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A three-dimensional particle method for violent sloshing under regular and irregular excitations

M. Luo, C.G. Koh, W. Bai, Min Luo Orcid Logo

Ocean Engineering, Volume: 120, Pages: 52 - 63

Swansea University Author: Min Luo Orcid Logo

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DOI (Published version): 10.1016/j.oceaneng.2016.05.015

Abstract

A three-dimensional (3D) numerical model is presented in the framework of Consistent Particle Method (CPM). The 3D gradient and Laplacian operators are derived based on Taylor series expansion, achieving good accuracy and largely alleviating the problem of spurious pressure fluctuation. An accurate...

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Published in: Ocean Engineering
ISSN: 0029-8018
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa36809
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first_indexed 2017-11-16T20:20:01Z
last_indexed 2020-06-19T18:50:33Z
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spelling 2020-06-19T14:05:11.1226856 v2 36809 2017-11-16 A three-dimensional particle method for violent sloshing under regular and irregular excitations 91e3463c73c6a9d1f5c025feebe4ad0f 0000-0002-6688-9127 Min Luo Min Luo true false 2017-11-16 GENG A three-dimensional (3D) numerical model is presented in the framework of Consistent Particle Method (CPM). The 3D gradient and Laplacian operators are derived based on Taylor series expansion, achieving good accuracy and largely alleviating the problem of spurious pressure fluctuation. An accurate boundary recognition scheme is introduced to determine the highly deformed free surface. Validated by our experimental studies of water sloshing under translational and rotational excitations, this model is shown to be robust and accurate in long time simulation of violent free surface flows which involve fluid merging and splitting. Using the validated numerical model, liquefied natural gas sloshing in a real ship under sea excitations is investigated. It is found that the sloshing waves in the beam sea sailing condition is the most violent and seriously affects the stability of ship motion. Various wave patterns under different excitations are discussed. Journal Article Ocean Engineering 120 52 63 0029-8018 particle method; three-dimensional; sloshing; rotational excitation; sea excitation 1 7 2016 2016-07-01 10.1016/j.oceaneng.2016.05.015 https://e-space.mmu.ac.uk/618773/ COLLEGE NANME General Engineering COLLEGE CODE GENG Swansea University 2020-06-19T14:05:11.1226856 2017-11-16T18:41:10.4496415 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - General Engineering M. Luo 1 C.G. Koh 2 W. Bai 3 Min Luo 0000-0002-6688-9127 4
title A three-dimensional particle method for violent sloshing under regular and irregular excitations
spellingShingle A three-dimensional particle method for violent sloshing under regular and irregular excitations
Min Luo
title_short A three-dimensional particle method for violent sloshing under regular and irregular excitations
title_full A three-dimensional particle method for violent sloshing under regular and irregular excitations
title_fullStr A three-dimensional particle method for violent sloshing under regular and irregular excitations
title_full_unstemmed A three-dimensional particle method for violent sloshing under regular and irregular excitations
title_sort A three-dimensional particle method for violent sloshing under regular and irregular excitations
author_id_str_mv 91e3463c73c6a9d1f5c025feebe4ad0f
author_id_fullname_str_mv 91e3463c73c6a9d1f5c025feebe4ad0f_***_Min Luo
author Min Luo
author2 M. Luo
C.G. Koh
W. Bai
Min Luo
format Journal article
container_title Ocean Engineering
container_volume 120
container_start_page 52
publishDate 2016
institution Swansea University
issn 0029-8018
doi_str_mv 10.1016/j.oceaneng.2016.05.015
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 - General Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - General Engineering
url https://e-space.mmu.ac.uk/618773/
document_store_str 0
active_str 0
description A three-dimensional (3D) numerical model is presented in the framework of Consistent Particle Method (CPM). The 3D gradient and Laplacian operators are derived based on Taylor series expansion, achieving good accuracy and largely alleviating the problem of spurious pressure fluctuation. An accurate boundary recognition scheme is introduced to determine the highly deformed free surface. Validated by our experimental studies of water sloshing under translational and rotational excitations, this model is shown to be robust and accurate in long time simulation of violent free surface flows which involve fluid merging and splitting. Using the validated numerical model, liquefied natural gas sloshing in a real ship under sea excitations is investigated. It is found that the sloshing waves in the beam sea sailing condition is the most violent and seriously affects the stability of ship motion. Various wave patterns under different excitations are discussed.
published_date 2016-07-01T03:46:09Z
_version_ 1763752196078305280
score 11.016235

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