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Review of the state-of-art of MPS method in ocean engineering

Review of the state-of-art of MPS method in ocean engineering
Review of the state-of-art of MPS method in ocean engineering
When dealing with the complex deformation of free surface such as wave breaking, traditional mesh-based Computational Fluid Dynamics (CFD) methods often face problems arising alongside grid distortion and re-meshing. Therefore, the meshless method became robust for treating large displaced free surface and other boundaries caused by moving structures. The particle method, which is an important branch of meshless method, is mainly divided into the Smoothed Particle Hydrodynamics (SPH) and Moving Particle Semi-implicit (MPS) methods. Different from the SPH method, which involves continuity and treat density as a variable when building kernel functions, the kernel function in the MPS method is a weight function which treats density as a constant, and the spatial derivatives are discretized by establishing the gradient operator and Laplace operator separately. In other words, the first-or second-order continuity of the kernel functions in the MPS method is not a necessity as in SPH, though it might be desirable. At present, the MPS method has been successfully applied to various violent-free surface flow problems in ocean engineering and diverse applications have been comprehensively demonstrated in a number of review papers. This work will focus on algorithm developments of the MPS method and to provide all perspectives in terms of numerical algorithms along with their pros and cons.
Sun, Zhe
39500989-1bbe-4ec5-abf3-0a367f7f2ea1
Dou, Li‐yuan
076c9899-4388-4065-91c4-0a224b6e0228
Tan, Si‐yuan
9bed5e5c-b83d-4fc4-bf89-431026cf7573
Xu, Zi‐kai
24236e1a-ce57-477d-9a3d-c17e13199bae
Djidjeli, Kamal
94ac4002-4170-495b-a443-74fde3b92998
Zhou, Yan
2514ab8e-d2aa-43ad-ae2b-5d26749e4e8a
Sun, Zhe
39500989-1bbe-4ec5-abf3-0a367f7f2ea1
Dou, Li‐yuan
076c9899-4388-4065-91c4-0a224b6e0228
Tan, Si‐yuan
9bed5e5c-b83d-4fc4-bf89-431026cf7573
Xu, Zi‐kai
24236e1a-ce57-477d-9a3d-c17e13199bae
Djidjeli, Kamal
94ac4002-4170-495b-a443-74fde3b92998
Zhou, Yan
2514ab8e-d2aa-43ad-ae2b-5d26749e4e8a

Sun, Zhe, Dou, Li‐yuan, Tan, Si‐yuan, Xu, Zi‐kai, Djidjeli, Kamal and Zhou, Yan (2022) Review of the state-of-art of MPS method in ocean engineering. Journal of Marine Science and Engineering, 10 (8).

Record type: Article

Abstract

When dealing with the complex deformation of free surface such as wave breaking, traditional mesh-based Computational Fluid Dynamics (CFD) methods often face problems arising alongside grid distortion and re-meshing. Therefore, the meshless method became robust for treating large displaced free surface and other boundaries caused by moving structures. The particle method, which is an important branch of meshless method, is mainly divided into the Smoothed Particle Hydrodynamics (SPH) and Moving Particle Semi-implicit (MPS) methods. Different from the SPH method, which involves continuity and treat density as a variable when building kernel functions, the kernel function in the MPS method is a weight function which treats density as a constant, and the spatial derivatives are discretized by establishing the gradient operator and Laplace operator separately. In other words, the first-or second-order continuity of the kernel functions in the MPS method is not a necessity as in SPH, though it might be desirable. At present, the MPS method has been successfully applied to various violent-free surface flow problems in ocean engineering and diverse applications have been comprehensively demonstrated in a number of review papers. This work will focus on algorithm developments of the MPS method and to provide all perspectives in terms of numerical algorithms along with their pros and cons.

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Accepted/In Press date: 17 July 2022
Published date: 22 July 2022

Identifiers

Local EPrints ID: 468772
URI: http://eprints.soton.ac.uk/id/eprint/468772
PURE UUID: 221ad1f1-3db0-4c6e-b835-835f136d33bb

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Date deposited: 25 Aug 2022 17:00
Last modified: 16 Mar 2024 21:25

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Contributors

Author: Zhe Sun
Author: Li‐yuan Dou
Author: Si‐yuan Tan
Author: Zi‐kai Xu
Author: Kamal Djidjeli
Author: Yan Zhou

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