Disney makes simulating clothing in faster and more realistic animations




Researchers at Disney Research and the University of Colorado have an existing method to simulate motions of matter adapted and improved. Through the application of smoothed motion aggregation can clothing six to eight times as fast be simulated.

The latter can make a big difference in how realistic clothing looks in animated images. To simulate the clothes on an animated figure, the researchers used a new multi-grid approach. In the ‘traditional’ multi-grid approach to complex problems solved by first a coarser, less detailed version of the problem to solve. The new approach goes recursively or vice versa, and the problem is just getting rougher made it easy to solve. From there to be again working the other way to a more complex version of the problem, explains one of the researchers Rasmus Tamstorf in a message on Eurekalert.

The smoothed aggregation technique is an algebraic multigrid method, which is designed to overcome the coupling between different directions, so that it works on any kind of pattern or mesh. As a result, the method is not dependent upon the underlying glass pane or mosaic pattern that can change over time. It only needs to use a fine-meshed mesh. As an example, the researchers use a fully dressed figure in which 68 gears can be observed at 371.000 points.


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