Extended narrow band FLIP for liquid simulations

T. Sato, C.J. Wojtan, N. Thuerey, T. Igarashi, R. Ando, Computer Graphics Forum 37 (2018) 169–177.

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Journal Article | Published | English
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Department
Series Title
Eurographics
Abstract
The Fluid Implicit Particle method (FLIP) reduces numerical dissipation by combining particles with grids. To improve performance, the subsequent narrow band FLIP method (NB‐FLIP) uses a FLIP‐based fluid simulation only near the liquid surface and a traditional grid‐based fluid simulation away from the surface. This spatially‐limited FLIP simulation significantly reduces the number of particles and alleviates a computational bottleneck. In this paper, we extend the NB‐FLIP idea even further, by allowing a simulation to transition between a FLIP‐like fluid simulation and a grid‐based simulation in arbitrary locations, not just near the surface. This approach leads to even more savings in memory and computation, because we can concentrate the particles only in areas where they are needed. More importantly, this new method allows us to seamlessly transition to smooth implicit surface geometry wherever the particle‐based simulation is unnecessary. Consequently, our method leads to a practical algorithm for avoiding the noisy surface artifacts associated with particle‐based liquid simulations, while simultaneously maintaining the benefits of a FLIP simulation in regions of dynamic motion.
Publishing Year
Date Published
2018-05-22
Journal Title
Computer Graphics Forum
Volume
37
Issue
2
Page
169 - 177
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Sato T, Wojtan CJ, Thuerey N, Igarashi T, Ando R. Extended narrow band FLIP for liquid simulations. Computer Graphics Forum. 2018;37(2):169-177. doi:10.1111/cgf.13351
Sato, T., Wojtan, C. J., Thuerey, N., Igarashi, T., & Ando, R. (2018). Extended narrow band FLIP for liquid simulations. Computer Graphics Forum, 37(2), 169–177. https://doi.org/10.1111/cgf.13351
Sato, Takahiro, Christopher J Wojtan, Nils Thuerey, Takeo Igarashi, and Ryoichi Ando. “Extended Narrow Band FLIP for Liquid Simulations.” Computer Graphics Forum 37, no. 2 (2018): 169–77. https://doi.org/10.1111/cgf.13351.
T. Sato, C. J. Wojtan, N. Thuerey, T. Igarashi, and R. Ando, “Extended narrow band FLIP for liquid simulations,” Computer Graphics Forum, vol. 37, no. 2, pp. 169–177, 2018.
Sato T, Wojtan CJ, Thuerey N, Igarashi T, Ando R. 2018. Extended narrow band FLIP for liquid simulations. Computer Graphics Forum. 37(2), 169–177.
Sato, Takahiro, et al. “Extended Narrow Band FLIP for Liquid Simulations.” Computer Graphics Forum, vol. 37, no. 2, Wiley, 2018, pp. 169–77, doi:10.1111/cgf.13351.

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