Revolution

This example demonstrates creating a more complex axisymmetric geometry using a revolution operation.

Revolution geometry example

Setup

mkdir -p TRUST_TUTORIALS/salome/exo2
cd TRUST_TUTORIALS/salome/exo2
$PathToSALOME/salome &

• Create a new study: File → New
• Select the Geometry module

Creating Points

Go to: New Entity → Basic → Point

Create the following vertices:

Vertex	X	Y	Z
Vertex_1	0	0	0
Vertex_2	1	0	0
Vertex_3	1	0	0.3
Vertex_4	0.75	0	0.3
Vertex_5	0.375	0	1
Vertex_6	0.75	0	1.6
Vertex_7	1	0	1.6
Vertex_8	1	0	2
Vertex_9	0	0	2

Click "Apply and Close"

Points created

Creating Edges

• Create straight lines: New Entity → Basic → Line
  • Line_1: Vertex_1 to Vertex_2
  • Line_2: Vertex_2 to Vertex_3
  • Line_3: Vertex_3 to Vertex_4
  • Line_4: Vertex_6 to Vertex_7
  • Line_5: Vertex_7 to Vertex_8
  • Line_6: Vertex_8 to Vertex_9
  • Line_7: Vertex_9 to Vertex_1
  • Click "Apply and Close"
• Create an arc: New Entity → Basic → Arc
  • Arc_1: Vertex_4 → Vertex_5 → Vertex_6
  • Click "Apply and Close"

Creating the Revolution Solid

• Create a wire: New Entity → Build → Wire
  • Wire_1: Select all lines (Line_1 through Line_7) and Arc_1 (use "Ctrl" for multi-selection)
  • Click "Apply and Close"
• Create a face: New Entity → Build → Face
  • Face_1: Select Wire_1
  • Click "Apply and Close"
• Create the revolution: New Entity → Generation → Revolution
  • Name: Cylinder_1
  • Objects: Face_1
  • Axis: Click the arrow button and select "OZ" from the Object Browser
  • Angle: 360°
  • Click "Apply and Close"

Revolution result

Creating Boundary Groups and Mesh

• Create boundary groups: New Entity → Group → Create Group
  • Follow the same procedure as in the cylinder example
• Save your study:
  • HDF format: File → Save/Save As...
  • Python format: File → Dump Study...
• Create the mesh following the same procedure described in the cylinder section

Note: The solution file (revolution.py) is available at: $TRUST_ROOT/docs/exercices/salome