YoungLaplaceProblem< ELEMENT > Class Template Reference
+ Inheritance diagram for YoungLaplaceProblem< ELEMENT >:

Public Member Functions

 YoungLaplaceProblem ()
 Constructor: More...
 
 ~YoungLaplaceProblem ()
 Destructor (empty) More...
 
void actions_before_newton_solve ()
 Update the problem before solve. More...
 
void actions_after_newton_solve ()
 Update the problem after solve: Empty. More...
 
void doc_solution (DocInfo &doc_info, ofstream &trace_file)
 Doc the solution: doc_info contains labels/output directory etc. More...
 
 YoungLaplaceProblem ()
 Constructor: More...
 
 ~YoungLaplaceProblem ()
 Destructor (empty) More...
 
void actions_before_newton_solve ()
 Update the problem specs before solve. More...
 
void actions_after_newton_solve ()
 Update the problem after solve: Empty. More...
 
void doc_solution (DocInfo &doc_info, ofstream &trace_file)
 
- 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 ()
 

Private Member Functions

void create_contact_angle_elements (const unsigned &b)
 Create YoungLaplace contact angle elements on the b-th boundary of the Mesh. More...
 

Private Attributes

NodeControl_node_pt
 Node at which the height (displacement along spine) is controlled/doced. More...
 
DataKappa_pt
 Pointer to Data object that stores the prescribed curvature. More...
 
unsigned N_bulk_elements
 
unsigned Last_element_on_boundary1
 Number of last FaceElement on boundary 1. More...
 
unsigned Last_element_on_boundary3
 Number of last FaceElement on boundary 3. 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)
 
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 ()
 
- 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
 
- 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 YoungLaplaceProblem< ELEMENT >

2D YoungLaplace problem on rectangular domain, discretised with 2D QYoungLaplace elements. The specific type of element is specified via the template parameter.

Constructor & Destructor Documentation

◆ YoungLaplaceProblem() [1/2]

template<class ELEMENT >
YoungLaplaceProblem< ELEMENT >::YoungLaplaceProblem

Constructor:

Constructor for YoungLaplace problem.

Add height control element to mesh at the very end

181 {
182 
183  // Setup mesh
184  //-----------
185 
186  // # of elements in x-direction
187  unsigned n_x=8;
188 
189  // # of elements in y-direction
190  unsigned n_y=8;
191 
192  // Domain length in x-direction
193  double l_x=1.0;
194 
195  // Domain length in y-direction
196  double l_y=1.0;
197 
198  // Build and assign mesh
199  Problem::mesh_pt()=new SimpleRectangularQuadMesh<ELEMENT>(n_x,n_y,l_x,l_y);
200 
201 
202  // Check that we've got an even number of elements otherwise
203  // out counting doesn't work...
204  if ((n_x%2!=0)||(n_y%2!=0))
205  {
206  cout << "n_x n_y should be even" << endl;
207  abort();
208  }
209 
210  // This is the element that contains the central node:
211  ELEMENT* prescribed_height_element_pt= dynamic_cast<ELEMENT*>(
212  mesh_pt()->element_pt(n_y*n_x/2+n_x/2));
213 
214  // The central node is node 0 in that element
215  Control_node_pt= static_cast<Node*>(prescribed_height_element_pt->node_pt(0));
216 
217  std::cout << "Controlling height at (x,y) : (" << Control_node_pt->x(0)
218  << "," << Control_node_pt->x(1) << ")" << "\n" << endl;
219 
220 
221  // Create a height control element
222  HeightControlElement* height_control_element_pt=new HeightControlElement(
224 
225  // Store pointer to kappa data
226  Kappa_pt=height_control_element_pt->kappa_pt();
227 
228 
229  // Comment out the previous two commands and uncomment the following two
230  // to prescribe the pressure drop (the curvature) directly
231  //Kappa_pt=new Data(1);
232  //Kappa_pt->pin(0);
233 
234 
235  // Boundary conditions
236  //--------------------
237 
238  // Set the boundary conditions for this problem: All nodes are
239  // free by default -- only need to pin the ones that have Dirichlet conditions
240  // here.
241  unsigned n_bound = mesh_pt()->nboundary();
242  for(unsigned b=0;b<n_bound;b++)
243  {
244 
245  // Pin meniscus displacement at all nodes boundaries 0 and 2
246  if ((b==0)||(b==2))
247  {
248  unsigned n_node = mesh_pt()->nboundary_node(b);
249  for (unsigned n=0;n<n_node;n++)
250  {
251  mesh_pt()->boundary_node_pt(b,n)->pin(0);
252  }
253  }
254 
255  } // end bc
256 
257  // Complete build of elements
258  //---------------------------
259 
260  // Complete the build of all elements so they are fully functional
261  unsigned nelement = mesh_pt()->nelement();
262  for(unsigned i=0;i<nelement;i++)
263  {
264  // Upcast from GeneralsedElement to YoungLaplace element
265  ELEMENT *el_pt = dynamic_cast<ELEMENT*>(mesh_pt()->element_pt(i));
266 
267  //Set the spine function pointers
268  el_pt->spine_base_fct_pt() = GlobalParameters::spine_base_function;
269  el_pt->spine_fct_pt() = GlobalParameters::spine_function;
270 
271  // Set the curvature data for the element
272  el_pt->set_kappa(Kappa_pt);
273  }
274 
275  // Add the height control element to mesh (comment this out
276  // if you're not using displacement control)
277  mesh_pt()->add_element_pt(height_control_element_pt);
278 
279  // Setup equation numbering scheme
280  cout <<"\nNumber of equations: " << assign_eqn_numbers() << endl;
281 
282 } // end of constructor
int i
Definition: BiCGSTAB_step_by_step.cpp:9
const unsigned n
Definition: CG3DPackingUnitTest.cpp:11
Scalar * b
Definition: benchVecAdd.cpp:17
Node * Control_node_pt
Node at which the height (displacement along spine) is controlled/doced.
Definition: barrel.cc:168
Data * Kappa_pt
Pointer to Data object that stores the prescribed curvature.
Definition: barrel.cc:171
void pin(const unsigned &i)
Pin the i-th stored variable.
Definition: nodes.h:385
Definition: young_laplace_elements.h:556
Data *& kappa_pt()
Definition: young_laplace_elements.h:582
unsigned long nboundary_node(const unsigned &ibound) const
Return number of nodes on a particular boundary.
Definition: mesh.h:833
unsigned nboundary() const
Return number of boundaries.
Definition: mesh.h:827
GeneralisedElement *& element_pt(const unsigned long &e)
Return pointer to element e.
Definition: mesh.h:448
void add_element_pt(GeneralisedElement *const &element_pt)
Add a (pointer to) an element to the mesh.
Definition: mesh.h:617
Node *& boundary_node_pt(const unsigned &b, const unsigned &n)
Return pointer to node n on boundary b.
Definition: mesh.h:493
unsigned long nelement() const
Return number of elements in the mesh.
Definition: mesh.h:590
Definition: nodes.h:906
double & x(const unsigned &i)
Return the i-th nodal coordinate.
Definition: nodes.h:1060
Mesh *& mesh_pt()
Return a pointer to the global mesh.
Definition: problem.h:1280
unsigned long assign_eqn_numbers(const bool &assign_local_eqn_numbers=true)
Definition: problem.cc:1989
Definition: simple_rectangular_quadmesh.template.h:58
double Controlled_height
Height control value.
Definition: barrel.cc:51
void spine_function(const Vector< double > &x, Vector< double > &spine, Vector< Vector< double > > &dspine)
Definition: barrel.cc:104
void spine_base_function(const Vector< double > &x, Vector< double > &spine_B, Vector< Vector< double > > &dspine_B)
Definition: barrel.cc:72

References b, GlobalParameters::Controlled_height, i, GlobalParameters::Kappa_pt, oomph::HeightControlElement::kappa_pt(), n, oomph::Data::pin(), GlobalParameters::spine_base_function(), GlobalParameters::spine_function(), and oomph::Node::x().

◆ ~YoungLaplaceProblem() [1/2]

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

Destructor (empty)

148 {}

◆ YoungLaplaceProblem() [2/2]

template<class ELEMENT >
YoungLaplaceProblem< ELEMENT >::YoungLaplaceProblem ( )

Constructor:

◆ ~YoungLaplaceProblem() [2/2]

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

Destructor (empty)

62 {};

Member Function Documentation

◆ actions_after_newton_solve() [1/2]

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

Update the problem after solve: Empty.

Reimplemented from oomph::Problem.

159 {}

◆ actions_after_newton_solve() [2/2]

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

Update the problem after solve: Empty.

Reimplemented from oomph::Problem.

68 {};

◆ actions_before_newton_solve() [1/2]

template<class ELEMENT >
void YoungLaplaceProblem< ELEMENT >::actions_before_newton_solve
inlinevirtual

Update the problem before solve.

Update the problem specs before solve: (Re-)set boundary conditions to the values from the exact solution.

Reimplemented from oomph::Problem.

152  {
153  // This only has an effect if displacement control is disabled
154  double new_kappa=Kappa_pt->value(0)-0.5;
155  Kappa_pt->set_value(0,new_kappa);
156  }
void set_value(const unsigned &i, const double &value_)
Definition: nodes.h:271
double value(const unsigned &i) const
Definition: nodes.h:293

References GlobalParameters::Kappa_pt, oomph::Data::set_value(), and oomph::Data::value().

◆ actions_before_newton_solve() [2/2]

template<class ELEMENT >
void YoungLaplaceProblem< ELEMENT >::actions_before_newton_solve ( )
virtual

Update the problem specs before solve.

Reimplemented from oomph::Problem.

◆ create_contact_angle_elements()

template<class ELEMENT >
void YoungLaplaceProblem< ELEMENT >::create_contact_angle_elements ( const unsigned b)
private

Create YoungLaplace contact angle elements on the b-th boundary of the Mesh.

Create YoungLaplace contact angle elements on the b-th boundary of the problem's mesh and add them to mesh

281 {
282  // How many bulk elements are adjacent to boundary b?
283  unsigned n_element = mesh_pt()->nboundary_element(b);
284 
285  // Loop over the bulk elements adjacent to boundary b?
286  for(unsigned e=0;e<n_element;e++)
287  {
288  // Get pointer to the bulk element that is adjacent to boundary b
289  ELEMENT* bulk_elem_pt = dynamic_cast<ELEMENT*>(
291 
292  // What is the index of the face of the bulk element at the boundary
293  int face_index = mesh_pt()->face_index_at_boundary(b,e);
294 
295  // Build the corresponding prescribed contact angle element
296  YoungLaplaceContactAngleElement<ELEMENT>* contact_angle_element_pt = new
297  YoungLaplaceContactAngleElement<ELEMENT>(bulk_elem_pt,face_index);
298 
299  //Add the prescribed contact angle element to the mesh
300  mesh_pt()->add_element_pt(contact_angle_element_pt);
301 
302  } //end of loop over bulk elements adjacent to boundary b
303 
304 } // end of create_contact_angle_elements
Array< double, 1, 3 > e(1./3., 0.5, 2.)
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
Definition: young_laplace_contact_angle_elements.h:53

References b, and e().

◆ doc_solution() [1/2]

template<class ELEMENT >
void YoungLaplaceProblem< ELEMENT >::doc_solution ( DocInfo doc_info,
ofstream &  trace_file 
)

Doc the solution: doc_info contains labels/output directory etc.

Doc the solution. DocInfo object stores flags/labels for where the output gets written to and the trace file

293 {
294 
295  // Output kappa vs height of the apex
296  //------------------------------------
297  trace_file << -1.0*Kappa_pt->value(0) << " ";
298  trace_file << GlobalParameters::get_exact_kappa() << " ";
299  trace_file << Control_node_pt->value(0) ;
300  trace_file << endl;
301 
302  // Number of plot points: npts x npts
303  unsigned npts=5;
304 
305  // Output full solution
306  //---------------------
307  ofstream some_file;
308  char filename[100];
309  sprintf(filename,"%s/soln%i.dat",doc_info.directory().c_str(),
310  doc_info.number());
311  some_file.open(filename);
312  mesh_pt()->output(some_file,npts);
313  some_file.close();
314 
315 } // end of doc
std::string directory() const
Output directory.
Definition: oomph_utilities.h:524
unsigned & number()
Number used (e.g.) for labeling output files.
Definition: oomph_utilities.h:554
void output(std::ostream &outfile)
Output for all elements.
Definition: mesh.cc:2027
double value(const unsigned &i) const
Definition: nodes.cc:2408
double get_exact_kappa()
Exact kappa.
Definition: barrel.cc:54
string filename
Definition: MergeRestartFiles.py:39

References oomph::DocInfo::directory(), MergeRestartFiles::filename, GlobalParameters::get_exact_kappa(), GlobalParameters::Kappa_pt, oomph::DocInfo::number(), and oomph::Data::value().

◆ doc_solution() [2/2]

template<class ELEMENT >
void YoungLaplaceProblem< ELEMENT >::doc_solution ( DocInfo doc_info,
ofstream &  trace_file 
)

Doc the solution. DocInfo object stores flags/labels for where the output gets written to and the trace file

Member Data Documentation

◆ Control_node_pt

template<class ELEMENT >
Node * YoungLaplaceProblem< ELEMENT >::Control_node_pt
private

Node at which the height (displacement along spine) is controlled/doced.

◆ Kappa_pt

template<class ELEMENT >
Data* YoungLaplaceProblem< ELEMENT >::Kappa_pt
private

Pointer to Data object that stores the prescribed curvature.

◆ Last_element_on_boundary1

template<class ELEMENT >
unsigned YoungLaplaceProblem< ELEMENT >::Last_element_on_boundary1
private

Number of last FaceElement on boundary 1.

◆ Last_element_on_boundary3

template<class ELEMENT >
unsigned YoungLaplaceProblem< ELEMENT >::Last_element_on_boundary3
private

Number of last FaceElement on boundary 3.

◆ N_bulk_elements

template<class ELEMENT >
unsigned YoungLaplaceProblem< ELEMENT >::N_bulk_elements
private

Number of YoungLaplace "bulk" elements (We're attaching the
contact angle elements to the bulk mesh --> only the first N_bulk_elements elements in the mesh are bulk elements!)


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