6. Professional
The Professional tab contains major entities to do modeling in RecurDyn.
![../_images/image00126.png](../_images/image00126.png)
Figure 6.1 Professional tab
The following sections explain the purpose of each function as well as how to use it.
- 6.1. Body
- 6.1.1. Coordinate System
- 6.1.2. Common UI
- 6.1.3. Bodies in Assembly Mode
- 6.1.4. Geometries in Body Edit Mode
- 6.1.4.1. Marker and Geometry
- 6.1.4.2. Curve
- 6.1.4.3. Surface
- 6.1.4.3.1. Arc Revolution Surface
- 6.1.4.3.2. Arc Extrusion Surface
- 6.1.4.3.3. Outline Surface
- 6.1.4.3.4. Spline Surface
- 6.1.4.3.5. Extrude Surface
- 6.1.4.3.6. Spin Surface
- 6.1.4.3.7. Sweep Surface
- 6.1.4.3.8. Face Surface
- 6.1.4.3.9. Fill Curve
- 6.1.4.3.10. Offset Surface
- 6.1.4.3.11. Sew Surface
- 6.1.4.3.12. UV Surface
- 6.1.4.4. Solid
- 6.1.4.5. Road Data
- 6.1.4.6. Boolean
- 6.1.4.7. Local
- 6.1.4.8. Imprint
- 6.1.4.9. Simplify
- 6.1.4.10. Split
- 6.1.4.11. Hierarchy
- 6.1.1. Coordinate System
- 6.2. Joint
- 6.2.1. Common UI
- 6.2.2. General Joints
- 6.2.3. Primitive Joints
- 6.2.4. Special Joints
- 6.3. Force
- 6.3.1. Common UI
- 6.3.2. General Forces
- 6.3.3. Special Forces
- 6.4. Contact
- 6.4.1. Common UI
- 6.4.2. General Contact
- 6.4.3. Primitive 3D Contact
- 6.4.3.1. Sphere To Sphere
- 6.4.3.2. Sphere In Sphere
- 6.4.3.3. Sphere To Cylinder
- 6.4.3.4. Sphere In Cylinder
- 6.4.3.5. Sphere To Cone
- 6.4.3.6. Sphere In Cone
- 6.4.3.7. Sphere To Box
- 6.4.3.8. Sphere In Box
- 6.4.3.9. Sphere To Torus
- 6.4.3.10. Sphere In Torus
- 6.4.3.11. Sphere To Arc Revolution
- 6.4.3.12. Sphere To Arc Extrusion
- 6.4.3.13. Cylinder To Cylinder
- 6.4.3.14. Cylinder In Cylinder
- 6.4.3.15. Cylinder To Box
- 6.4.3.16. Cone To Cylinder
- 6.4.3.17. Cone To Cone
- 6.4.3.18. Cone In Cone
- 6.4.4. 2D Contact
- 6.5. General Group
- 6.6. Sensor
- 6.7. Subsystem