A Semi-Explicit Surface Tracking Mechanism 2 for Multi-Phase Immiscible Liquids
Meng Yang; Juntao Ye; Frank Ding; Yubo Zhang; Dong-Ming Yan
2018-08-07
发表期刊IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS
卷号xx期号:xx页码:xx
摘要We introduce a new method to efficiently track complex interfaces among multi-phase immiscible fluids. Unlike existing techniques, we use a mesh-based representation for global liquid surfaces, while selectively modeling some local surficial regions with regional level sets (RLS) to handle complex geometry that is difficult to resolve with explicit topology operations. Such a semi-explicit surface mechanism can preserve volume, fine features and foam-like thin films under a relatively low computational expenditure. Our method processes the surface evolution by sampling the fluid domain onto a spectrally refined grid (SRG) and performs efficient grid scanning, generalized interpolations and topology operations on the basis of this grid structure. For the RLS surface part, we propose an accurate advection scheme targeted at SRG. For the explicit mesh part, we develop a fast grid scanning technique to voxelize the meshes and introduce novel strategies to detect grid regions that contain inconsistent mesh components. A robust algorithm is proposed to construct consistent local meshes to resolve mesh penetrations, and handle the coupling between explicit mesh and RLS surficial regions. We also provide further improvement on handling complicated topological variations, as well as strategies for remeshing mesh/RLS interconversions.; We introduce a new method to efficiently track complex interfaces among multi-phase immiscible fluids. Unlike existing techniques, we use a mesh-based representation for global liquid surfaces, while selectively modeling some local surficial regions with regional level sets (RLS) to handle complex geometry that is difficult to resolve with explicit topology operations. Such a semi-explicit surface mechanism can preserve volume, fine features and foam-like thin films under a relatively low computational expenditure. Our method processes the surface evolution by sampling the fluid domain onto a spectrally refined grid (SRG) and performs efficient grid scanning, generalized interpolations and topology operations on the basis of this grid structure. For the RLS surface part, we propose an accurate advection scheme targeted at SRG. For the explicit mesh part, we develop a fast grid scanning technique to voxelize the meshes and introduce novel strategies to detect grid regions that contain inconsistent mesh components. A robust algorithm is proposed to construct consistent local meshes to resolve mesh penetrations, and handle the coupling between explicit mesh and RLS surficial regions. We also provide further improvement on handling complicated topological variations, as well as strategies for remeshing mesh/RLS interconversions.
关键词Surface Tracking Explicit Mesh Remeshing Regional Level Set Multi-material Spectrally Refined Grid
DOI10.1109/TVCG.2018.2864283
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/21685
专题模式识别国家重点实验室_多媒体计算与图形学
通讯作者Juntao Ye
作者单位National Laboratory of Pattern Recognition of the Institute of Automation, Chinese Academy of Sciences
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Meng Yang,Juntao Ye,Frank Ding,et al. A Semi-Explicit Surface Tracking Mechanism 2 for Multi-Phase Immiscible Liquids[J]. IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS,2018,xx(xx):xx.
APA Meng Yang,Juntao Ye,Frank Ding,Yubo Zhang,&Dong-Ming Yan.(2018).A Semi-Explicit Surface Tracking Mechanism 2 for Multi-Phase Immiscible Liquids.IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS,xx(xx),xx.
MLA Meng Yang,et al."A Semi-Explicit Surface Tracking Mechanism 2 for Multi-Phase Immiscible Liquids".IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS xx.xx(2018):xx.
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