Physx 3.3.2 fluid simulation--buoyancy

I am using Physx 3.3.2 for fluid simulation. I am wondering whether physx can simulate bouyancy behavior of rigid bodies in fluid. Can rigid body behave floating or sinking in fluid? Is there built-in buoyancy in Physx 3.3.2? If do, how should we do?

You’ve posted this question about PhysX in the CUDA programming forum. PhysX is distinct from CUDA. But there is a PhysX forum here:

https://devtalk.nvidia.com/default/board/66/physx-and-physics-modeling/

you may get better responses there.

Thank you very much.