This tests destruction of an object with a smoke flow force field. This could be used for a realistic explosion of a building perhaps. Steps would be to simulate the explosion(smoke sim) then simulate the rigid body physics. Constraints are a necessity, as you can see the cube breaks up due to the sim, then also breaks up on impact with the floor, adding a ton of realism to the motion. Rayfire here we come!
![](https://s2.save4k.ru/pic/e-KC4KJnA3Y/maxresdefault.jpg)