Now you have opportunity to test open beta of UniFlex 4 plugins with [Nvidia Flex](https://developer.nvidia.com/flex).
To use this you will need C4D R18.041 Demo and modern GPU with DirectX 12 support.
AMG GPU should work but I have not tested this for now, please let me know how well it really work for you.
Select this one if you have AMD GPU.
Select this one if you have Nvidia GPU.
Some test simulations on Vimeo
This is physic simulation plugin for C4D R18 but R17 should be possible as well.
It has legacy CPU based cloth, soft body and ropes engine.
And now it has also new Nvidia Flex 1.1 based simulation engine as well that can run on any GPU with DirectX 12 support.
This new engine currently support thinking particles based fluid simulation as well as soft body and ropes simulation.