FluidTriangleMesh< ELEMENT > Class Template Reference

Triangle-based mesh upgraded to become a pseudo-solid mesh. More...

Inheritance diagram for FluidTriangleMesh< ELEMENT >:

Public Member Functions
	FluidTriangleMesh (const std::string &node_file_name, const std::string &element_file_name, const std::string &poly_file_name, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
	Constructor. More...
virtual	~FluidTriangleMesh ()
	Empty Destructor. More...
Public Member Functions inherited from oomph::TriangleMesh< ELEMENT >
	TriangleMesh ()
	Empty constructor. More...
	TriangleMesh (const std::string &node_file_name, const std::string &element_file_name, const std::string &poly_file_name, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper, const bool &allow_automatic_creation_of_vertices_on_boundaries=true)
	Constructor with the input files. More...
void	output_boundary_coordinates (const unsigned &b, std::ostream &outfile)
Public Member Functions inherited from oomph::TriangleMeshBase
	TriangleMeshBase ()
	Constructor. More...
	TriangleMeshBase (const TriangleMeshBase &node)=delete
	Broken copy constructor. More...
virtual	~TriangleMeshBase ()
	Broken assignment operator. More...
void	setup_boundary_element_info ()
void	setup_boundary_element_info (std::ostream &outfile)
virtual void	load_balance (const Vector< unsigned > &target_domain_for_local_non_halo_element)
	Virtual function to perform the load balance rutines. More...
virtual void	reset_boundary_element_info (Vector< unsigned > &ntmp_boundary_elements, Vector< Vector< unsigned >> &ntmp_boundary_elements_in_region, Vector< FiniteElement * > &deleted_elements)
	Virtual function to perform the reset boundary elements info rutines. More...
Public Member Functions inherited from oomph::UnstructuredTwoDMeshGeometryBase
	UnstructuredTwoDMeshGeometryBase ()
	Empty constructor. More...
	UnstructuredTwoDMeshGeometryBase (const UnstructuredTwoDMeshGeometryBase &dummy)=delete
	Broken copy constructor. More...
void	operator= (const UnstructuredTwoDMeshGeometryBase &)=delete
	Broken assignment operator. More...
	~UnstructuredTwoDMeshGeometryBase ()
	Empty destructor. More...
unsigned	nregion ()
	Return the number of regions specified by attributes. More...
unsigned	nregion_element (const unsigned &i)
	Return the number of elements in the i-th region. More...
FiniteElement *	region_element_pt (const unsigned &i, const unsigned &e)
	Return the e-th element in the i-th region. More...
unsigned	nregion_attribute ()
	Return the number of attributes used in the mesh. More...
double	region_attribute (const unsigned &i)
	Return the attribute associated with region i. More...
GeomObject *	boundary_geom_object_pt (const unsigned &b)
std::map< unsigned, GeomObject * > &	boundary_geom_object_pt ()
	Return direct access to the geometric object storage. More...
std::map< unsigned, Vector< double > > &	boundary_coordinate_limits ()
Vector< double > &	boundary_coordinate_limits (const unsigned &b)
unsigned	nboundary_element_in_region (const unsigned &b, const unsigned &r) const
	Return the number of elements adjacent to boundary b in region r. More...
FiniteElement *	boundary_element_in_region_pt (const unsigned &b, const unsigned &r, const unsigned &e) const
	Return pointer to the e-th element adjacent to boundary b in region r. More...
int	face_index_at_boundary_in_region (const unsigned &b, const unsigned &r, const unsigned &e) const
	Return face index of the e-th element adjacent to boundary b in region r. More...
TriangleMeshPolyLine *	boundary_polyline_pt (const unsigned &b)
std::map< unsigned, std::set< Node * > > &	nodes_on_boundary_pt ()
const bool	get_connected_vertex_number_on_destination_polyline (TriangleMeshPolyLine *dst_polyline_pt, Vector< double > &vertex_coordinates, unsigned &vertex_number)
void	check_contiguousness_on_polylines_helper (Vector< TriangleMeshPolyLine * > &polylines_pt, unsigned &index)
void	check_contiguousness_on_polylines_helper (Vector< TriangleMeshPolyLine * > &polylines_pt, unsigned &index_halo_start, unsigned &index_halo_end)
bool	is_point_inside_polygon_helper (Vector< Vector< double >> polygon_vertices, Vector< double > point)
	Helper function that checks if a given point is inside a polygon. More...
void	enable_automatic_creation_of_vertices_on_boundaries ()
void	disable_automatic_creation_of_vertices_on_boundaries ()
bool	is_automatic_creation_of_vertices_on_boundaries_allowed ()
template<class ELEMENT >
void	setup_boundary_coordinates (const unsigned &b)
template<class ELEMENT >
void	setup_boundary_coordinates (const unsigned &b, std::ofstream &outfile)
Public Member Functions inherited from oomph::Mesh
	Mesh ()
	Default constructor. More...
	Mesh (const Vector< Mesh * > &sub_mesh_pt)
void	merge_meshes (const Vector< Mesh * > &sub_mesh_pt)
template<class BULK_ELEMENT >
void	doc_boundary_coordinates (const unsigned &b, std::ofstream &the_file)
	Mesh (const Mesh &dummy)=delete
	Broken copy constructor. More...
void	operator= (const Mesh &)=delete
	Broken assignment operator. More...
virtual	~Mesh ()
	Virtual Destructor to clean up all memory. More...
void	flush_element_and_node_storage ()
void	flush_element_storage ()
void	flush_node_storage ()
Node *&	node_pt (const unsigned long &n)
	Return pointer to global node n. More...
Node *	node_pt (const unsigned long &n) const
	Return pointer to global node n (const version) More...
GeneralisedElement *&	element_pt (const unsigned long &e)
	Return pointer to element e. More...
GeneralisedElement *	element_pt (const unsigned long &e) const
	Return pointer to element e (const version) More...
const Vector< GeneralisedElement * > &	element_pt () const
	Return reference to the Vector of elements. More...
Vector< GeneralisedElement * > &	element_pt ()
	Return reference to the Vector of elements. More...
FiniteElement *	finite_element_pt (const unsigned &e) const
Node *&	boundary_node_pt (const unsigned &b, const unsigned &n)
	Return pointer to node n on boundary b. More...
Node *	boundary_node_pt (const unsigned &b, const unsigned &n) const
	Return pointer to node n on boundary b. More...
void	set_nboundary (const unsigned &nbound)
	Set the number of boundaries in the mesh. More...
void	remove_boundary_nodes ()
	Clear all pointers to boundary nodes. More...
void	remove_boundary_nodes (const unsigned &b)
void	remove_boundary_node (const unsigned &b, Node *const &node_pt)
	Remove a node from the boundary b. More...
void	add_boundary_node (const unsigned &b, Node *const &node_pt)
	Add a (pointer to) a node to the b-th boundary. More...
void	copy_boundary_node_data_from_nodes ()
bool	boundary_coordinate_exists (const unsigned &i) const
	Indicate whether the i-th boundary has an intrinsic coordinate. More...
unsigned long	nelement () const
	Return number of elements in the mesh. More...
unsigned long	nnode () const
	Return number of nodes in the mesh. More...
unsigned	ndof_types () const
	Return number of dof types in mesh. More...
unsigned	elemental_dimension () const
	Return number of elemental dimension in mesh. More...
unsigned	nodal_dimension () const
	Return number of nodal dimension in mesh. More...
void	add_node_pt (Node *const &node_pt)
	Add a (pointer to a) node to the mesh. More...
void	add_element_pt (GeneralisedElement *const &element_pt)
	Add a (pointer to) an element to the mesh. More...
virtual void	node_update (const bool &update_all_solid_nodes=false)
virtual void	reorder_nodes (const bool &use_old_ordering=true)
virtual void	get_node_reordering (Vector< Node * > &reordering, const bool &use_old_ordering=true) const
template<class BULK_ELEMENT , template< class > class FACE_ELEMENT>
void	build_face_mesh (const unsigned &b, Mesh *const &face_mesh_pt)
unsigned	self_test ()
	Self-test: Check elements and nodes. Return 0 for OK. More...
void	max_and_min_element_size (double &max_size, double &min_size)
double	total_size ()
void	check_inverted_elements (bool &mesh_has_inverted_elements, std::ofstream &inverted_element_file)
void	check_inverted_elements (bool &mesh_has_inverted_elements)
unsigned	check_for_repeated_nodes (const double &epsilon=1.0e-12)
Vector< Node * >	prune_dead_nodes ()
unsigned	nboundary () const
	Return number of boundaries. More...
unsigned long	nboundary_node (const unsigned &ibound) const
	Return number of nodes on a particular boundary. More...
FiniteElement *	boundary_element_pt (const unsigned &b, const unsigned &e) const
	Return pointer to e-th finite element on boundary b. More...
Node *	get_some_non_boundary_node () const
unsigned	nboundary_element (const unsigned &b) const
	Return number of finite elements that are adjacent to boundary b. More...
int	face_index_at_boundary (const unsigned &b, const unsigned &e) const
virtual void	dump (std::ofstream &dump_file, const bool &use_old_ordering=true) const
	Dump the data in the mesh into a file for restart. More...
void	dump (const std::string &dump_file_name, const bool &use_old_ordering=true) const
	Dump the data in the mesh into a file for restart. More...
virtual void	read (std::ifstream &restart_file)
	Read solution from restart file. More...
void	output_paraview (std::ofstream &file_out, const unsigned &nplot) const
void	output_fct_paraview (std::ofstream &file_out, const unsigned &nplot, FiniteElement::SteadyExactSolutionFctPt exact_soln_pt) const
void	output_fct_paraview (std::ofstream &file_out, const unsigned &nplot, const double &time, FiniteElement::UnsteadyExactSolutionFctPt exact_soln_pt) const
void	output (std::ostream &outfile)
	Output for all elements. More...
void	output (std::ostream &outfile, const unsigned &n_plot)
	Output at f(n_plot) points in each element. More...
void	output (FILE *file_pt)
	Output for all elements (C-style output) More...
void	output (FILE *file_pt, const unsigned &nplot)
	Output at f(n_plot) points in each element (C-style output) More...
void	output (const std::string &output_filename)
	Output for all elements. More...
void	output (const std::string &output_filename, const unsigned &n_plot)
	Output at f(n_plot) points in each element. More...
void	output_fct (std::ostream &outfile, const unsigned &n_plot, FiniteElement::SteadyExactSolutionFctPt)
	Output a given Vector function at f(n_plot) points in each element. More...
void	output_fct (std::ostream &outfile, const unsigned &n_plot, const double &time, FiniteElement::UnsteadyExactSolutionFctPt)
void	output_boundaries (std::ostream &outfile)
	Output the nodes on the boundaries (into separate tecplot zones) More...
void	output_boundaries (const std::string &output_filename)
void	assign_initial_values_impulsive ()
	Assign initial values for an impulsive start. More...
void	shift_time_values ()
void	calculate_predictions ()
void	set_nodal_and_elemental_time_stepper (TimeStepper *const &time_stepper_pt, const bool &preserve_existing_data)
void	set_consistent_pinned_values_for_continuation (ContinuationStorageScheme *const &continuation_stepper_pt)
	Set consistent values for pinned data in continuation. More...
bool	does_pointer_correspond_to_mesh_data (double *const &parameter_pt)
	Does the double pointer correspond to any mesh data. More...
void	set_nodal_time_stepper (TimeStepper *const &time_stepper_pt, const bool &preserve_existing_data)
	Set the timestepper associated with the nodal data in the mesh. More...
void	set_elemental_internal_time_stepper (TimeStepper *const &time_stepper_pt, const bool &preserve_existing_data)
virtual void	compute_norm (double &norm)
virtual void	compute_norm (Vector< 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, double &error, double &norm)
virtual void	compute_error (FiniteElement::SteadyExactSolutionFctPt exact_soln_pt, double &error, double &norm)
virtual void	compute_error (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_error (std::ostream &outfile, FiniteElement::SteadyExactSolutionFctPt exact_soln_pt, Vector< double > &error, Vector< double > &norm)
virtual void	compute_error (FiniteElement::UnsteadyExactSolutionFctPt exact_soln_pt, const double &time, double &error, double &norm)
	Returns the norm of the error and that of the exact solution. More...
virtual void	compute_error (FiniteElement::UnsteadyExactSolutionFctPt exact_soln_pt, const double &time, Vector< double > &error, Vector< double > &norm)
bool	is_mesh_distributed () const
	Boolean to indicate if Mesh has been distributed. More...
OomphCommunicator *	communicator_pt () const
void	delete_all_external_storage ()
	Wipe the storage for all externally-based elements. More...
Public Member Functions inherited from oomph::SolidMesh
	SolidMesh ()
	Default constructor. More...
	SolidMesh (const SolidMesh &dummy)=delete
	Broken copy constructor. More...
void	operator= (const SolidMesh &)=delete
	Broken assignment operator. More...
	SolidMesh (const Vector< SolidMesh * > &sub_mesh_pt)
SolidNode *	node_pt (const unsigned long &n)
	Return a pointer to the n-th global SolidNode. More...
SolidNode *	boundary_node_pt (const unsigned &b, const unsigned &n)
	Return n-th SolidNodes on b-th boundary. More...
SolidNode *	element_node_pt (const unsigned long &e, const unsigned &n)
void	set_lagrangian_nodal_coordinates ()
void	scale_mesh (const double &factor)

Additional Inherited Members
Public Types inherited from oomph::Mesh
typedef void(FiniteElement::*	SteadyExactSolutionFctPt) (const Vector< double > &x, Vector< double > &soln)
typedef void(FiniteElement::*	UnsteadyExactSolutionFctPt) (const double &time, const Vector< double > &x, Vector< double > &soln)
Static Public Attributes inherited from oomph::UnstructuredTwoDMeshGeometryBase
static bool	Suppress_warning_about_regions_and_boundaries
	Public static flag to suppress warning; defaults to false. More...
Static Public Attributes inherited from oomph::Mesh
static Steady< 0 >	Default_TimeStepper
	The Steady Timestepper. More...
static bool	Suppress_warning_about_empty_mesh_level_time_stepper_function
	Static boolean flag to control warning about mesh level timesteppers. More...
Static Public Attributes inherited from oomph::SolidMesh
static SolidICProblem	Solid_IC_problem
Protected Member Functions inherited from oomph::TriangleMesh< ELEMENT >
	TriangleMesh (const TriangleMesh &dummy)=delete
	Broken copy constructor. More...
void	operator= (const TriangleMesh &)=delete
	Broken assignment operator. More...
virtual	~TriangleMesh ()
	Destructor. More...
void	set_mesh_level_time_stepper (TimeStepper *const &time_stepper_pt, const bool &preserve_existing_data)
Vector< unsigned >	oomph_vertex_nodes_id ()
void	build_from_scaffold (TimeStepper *time_stepper_pt, const bool &use_attributes)
	Build mesh from scaffold. More...
Protected Member Functions inherited from oomph::UnstructuredTwoDMeshGeometryBase
void	snap_nodes_onto_geometric_objects ()
void	copy_connection_information (TriangleMeshCurveSection *input_curve_pt, TriangleMeshCurveSection *output_curve_pt)
void	copy_connection_information_to_sub_polylines (TriangleMeshCurveSection *input_curve_pt, TriangleMeshCurveSection *output_curve_pt)
Protected Member Functions inherited from oomph::Mesh
unsigned long	assign_global_eqn_numbers (Vector< double * > &Dof_pt)
	Assign (global) equation numbers to the nodes. More...
void	describe_dofs (std::ostream &out, const std::string &current_string) const
void	describe_local_dofs (std::ostream &out, const std::string &current_string) const
void	assign_local_eqn_numbers (const bool &store_local_dof_pt)
	Assign local equation numbers in all elements. More...
void	convert_to_boundary_node (Node *&node_pt, const Vector< FiniteElement * > &finite_element_pt)
void	convert_to_boundary_node (Node *&node_pt)
Protected Attributes inherited from oomph::TriangleMesh< ELEMENT >
TimeStepper *	Time_stepper_pt
	Timestepper used to build elements. More...
bool	Use_attributes
std::map< unsigned, double >	Regions_areas
TriangleScaffoldMesh *	Tmp_mesh_pt
	Temporary scaffold mesh. More...
Vector< unsigned >	Oomph_vertex_nodes_id
Protected Attributes inherited from oomph::UnstructuredTwoDMeshGeometryBase
bool	Allow_automatic_creation_of_vertices_on_boundaries
std::map< unsigned, Vector< FiniteElement * > >	Region_element_pt
Vector< double >	Region_attribute
	Vector of attributes associated with the elements in each region. More...
std::map< unsigned, GeomObject * >	Boundary_geom_object_pt
	Storage for the geometric objects associated with any boundaries. More...
std::map< unsigned, Vector< double > >	Boundary_coordinate_limits
Vector< TriangleMeshPolygon * >	Outer_boundary_pt
	Polygon that defines outer boundaries. More...
Vector< TriangleMeshPolygon * >	Internal_polygon_pt
	Vector of polygons that define internal polygons. More...
Vector< TriangleMeshOpenCurve * >	Internal_open_curve_pt
	Vector of open polylines that define internal curves. More...
Vector< Vector< double > >	Extra_holes_coordinates
	Storage for extra coordinates for holes. More...
std::map< unsigned, Vector< double > >	Regions_coordinates
std::map< unsigned, TriangleMeshCurveSection * >	Boundary_curve_section_pt
Vector< std::map< unsigned, Vector< FiniteElement * > > >	Boundary_region_element_pt
	Storage for elements adjacent to a boundary in a particular region. More...
Vector< std::map< unsigned, Vector< int > > >	Face_index_region_at_boundary
	Storage for the face index adjacent to a boundary in a particular region. More...
std::map< unsigned, Vector< std::pair< double, double > > >	Polygonal_vertex_arclength_info
std::map< unsigned, std::set< Node * > >	Nodes_on_boundary_pt
std::set< TriangleMeshCurveSection * >	Free_curve_section_pt
std::set< TriangleMeshPolygon * >	Free_polygon_pt
std::set< TriangleMeshOpenCurve * >	Free_open_curve_pt
Protected Attributes inherited from oomph::Mesh
Vector< Vector< Node * > >	Boundary_node_pt
bool	Lookup_for_elements_next_boundary_is_setup
Vector< Vector< FiniteElement * > >	Boundary_element_pt
Vector< Vector< int > >	Face_index_at_boundary
Vector< Node * >	Node_pt
	Vector of pointers to nodes. More...
Vector< GeneralisedElement * >	Element_pt
	Vector of pointers to generalised elements. More...
std::vector< bool >	Boundary_coordinate_exists

Detailed Description

template<class ELEMENT>
class FluidTriangleMesh< ELEMENT >

Triangle-based mesh upgraded to become a pseudo-solid mesh.

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

Constructor & Destructor Documentation

FluidTriangleMesh()

template<class ELEMENT >

FluidTriangleMesh< ELEMENT >::FluidTriangleMesh ( const std::string &  node_file_name, const std::string &  element_file_name, const std::string &  poly_file_name, TimeStepper *  time_stepper_pt = &Mesh::Default_TimeStepper  )

inline

Constructor.

                                             :
  TriangleMesh<ELEMENT>(node_file_name,element_file_name,
                        poly_file_name, time_stepper_pt)
  {
   //Assign the Lagrangian coordinates
   set_lagrangian_nodal_coordinates();
 
   // Identify special boundaries
   this->set_nboundary(4);
 
   unsigned n_node=this->nnode();
   for (unsigned j=0;j<n_node;j++)
    {
     Node* nod_pt=this->node_pt(j);
 
     // Boundary 1 is left (inflow) boundary
     if (nod_pt->x(0)<0.226)
      {
       this->remove_boundary_node(0,nod_pt);
       this->add_boundary_node(1,nod_pt);
 
       // Add overlapping nodes back to boundary 0
       if (nod_pt->x(1)<0.2) this->add_boundary_node(0,nod_pt);
       if (nod_pt->x(1)>4.06) this->add_boundary_node(0,nod_pt);
      }
 
     // Boundary 2 is right (outflow) boundary
     if (nod_pt->x(0)>8.28)
      {
       this->remove_boundary_node(0,nod_pt);
       this->add_boundary_node(2,nod_pt);
 
       // Add overlapping nodes back to boundary 0
       if (nod_pt->x(1)<0.2) this->add_boundary_node(0,nod_pt);
       if (nod_pt->x(1)>4.06) this->add_boundary_node(0,nod_pt);
 
      }
 
     // Boundary 3 is FSI boundary
     if (Global_Parameters::is_on_fsi_boundary(nod_pt))
      {
       this->remove_boundary_node(0,nod_pt);
       this->add_boundary_node(3,nod_pt);
       
       //If it's below y=0.2 it's also on boundary 0 so stick it back on
       if (nod_pt->x(1)<0.2) this->add_boundary_node(0,nod_pt);
      }
    }
   TriangleMesh<ELEMENT>::setup_boundary_element_info();
   
   // Open a file to doc the FaceElements that are used to
   // create the boundary coordinates. The elements must
   // form a simply-connected line. This may not work
   // if the mesh is too coarse so that, e.g. an element
   // that goes through the interior has endpoints that are
   // both located on the same boundary. Outputting the
   // FaceElements can help identify such cases.
   ofstream some_file("RESLT/boundary_generation_test.dat");
   
   // Setup boundary coordinates for boundaries 1, 2 and 3
   this->template setup_boundary_coordinates<ELEMENT>(1);
   this->template setup_boundary_coordinates<ELEMENT>(2);
   this->template setup_boundary_coordinates<ELEMENT>(3,some_file);
 
   // Close it again
   some_file.close();
  }

References Global_Parameters::is_on_fsi_boundary(), j, and oomph::Node::x().

~FluidTriangleMesh()

template<class ELEMENT >

virtual FluidTriangleMesh< ELEMENT >::~FluidTriangleMesh ( )

inlinevirtual

Empty Destructor.

{ }

---

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

• unstructured_two_d_fsi.cc