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Affine particle-in-cell method for two-phase liquid simulation
Lyu, Luan1,2; Cao, Wei1; Wu, Enhua1,3,4; Yang, Zhixin1,2
2021-04-01
Source PublicationVirtual Reality and Intelligent Hardware
ISSN2096-5796
Volume3Issue:2Pages:105-117
Abstract

Background: The interaction of gas and liquid can produce many interesting phenomena, such as bubbles rising from the bottom of the liquid. The simulation of two-phase fluids is a challenging topic in computer graphics. To animate the interaction of a gas and liquid, MultiFLIP samples the two types of particles, and a Euler grid is used to track the interface of the liquid and gas. However, MultiFLIP uses the fluid implicit particle (FLIP) method to interpolate the velocities of particles into the Euler grid, which suffer from additional noise and instability. Methods: To solve the problem caused by fluid implicit particles (FLIP), we present a novel velocity transport technique for two individual particles based on the affine particle-in-cell (APIC) method. First, we design a weighed coupling method for interpolating the velocities of liquid and gas particles to the Euler grid such that we can apply the APIC method to the simulation of a two-phase fluid. Second, we introduce a narrowband method to our system because MultiFLIP is a time-consuming approach owing to the large number of particles. Results: Experiments show that our method is well integrated with the APIC method and provides a visually credible two-phase fluid animation. Conclusions: The proposed method can successfully handle the simulation of a twophase fluid.

KeywordAffine Particle-in-cell Method Fluid Simulation Two-phase Flow
DOI10.1016/j.vrih.2020.12.003
URLView the original
Language英語English
Scopus ID2-s2.0-85115839712
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Document TypeJournal article
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Faculty of Science and Technology
Corresponding AuthorYang, Zhixin
Affiliation1.Faculty of Science and Technology, University of Macau, Macao, 999078, China
2.State Key Laboratory of Internet of Things for Smart City, University of Macau, Macao, 999078, China
3.State Key Laboratory of Computer Science, Institute of Software, Chinese Academy of Sciences (CAS) & University of CAS, Beijing, 100190, China
4.Guangzhou Greater Bay Area Virtual Reality Research Institute, Guangzhou, 510700, China
First Author AffilicationFaculty of Science and Technology;  University of Macau
Corresponding Author AffilicationFaculty of Science and Technology;  University of Macau
Recommended Citation
GB/T 7714
Lyu, Luan,Cao, Wei,Wu, Enhua,et al. Affine particle-in-cell method for two-phase liquid simulation[J]. Virtual Reality and Intelligent Hardware,2021,3(2):105-117.
APA Lyu, Luan,Cao, Wei,Wu, Enhua,&Yang, Zhixin.(2021).Affine particle-in-cell method for two-phase liquid simulation.Virtual Reality and Intelligent Hardware,3(2),105-117.
MLA Lyu, Luan,et al."Affine particle-in-cell method for two-phase liquid simulation".Virtual Reality and Intelligent Hardware 3.2(2021):105-117.
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