Zhang, N., Zheng, X., Ma, Q. et al. (4 more authors) (2018) A hybrid stabilization technique for simulating water wave – structure interaction by Incompressible Smoothed Particle Hydrodynamics (ISPH) method. Journal of Hydro-environment Research, 18. pp. 77-94. ISSN 1570-6443
Abstract
The Smoothed Particle Hydrodynamics (SPH) method is emerging as a potential tool for studying water wave related problems, especially for violent free surface flow and large deformation problems. The incompressible SPH (ISPH) computations have been found not to be able to maintain the stability in certain situations and there exist some spurious oscillations in the pressure time history, which is similar to the weakly compressible SPH (WCSPH). One main cause of this problem is related to the non-uniform and clustered distribution of the moving particles. In order to improve the model performance, the paper proposed an efficient hybrid numerical technique aiming to correct the ill particle distributions. The correction approach is realized through the combination of particle shifting and pressure gradient improvement. The advantages of the proposed hybrid technique in improving ISPH calculations are demonstrated through several applications that include solitary wave impact on a slope or overtopping a seawall, and regular wave slamming on the subface of open-piled structure.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2017 International Association for Hydro-environment Engineering and Research, Asia Pacific Division. Published by Elsevier. This is an author produced version of a paper subsequently published in Journal of Hydro-environment Research. Uploaded in accordance with the publisher's self-archiving policy. Article available under the terms of the CC-BY-NC-ND licence (https://creativecommons.org/licenses/by-nc-nd/4.0/). |
Keywords: | Hybrid stabilization; ISPH; minimum pressure; particle shift; wave impact |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Civil and Structural Engineering (Sheffield) |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 06 Nov 2017 15:57 |
Last Modified: | 07 Nov 2018 01:39 |
Published Version: | https://doi.org/10.1016/j.jher.2017.11.003 |
Status: | Published |
Publisher: | Elsevier |
Refereed: | Yes |
Identification Number: | 10.1016/j.jher.2017.11.003 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:123543 |
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