CASIA OpenIR  > 模式识别国家重点实验室  > 多媒体计算与图形学
A Semi-Explicit Surface Tracking Mechanism for Multi-Phase Immiscible Liquids
Yang, Meng; YE, Juntao; Ding, Frank; Zhang, Yubo; Yan, Dong-Ming
Source PublicationIEEE Transactions on Visualization and Computer Graphics
2019
Volume25Issue:10Pages:2873-2885
Abstract

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 geometries that are 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 cells 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, and strategies for remeshing mesh/RLS interconversions.

KeywordSurface Tracking , Explicit Mesh , reMeshing , Regional Level Set , Multi-material , Spectrally Refined Grid
MOST Discipline Catalogue工学::信息与通信工程
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/25836
Collection模式识别国家重点实验室_多媒体计算与图形学
Corresponding AuthorYang, Meng
AffiliationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yang, Meng,YE, Juntao,Ding, Frank,et al. A Semi-Explicit Surface Tracking Mechanism for Multi-Phase Immiscible Liquids[J]. IEEE Transactions on Visualization and Computer Graphics,2019,25(10):2873-2885.
APA Yang, Meng,YE, Juntao,Ding, Frank,Zhang, Yubo,&Yan, Dong-Ming.(2019).A Semi-Explicit Surface Tracking Mechanism for Multi-Phase Immiscible Liquids.IEEE Transactions on Visualization and Computer Graphics,25(10),2873-2885.
MLA Yang, Meng,et al."A Semi-Explicit Surface Tracking Mechanism for Multi-Phase Immiscible Liquids".IEEE Transactions on Visualization and Computer Graphics 25.10(2019):2873-2885.
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