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CrackMeshCut3DUserObject.h
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7 //* Licensed under LGPL 2.1, please see LICENSE for details
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9 
10 #pragma once
11 
12 #include "MeshCutUserObjectBase.h"
13 #include "CrackFrontDefinition.h"
14 
15 #include <array>
16 
17 class Function;
18 
26 {
27 public:
29 
31 
32  virtual void initialSetup() override;
33  virtual void initialize() override;
34 
35  virtual const std::vector<Point>
36  getCrackFrontPoints(unsigned int num_crack_front_points) const override;
37  virtual const std::vector<RealVectorValue>
38  getCrackPlaneNormals(unsigned int num_crack_front_points) const override;
39 
40  virtual bool cutElementByGeometry(const Elem * elem,
41  std::vector<Xfem::CutEdge> & cut_edges,
42  std::vector<Xfem::CutNode> & cut_nodes) const override;
43  virtual bool cutElementByGeometry(const Elem * elem,
44  std::vector<Xfem::CutFace> & cut_faces) const override;
45  virtual bool cutFragmentByGeometry(std::vector<std::vector<Point>> & frag_edges,
46  std::vector<Xfem::CutEdge> & cut_edges) const override;
47  virtual bool cutFragmentByGeometry(std::vector<std::vector<Point>> & frag_faces,
48  std::vector<Xfem::CutFace> & cut_faces) const override;
49 
55 
60  std::vector<int> getFrontPointsIndex() const;
61 
67  virtual unsigned int getNumberOfCrackFrontPoints() const override;
68 
69 protected:
71  const unsigned int _cut_elem_nnode = 3;
72  const unsigned int _cut_elem_dim = 2;
73 
76 
79 
85  std::vector<dof_id_type> _crack_front_points;
86 
89  {
91  FUNCTION
92  };
95 
97  enum class GrowthRateEnum
98  {
99  REPORTER,
100  FUNCTION
101  };
104 
106  const unsigned int _elem_dim = 3;
107 
109  const Real _const_intersection = 0.01;
110 
113 
115  unsigned int _n_step_growth;
116 
118  bool _stop;
119  bool _grow;
120 
122  std::vector<dof_id_type> _boundary;
123 
125  std::vector<std::vector<dof_id_type>> _active_boundary;
126 
128  std::vector<unsigned int> _inactive_boundary_pos;
129 
132  std::vector<dof_id_type> _tracked_crack_front_points;
133 
135  bool _cfd;
136 
138  std::set<Xfem::CutEdge> _boundary_edges;
139 
141  std::map<dof_id_type, std::vector<dof_id_type>> _boundary_map;
142 
144  std::vector<std::vector<Point>> _active_direction;
145 
147  std::vector<std::vector<dof_id_type>> _front;
148 
151 
154 
158  virtual bool intersectWithEdge(const Point & p1,
159  const Point & p2,
160  const std::vector<Point> & _vertices,
161  Point & point) const;
162 
166  bool findIntersection(const Point & p1,
167  const Point & p2,
168  const std::vector<Point> & vertices,
169  Point & point) const;
170 
174  bool isInsideEdge(const Point & p1, const Point & p2, const Point & p) const;
175 
179  Real getRelativePosition(const Point & p1, const Point & p2, const Point & p) const;
180 
184  bool isInsideCutPlane(const std::vector<Point> & _vertices, const Point & p) const;
185 
192  void findBoundaryNodes();
193 
197  void findBoundaryEdges();
198 
202  void sortBoundaryNodes();
203 
208 
212  void refineBoundary();
213 
218 
222  void growFront();
223 
227  void sortFrontNodes();
228 
232  void findFrontIntersection();
233 
237  void refineFront();
238 
242  void triangulation();
243 
247  void joinBoundary();
248 
253 
257  const Function * _func_x;
258  const Function * _func_y;
259  const Function * _func_z;
260  const Function * _func_v;
261 
263  const std::vector<Real> * const _ki_vpp;
265  const std::vector<Real> * const _kii_vpp;
267  const std::vector<Real> * const _growth_inc_reporter;
268 };
GrowthDirectionEnum
Enum to for crack growth direction.
CrackMeshCut3DUserObject: (1) reads in a mesh describing the crack surface, (2) uses the mesh to do i...
Real _size_control
Used for cutter mesh refinement and front advancement.
void findBoundaryNodes()
Find boundary nodes of the cutter mesh This is a simple algorithm simply based on the added angle = 3...
const unsigned int _cut_elem_nnode
The cutter mesh has triangluar elements only.
void findActiveBoundaryNodes()
Find all active boundary nodes in the cutter mesh Find boundary nodes that will grow; nodes outside o...
std::vector< int > getFrontPointsIndex() const
Get crack front points in the active segment -1 means inactive; positive is the point&#39;s index in the ...
unsigned int _n_step_growth
Number of steps to grow the mesh.
const InputParameters & parameters() const
bool findIntersection(const Point &p1, const Point &p2, const std::vector< Point > &vertices, Point &point) const
Find directional intersection along the positive extension of the vector from p1 to p2...
const GrowthDirectionEnum _growth_dir_method
The direction method for growing mesh at the front.
bool _cfd
is it using the crack_front_definition
const GrowthRateEnum _growth_increment_method
The growth increment method for growing mesh at the front.
virtual bool cutFragmentByGeometry(std::vector< std::vector< Point >> &frag_edges, std::vector< Xfem::CutEdge > &cut_edges) const override
virtual unsigned int getNumberOfCrackFrontPoints() const override
Return the total number of crack front points.
Real getRelativePosition(const Point &p1, const Point &p2, const Point &p) const
Get the relative position of p from p1.
Real findDistance(dof_id_type node1, dof_id_type node2)
Find distance between two nodes.
std::map< dof_id_type, std::vector< dof_id_type > > _boundary_map
A map of boundary nodes and their neighbors.
const std::vector< Real > *const _ki_vpp
Pointer to fracture integral ki if available.
void growFront()
Grow the cutter mesh.
const Real _const_intersection
Used to define intersection points.
void findBoundaryEdges()
Find boundary edges of the cutter mesh.
const unsigned int _elem_dim
The structural mesh must be 3D only.
void triangulation()
Create tri3 elements between the new front and the old front.
void refineFront()
Refine the mesh at the front.
std::vector< dof_id_type > _tracked_crack_front_points
Front nodes that are grown from the crack front definition defined in the input therefore, they are (1) in the same order as defined in the input and (2) the number of nodes does not change.
void sortFrontNodes()
Sort the front nodes.
Class used in fracture integrals to define geometric characteristics of the crack front...
std::vector< dof_id_type > _crack_front_points
updated crack front definition they are in the same order as defined in the input but the number of n...
void findFrontIntersection()
Find front-structure intersections.
const Function * _func_x
Parsed functions of front growth.
std::vector< std::vector< dof_id_type > > _front
New boundary after growth.
virtual void initialSetup() override
virtual const std::vector< Point > getCrackFrontPoints(unsigned int num_crack_front_points) const override
get a set of points along a crack front from a XFEM GeometricCutUserObject
unsigned int _num_crack_front_points
Total number of crack front points in the mesh cutter.
virtual bool cutElementByGeometry(const Elem *elem, std::vector< Xfem::CutEdge > &cut_edges, std::vector< Xfem::CutNode > &cut_nodes) const override
bool _is_mesh_modified
Indicator that shows if the cutting mesh is modified or not in this calculation step.
CrackMeshCut3DUserObject(const InputParameters &parameters)
bool _stop
Variables to help control the work flow.
const std::vector< Real > *const _kii_vpp
Pointer to fracture integral kii if available.
void initializeCrackFrontNodes()
Determine initial crack front nodes from cutter mesh.
std::vector< unsigned int > _inactive_boundary_pos
Inactive boundary.
void joinBoundary()
Join active boundaries and inactive boundaries to be the new boundary.
virtual const std::vector< RealVectorValue > getCrackPlaneNormals(unsigned int num_crack_front_points) const override
get a set of normal vectors along a crack front from a XFEM GeometricCutUserObject ...
virtual bool intersectWithEdge(const Point &p1, const Point &p2, const std::vector< Point > &_vertices, Point &point) const
Check if a line intersects with an element.
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
void sortBoundaryNodes()
Sort boundary nodes to be in the right order along the boundary.
Simple base class for XFEM cutting objects that use a mesh to cut.
const Real p
std::vector< std::vector< dof_id_type > > _active_boundary
Active boundary nodes where growth is allowed.
MooseMesh & _mesh
The structural mesh.
CrackFrontDefinition * _crack_front_definition
The crack front definition.
static InputParameters validParams()
virtual void initialize() override
GrowthRateEnum
Enum to for crack growth rate.
bool isInsideEdge(const Point &p1, const Point &p2, const Point &p) const
Check if point p is inside the edge p1-p2.
std::set< Xfem::CutEdge > _boundary_edges
Edges at the boundary.
void refineBoundary()
If boundary nodes are too sparse, add nodes in between.
std::vector< std::vector< Point > > _active_direction
Growth direction for active boundaries.
const std::vector< Real > *const _growth_inc_reporter
Pointer to reporter with growth increment if available.
void findActiveBoundaryDirection()
Find growth direction at each active node.
bool isInsideCutPlane(const std::vector< Point > &_vertices, const Point &p) const
Check if point p is inside a plane.
std::vector< dof_id_type > _boundary
Boundary nodes of the cutter mesh.
uint8_t dof_id_type