SHD Sim Multiphysics
Fluid + rigid body
No coupling library needed — available today
OpenFOAM sixDoFRigidBodyMotion
In development.
This module is phase 4 — one-way mapping comes well before two-way. The solver behind it is chosen and its capability is known. SHD Sim is available today.
What it is
A body free to move under the flow acting on it, with the motion solved inside OpenFOAM by sixDoFRigidBodyMotion. No coupling library is involved because the body has no internal deformation to solve: it has six degrees of freedom and a mass matrix, and that is all. It runs today.
What this analysis needs from you
- Mass, centre of gravity and inertia tensor
- A mesh motion or overset strategy for the moving region
- Restraints for any degree of freedom that is not free
Typical uses
- Floating body motion in waves
- Free-falling and released objects
- Valve and check-valve dynamics
- Towed and moored body behaviour with restraints
Industries
Sectors where this analysis is routinely asked for.
- Marine & offshore
- Valves & actuators
- Subsea equipment
- Energy devices
What comes out
- Body motion in six degrees
- Fluid loads on the moving body
- Opening and closing dynamics
- Mooring and restraint forces
Backend
OpenFOAM sixDoFRigidBodyMotion
Chosen for this analysis type, with its capability verified against the module plan — not decided later.
Status
Phase 4 — one-way mapping comes well before two-way. Telling us you need this analysis moves it up the order — modules are sequenced by who is waiting for them.