Presentation 2006/6/29
Unified Approach to Interactive Animation of Gas, Liquid, and Solid
Makoto FUJISAWA, Kenjiro T. MIURA,
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Abstract(in English) We propose a unified method to simulate multi-phase fluids, including gases, liquids, and solids in computer graphics. Our method involves introduction of a simple step function called the density function with advection to track the free surface. Although advection of functions that vary abruptly, such as the step function, causes numerical problems, we solve them by the CIP (constrained interpolation profile) method and can track the free surface with sub-cell resolution without the time consuming reinitialization process required for the level set method. Furthermore, by applying the CIP-CUP (combined and unified procedure) method, we can treat both of incompressible and compressible fluids in a unified manner. Our method can simulate the behaviors of gases, liquids, solids, and interactions among them at the same time as well as surface tension. Its implementation is more straightforward than the level set method because it is not necessary to take account of phases differences. We report the results of several demonstrations of fluid simulation with the effects of bubbles produced by our method.
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Keyword(in English) computer graphics / animation / computational fluid dynamics
Paper # WIT2006-17
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Committee WIT
Conference Date 2006/6/29(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Unified Approach to Interactive Animation of Gas, Liquid, and Solid
Sub Title (in English)
Keyword(1) computer graphics
Keyword(2) animation
Keyword(3) computational fluid dynamics
1st Author's Name Makoto FUJISAWA
1st Author's Affiliation Graduate School of Science and Engineering, Shizuoka University()
2nd Author's Name Kenjiro T. MIURA
2nd Author's Affiliation Graduate School of Science and Technology, Shizuoka University
Date 2006/6/29
Paper # WIT2006-17
Volume (vol) vol.106
Number (no) 144
Page pp.pp.-
#Pages 6
Date of Issue