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Simulation of fluid mixing with interface control
Xiaowei He1,5; Huamin Wang2; Fengjun Zhang1; Hongan Wang1; Guoping Wang3; Kun Zhou4; Enhua Wu1,6
2015-08-07
Conference Name14th ACM SIGGRAPH / Eurographics Symposium on Computer Animation, SCA 2015
Source PublicationProceedings - SCA 2015: 14th ACM SIGGRAPH / Eurographics Symposium on Computer Animation
Pages129-135
Conference DateAugust 07 - 09, 2015
Conference PlaceLos Angeles, CA, United states
Author of SourceAssociation for Computing Machinery, Inc
Abstract

The simulation of fluid mixing under the Eulerian framework often suffers from numerical dissipation issues. In this paper, we present a mass-preserving convection scheme that offers direct control on the shape of the interface. The key component of this scheme is a sharpening term built upon the diffusive flux of a userspecified kernel function. To determine the thickness of the ideal interface during fluid mixing, we perform theoretical analysis on a one-dimensional diffusive model using the Fick's law of diffusion. By explicitly controlling the interface thickness using a spatio-temporally varying kernel variable, we can use our scheme to produce realistic fluid mixing effects without numerical dissipation artifacts. We can also use the scheme to control interface changes between two fluids, due to temperature, pressure, or external energy input. This convection scheme is compatible with many advection methods and it has a small computational overhead. © 2015 ACM.

KeywordFluid Mixing Miscible/immiscible Fluids Diffuse Interface Phase Field Fluid Control
DOI10.1145/2786784.2786791
Language英语
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Document TypeConference paper
CollectionFaculty of Science and Technology
Affiliation1.State Key Lab. of CS, ISCAS
2.The Ohio State University
3.Peking University
4.Zhejiang University
5.University of Chinese Academy of Sciences
6.University of Macau
Recommended Citation
GB/T 7714
Xiaowei He,Huamin Wang,Fengjun Zhang,et al. Simulation of fluid mixing with interface control[C]//Association for Computing Machinery, Inc,2015:129-135.
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