal_fct_pt() =
275  //Set the contact angle (using the strong version of the constraint)
276  point_element_pt->set_contact_angle(
278  }
279 
280  //Make another point element from the right-hand side of the
281  //last surface element (note that this relies on knowledge of
282  //the element order within the mesh)
283  if(e==n_boundary_element-1)
284  {
285  FluidInterfaceBoundingElement* point_element_pt =
286  surface_element_pt->make_bounding_element(1);
287  //Add element to the mesh
288  Point_mesh_pt->add_element_pt(point_element_pt);
289  //Set the capillary number
290  point_element_pt->ca_pt() = &Global_Physical_Variables::Ca;
291  // Set the function that specifies the wall normal
292  point_element_pt->wall_unit_normal_fct_pt() =
294  }
295  }
296  } //end of make_free_surface_elements
Scalar * b
Definition: benchVecAdd.cpp:17
Definition: interface_elements.h:54
WallUnitNormalFctPt & wall_unit_normal_fct_pt()
Access function: Pointer to wall unit normal function.
Definition: interface_elements.h:141
double *& ca_pt()
Access function to the pointer specifying the capillary number.
Definition: interface_elements.h:172
void set_contact_angle(double *const &angle_pt, const bool &strong=true)
Definition: interface_elements.cc:47
Definition: mesh.h:67
int face_index_at_boundary(const unsigned &b, const unsigned &e) const
Definition: mesh.h:896
unsigned nboundary_element(const unsigned &b) const
Return number of finite elements that are adjacent to boundary b.
Definition: mesh.h:878
FiniteElement * boundary_element_pt(const unsigned &b, const unsigned &e) const
Return pointer to e-th finite element on boundary b.
Definition: mesh.h:840
void add_element_pt(GeneralisedElement *const &element_pt)
Add a (pointer to) an element to the mesh.
Definition: mesh.h:617
double Inlet_Angle
The contact angle that is imposed at the inlet (pi)
Definition: inclined_plane.cc:102
void wall_unit_normal_outlet_fct(const Vector< double > &x, Vector< double > &normal)
Function that specified the wall unit normal at the outlet.
Definition: inclined_plane.cc:91
double Ca
Capillary number.
Definition: fibre.cc:61
void wall_unit_normal_inlet_fct(const Vector< double > &x, Vector< double > &normal)
Function that specifies the wall unit normal at the inlet.
Definition: inclined_plane.cc:84

References oomph::Mesh::add_element_pt(), b, oomph::Mesh::boundary_element_pt(), Global_Physical_Variables::Ca, oomph::FluidInterfaceBoundingElement::ca_pt(), e(), oomph::Mesh::face_index_at_boundary(), Global_Physical_Variables::Inlet_Angle, oomph::Mesh::nboundary_element(), oomph::FluidInterfaceBoundingElement::set_contact_angle(), oomph::FluidInterfaceBoundingElement::wall_unit_normal_fct_pt(), Global_Physical_Variables::wall_unit_normal_inlet_fct(), and Global_Physical_Variables::wall_unit_normal_outlet_fct().

◆ make_traction_elements()

template<class ELEMENT , class INTERFACE_ELEMENT >
void InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::make_traction_elements ( )
inline

Function to add the traction boundary elements to boundaries 3(inlet) and 1(outlet) of the mesh

194  {
195  //Create a new (empty mesh)
196  Traction_mesh_pt = new Mesh;
197  //Inlet boundary conditions (boundary 3)
198  {
199  unsigned b = 3;
200  //Find the number of elements adjacent to mesh boundary
201  unsigned n_boundary_element = Bulk_mesh_pt->nboundary_element(b);
202  //Loop over these elements and create the traction elements
203  for(unsigned e=0;e<n_boundary_element;e++)
204  {
205  NavierStokesTractionElement<ELEMENT> *surface_element_pt =
209  //Add the elements to the mesh
210  Traction_mesh_pt->add_element_pt(surface_element_pt);
211  //Set the traction function
212  surface_element_pt->traction_fct_pt() =
214  }
215  }
216 
217  //Outlet boundary conditions (boundary 1)
218  {
219  unsigned b=1;
220  //Find the number of elements adjacent to mesh boundary
221  unsigned n_boundary_element = Bulk_mesh_pt->nboundary_element(b);
222  //Loop over these elements and create the traction elements
223  for(unsigned e=0;e<n_boundary_element;e++)
224  {
225  NavierStokesTractionElement<ELEMENT> *surface_element_pt =
229  //Add the elements to the mesh
230  Traction_mesh_pt->add_element_pt(surface_element_pt);
231  //Set the traction function
232  surface_element_pt->traction_fct_pt() =
234  }
235  }
236  } //end of make_traction_elements
Definition: fluid_traction_elements.h:55
void(*&)(const double &t, const Vector< double > &x, const Vector< double > &n, Vector< double > &result) traction_fct_pt()
Definition: fluid_traction_elements.h:186
void hydrostatic_pressure_outlet(const double &time, const Vector< double > &x, const Vector< double > &n, Vector< double > &traction)
Function that prescribes the hydrostatic pressure field at the outlet.
Definition: inclined_plane.cc:106
void hydrostatic_pressure_inlet(const double &time, const Vector< double > &x, const Vector< double > &n, Vector< double > &traction)
Function that prescribes hydrostatic pressure field at the inlet.
Definition: inclined_plane.cc:115

References oomph::Mesh::add_element_pt(), b, oomph::Mesh::boundary_element_pt(), e(), oomph::Mesh::face_index_at_boundary(), Global_Physical_Variables::hydrostatic_pressure_inlet(), Global_Physical_Variables::hydrostatic_pressure_outlet(), oomph::Mesh::nboundary_element(), and oomph::NavierStokesTractionElement< ELEMENT >::traction_fct_pt.

◆ solve_steady()

template<class ELEMENT , class INTERFACE_ELEMENT >
void InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::solve_steady

Solve the steady problem.

412 {
413  //Load the namespace
414  using namespace Global_Physical_Variables;
415 
416  //Initially set all nodes to the Nusselt flat-film solution
417  {
418  unsigned n_node = Bulk_mesh_pt->nnode();
419  for(unsigned n=0;n<n_node;n++)
420  {
421  double y = Bulk_mesh_pt->node_pt(n)->x(1);
422  //Top row
423  Bulk_mesh_pt->node_pt(n)->set_value(0,0.5*ReInvFr*sin(Alpha)*(2.0*y - y*y));
424  }
425  }
426 
427  //Do one steady solve
429 
430  //Output the full flow field
432  filename.append("_output.dat");
433  ofstream file(filename.c_str());
434  Bulk_mesh_pt->output(file,5);
435  file.close();
436 } //end of solve_steady
unsigned long nnode() const
Return number of nodes in the mesh.
Definition: mesh.h:596
void output(std::ostream &outfile)
Output for all elements.
Definition: mesh.cc:2027
void steady_newton_solve(unsigned const &max_adapt=0)
Definition: problem.cc:9292
Scalar * y
Definition: level1_cplx_impl.h:128
string filename
Definition: MergeRestartFiles.py:39
double Alpha
Parameter for steepness of step.
Definition: two_d_adv_diff_adapt.cc:53
std::string string(const unsigned &i)
Definition: oomph_definitions.cc:286

References TanhSolnForAdvectionDiffusion::Alpha, MergeRestartFiles::filename, n, GlobalPhysicalVariables::ReInvFr, sin(), oomph::Global_string_for_annotation::string(), and y.

◆ timestep()

template<class ELEMENT , class INTERFACE_ELEMENT >
void InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::timestep ( const double dt,
const unsigned n_tsteps 
)

Take n_tsteps timesteps of size dt.

Perform n_tsteps timesteps of size dt.

445 {
446  //Need to use the Global variables here
447  using namespace Global_Physical_Variables;
448 
449  //Open an output file
451  filename.append("_time_trace.dat");
452  ofstream trace(filename.c_str());
453  //Counter that will be used to output the full flowfield
454  //at certain timesteps
455  int counter=0;
456 
457  //Initial output of the time and the value of the vertical position at the
458  //left and right-hand end of the free surface
459  trace << time_pt()->time() << " "
460  << Bulk_mesh_pt->boundary_node_pt(2,0)->value(1)
461  << " "
462  << Bulk_mesh_pt->
463  boundary_node_pt(2, Bulk_mesh_pt->nboundary_node(2)-1)->x(1)
464  << " "
465  << std::endl;
466 
467  //Loop over the desired number of timesteps
468  for(unsigned t=1;t<=n_tsteps;t++)
469  {
470  //Increase the counter
471  counter++;
472  cout << std::endl;
473  cout << "--------------TIMESTEP " << t<< " ------------------" << std::endl;
474 
475  //Take a timestep of size dt
477 
478  //Uncomment to get full solution output
479  if(counter==2) //Change this number to get output every n steps
480  {
481  std::ofstream file;
482  std::ostringstream filename;
483  filename << Output_prefix << "_step" << Re << "_" << t << ".dat";
484  file.open(filename.str().c_str());
485  Bulk_mesh_pt->output(file,5);
486  file.close();
487 
488  counter=0;
489  }
490 
491  //Always output the interface
492  {
493  std::ofstream file;
494  std::ostringstream filename;
495  filename << Output_prefix << "_interface_" << Re << "_" << t << ".dat";
496  file.open(filename.str().c_str());
497  Surface_mesh_pt->output(file,5);
498  file.close();
499  }
500 
501  //Output the time and value of the vertical position of the free surface
502  //at the left- and right-hand ends
503  trace << time_pt()->time() << " "
504  << Bulk_mesh_pt->boundary_node_pt(2,0)->x(1) << " "
505  <<
506  Bulk_mesh_pt->
507  boundary_node_pt(2,Bulk_mesh_pt->nboundary_node(2)-1)->x(1) << " "
508  << std::endl;
509  }
510 } //end of timestep
double value(const unsigned &i) const
Definition: nodes.cc:2408
void unsteady_newton_solve(const double &dt)
Definition: problem.cc:10953
t
Definition: plotPSD.py:36

References MergeRestartFiles::filename, GlobalPhysicalVariables::Re, oomph::Global_string_for_annotation::string(), and plotPSD::t.

Member Data Documentation

◆ Bulk_mesh_pt

template<class ELEMENT , class INTERFACE_ELEMENT >
Mesh* InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::Bulk_mesh_pt
protected

Bulk fluid mesh.

◆ Output_prefix

template<class ELEMENT , class INTERFACE_ELEMENT >
std::string InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::Output_prefix
protected

Prefix for output files.

◆ Point_mesh_pt

template<class ELEMENT , class INTERFACE_ELEMENT >
Mesh* InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::Point_mesh_pt
protected

Mesh for the point elements at each end of the free surface.

◆ Surface_mesh_pt

template<class ELEMENT , class INTERFACE_ELEMENT >
Mesh* InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::Surface_mesh_pt
protected

Mesh for the free surface elements.

◆ Traction_mesh_pt

template<class ELEMENT , class INTERFACE_ELEMENT >
Mesh* InclinedPlaneProblem< ELEMENT, INTERFACE_ELEMENT >::Traction_mesh_pt
protected

Mesh for the traction elements that are added at inlet and outlet.


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