Abstract
We present a simple extension to PIC/FLIP(Particle-in-Cell/Fluid-Implicit- Particle) for animating liquid with enhanced behaviors such as pushing or eddying (Figure 1), which we call HFA/PIC/FLIP (High-frequency aware PIC/FLIP). As a fundamental approach we use PIC/FLIP [Brackbill and Ruppel 1986] and compute approximate low-frequency part and high-frequency part of particles velocities. Low-frequency velocities are entirely projected onto divergence free and high-frequency field is partially projected onto divergence free to achieve realistic liquid animations. In contrast to the PIC/FLIP proposed by Zhu and Bridson [Zhu and Bridson 2005]; our approach facilitates "pushing" or "curly" features whereas their approach disperses the momentum towards noisy directions, resulting in dispersion. Recently similar approach has been done with coarse to fine mesh grid [Lentine et al. 2010], we refined directly with particles. We produced several footage of liquid animation and compared with competitive alternatives to show the benefits of the proposed algorithm.
| Original language | English |
|---|---|
| Title of host publication | ACM SIGGRAPH ASIA 2010 Sketches, SA'10 |
| DOIs | |
| Publication status | Published - Dec 1 2010 |
| Event | ACM SIGGRAPH ASIA 2010 Sketches, SA'10 - Seoul, Korea, Republic of Duration: Dec 15 2010 → Dec 18 2010 |
Publication series
| Name | ACM SIGGRAPH ASIA 2010 Sketches, SA'10 |
|---|
Other
| Other | ACM SIGGRAPH ASIA 2010 Sketches, SA'10 |
|---|---|
| Country | Korea, Republic of |
| City | Seoul |
| Period | 12/15/10 → 12/18/10 |
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All Science Journal Classification (ASJC) codes
- Computer Graphics and Computer-Aided Design
- Computer Vision and Pattern Recognition
Cite this
High-frequency aware PIC/FLIP in liquid animation. / Ando, Ryoichi; Tsuruno, Reiji.
ACM SIGGRAPH ASIA 2010 Sketches, SA'10. 2010. 25 (ACM SIGGRAPH ASIA 2010 Sketches, SA'10).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - High-frequency aware PIC/FLIP in liquid animation
AU - Ando, Ryoichi
AU - Tsuruno, Reiji
PY - 2010/12/1
Y1 - 2010/12/1
N2 - We present a simple extension to PIC/FLIP(Particle-in-Cell/Fluid-Implicit- Particle) for animating liquid with enhanced behaviors such as pushing or eddying (Figure 1), which we call HFA/PIC/FLIP (High-frequency aware PIC/FLIP). As a fundamental approach we use PIC/FLIP [Brackbill and Ruppel 1986] and compute approximate low-frequency part and high-frequency part of particles velocities. Low-frequency velocities are entirely projected onto divergence free and high-frequency field is partially projected onto divergence free to achieve realistic liquid animations. In contrast to the PIC/FLIP proposed by Zhu and Bridson [Zhu and Bridson 2005]; our approach facilitates "pushing" or "curly" features whereas their approach disperses the momentum towards noisy directions, resulting in dispersion. Recently similar approach has been done with coarse to fine mesh grid [Lentine et al. 2010], we refined directly with particles. We produced several footage of liquid animation and compared with competitive alternatives to show the benefits of the proposed algorithm.
AB - We present a simple extension to PIC/FLIP(Particle-in-Cell/Fluid-Implicit- Particle) for animating liquid with enhanced behaviors such as pushing or eddying (Figure 1), which we call HFA/PIC/FLIP (High-frequency aware PIC/FLIP). As a fundamental approach we use PIC/FLIP [Brackbill and Ruppel 1986] and compute approximate low-frequency part and high-frequency part of particles velocities. Low-frequency velocities are entirely projected onto divergence free and high-frequency field is partially projected onto divergence free to achieve realistic liquid animations. In contrast to the PIC/FLIP proposed by Zhu and Bridson [Zhu and Bridson 2005]; our approach facilitates "pushing" or "curly" features whereas their approach disperses the momentum towards noisy directions, resulting in dispersion. Recently similar approach has been done with coarse to fine mesh grid [Lentine et al. 2010], we refined directly with particles. We produced several footage of liquid animation and compared with competitive alternatives to show the benefits of the proposed algorithm.
UR - http://www.scopus.com/inward/record.url?scp=79951922577&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=79951922577&partnerID=8YFLogxK
U2 - 10.1145/1899950.1899975
DO - 10.1145/1899950.1899975
M3 - Conference contribution
AN - SCOPUS:79951922577
SN - 9781450305235
T3 - ACM SIGGRAPH ASIA 2010 Sketches, SA'10
BT - ACM SIGGRAPH ASIA 2010 Sketches, SA'10
ER -