Physics-based fluid simulation often produces unpredictable behavior that is difficult for artists to control. We present a new method for art directing smoke animation using time reversed simulation. Given a final fluid configuration, our method steps backward in time generating a sequence that, when played forward, is visually similar to traditional forward simulations. This will give artists better control by allowing them to start from any timestep of the simulation. We address a number of challenges associated with time reversal including generating a believable final configuration and reversing entropy.
College and Department
Physical and Mathematical Sciences; Computer Science
BYU ScholarsArchive Citation
Oborn, Jeremy Michael, "Time Reversed Smoke Simulation" (2017). All Theses and Dissertations. 7218.
Fluid Simulation, Time Reversal, Texture Synthesis