EDF Example 1

• Modification of  preferences: (menu File/Preferences).
  Geometry: Origin and base vectors - check Auto create.  Default display mode - Wireframe

• Creation of Sketch_1 : (menu New Entity/Basic/2D Sketch). Click Apply after each consecutive line except for the last one:
  

  First Point (Absolute): (150 ; 0) 

  Arc (Direction; Perpendicular): (50 ; 115)

  Arc (Direction; Tangent): (-100 ; 15)

  Segment (Direction ; Tangent ; Length) : 150

  Segment (Direction ; VX-VY ; Y) : (0 ; -1 ;0)

  Close dialog

• Creation of Mirror_1: (menu Operations/Transformation/Mirror image)
  (2^nd Constructor)

  Objects: Sketch_1

  Axis Mirror: OX

  Leave "Create a copy" checked.

• Check the wires: (menu Measures/What is)

  => 1 Wire, 4 Edges, 5 vertices.

• Explode into basic elements: (menu New Entity/Explode)

Explode Sketch_1 into Edges.

Explode Mirror_1 into Edges.

• Creation of Wire_1: (menu New Entity/Build/Wire)

  Select the group of Edges (previously extracted).

  Multiple selection is carried out by holding ctrl in the study tree and shift in the viewer.

• Creation of Face_1 : (menu New Entity/Build/Face)
  Face with Wire_1.

• Display the result in Shading (popup menu Display Mode/Shading).

• Save the study (menu File/Save)

Explode into sub-elements: (menu New Entity/Explode)

• Explode 2 vertices from Face_1 by selection (Select Sub Shapes)

  Selection of a sub-shape is possible only in the OCC Viewer.

• Rename the 2 vertices in PB and PA.

Creation of Vertices for the curve : ( New Entity/Basic/Point )

• Vertex_1 (-150, 0, 0),     Vertex_2 (-140, 20, 0),
• Vertex_3 (-150, 30, 0),   Vertex_4 (-140, 40, 0)
• Vertex_5 (-140, -20, 0),  Vertex_6 (-150, -30, 0),
• Vertex_7 (-140, -40, 0)

Creation of Curve_1: (menu New Entity/Basic/Curve)

• Interpolation with the selection of previously created vertexes  (3^rd Constructor).
• Select just created vertexes in the next order: Vertex_4, Vertex_3, Vertex_2, Vertex_1, Vertex_5, Vertex_6, Vertex_7
  

Creation of vectors:(menu New Entity/Basic/Vector)

• Vector by 2 vertices (PA and Vertex_4) and (PB and Vertex_7).

Creation of Face_2: (menu New Entity/Build/Face)

• from Curve_1, Vector_1, Vector_2, Edge_1 and Edge_5.

Extrusion: (menu New Entity/Generation/Extrusion)

• Extrusion_1 with Face_1 along OZ (Height: 10).

• Extrusion _2 with Face_2 along OZ (Height: 10).

Boolean Operation: (menu Operations/Boolean/Fuse)

• Fuse_1 with Extrusion_1 and Extrusion_2.

Creation of 3D Fillet on Fuse_1 : (menu Operations/ Fillet 3D)

• (2nd Constructor)
• Fillet by selection of edges.
• Radius = 25.

Mesh

• Launch module SMESH

Creation of a simple Tetrahedral mesh

• Creation of Mesh_Fillet_1 : (menu Mesh/Create Mesh)

Geometry: Fillet_1

Assign a set of hypotheses -> Automatic Tetrahedralization

Max. Length hypothesis opened, click "Cancel".

Click 1D Tab, Add "Automatic Length" hypothesis with

Fitness: 0.2

Click OK for validation.

• Compute (right-click on Mesh_Fillet_1)

Geometry (Partition)

Launch GEOM module

Partition

Explode Fillet_1 into reference elements: (menu New Entity/Explode)

• Explode into 5 Vertices by selection.

Create 5 Planes: (menu New Entity/Basic/Plane) (1^st constructor)

• 4 planes along vector OX passing through each of 4 first left vertices.

• 1 plane along vector OY passing through the right vertex.

 
Creation of the Partition_1:(menu Operation/Partition) (1^st constructor)

Partition of Fillet_1 (Objects) with 5 Planes (Tool Object).

Visualize the result in Shading mode with 40% transparency (popup menu).

Meshing (Partition)

Launch SMESH module

Creation of a Tetrahedral mesh from a partition

• Geometry: Partition_1

• Automatic Tetrahedralization (Assign a set of hypotheses)

• "Max Length" opened, click Cancel
  

• 1D, hypothesis "Automatic Length",  Finesse: 0,2

• Compute.

Creation of Hexahedral mesh

Creation of Mesh_Partition_Hexa: (menu Mesh/Create Mesh)

• Automatic Hexadralization (Assign a set of hypotheses)
  

• Geometry: Partition_1

• Number of Segments: 10,  Type: Equidistant distribution.

• Apply & Close.
  

Exploding the Edge of Thickness

Activate Geom Module.

Explode one Edge of Thickness

New Entity -> Explode -> Main Object : Partition_1 -> Shape Type : Edge

Activate "Select Subshape" check box and select sub-shape from the viewer.

• Mesh: Mesh_Partion_Hexa

• Geometry : The edge of thickness.
  

• Algo: Wire Discretisation

• Hypothesis: Nb Segment (1, Equidistant distribution)

• Add Hyp.: Propagation of 1D Hyp. on opposite edges

• Compute.