The Nvidia Flex Solver is TouchDesigner’s native fluid simulator, it can be used for a variety of applications and is one of the most powerful features within TouchDesigner.
Note: You will need a PC with a nVidea GPU for this COMP to work.
To get started with the flex solver, please first head to the Interactive & Immersive HQ’s page on the topic: https://interactiveimmersive.io/blog/3d/quick-start-guide-nvidia-flex-in-touchdesigner/
Then watch the following tutorials: