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Incompressibility Enforcement for Multiple-Fluid SPH Using Deformation Gradient

Bo Ren Orcid Logo, Wei He, Chenfeng Li Orcid Logo, Xu Chen Orcid Logo

IEEE Transactions on Visualization and Computer Graphics, Volume: 28, Issue: 10, Pages: 3417 - 3427

Swansea University Author: Chenfeng Li Orcid Logo

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DOI (Published version): 10.1109/tvcg.2021.3062643

Abstract

To maintain incompressibility in SPH fluid simulations is important for visual plausibility. However, it remains an outstanding challenge to enforce incompressibility in such recent multiple-fluid simulators as the mixture-model SPH framework. To tackle this problem, we propose a novel incompressibl...

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Published in: IEEE Transactions on Visualization and Computer Graphics
ISSN: 1077-2626 1941-0506
Published: Institute of Electrical and Electronics Engineers (IEEE) 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa56467
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first_indexed 2021-03-18T10:09:21Z
last_indexed 2023-01-11T14:35:43Z
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spelling 2022-10-19T12:09:20.6812028 v2 56467 2021-03-18 Incompressibility Enforcement for Multiple-Fluid SPH Using Deformation Gradient 82fe170d5ae2c840e538a36209e5a3ac 0000-0003-0441-211X Chenfeng Li Chenfeng Li true false 2021-03-18 CIVL To maintain incompressibility in SPH fluid simulations is important for visual plausibility. However, it remains an outstanding challenge to enforce incompressibility in such recent multiple-fluid simulators as the mixture-model SPH framework. To tackle this problem, we propose a novel incompressible SPH solver, where the compressibility of fluid is directly measured by the deformation gradient. By disconnecting the incompressibility of fluid from the conditions of constant density and divergence-free velocity, the new incompressible SPH solver is applicable to both single- and multiple-fluid simulations. The proposed algorithm can be readily integrated into existing incompressible SPH frameworks developed for single-fluid, and is fully parallelizable on GPU. Applied to multiple-fluid simulations, the new incompressible SPH scheme significantly improves the visual effects of the mixture-model simulation, and it also allows exploitation for artistic controlling. Journal Article IEEE Transactions on Visualization and Computer Graphics 28 10 3417 3427 Institute of Electrical and Electronics Engineers (IEEE) 1077-2626 1941-0506 1 10 2022 2022-10-01 10.1109/tvcg.2021.3062643 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University National Key R&D Program of China (Grant Number: 2017YFB1002701) 2022-10-19T12:09:20.6812028 2021-03-18T10:05:51.4486151 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Bo Ren 0000-0001-8179-9122 1 Wei He 2 Chenfeng Li 0000-0003-0441-211X 3 Xu Chen 0000-0002-2632-7576 4 56467__19719__98ee936b916b42909c9b400b2c9905f4.pdf 56467.pdf 2021-04-21T08:25:04.4904656 Output 24303866 application/pdf Accepted Manuscript true true eng
title Incompressibility Enforcement for Multiple-Fluid SPH Using Deformation Gradient
spellingShingle Incompressibility Enforcement for Multiple-Fluid SPH Using Deformation Gradient
Chenfeng Li
title_short Incompressibility Enforcement for Multiple-Fluid SPH Using Deformation Gradient
title_full Incompressibility Enforcement for Multiple-Fluid SPH Using Deformation Gradient
title_fullStr Incompressibility Enforcement for Multiple-Fluid SPH Using Deformation Gradient
title_full_unstemmed Incompressibility Enforcement for Multiple-Fluid SPH Using Deformation Gradient
title_sort Incompressibility Enforcement for Multiple-Fluid SPH Using Deformation Gradient
author_id_str_mv 82fe170d5ae2c840e538a36209e5a3ac
author_id_fullname_str_mv 82fe170d5ae2c840e538a36209e5a3ac_***_Chenfeng Li
author Chenfeng Li
author2 Bo Ren
Wei He
Chenfeng Li
Xu Chen
format Journal article
container_title IEEE Transactions on Visualization and Computer Graphics
container_volume 28
container_issue 10
container_start_page 3417
publishDate 2022
institution Swansea University
issn 1077-2626
1941-0506
doi_str_mv 10.1109/tvcg.2021.3062643
publisher Institute of Electrical and Electronics Engineers (IEEE)
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering
document_store_str 1
active_str 0
description To maintain incompressibility in SPH fluid simulations is important for visual plausibility. However, it remains an outstanding challenge to enforce incompressibility in such recent multiple-fluid simulators as the mixture-model SPH framework. To tackle this problem, we propose a novel incompressible SPH solver, where the compressibility of fluid is directly measured by the deformation gradient. By disconnecting the incompressibility of fluid from the conditions of constant density and divergence-free velocity, the new incompressible SPH solver is applicable to both single- and multiple-fluid simulations. The proposed algorithm can be readily integrated into existing incompressible SPH frameworks developed for single-fluid, and is fully parallelizable on GPU. Applied to multiple-fluid simulations, the new incompressible SPH scheme significantly improves the visual effects of the mixture-model simulation, and it also allows exploitation for artistic controlling.
published_date 2022-10-01T04:11:27Z
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score 11.013731

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