“How to Train Your Dragon 2” introduces new creatures of truly massive scale, e.g. the Bewilderbeest shown above which measures approximately 600 ft from head to tail. This imposed unique challenges
for the FX department when these creatures interacts with environments like water or when they use their special ability to breath ice. While we could leverage somewhat on existing tools developed in previous productions, e.g. [Budsberg et al. 2013], it was soon clear that additional steps had to be taken to address the unprecedented scale of both the fluid simulations and the subsequent surfacing of the resulting animated particles.

Research Paper for Large Scale Simulation and Surfacing of Water and Ice Effects in “Dragons 2”