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Numerical simulation for wave climbing process on woody plants covered slope
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Haijue Xu1, 2, Ping Hu2, Yuchuan Bai1, 2, *, Bo Yang3
Haiyang Xuebao | 2020, 42(3) : 10 - 24
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Haiyang Xuebao | 2020, 42(3): 10-24
• Physical Oceanography, Marine Meteorology and Marine Physics •
Numerical simulation for wave climbing process on woody plants covered slope
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Haijue Xu1, 2, Ping Hu2, Yuchuan Bai1, 2, *, Bo Yang3
Affiliations
  • 1 The State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300350, China
  • 2 Institute for Sediment on River and Coast Engineering, Tianjin University, Tianjin 300350, China
  • 3 AECOM (Tianjin) Engineering Consultants Co, Ltd, Tianjin 300072, China
Published: 2020-03-25 doi: 10.3969/j.issn.0253-4193.2020.03.002
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As a new type of coastal ecological protection measure, ecological buffer zone formed by woody plants in coastal areas has attracted more and more attention in coastal engineering projects. It is an urgent problem to be solved that how to carry out the research on the protection effect of woody plants. The numerical simulation method is used in this paper. Firstly, a theoretical model of surface wave attenuation for wave climbing along a slope under the protection of woody vegetation is proposed by including the drag forces of branches and trunks in the N-S equation. Next, the MAC method is used to track the trajectories of water particles on the free surface. Then, taking the wave climbing along a slope of 1/30 as an example, the wave propagation process along an inclined beach with or without vegetation is discussed. The validity of the numerical model is verified by comparing the numerical result and those of the previous experiments. Finally, influences of the vegetation characteristics, such as height, density and tilt angle of plant branches and those of wave factors on wave dissipation are discussed and analyzed, respectively. Additionally, the rules of wave dissipation are summarized. The calculation results of this model can also be applicable to the design of revetment structures and ecological landscape.

ecological protection  /  numerical simulation  /  drag force  /  slope propagation  /  vegetation characteristics
Haijue Xu, Ping Hu, Yuchuan Bai, Bo Yang. Numerical simulation for wave climbing process on woody plants covered slope[J]. Haiyang Xuebao, 2020 , 42 (3) : 10 -24 . DOI: 10.3969/j.issn.0253-4193.2020.03.002
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Article Info
doi: 10.3969/j.issn.0253-4193.2020.03.002
  • Receive Date：2018-10-16
  • Online Date：2026-03-26
  • Published：2020-03-25
Article Data
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History
  • Received：2018-10-16
  • Revised：2018-12-26
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Affiliations
    1 The State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300350, China
    2 Institute for Sediment on River and Coast Engineering, Tianjin University, Tianjin 300350, China
    3 AECOM (Tianjin) Engineering Consultants Co, Ltd, Tianjin 300072, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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