Liquid surface tracking with error compensation

Bojsen-Hansen, Morten and Wojtan, Chris (2013) Liquid surface tracking with error compensation. ACM Transactions on Graphics, 32 (4). Article number: 68 . ISSN 1557-7368

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Our work concerns the combination of an Eulerian liquid simulation with a high-resolution surface tracker (e.g. the level set method or a Lagrangian triangle mesh). The naive application of a high-resolution surface tracker to a low-resolution velocity field can produce many visually disturbing physical and topological artifacts that limit their use in practice. We address these problems by defining an error function which compares the current state of the surface tracker to the set of physically valid surface states. By reducing this error with a gradient descent technique, we introduce a novel physics-based surface fairing method. Similarly, by treating this error function as a potential energy, we derive a new surface correction force that mimics the vortex sheet equations. We demonstrate our results with both level set and mesh-based surface trackers.

Item Type: Article
DOI: 10.1145/2461912.2461991
Additional Information: © ACM, 2013. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in ACM TOG - Proceedings of ACM SIGGRAPH 2013, VOL 32, ISS 4, (July 1, 2013),
Uncontrolled Keywords: surface tracking, Triangle mesh, level set method, liquid simulation, surface fairing, vortex sheets
Subjects: 000 Computer science, knowledge & general works > 000 Computer science, knowledge & systems
Research Group: Wojtan Group
SWORD Depositor: Sword Import User
Depositing User: Christopher Wojtan
Date Deposited: 23 Jun 2016 12:27
Last Modified: 05 Sep 2017 14:13

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