Still-Frame Simulation for Fire Effects of Images

Minjung Son
POSTECH

Byungmoon Kim
Adobe

Gregg Wilensky
Adobe

Seungyong Lee
POSTECH

Computer Graphics Forum (Special Issue on Pacific Graphics 2013), vol 32, no 7, Oct 2013

High-Resolution Fire Effect [see original size]

Abstract

We propose various simulation strategies to generate single-frame fire effects for images, as opposed to multiframe fire effects for animations. To accelerate 3D simulation and to provide a user with early hints on the final effect, we propose a 2D-guided 3D simulation approach, which runs a faster 2D simulation first, and then guides 3D simulation using the 2D simulation result. To achieve this, we explore various boundary conditions and develop a constrained projection method. Since only the final frame will be used while intermediate frames are abandoned, earlier intermediate frames can take larger time steps and have large noise applied, quickly generating turbulent flow structures. As the final frame approaches, we increase the flow quality by reducing the time step and not adding any noise. This adaptive time stepping allows us to use more computational resource near or at the final frame. We also develop divergence and buoyancy modification methods to guide flames along arbitrary, even physically implausible, directions. Our simulation methods can effectively and efficiently generate a variety of fire effects useful for image decoration.

BibTex

@article{Son-2013-still-frame-fire,
author = {Minjung Son and Byungmoon Kim and Gregg Wilensky and Seungyong Lee},
title = {Still-Frame Simulation for Fire Effects of Images},
journal = {Computer Graphics Forum},
year = {2013},
volume = {32},
number = {9},
pages = {295-304},
}