HySPH - Bubbles

Bubbles occur when air mixes with a fluid. The bubbles are created and then rise due to buoyancy forces. Typical situations where bubbles are created are turbulent effects, for example when an object is thrown into water, or when a propellor disturbs a fluid and so on. But, not only fluid-object interaction is responsible for bubbles: breaking waves or highly disturbed ocean surfaces are also factors for the appearance of bubbles. This behaviour can be simulated with this HySPH emitter. The emitter will create bubbles automatically when certain conditions are fulfilled – these conditions are controlled and defined in the emitter's “Node Params” panels.

When the bubble particles reach the fluid's surface they will either act like foam particles or be deleted.

The "Bubbles" emitter in action.