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Consistent Particle Method simulation of solitary wave impinging on and overtopping a seawall
Engineering Analysis with Boundary Elements, Volume: 103, Pages: 160 - 171
Swansea University Authors: Min Luo , Dominic Reeve , Harshinie Karunarathna
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DOI (Published version): 10.1016/j.enganabound.2019.03.012
Abstract
Tsunamis are among the most destructive natural hazards and can cause massive damage to the coastal communities. This paper presents a first numerical study on the tsunami-like solitary wave impinging and overtopping based on the mesh-free Consistent Particle Method (CPM). The distinct feature of CP...
Published in: | Engineering Analysis with Boundary Elements |
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ISSN: | 0955-7997 |
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2019
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URI: | https://cronfa.swan.ac.uk/Record/cronfa49781 |
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2022-11-15T16:35:05.7609463 v2 49781 2019-03-28 Consistent Particle Method simulation of solitary wave impinging on and overtopping a seawall 91e3463c73c6a9d1f5c025feebe4ad0f 0000-0002-6688-9127 Min Luo Min Luo true false 3e76fcc2bb3cde4ddee2c8edfd2f0082 0000-0003-1293-4743 Dominic Reeve Dominic Reeve true false 0d3d327a240d49b53c78e02b7c00e625 0000-0002-9087-3811 Harshinie Karunarathna Harshinie Karunarathna true false 2019-03-28 GENG Tsunamis are among the most destructive natural hazards and can cause massive damage to the coastal communities. This paper presents a first numerical study on the tsunami-like solitary wave impinging and overtopping based on the mesh-free Consistent Particle Method (CPM). The distinct feature of CPM is that it computes the spatial derivatives in a way consistent with the Taylor series expansion and hence achieves good numerical consistency and accuracy. This largely alleviates the spurious pressure fluctuation that is a key issue for the particle method. Validated by the benchmark example of solitary wave impact on a seawall, the CPM model is shown to be able to capture the highly deformed breaking wave and the impact pressure associated with wave impinging and overtopping. Using the numerical model, a parametric study of the effect of seawall cross-sectional geometry on the characteristics of wave overtopping is conducted. It is found that a higher water level can lead to much more intensive overtopping volume and kinetic energy of the overtopping flow, which implies that the coastal areas are at higher risk as the sea level rises. For the purpose of engineering interest, a simple and practical way to estimate the intensity of a real tsunami is presented in terms of the volume and energy of the bulge part of the incident wave. Journal Article Engineering Analysis with Boundary Elements 103 160 171 0955-7997 Consistent Particle Method, Solitary wave, Wave impinging, Overtopping 31 12 2019 2019-12-31 10.1016/j.enganabound.2019.03.012 COLLEGE NANME General Engineering COLLEGE CODE GENG Swansea University 2022-11-15T16:35:05.7609463 2019-03-28T09:32:50.5061572 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Min Luo 0000-0002-6688-9127 1 Dominic Reeve 0000-0003-1293-4743 2 Songdong Shao 3 Harshinie Karunarathna 0000-0002-9087-3811 4 Pengzhi Lin 5 Huayang Cai 6 0049781-29032019150434.pdf luo2019.pdf 2019-03-29T15:04:34.6200000 Output 2140000 application/pdf Accepted Manuscript true 2020-03-23T00:00:00.0000000 true eng |
title |
Consistent Particle Method simulation of solitary wave impinging on and overtopping a seawall |
spellingShingle |
Consistent Particle Method simulation of solitary wave impinging on and overtopping a seawall Min Luo Dominic Reeve Harshinie Karunarathna |
title_short |
Consistent Particle Method simulation of solitary wave impinging on and overtopping a seawall |
title_full |
Consistent Particle Method simulation of solitary wave impinging on and overtopping a seawall |
title_fullStr |
Consistent Particle Method simulation of solitary wave impinging on and overtopping a seawall |
title_full_unstemmed |
Consistent Particle Method simulation of solitary wave impinging on and overtopping a seawall |
title_sort |
Consistent Particle Method simulation of solitary wave impinging on and overtopping a seawall |
author_id_str_mv |
91e3463c73c6a9d1f5c025feebe4ad0f 3e76fcc2bb3cde4ddee2c8edfd2f0082 0d3d327a240d49b53c78e02b7c00e625 |
author_id_fullname_str_mv |
91e3463c73c6a9d1f5c025feebe4ad0f_***_Min Luo 3e76fcc2bb3cde4ddee2c8edfd2f0082_***_Dominic Reeve 0d3d327a240d49b53c78e02b7c00e625_***_Harshinie Karunarathna |
author |
Min Luo Dominic Reeve Harshinie Karunarathna |
author2 |
Min Luo Dominic Reeve Songdong Shao Harshinie Karunarathna Pengzhi Lin Huayang Cai |
format |
Journal article |
container_title |
Engineering Analysis with Boundary Elements |
container_volume |
103 |
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160 |
publishDate |
2019 |
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Swansea University |
issn |
0955-7997 |
doi_str_mv |
10.1016/j.enganabound.2019.03.012 |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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Faculty of Science and Engineering |
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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 |
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description |
Tsunamis are among the most destructive natural hazards and can cause massive damage to the coastal communities. This paper presents a first numerical study on the tsunami-like solitary wave impinging and overtopping based on the mesh-free Consistent Particle Method (CPM). The distinct feature of CPM is that it computes the spatial derivatives in a way consistent with the Taylor series expansion and hence achieves good numerical consistency and accuracy. This largely alleviates the spurious pressure fluctuation that is a key issue for the particle method. Validated by the benchmark example of solitary wave impact on a seawall, the CPM model is shown to be able to capture the highly deformed breaking wave and the impact pressure associated with wave impinging and overtopping. Using the numerical model, a parametric study of the effect of seawall cross-sectional geometry on the characteristics of wave overtopping is conducted. It is found that a higher water level can lead to much more intensive overtopping volume and kinetic energy of the overtopping flow, which implies that the coastal areas are at higher risk as the sea level rises. For the purpose of engineering interest, a simple and practical way to estimate the intensity of a real tsunami is presented in terms of the volume and energy of the bulge part of the incident wave. |
published_date |
2019-12-31T04:01:00Z |
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1763753129892904960 |
score |
11.036706 |