GelfandBratuElement< NNODE_1D > Class Template Reference
+ Inheritance diagram for GelfandBratuElement< NNODE_1D >:

Public Member Functions

 GelfandBratuElement ()
 
const doublelambda () const
 
const doublemu () const
 
double *& lambda_pt ()
 
double *& mu_pt ()
 
unsigned required_nvalue (const unsigned &n) const
 For the Equation, only one value is stored at each node. More...
 
void fill_in_contribution_to_residuals (Vector< double > &residuals)
 Add the element's contribution to its residual vector (wrapper) More...
 
void fill_in_contribution_to_jacobian (Vector< double > &residuals, DenseMatrix< double > &jacobian)
 
void fill_in_generic_residual_contribution (Vector< double > &residuals, DenseMatrix< double > &jacobian, unsigned flag)
 
void fill_in_contribution_to_dresiduals_dparameter (double *const &parameter_pt, Vector< double > &dres_dparam)
 
void fill_in_contribution_to_djacobian_dparameter (double *const &parameter_pt, Vector< double > &dres_dparam, DenseMatrix< double > &djac_dparam)
 
void fill_in_generic_dresidual_contribution (double *const &parameter_pt, Vector< double > &dres_dparam, DenseMatrix< double > &djac_dparam, unsigned flag)
 
void output (ostream &output)
 
- Public Member Functions inherited from oomph::QElement< 1, NNODE_1D >
 QElement ()
 Constructor. More...
 
 QElement (const QElement &)=delete
 Broken copy constructor. More...
 
void shape (const Vector< double > &s, Shape &psi) const
 Broken assignment operator. More...
 
void dshape_local (const Vector< double > &s, Shape &psi, DShape &dpsids) const
 Derivatives of shape functions for specific QElement<1,..> More...
 
void d2shape_local (const Vector< double > &s, Shape &psi, DShape &dpsids, DShape &d2psids) const
 
double invert_jacobian_mapping (const DenseMatrix< double > &jacobian, DenseMatrix< double > &inverse_jacobian) const
 
double s_min () const
 Min. value of local coordinate. More...
 
double s_max () const
 Max. value of local coordinate. More...
 
unsigned nvertex_node () const
 Number of vertex nodes in the element. More...
 
Nodevertex_node_pt (const unsigned &j) const
 Pointer to the j-th vertex node in the element. More...
 
void local_coordinate_of_node (const unsigned &j, Vector< double > &s) const
 Get local coordinates of node j in the element; vector sets its own size. More...
 
void local_fraction_of_node (const unsigned &j, Vector< double > &s_fraction)
 Get the local fraction of node j in the element. More...
 
double local_one_d_fraction_of_node (const unsigned &n1d, const unsigned &i)
 
Nodeget_node_at_local_coordinate (const Vector< double > &s) const
 Get the node at the specified local coordinate. More...
 
unsigned nnode_1d () const
 Number of nodes along each element edge. More...
 
unsigned nplot_points_paraview (const unsigned &nplot) const
 
unsigned nsub_elements_paraview (const unsigned &nplot) const
 
void write_paraview_output_offset_information (std::ofstream &file_out, const unsigned &nplot, unsigned &counter) const
 
void write_paraview_type (std::ofstream &file_out, const unsigned &nplot) const
 
void write_paraview_offsets (std::ofstream &file_out, const unsigned &nplot, unsigned &offset_sum) const
 
void output (std::ostream &outfile)
 Output. More...
 
void output (std::ostream &outfile, const unsigned &n_plot)
 Output at n_plot points. More...
 
void output (FILE *file_pt)
 C-style output. More...
 
void output (FILE *file_pt, const unsigned &n_plot)
 C_style output at n_plot points. More...
 
void get_s_plot (const unsigned &i, const unsigned &nplot, Vector< double > &s, const bool &use_equally_spaced_interior_sample_points=false) const
 
std::string tecplot_zone_string (const unsigned &nplot) const
 
unsigned nplot_points (const unsigned &nplot) const
 
unsigned get_bulk_node_number (const int &face_index, const unsigned &i) const
 
int face_outer_unit_normal_sign (const int &face_index) const
 Get the sign of the outer unit normal on the face given by face_index. More...
 
CoordinateMappingFctPt face_to_bulk_coordinate_fct_pt (const int &face_index) const
 
BulkCoordinateDerivativesFctPt bulk_coordinate_derivatives_fct_pt (const int &face_index) const
 
- Public Member Functions inherited from oomph::LineElementBase
 LineElementBase ()
 Constructor. Empty. More...
 
- Public Member Functions inherited from oomph::QElementBase
 QElementBase ()
 Constructor: Initialise pointers to macro element reference coords. More...
 
 QElementBase (const QElementBase &)=delete
 Broken copy constructor. More...
 
virtual ~QElementBase ()
 Broken assignment operator. More...
 
bool local_coord_is_valid (const Vector< double > &s)
 Check whether the local coordinate are valid or not. More...
 
void move_local_coord_back_into_element (Vector< double > &s) const
 
virtual void set_macro_elem_pt (MacroElement *macro_elem_pt)
 
doubles_macro_ll (const unsigned &i)
 
doubles_macro_ur (const unsigned &i)
 
double s_macro_ll (const unsigned &i) const
 
double s_macro_ur (const unsigned &i) const
 
void get_x_from_macro_element (const Vector< double > &s, Vector< double > &x) const
 
void get_x_from_macro_element (const unsigned &t, const Vector< double > &s, Vector< double > &x)
 
unsigned nnode_on_face () const
 
ElementGeometry::ElementGeometry element_geometry () const
 It's a Q element! More...
 
- Public Member Functions inherited from oomph::QElementGeometricBase
 QElementGeometricBase ()
 Empty default constructor. More...
 
 QElementGeometricBase (const QElementGeometricBase &)=delete
 Broken copy constructor. More...
 
- Public Member Functions inherited from oomph::FiniteElement
void set_dimension (const unsigned &dim)
 
void set_nodal_dimension (const unsigned &nodal_dim)
 
void set_nnodal_position_type (const unsigned &nposition_type)
 Set the number of types required to interpolate the coordinate. More...
 
void set_n_node (const unsigned &n)
 
int nodal_local_eqn (const unsigned &n, const unsigned &i) const
 
double dJ_eulerian_at_knot (const unsigned &ipt, Shape &psi, DenseMatrix< double > &djacobian_dX) const
 
 FiniteElement ()
 Constructor. More...
 
virtual ~FiniteElement ()
 
 FiniteElement (const FiniteElement &)=delete
 Broken copy constructor. More...
 
void get_centre_of_gravity_and_max_radius_in_terms_of_zeta (Vector< double > &cog, double &max_radius) const
 
MacroElementmacro_elem_pt ()
 Access function to pointer to macro element. More...
 
void get_x (const Vector< double > &s, Vector< double > &x) const
 
void get_x (const unsigned &t, const Vector< double > &s, Vector< double > &x)
 
virtual void set_integration_scheme (Integral *const &integral_pt)
 Set the spatial integration scheme. More...
 
Integral *const & integral_pt () const
 Return the pointer to the integration scheme (const version) More...
 
virtual void shape_at_knot (const unsigned &ipt, Shape &psi) const
 
virtual void dshape_local_at_knot (const unsigned &ipt, Shape &psi, DShape &dpsids) const
 
virtual void d2shape_local_at_knot (const unsigned &ipt, Shape &psi, DShape &dpsids, DShape &d2psids) const
 
virtual double J_eulerian (const Vector< double > &s) const
 
virtual double J_eulerian_at_knot (const unsigned &ipt) const
 
void check_J_eulerian_at_knots (bool &passed) const
 
void check_jacobian (const double &jacobian) const
 
double dshape_eulerian (const Vector< double > &s, Shape &psi, DShape &dpsidx) const
 
virtual double dshape_eulerian_at_knot (const unsigned &ipt, Shape &psi, DShape &dpsidx) const
 
virtual double dshape_eulerian_at_knot (const unsigned &ipt, Shape &psi, DShape &dpsi, DenseMatrix< double > &djacobian_dX, RankFourTensor< double > &d_dpsidx_dX) const
 
double d2shape_eulerian (const Vector< double > &s, Shape &psi, DShape &dpsidx, DShape &d2psidx) const
 
virtual double d2shape_eulerian_at_knot (const unsigned &ipt, Shape &psi, DShape &dpsidx, DShape &d2psidx) const
 
virtual void assign_nodal_local_eqn_numbers (const bool &store_local_dof_pt)
 
virtual void describe_local_dofs (std::ostream &out, const std::string &current_string) const
 
virtual void describe_nodal_local_dofs (std::ostream &out, const std::string &current_string) const
 
virtual void assign_all_generic_local_eqn_numbers (const bool &store_local_dof_pt)
 
Node *& node_pt (const unsigned &n)
 Return a pointer to the local node n. More...
 
Node *const & node_pt (const unsigned &n) const
 Return a pointer to the local node n (const version) More...
 
unsigned nnode () const
 Return the number of nodes. More...
 
double raw_nodal_position (const unsigned &n, const unsigned &i) const
 
double raw_nodal_position (const unsigned &t, const unsigned &n, const unsigned &i) const
 
double raw_dnodal_position_dt (const unsigned &n, const unsigned &i) const
 
double raw_dnodal_position_dt (const unsigned &n, const unsigned &j, const unsigned &i) const
 
double raw_nodal_position_gen (const unsigned &n, const unsigned &k, const unsigned &i) const
 
double raw_nodal_position_gen (const unsigned &t, const unsigned &n, const unsigned &k, const unsigned &i) const
 
double raw_dnodal_position_gen_dt (const unsigned &n, const unsigned &k, const unsigned &i) const
 
double raw_dnodal_position_gen_dt (const unsigned &j, const unsigned &n, const unsigned &k, const unsigned &i) const
 
double nodal_position (const unsigned &n, const unsigned &i) const
 
double nodal_position (const unsigned &t, const unsigned &n, const unsigned &i) const
 
double dnodal_position_dt (const unsigned &n, const unsigned &i) const
 Return the i-th component of nodal velocity: dx/dt at local node n. More...
 
double dnodal_position_dt (const unsigned &n, const unsigned &j, const unsigned &i) const
 
double nodal_position_gen (const unsigned &n, const unsigned &k, const unsigned &i) const
 
double nodal_position_gen (const unsigned &t, const unsigned &n, const unsigned &k, const unsigned &i) const
 
double dnodal_position_gen_dt (const unsigned &n, const unsigned &k, const unsigned &i) const
 
double dnodal_position_gen_dt (const unsigned &j, const unsigned &n, const unsigned &k, const unsigned &i) const
 
virtual void get_dresidual_dnodal_coordinates (RankThreeTensor< double > &dresidual_dnodal_coordinates)
 
virtual void disable_ALE ()
 
virtual void enable_ALE ()
 
unsigned nnodal_position_type () const
 
bool has_hanging_nodes () const
 
unsigned nodal_dimension () const
 Return the required Eulerian dimension of the nodes in this element. More...
 
virtual Nodeconstruct_node (const unsigned &n)
 
virtual Nodeconstruct_node (const unsigned &n, TimeStepper *const &time_stepper_pt)
 
virtual Nodeconstruct_boundary_node (const unsigned &n)
 
virtual Nodeconstruct_boundary_node (const unsigned &n, TimeStepper *const &time_stepper_pt)
 
int get_node_number (Node *const &node_pt) const
 
double raw_nodal_value (const unsigned &n, const unsigned &i) const
 
double raw_nodal_value (const unsigned &t, const unsigned &n, const unsigned &i) const
 
double nodal_value (const unsigned &n, const unsigned &i) const
 
double nodal_value (const unsigned &t, const unsigned &n, const unsigned &i) const
 
unsigned dim () const
 
virtual double interpolated_x (const Vector< double > &s, const unsigned &i) const
 Return FE interpolated coordinate x[i] at local coordinate s. More...
 
virtual double interpolated_x (const unsigned &t, const Vector< double > &s, const unsigned &i) const
 
virtual void interpolated_x (const Vector< double > &s, Vector< double > &x) const
 Return FE interpolated position x[] at local coordinate s as Vector. More...
 
virtual void interpolated_x (const unsigned &t, const Vector< double > &s, Vector< double > &x) const
 
virtual double interpolated_dxdt (const Vector< double > &s, const unsigned &i, const unsigned &t)
 
virtual void interpolated_dxdt (const Vector< double > &s, const unsigned &t, Vector< double > &dxdt)
 
unsigned ngeom_data () const
 
Datageom_data_pt (const unsigned &j)
 
void position (const Vector< double > &zeta, Vector< double > &r) const
 
void position (const unsigned &t, const Vector< double > &zeta, Vector< double > &r) const
 
void dposition_dt (const Vector< double > &zeta, const unsigned &t, Vector< double > &drdt)
 
virtual double zeta_nodal (const unsigned &n, const unsigned &k, const unsigned &i) const
 
void interpolated_zeta (const Vector< double > &s, Vector< double > &zeta) const
 
void locate_zeta (const Vector< double > &zeta, GeomObject *&geom_object_pt, Vector< double > &s, const bool &use_coordinate_as_initial_guess=false)
 
virtual void node_update ()
 
virtual void identify_field_data_for_interactions (std::set< std::pair< Data *, unsigned >> &paired_field_data)
 
virtual void identify_geometric_data (std::set< Data * > &geometric_data_pt)
 
double size () const
 
virtual double compute_physical_size () const
 
virtual void point_output_data (const Vector< double > &s, Vector< double > &data)
 
void point_output (std::ostream &outfile, const Vector< double > &s)
 
void output_paraview (std::ofstream &file_out, const unsigned &nplot) const
 
virtual unsigned nscalar_paraview () const
 
virtual void scalar_value_paraview (std::ofstream &file_out, const unsigned &i, const unsigned &nplot) const
 
virtual void scalar_value_fct_paraview (std::ofstream &file_out, const unsigned &i, const unsigned &nplot, FiniteElement::SteadyExactSolutionFctPt exact_soln_pt) const
 
virtual void scalar_value_fct_paraview (std::ofstream &file_out, const unsigned &i, const unsigned &nplot, const double &time, FiniteElement::UnsteadyExactSolutionFctPt exact_soln_pt) const
 
virtual std::string scalar_name_paraview (const unsigned &i) const
 
virtual void output (const unsigned &t, std::ostream &outfile, const unsigned &n_plot) const
 
virtual void output_fct (std::ostream &outfile, const unsigned &n_plot, FiniteElement::SteadyExactSolutionFctPt exact_soln_pt)
 Output an exact solution over the element. More...
 
virtual void output_fct (std::ostream &outfile, const unsigned &n_plot, const double &time, FiniteElement::UnsteadyExactSolutionFctPt exact_soln_pt)
 Output a time-dependent exact solution over the element. More...
 
virtual void output_fct (std::ostream &outfile, const unsigned &n_plot, const double &time, const SolutionFunctorBase &exact_soln) const
 Output a time-dependent exact solution over the element. More...
 
virtual void write_tecplot_zone_footer (std::ostream &outfile, const unsigned &nplot) const
 
virtual void write_tecplot_zone_footer (FILE *file_pt, const unsigned &nplot) const
 
virtual void compute_error (FiniteElement::SteadyExactSolutionFctPt exact_soln_pt, double &error, double &norm)
 Calculate the norm of the error and that of the exact solution. More...
 
virtual void compute_error (FiniteElement::UnsteadyExactSolutionFctPt exact_soln_pt, const double &time, double &error, double &norm)
 Calculate the norm of the error and that of the exact solution. More...
 
virtual void compute_error (FiniteElement::SteadyExactSolutionFctPt exact_soln_pt, Vector< double > &error, Vector< double > &norm)
 
virtual void compute_error (FiniteElement::UnsteadyExactSolutionFctPt exact_soln_pt, const double &time, Vector< double > &error, Vector< double > &norm)
 
virtual void compute_error (std::ostream &outfile, FiniteElement::SteadyExactSolutionFctPt exact_soln_pt, double &error, double &norm)
 
virtual void compute_error (std::ostream &outfile, FiniteElement::UnsteadyExactSolutionFctPt exact_soln_pt, const double &time, double &error, double &norm)
 
virtual void compute_error (std::ostream &outfile, FiniteElement::SteadyExactSolutionFctPt exact_soln_pt, Vector< double > &error, Vector< double > &norm)
 
virtual void compute_error (std::ostream &outfile, FiniteElement::UnsteadyExactSolutionFctPt exact_soln_pt, const double &time, Vector< double > &error, Vector< double > &norm)
 
virtual void compute_abs_error (std::ostream &outfile, FiniteElement::SteadyExactSolutionFctPt exact_soln_pt, double &error)
 
void integrate_fct (FiniteElement::SteadyExactSolutionFctPt integrand_fct_pt, Vector< double > &integral)
 Integrate Vector-valued function over element. More...
 
void integrate_fct (FiniteElement::UnsteadyExactSolutionFctPt integrand_fct_pt, const double &time, Vector< double > &integral)
 Integrate Vector-valued time-dep function over element. More...
 
virtual void build_face_element (const int &face_index, FaceElement *face_element_pt)
 
virtual unsigned self_test ()
 
void face_node_number_error_check (const unsigned &i) const
 Range check for face node numbers. More...
 
- Public Member Functions inherited from oomph::GeneralisedElement
 GeneralisedElement ()
 Constructor: Initialise all pointers and all values to zero. More...
 
virtual ~GeneralisedElement ()
 Virtual destructor to clean up any memory allocated by the object. More...
 
 GeneralisedElement (const GeneralisedElement &)=delete
 Broken copy constructor. More...
 
void operator= (const GeneralisedElement &)=delete
 Broken assignment operator. More...
 
Data *& internal_data_pt (const unsigned &i)
 Return a pointer to i-th internal data object. More...
 
Data *const & internal_data_pt (const unsigned &i) const
 Return a pointer to i-th internal data object (const version) More...
 
Data *& external_data_pt (const unsigned &i)
 Return a pointer to i-th external data object. More...
 
Data *const & external_data_pt (const unsigned &i) const
 Return a pointer to i-th external data object (const version) More...
 
unsigned long eqn_number (const unsigned &ieqn_local) const
 
int local_eqn_number (const unsigned long &ieqn_global) const
 
unsigned add_external_data (Data *const &data_pt, const bool &fd=true)
 
bool external_data_fd (const unsigned &i) const
 
void exclude_external_data_fd (const unsigned &i)
 
void include_external_data_fd (const unsigned &i)
 
void flush_external_data ()
 Flush all external data. More...
 
void flush_external_data (Data *const &data_pt)
 Flush the object addressed by data_pt from the external data array. More...
 
unsigned ninternal_data () const
 Return the number of internal data objects. More...
 
unsigned nexternal_data () const
 Return the number of external data objects. More...
 
unsigned ndof () const
 Return the number of equations/dofs in the element. More...
 
void dof_vector (const unsigned &t, Vector< double > &dof)
 Return the vector of dof values at time level t. More...
 
void dof_pt_vector (Vector< double * > &dof_pt)
 Return the vector of pointers to dof values. More...
 
void set_internal_data_time_stepper (const unsigned &i, TimeStepper *const &time_stepper_pt, const bool &preserve_existing_data)
 
void assign_internal_eqn_numbers (unsigned long &global_number, Vector< double * > &Dof_pt)
 
void describe_dofs (std::ostream &out, const std::string &current_string) const
 
void add_internal_value_pt_to_map (std::map< unsigned, double * > &map_of_value_pt)
 
virtual void assign_local_eqn_numbers (const bool &store_local_dof_pt)
 
virtual void complete_setup_of_dependencies ()
 
virtual void get_residuals (Vector< double > &residuals)
 
virtual void get_jacobian (Vector< double > &residuals, DenseMatrix< double > &jacobian)
 
virtual void get_mass_matrix (Vector< double > &residuals, DenseMatrix< double > &mass_matrix)
 
virtual void get_jacobian_and_mass_matrix (Vector< double > &residuals, DenseMatrix< double > &jacobian, DenseMatrix< double > &mass_matrix)
 
virtual void get_dresiduals_dparameter (double *const &parameter_pt, Vector< double > &dres_dparam)
 
virtual void get_djacobian_dparameter (double *const &parameter_pt, Vector< double > &dres_dparam, DenseMatrix< double > &djac_dparam)
 
virtual void get_djacobian_and_dmass_matrix_dparameter (double *const &parameter_pt, Vector< double > &dres_dparam, DenseMatrix< double > &djac_dparam, DenseMatrix< double > &dmass_matrix_dparam)
 
virtual void get_hessian_vector_products (Vector< double > const &Y, DenseMatrix< double > const &C, DenseMatrix< double > &product)
 
virtual void get_inner_products (Vector< std::pair< unsigned, unsigned >> const &history_index, Vector< double > &inner_product)
 
virtual void get_inner_product_vectors (Vector< unsigned > const &history_index, Vector< Vector< double >> &inner_product_vector)
 
virtual void compute_norm (Vector< double > &norm)
 
virtual void compute_norm (double &norm)
 
virtual unsigned ndof_types () const
 
virtual void get_dof_numbers_for_unknowns (std::list< std::pair< unsigned long, unsigned >> &dof_lookup_list) const
 
- Public Member Functions inherited from oomph::GeomObject
 GeomObject ()
 Default constructor. More...
 
 GeomObject (const unsigned &ndim)
 
 GeomObject (const unsigned &nlagrangian, const unsigned &ndim)
 
 GeomObject (const unsigned &nlagrangian, const unsigned &ndim, TimeStepper *time_stepper_pt)
 
 GeomObject (const GeomObject &dummy)=delete
 Broken copy constructor. More...
 
void operator= (const GeomObject &)=delete
 Broken assignment operator. More...
 
virtual ~GeomObject ()
 (Empty) destructor More...
 
unsigned nlagrangian () const
 Access function to # of Lagrangian coordinates. More...
 
unsigned ndim () const
 Access function to # of Eulerian coordinates. More...
 
void set_nlagrangian_and_ndim (const unsigned &n_lagrangian, const unsigned &n_dim)
 Set # of Lagrangian and Eulerian coordinates. More...
 
TimeStepper *& time_stepper_pt ()
 
TimeSteppertime_stepper_pt () const
 
virtual void position (const double &t, const Vector< double > &zeta, Vector< double > &r) const
 
virtual void dposition (const Vector< double > &zeta, DenseMatrix< double > &drdzeta) const
 
virtual void d2position (const Vector< double > &zeta, RankThreeTensor< double > &ddrdzeta) const
 
virtual void d2position (const Vector< double > &zeta, Vector< double > &r, DenseMatrix< double > &drdzeta, RankThreeTensor< double > &ddrdzeta) const
 

Private Attributes

doubleLambda_pt
 
doubleMu_pt
 

Additional Inherited Members

- Public Types inherited from oomph::FiniteElement
typedef void(* SteadyExactSolutionFctPt) (const Vector< double > &, Vector< double > &)
 
typedef void(* UnsteadyExactSolutionFctPt) (const double &, const Vector< double > &, Vector< double > &)
 
- Static Public Attributes inherited from oomph::FiniteElement
static double Tolerance_for_singular_jacobian = 1.0e-16
 Tolerance below which the jacobian is considered singular. More...
 
static bool Accept_negative_jacobian = false
 
static bool Suppress_output_while_checking_for_inverted_elements
 
- Static Public Attributes inherited from oomph::GeneralisedElement
static bool Suppress_warning_about_repeated_internal_data
 
static bool Suppress_warning_about_repeated_external_data = true
 
static double Default_fd_jacobian_step = 1.0e-8
 
- Protected Member Functions inherited from oomph::FiniteElement
virtual void assemble_local_to_eulerian_jacobian (const DShape &dpsids, DenseMatrix< double > &jacobian) const
 
virtual void assemble_local_to_eulerian_jacobian2 (const DShape &d2psids, DenseMatrix< double > &jacobian2) const
 
virtual void assemble_eulerian_base_vectors (const DShape &dpsids, DenseMatrix< double > &interpolated_G) const
 
template<unsigned DIM>
double invert_jacobian (const DenseMatrix< double > &jacobian, DenseMatrix< double > &inverse_jacobian) const
 
virtual double local_to_eulerian_mapping (const DShape &dpsids, DenseMatrix< double > &jacobian, DenseMatrix< double > &inverse_jacobian) const
 
double local_to_eulerian_mapping (const DShape &dpsids, DenseMatrix< double > &inverse_jacobian) const
 
virtual double local_to_eulerian_mapping_diagonal (const DShape &dpsids, DenseMatrix< double > &jacobian, DenseMatrix< double > &inverse_jacobian) const
 
virtual void dJ_eulerian_dnodal_coordinates (const DenseMatrix< double > &jacobian, const DShape &dpsids, DenseMatrix< double > &djacobian_dX) const
 
template<unsigned DIM>
void dJ_eulerian_dnodal_coordinates_templated_helper (const DenseMatrix< double > &jacobian, const DShape &dpsids, DenseMatrix< double > &djacobian_dX) const
 
virtual void d_dshape_eulerian_dnodal_coordinates (const double &det_jacobian, const DenseMatrix< double > &jacobian, const DenseMatrix< double > &djacobian_dX, const DenseMatrix< double > &inverse_jacobian, const DShape &dpsids, RankFourTensor< double > &d_dpsidx_dX) const
 
template<unsigned DIM>
void d_dshape_eulerian_dnodal_coordinates_templated_helper (const double &det_jacobian, const DenseMatrix< double > &jacobian, const DenseMatrix< double > &djacobian_dX, const DenseMatrix< double > &inverse_jacobian, const DShape &dpsids, RankFourTensor< double > &d_dpsidx_dX) const
 
virtual void transform_derivatives (const DenseMatrix< double > &inverse_jacobian, DShape &dbasis) const
 
void transform_derivatives_diagonal (const DenseMatrix< double > &inverse_jacobian, DShape &dbasis) const
 
virtual void transform_second_derivatives (const DenseMatrix< double > &jacobian, const DenseMatrix< double > &inverse_jacobian, const DenseMatrix< double > &jacobian2, DShape &dbasis, DShape &d2basis) const
 
template<unsigned DIM>
void transform_second_derivatives_template (const DenseMatrix< double > &jacobian, const DenseMatrix< double > &inverse_jacobian, const DenseMatrix< double > &jacobian2, DShape &dbasis, DShape &d2basis) const
 
template<unsigned DIM>
void transform_second_derivatives_diagonal (const DenseMatrix< double > &jacobian, const DenseMatrix< double > &inverse_jacobian, const DenseMatrix< double > &jacobian2, DShape &dbasis, DShape &d2basis) const
 
virtual void fill_in_jacobian_from_nodal_by_fd (Vector< double > &residuals, DenseMatrix< double > &jacobian)
 
void fill_in_jacobian_from_nodal_by_fd (DenseMatrix< double > &jacobian)
 
virtual void update_before_nodal_fd ()
 
virtual void reset_after_nodal_fd ()
 
virtual void update_in_nodal_fd (const unsigned &i)
 
virtual void reset_in_nodal_fd (const unsigned &i)
 
void fill_in_contribution_to_jacobian (Vector< double > &residuals, DenseMatrix< double > &jacobian)
 
template<>
double invert_jacobian (const DenseMatrix< double > &jacobian, DenseMatrix< double > &inverse_jacobian) const
 Zero-d specialisation of function to calculate inverse of jacobian mapping. More...
 
template<>
double invert_jacobian (const DenseMatrix< double > &jacobian, DenseMatrix< double > &inverse_jacobian) const
 One-d specialisation of function to calculate inverse of jacobian mapping. More...
 
template<>
double invert_jacobian (const DenseMatrix< double > &jacobian, DenseMatrix< double > &inverse_jacobian) const
 Two-d specialisation of function to calculate inverse of jacobian mapping. More...
 
template<>
double invert_jacobian (const DenseMatrix< double > &jacobian, DenseMatrix< double > &inverse_jacobian) const
 
template<>
void dJ_eulerian_dnodal_coordinates_templated_helper (const DenseMatrix< double > &jacobian, const DShape &dpsids, DenseMatrix< double > &djacobian_dX) const
 
template<>
void dJ_eulerian_dnodal_coordinates_templated_helper (const DenseMatrix< double > &jacobian, const DShape &dpsids, DenseMatrix< double > &djacobian_dX) const
 
template<>
void dJ_eulerian_dnodal_coordinates_templated_helper (const DenseMatrix< double > &jacobian, const DShape &dpsids, DenseMatrix< double > &djacobian_dX) const
 
template<>
void dJ_eulerian_dnodal_coordinates_templated_helper (const DenseMatrix< double > &jacobian, const DShape &dpsids, DenseMatrix< double > &djacobian_dX) const
 
template<>
void d_dshape_eulerian_dnodal_coordinates_templated_helper (const double &det_jacobian, const DenseMatrix< double > &jacobian, const DenseMatrix< double > &djacobian_dX, const DenseMatrix< double > &inverse_jacobian, const DShape &dpsids, RankFourTensor< double > &d_dpsidx_dX) const
 
template<>
void d_dshape_eulerian_dnodal_coordinates_templated_helper (const double &det_jacobian, const DenseMatrix< double > &jacobian, const DenseMatrix< double > &djacobian_dX, const DenseMatrix< double > &inverse_jacobian, const DShape &dpsids, RankFourTensor< double > &d_dpsidx_dX) const
 
template<>
void d_dshape_eulerian_dnodal_coordinates_templated_helper (const double &det_jacobian, const DenseMatrix< double > &jacobian, const DenseMatrix< double > &djacobian_dX, const DenseMatrix< double > &inverse_jacobian, const DShape &dpsids, RankFourTensor< double > &d_dpsidx_dX) const
 
template<>
void d_dshape_eulerian_dnodal_coordinates_templated_helper (const double &det_jacobian, const DenseMatrix< double > &jacobian, const DenseMatrix< double > &djacobian_dX, const DenseMatrix< double > &inverse_jacobian, const DShape &dpsids, RankFourTensor< double > &d_dpsidx_dX) const
 
template<>
void transform_second_derivatives_template (const DenseMatrix< double > &jacobian, const DenseMatrix< double > &inverse_jacobian, const DenseMatrix< double > &jacobian2, DShape &dbasis, DShape &d2basis) const
 
template<>
void transform_second_derivatives_template (const DenseMatrix< double > &jacobian, const DenseMatrix< double > &inverse_jacobian, const DenseMatrix< double > &jacobian2, DShape &dbasis, DShape &d2basis) const
 
template<>
void transform_second_derivatives_diagonal (const DenseMatrix< double > &jacobian, const DenseMatrix< double > &inverse_jacobian, const DenseMatrix< double > &jacobian2, DShape &dbasis, DShape &d2basis) const
 
template<>
void transform_second_derivatives_diagonal (const DenseMatrix< double > &jacobian, const DenseMatrix< double > &inverse_jacobian, const DenseMatrix< double > &jacobian2, DShape &dbasis, DShape &d2basis) const
 
- Protected Member Functions inherited from oomph::GeneralisedElement
unsigned add_internal_data (Data *const &data_pt, const bool &fd=true)
 
bool internal_data_fd (const unsigned &i) const
 
void exclude_internal_data_fd (const unsigned &i)
 
void include_internal_data_fd (const unsigned &i)
 
void clear_global_eqn_numbers ()
 
void add_global_eqn_numbers (std::deque< unsigned long > const &global_eqn_numbers, std::deque< double * > const &global_dof_pt)
 
virtual void assign_internal_and_external_local_eqn_numbers (const bool &store_local_dof_pt)
 
virtual void assign_additional_local_eqn_numbers ()
 
int internal_local_eqn (const unsigned &i, const unsigned &j) const
 
int external_local_eqn (const unsigned &i, const unsigned &j)
 
void fill_in_jacobian_from_internal_by_fd (Vector< double > &residuals, DenseMatrix< double > &jacobian, const bool &fd_all_data=false)
 
void fill_in_jacobian_from_internal_by_fd (DenseMatrix< double > &jacobian, const bool &fd_all_data=false)
 
void fill_in_jacobian_from_external_by_fd (Vector< double > &residuals, DenseMatrix< double > &jacobian, const bool &fd_all_data=false)
 
void fill_in_jacobian_from_external_by_fd (DenseMatrix< double > &jacobian, const bool &fd_all_data=false)
 
virtual void update_before_internal_fd ()
 
virtual void reset_after_internal_fd ()
 
virtual void update_in_internal_fd (const unsigned &i)
 
virtual void reset_in_internal_fd (const unsigned &i)
 
virtual void update_before_external_fd ()
 
virtual void reset_after_external_fd ()
 
virtual void update_in_external_fd (const unsigned &i)
 
virtual void reset_in_external_fd (const unsigned &i)
 
virtual void fill_in_contribution_to_mass_matrix (Vector< double > &residuals, DenseMatrix< double > &mass_matrix)
 
virtual void fill_in_contribution_to_jacobian_and_mass_matrix (Vector< double > &residuals, DenseMatrix< double > &jacobian, DenseMatrix< double > &mass_matrix)
 
virtual void fill_in_contribution_to_djacobian_and_dmass_matrix_dparameter (double *const &parameter_pt, Vector< double > &dres_dparam, DenseMatrix< double > &djac_dparam, DenseMatrix< double > &dmass_matrix_dparam)
 
virtual void fill_in_contribution_to_hessian_vector_products (Vector< double > const &Y, DenseMatrix< double > const &C, DenseMatrix< double > &product)
 
virtual void fill_in_contribution_to_inner_products (Vector< std::pair< unsigned, unsigned >> const &history_index, Vector< double > &inner_product)
 
virtual void fill_in_contribution_to_inner_product_vectors (Vector< unsigned > const &history_index, Vector< Vector< double >> &inner_product_vector)
 
- Protected Attributes inherited from oomph::FiniteElement
MacroElementMacro_elem_pt
 Pointer to the element's macro element (NULL by default) More...
 
- Protected Attributes inherited from oomph::GeomObject
unsigned NLagrangian
 Number of Lagrangian (intrinsic) coordinates. More...
 
unsigned Ndim
 Number of Eulerian coordinates. More...
 
TimeStepperGeom_object_time_stepper_pt
 
- Static Protected Attributes inherited from oomph::FiniteElement
static const unsigned Default_Initial_Nvalue = 0
 Default value for the number of values at a node. More...
 
static const double Node_location_tolerance = 1.0e-14
 
static const unsigned N2deriv [] = {0, 1, 3, 6}
 
- Static Protected Attributes inherited from oomph::GeneralisedElement
static DenseMatrix< doubleDummy_matrix
 
static std::deque< double * > Dof_pt_deque
 

Constructor & Destructor Documentation

◆ GelfandBratuElement()

template<unsigned NNODE_1D>
GelfandBratuElement< NNODE_1D >::GelfandBratuElement ( )
inline
62 {}

Member Function Documentation

◆ fill_in_contribution_to_djacobian_dparameter()

template<unsigned NNODE_1D>
void GelfandBratuElement< NNODE_1D >::fill_in_contribution_to_djacobian_dparameter ( double *const &  parameter_pt,
Vector< double > &  dres_dparam,
DenseMatrix< double > &  djac_dparam 
)
inlinevirtual

Add the element's contribution to the derivaives of its residual vector and element Jacobian matrix with respect to a parameter (wrapper)

Reimplemented from oomph::GeneralisedElement.

205  {
206  //Call the generic routine with the flag set to 1
208  dres_dparam,djac_dparam,1);
209  }
void fill_in_generic_dresidual_contribution(double *const &parameter_pt, Vector< double > &dres_dparam, DenseMatrix< double > &djac_dparam, unsigned flag)
Definition: fold.cc:215

◆ fill_in_contribution_to_dresiduals_dparameter()

template<unsigned NNODE_1D>
void GelfandBratuElement< NNODE_1D >::fill_in_contribution_to_dresiduals_dparameter ( double *const &  parameter_pt,
Vector< double > &  dres_dparam 
)
inlinevirtual

Add the element's contribution to the derivatives of its residual vector with respect to a parameter (wrapper)

Reimplemented from oomph::GeneralisedElement.

192  {
193  //Call the generic residuals function with flag set to 0
194  //using a dummy matrix argument
196  parameter_pt,dres_dparam,GeneralisedElement::Dummy_matrix,0);
197  }

◆ fill_in_contribution_to_jacobian()

template<unsigned NNODE_1D>
void GelfandBratuElement< NNODE_1D >::fill_in_contribution_to_jacobian ( Vector< double > &  residuals,
DenseMatrix< double > &  jacobian 
)
inlinevirtual

Add the element's contribution to its residual vector and element Jacobian matrix (wrapper)

Reimplemented from oomph::GeneralisedElement.

90  {
91  //Call the generic routine with the flag set to 1
92  fill_in_generic_residual_contribution(residuals,jacobian,1);
93  }
void fill_in_generic_residual_contribution(Vector< double > &residuals, DenseMatrix< double > &jacobian, unsigned flag)
Definition: fold.cc:99

◆ fill_in_contribution_to_residuals()

template<unsigned NNODE_1D>
void GelfandBratuElement< NNODE_1D >::fill_in_contribution_to_residuals ( Vector< double > &  residuals)
inlinevirtual

Add the element's contribution to its residual vector (wrapper)

Reimplemented from oomph::GeneralisedElement.

79  {
80  //Call the generic residuals function with flag set to 0
81  //using a dummy matrix argument
83  residuals,GeneralisedElement::Dummy_matrix,0);
84  }

◆ fill_in_generic_dresidual_contribution()

template<unsigned NNODE_1D>
void GelfandBratuElement< NNODE_1D >::fill_in_generic_dresidual_contribution ( double *const &  parameter_pt,
Vector< double > &  dres_dparam,
DenseMatrix< double > &  djac_dparam,
unsigned  flag 
)
inline

Calculate the elemental contributions to the derivatives of the global residual vector and jacobian for the weak form of the Gelfand-Bratu equation with respect to the passed parameter.

220  {
221  //There are only two parameters, if it's not either of them, then
222  //die
223  if((parameter_pt!=Lambda_pt) && (parameter_pt!=Mu_pt))
224  {
225  std::ostringstream error_stream;
226  error_stream <<
227  "Cannot compute analytic jacobian for parameter addressed by "
228  << parameter_pt << "\n";
229  error_stream << "Can only compute derivatives wrt lambda ("
230  << Lambda_pt << ") or mu (" << Mu_pt << ")\n";
231  throw OomphLibError(
232  error_stream.str(),
235  }
236 
237  //Find the number of nodes in the element
238  unsigned n_node = this->nnode();
239 
240  //Allocate memory for shape functions and their derivatives:
241  // There's one shape function for each node:
242  Shape psi(n_node);
243  // Each of the n_node shape functions has one derivative with
244  // respect to the single local coordinate:
245  DShape dpsidx(n_node,1);
246 
247  //Get the value of the parameter
248  double lam = lambda();
249  double m = mu();
250 
251  //Find the number of integration points in the underlying
252  //geometric element's integration scheme
253  unsigned n_intpt = this->integral_pt()->nweight();
254  //Loop over the integration points
255  for(unsigned ipt=0;ipt<n_intpt;ipt++)
256  {
257  //Set the value of the local coordinate to be the integration
258  //scheme's knot point
259  //Find the weight of the integration scheme at this knot point
260  double w = this->integral_pt()->weight(ipt);
261  //Find the shape functions and their derivatives at the knot point.
262  //This function is implemented in FiniteElement.
263  //It also returns the Jacobian of the mapping from local to
264  //global coordinates.
265  double J = this->dshape_eulerian_at_knot(ipt,psi,dpsidx);
266  //Premultiply the weight and the Jacobian
267  double W = w*J;
268 
269  //Allocate storage for the value of the field variable u,
270  //its derivative and the global position at the knot point.
271  //Initialise them all to zero.
272  double interpolated_u=0.0, interpolated_dudx=0.0;
273  //Calculate the interpolated values by looping over the shape
274  //functions and summing the appropriate contributions
275  for(unsigned n=0;n<n_node;n++)
276  {
277  double value = this->nodal_value(n,0);
278  interpolated_u += value*psi[n];
279  interpolated_dudx += value*dpsidx(n,0);
280  }
281 
282  //Get the derivative of the source function with respect to the
283  //parameter
284  double source = exp(interpolated_u);
285 
286  //If the parameter is lambda
287  if(parameter_pt==Lambda_pt) {source *= 2.0*lam;}
288  //Only other possibility is mu
289  else {source *= 2.0*m;}
290 
291  //ASSEMBLE THE DERIVATIVE OF THE RESIDUALS
292 
293  //Loop over the test functions (same as the shape functions
294  //since we're implementing an isoparametric element)
295  for(unsigned l=0;l<n_node;l++)
296  {
297  //Get the local equation number
298  //The variable is the first (only) value stored at the nodes
299  int local_eqn_number = this->nodal_local_eqn(l,0);
300  //If the equation is not a Dirichlet boundary condition
301  if(local_eqn_number >= 0)
302  {
303  //Add body force/source term here
304  dres_dparam[local_eqn_number] -= source*psi[l]*W;
305 
306  //If we are doing the jacobian terms
307  if(flag)
308  {
309  for(unsigned l2=0;l2<n_node;l2++)
310  {
311  int local_unknown = this->nodal_local_eqn(l2,0);
312  if(local_unknown >= 0)
313  {
314  djac_dparam(local_eqn_number,local_unknown) -=
315  source*psi[l2]*psi[l]*W;
316  }
317  }
318  }
319  }
320  }
321  } //End of loop over the integration points
322  } //End of function
const unsigned n
Definition: CG3DPackingUnitTest.cpp:11
JacobiRotation< float > J
Definition: Jacobi_makeJacobi.cpp:3
RowVector3d w
Definition: Matrix_resize_int.cpp:3
double * Lambda_pt
Definition: fold.cc:56
const double & lambda() const
Definition: fold.cc:65
double * Mu_pt
Definition: fold.cc:58
const double & mu() const
Definition: fold.cc:67
Definition: shape.h:278
double nodal_value(const unsigned &n, const unsigned &i) const
Definition: elements.h:2593
int nodal_local_eqn(const unsigned &n, const unsigned &i) const
Definition: elements.h:1432
unsigned nnode() const
Return the number of nodes.
Definition: elements.h:2210
Integral *const & integral_pt() const
Return the pointer to the integration scheme (const version)
Definition: elements.h:1963
virtual double dshape_eulerian_at_knot(const unsigned &ipt, Shape &psi, DShape &dpsidx) const
Definition: elements.cc:3325
int local_eqn_number(const unsigned long &ieqn_global) const
Definition: elements.h:726
virtual unsigned nweight() const =0
Return the number of integration points of the scheme.
virtual double weight(const unsigned &i) const =0
Return weight of i-th integration point.
Definition: oomph_definitions.h:222
Definition: shape.h:76
int * m
Definition: level2_cplx_impl.h:294
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 exp(const bfloat16 &a)
Definition: BFloat16.h:615
squared absolute value
Definition: GlobalFunctions.h:87
void source(const Vector< double > &x, Vector< double > &f)
Source function.
Definition: unstructured_two_d_circle.cc:46
@ W
Definition: quadtree.h:63
#define OOMPH_EXCEPTION_LOCATION
Definition: oomph_definitions.h:61
#define OOMPH_CURRENT_FUNCTION
Definition: oomph_definitions.h:86

References Eigen::bfloat16_impl::exp(), J, lambda, Global_Physical_Variables::Lambda_pt, m, Global_Parameters::mu, Global_Physical_Variables::Mu_pt, n, OOMPH_CURRENT_FUNCTION, OOMPH_EXCEPTION_LOCATION, TestProblem::source(), Eigen::value, w, and oomph::QuadTreeNames::W.

◆ fill_in_generic_residual_contribution()

template<unsigned NNODE_1D>
void GelfandBratuElement< NNODE_1D >::fill_in_generic_residual_contribution ( Vector< double > &  residuals,
DenseMatrix< double > &  jacobian,
unsigned  flag 
)
inline

Calculate the elemental contributions to the global residual vector for the weak form of the Gelfand-Bratu equation

102  {
103  //Find the number of nodes in the element
104  unsigned n_node = this->nnode();
105 
106  //Allocate memory for shape functions and their derivatives:
107  // There's one shape function for each node:
108  Shape psi(n_node);
109  // Each of the n_node shape functions has one derivative with
110  // respect to the single local coordinate:
111  DShape dpsidx(n_node,1);
112 
113  //Get the value of the parameter
114  double lam = lambda();
115  double m = mu();
116 
117  //Find the number of integration points in the underlying
118  //geometric element's integration scheme
119  unsigned n_intpt = this->integral_pt()->nweight();
120  //Loop over the integration points
121  for(unsigned ipt=0;ipt<n_intpt;ipt++)
122  {
123  //Set the value of the local coordinate to be the integration
124  //scheme's knot point
125  //Find the weight of the integration scheme at this knot point
126  double w = this->integral_pt()->weight(ipt);
127  //Find the shape functions and their derivatives at the knot point.
128  //This function is implemented in FiniteElement.
129  //It also returns the Jacobian of the mapping from local to
130  //global coordinates.
131  double J = this->dshape_eulerian_at_knot(ipt,psi,dpsidx);
132  //Premultiply the weight and the Jacobian
133  double W = w*J;
134 
135  //Allocate storage for the value of the field variable u,
136  //its derivative and the global position at the knot point.
137  //Initialise them all to zero.
138  double interpolated_u=0.0, interpolated_dudx=0.0;
139  //Calculate the interpolated values by looping over the shape
140  //functions and summing the appropriate contributions
141  for(unsigned n=0;n<n_node;n++)
142  {
143  double value = this->nodal_value(n,0);
144  interpolated_u += value*psi[n];
145  interpolated_dudx += value*dpsidx(n,0);
146  }
147 
148  //Get the source function
149  double source = (lam*lam + m*m)*exp(interpolated_u);
150 
151  //ASSEMBLE THE RESIDUALS
152 
153  //Loop over the test functions (same as the shape functions
154  //since we're implementing an isoparametric element)
155  for(unsigned l=0;l<n_node;l++)
156  {
157  //Get the local equation number
158  //The variable is the first (only) value stored at the nodes
159  int local_eqn_number = this->nodal_local_eqn(l,0);
160  //If the equation is not a Dirichlet boundary condition
161  if(local_eqn_number >= 0)
162  {
163  //Add body force/source term here
164  residuals[local_eqn_number] -= source*psi[l]*W;
165  //Add the Poisson bit itself
166  residuals[local_eqn_number] += interpolated_dudx*dpsidx(l,0)*W;
167 
168  //If we are doing the jacobian terms
169  if(flag)
170  {
171  for(unsigned l2=0;l2<n_node;l2++)
172  {
173  int local_unknown = this->nodal_local_eqn(l2,0);
174  if(local_unknown >= 0)
175  {
176  jacobian(local_eqn_number,local_unknown) -=
177  source*psi[l2]*psi[l]*W;
178  jacobian(local_eqn_number,local_unknown) +=
179  dpsidx(l2,0)*dpsidx(l,0)*W;
180  }
181  }
182  }
183  }
184  }
185  } //End of loop over the integration points
186  } //End of function

References Eigen::bfloat16_impl::exp(), J, lambda, m, Global_Parameters::mu, n, TestProblem::source(), Eigen::value, w, and oomph::QuadTreeNames::W.

◆ lambda()

template<unsigned NNODE_1D>
const double& GelfandBratuElement< NNODE_1D >::lambda ( ) const
inline
65 {return *Lambda_pt;}

References Global_Physical_Variables::Lambda_pt.

◆ lambda_pt()

template<unsigned NNODE_1D>
double* & GelfandBratuElement< NNODE_1D >::lambda_pt ( )
inline

◆ mu()

template<unsigned NNODE_1D>
const double& GelfandBratuElement< NNODE_1D >::mu ( ) const
inline
67 {return *Mu_pt;}

References Global_Physical_Variables::Mu_pt.

◆ mu_pt()

template<unsigned NNODE_1D>
double* & GelfandBratuElement< NNODE_1D >::mu_pt ( )
inline
72 {return Mu_pt;}

References Global_Physical_Variables::Mu_pt.

◆ output()

template<unsigned NNODE_1D>
void GelfandBratuElement< NNODE_1D >::output ( ostream &  outfile)
inlinevirtual

Output the element data — typically the values at the nodes in a format suitable for post-processing.

Reimplemented from oomph::FiniteElement.

328  {
329  //Read out the number of nodes in the element
330  unsigned n_node = this->nnode();
331  //Loop over the nodes and print out the global coordinate
332  //and value of the field variable, u, at each node
333  for(unsigned n=0;n<n_node;n++)
334  {
335  output << this->nodal_position(n,0) << " "
336  << this->nodal_value(n,0) << std::endl;
337  }
338  } //End of function
void output(ostream &output)
Definition: fold.cc:327
double nodal_position(const unsigned &n, const unsigned &i) const
Definition: elements.h:2317

References n, and output().

◆ required_nvalue()

template<unsigned NNODE_1D>
unsigned GelfandBratuElement< NNODE_1D >::required_nvalue ( const unsigned n) const
inlinevirtual

For the Equation, only one value is stored at each node.

Reimplemented from oomph::FiniteElement.

75 {return 1;}

Member Data Documentation

◆ Lambda_pt

template<unsigned NNODE_1D>
double* GelfandBratuElement< NNODE_1D >::Lambda_pt
private

◆ Mu_pt

template<unsigned NNODE_1D>
double* GelfandBratuElement< NNODE_1D >::Mu_pt
private

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