NDLI: A unified Lagrangian approach to solid-fluid animation

Content Provider	IEEE Xplore Digital Library
Author	Keiser, R. Adams, B. Gasser, D. Bazzi, P. Dutre, P. Gross, M.
Copyright Year	2005
Description	Author affiliation: Eidgenossische Tech. Hochschule, Zurich, Switzerland (Keiser, R.)
Abstract	We present a framework for physics-based animation of deforming solids and fluids. By merging the equations of solid mechanics with the Navier-Stokes equations using a particle-based Lagrangian approach, we are able to employ a unified method to animate both solids and fluids as well as phase transitions. Central to our framework is a hybrid implicit-explicit surface generation approach, which is capable of representing fine surface detail as well as handling topological changes in interactive time for moderately complex objects. The generated surface is represented by oriented point samples, which adapt to the new position of the particles by minimizing the potential energy of the surface subject to geometric constraints. We illustrate our algorithm on a variety of examples ranging from stiff elastic and plasto-elastic materials to fluids with variable viscosity.
Sponsorship	IEEE Visualization and Graphics Tech. Comm. Eurographics Assoc. in cooperation with ACM SIGGRAPH
Starting Page	125
Ending Page	148
File Size	1655267
Page Count	24
File Format	PDF
ISBN	3905673207
ISSN	15117813
DOI	10.1109/PBG.2005.194073
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Eurographics Assoc.
Subject Keyword	Potential energy Viscosity Merging Computer graphics Animation Solids Computer industry Hybrid power systems Lagrangian functions Navier-Stokes equations
Content Type	Text
Resource Type	Article

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