1. What is a Buoy Object? Rigid Body: Transfers loads Dynamic:
3 or 6 Degrees of Freedom
Physical and Hydrodynamic Properties
Responds to External Loads
Connections:
Objects can be attached to it
It can be attached to other objects
Forces and Moments can be applied

2. Buoy Types 3 Degrees of Freedom: 6 Degrees of Freedom:
Lumped Buoy
Clump (Special Case)
6 Degrees of Freedom:
Lumped Buoy
Spar Buoy
Towed Fish
Remember:These are convenient names but the buoys can be used for much more.

3. Other Uses Connectors: Dummies: Allow lines to attach to each other
3 DoF for pinned connections, e.g. chains
6 DoF to transfer moments, e.g. clamps
Dummies:
Moving Objects, e.g. Projectiles and Boy Scouts
Sea anchors, e.g. diverters using wings
Application of Loads, e.g. back tension during tow
Offloading and installation of large structure, e.g. UTAs
Building Complex Structures using lines, e.g. ROVs, Spools