oomph::TwoDAnnularMesh< ELEMENT > Class Template Reference

#include <annular_mesh.template.h>

+ Inheritance diagram for oomph::TwoDAnnularMesh< ELEMENT >:

Public Member Functions

 TwoDAnnularMesh (const bool &periodic, const double &azimuthal_fraction, const unsigned &ntheta, const unsigned &nr, const double &a, const double &h, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
 Constructor. More...
 
 TwoDAnnularMesh (const bool &periodic, const double &azimuthal_fraction, const unsigned &ntheta, const unsigned &nr, const double &a, const double &h, const double &phi, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
 Constructor; rotate mesh by angle phi. More...
 
- Public Member Functions inherited from oomph::RectangularQuadMesh< ELEMENT >
 RectangularQuadMesh (const unsigned &nx, const unsigned &ny, const double &lx, const double &ly, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
 
 RectangularQuadMesh (const unsigned &nx, const unsigned &ny, const double &xmin, const double &xmax, const double &ymin, const double &ymax, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
 
 RectangularQuadMesh (const unsigned &nx, const unsigned &ny, const double &lx, const double &ly, const bool &periodic_in_x, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
 
 RectangularQuadMesh (const unsigned &nx, const unsigned &ny, const double &xmin, const double &xmax, const double &ymin, const double &ymax, const bool &periodic_in_x, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
 
const unsignednx () const
 Return number of elements in x direction. More...
 
const unsignedny () const
 Return number of elements in y direction. More...
 
const double x_min () const
 Return the minimum value of x coordinate. More...
 
const double x_max () const
 Return the maximum value of x coordinate. More...
 
const double y_min () const
 Return the minimum value of y coordinate. More...
 
const double y_max () const
 Return the maximum value of y coordinate. More...
 
virtual void element_reorder ()
 
virtual double x_spacing_function (unsigned xelement, unsigned xnode, unsigned yelement, unsigned ynode)
 
virtual double y_spacing_function (unsigned xelement, unsigned xnode, unsigned yelement, unsigned ynode)
 
- Public Member Functions inherited from oomph::QuadMeshBase
 QuadMeshBase ()
 Constructor (empty) More...
 
 QuadMeshBase (const QuadMeshBase &node)=delete
 Broken copy constructor. More...
 
void operator= (const QuadMeshBase &)=delete
 Broken assignment operator. More...
 
virtual ~QuadMeshBase ()
 Destructor (empty) More...
 
void setup_boundary_element_info ()
 
void setup_boundary_element_info (std::ostream &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)
 
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...
 
template<class BULK_ELEMENT >
void doc_boundary_coordinates (const unsigned &b, std::ofstream &the_file)
 
virtual void scale_mesh (const double &factor)
 
 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...
 
Nodenode_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...
 
GeneralisedElementelement_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...
 
FiniteElementfinite_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...
 
Nodeboundary_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...
 
FiniteElementboundary_element_pt (const unsigned &b, const unsigned &e) const
 Return pointer to e-th finite element on boundary b. More...
 
Nodeget_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)
 
virtual void set_mesh_level_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...
 
OomphCommunicatorcommunicator_pt () const
 
void delete_all_external_storage ()
 Wipe the storage for all externally-based elements. More...
 

Private Member Functions

void wrap_into_annular_shape (const double &a, const double &h, const double &azimuthal_fraction, const double &phi)
 Wrap mesh into annular shape. More...
 

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::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...
 
- Protected Member Functions inherited from oomph::RectangularQuadMesh< ELEMENT >
void build_mesh (TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
 Generic mesh construction function: contains all the hard work. More...
 
 RectangularQuadMesh (const unsigned &nx, const unsigned &ny, const double &xmin, const double &xmax, const double &ymin, const double &ymax, const bool &periodic_in_x, const bool &build, TimeStepper *time_stepper_pt=&Mesh::Default_TimeStepper)
 
- 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::RectangularQuadMesh< ELEMENT >
unsigned Nx
 Nx: number of elements in x-direction. More...
 
unsigned Ny
 Ny: number of elements in y-direction. More...
 
unsigned Np
 Np: number of (linear) points in the element. More...
 
double Xmin
 Minimum value of x coordinate. More...
 
double Xmax
 Maximum value of x coordinate. More...
 
double Ymin
 Minimum value of y coordinate. More...
 
double Ymax
 Maximum value of y coordinate. More...
 
bool Xperiodic
 
- 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< boolBoundary_coordinate_exists
 

Detailed Description

template<class ELEMENT>
class oomph::TwoDAnnularMesh< ELEMENT >

2D annular mesh with a unit circle in the middle and a layer of thickness h surrounding it.

Constructor & Destructor Documentation

◆ TwoDAnnularMesh() [1/2]

template<class ELEMENT >
oomph::TwoDAnnularMesh< ELEMENT >::TwoDAnnularMesh ( const bool periodic,
const double azimuthal_fraction,
const unsigned ntheta,
const unsigned nr,
const double a,
const double h,
TimeStepper time_stepper_pt = &Mesh::Default_TimeStepper 
)
inline

Constructor.

56  : RectangularQuadMesh<ELEMENT>(
57  ntheta, nr, 1.0, 1.0, periodic, time_stepper_pt)
58  {
59  // Mesh can only be built with 2D Qelements.
60  MeshChecker::assert_geometric_element<QElementGeometricBase, ELEMENT>(2);
61 
62  // Wrap mesh into annular shape
63  double phi = 0.0;
64  wrap_into_annular_shape(a, h, azimuthal_fraction, phi);
65  }
void wrap_into_annular_shape(const double &a, const double &h, const double &azimuthal_fraction, const double &phi)
Wrap mesh into annular shape.
Definition: annular_mesh.template.cc:37
const Scalar * a
Definition: level2_cplx_impl.h:32

References a, and oomph::TwoDAnnularMesh< ELEMENT >::wrap_into_annular_shape().

◆ TwoDAnnularMesh() [2/2]

template<class ELEMENT >
oomph::TwoDAnnularMesh< ELEMENT >::TwoDAnnularMesh ( const bool periodic,
const double azimuthal_fraction,
const unsigned ntheta,
const unsigned nr,
const double a,
const double h,
const double phi,
TimeStepper time_stepper_pt = &Mesh::Default_TimeStepper 
)
inline

Constructor; rotate mesh by angle phi.

76  : RectangularQuadMesh<ELEMENT>(
77  ntheta, nr, 1.0, 1.0, periodic, time_stepper_pt)
78  {
79  // Mesh can only be built with 2D Qelements.
80  MeshChecker::assert_geometric_element<QElementGeometricBase, ELEMENT>(2);
81 
82  // Wrap mesh into annular shape
83  wrap_into_annular_shape(a, h, azimuthal_fraction, phi);
84  }

References a, and oomph::TwoDAnnularMesh< ELEMENT >::wrap_into_annular_shape().

Member Function Documentation

◆ wrap_into_annular_shape()

template<class ELEMENT >
void oomph::TwoDAnnularMesh< ELEMENT >::wrap_into_annular_shape ( const double a,
const double h,
const double azimuthal_fraction,
const double phi 
)
private

Wrap mesh into annular shape.

Helper function to Wrap mesh into annular shape.

42  {
43  // Create the hole
44  Ellipse ellipse(a, a);
45 
46  // Set all the initial positions of the nodes
47  Vector<double> xi(1);
48  Vector<double> base(2);
49  Vector<double> N(2);
50  const unsigned n_node = this->nnode();
51  for (unsigned n = 0; n < n_node; n++)
52  {
53  // Pointer to node
54  Node* nod_pt = this->node_pt(n);
55 
56  // Get the angle of the node -- rotate such that jump in angle
57  // appears at periodic boundary. Shrink domain slightly
58  // to keep angle unique
59  xi[0] = (1.0 - 1.0e-10) * (-azimuthal_fraction * nod_pt->x(0)) * 2.0 *
62  (1.0 - azimuthal_fraction) * 2.0 * MathematicalConstants::Pi;
63 
64  // Rotate
65  xi[0] += phi;
66 
67  // Get the node's fraction in the radial direction
68  double w = nod_pt->x(1);
69 
70  // Get the position on the ellipse base
71  ellipse.position(xi, base);
72 
73  // Get the unit normal, if it were a circle , by normalising the base
74  double norm = sqrt(base[0] * base[0] + base[1] * base[1]);
75  N[0] = base[0] / norm;
76  N[1] = base[1] / norm;
77 
78  // Set circular film from the ellipse
79  nod_pt->x(0) = base[0] + w * (h + a - norm) * N[0];
80  nod_pt->x(1) = base[1] + w * (h + a - norm) * N[1];
81 
82  // Set boundary coordinates
83  Vector<double> xi_bound(1);
84 
85  // Polar angle for boundary coordinate on boundary 0
86  if (nod_pt->is_on_boundary(0))
87  {
88  xi_bound[0] = atan2(nod_pt->x(1), nod_pt->x(0));
89  nod_pt->set_coordinates_on_boundary(0, xi_bound);
90  }
91 
92  // Radius for boundary coordinate on boundary 1
93  if (nod_pt->is_on_boundary(1))
94  {
95  xi_bound[0] = sqrt(pow(nod_pt->x(0), 2) + pow(nod_pt->x(1), 2));
96  nod_pt->set_coordinates_on_boundary(1, xi_bound);
97  }
98 
99  // Polar angle for boundary coordinate on boundary 2
100  if (nod_pt->is_on_boundary(2))
101  {
102  xi_bound[0] = atan2(nod_pt->x(1), nod_pt->x(0));
103  nod_pt->set_coordinates_on_boundary(2, xi_bound);
104  }
105 
106  // Radius for boundary coordinate on boundary 3
107  if (nod_pt->is_on_boundary(3))
108  {
109  xi_bound[0] = sqrt(pow(nod_pt->x(0), 2) + pow(nod_pt->x(1), 2));
110  nod_pt->set_coordinates_on_boundary(3, xi_bound);
111  }
112  }
113 
114  this->Boundary_coordinate_exists[0] = true;
115  this->Boundary_coordinate_exists[1] = true;
116  this->Boundary_coordinate_exists[2] = true;
117  this->Boundary_coordinate_exists[3] = true;
118  }
AnnoyingScalar atan2(const AnnoyingScalar &y, const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:139
AnnoyingScalar sqrt(const AnnoyingScalar &x)
Definition: AnnoyingScalar.h:134
const unsigned n
Definition: CG3DPackingUnitTest.cpp:11
RowVector3d w
Definition: Matrix_resize_int.cpp:3
std::vector< bool > Boundary_coordinate_exists
Definition: mesh.h:190
unsigned long nnode() const
Return number of nodes in the mesh.
Definition: mesh.h:596
Node *& node_pt(const unsigned long &n)
Return pointer to global node n.
Definition: mesh.h:436
@ N
Definition: constructor.cpp:22
EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC bfloat16 pow(const bfloat16 &a, const bfloat16 &b)
Definition: BFloat16.h:625
const double Pi
50 digits from maple
Definition: oomph_utilities.h:157

References a, atan2(), oomph::Node::is_on_boundary(), n, N, oomph::MathematicalConstants::Pi, oomph::Ellipse::position(), sqrt(), w, and oomph::Node::x().

Referenced by oomph::TwoDAnnularMesh< ELEMENT >::TwoDAnnularMesh().


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