FVCOM模型关键参数的处理及其在涌潮模拟中的应用

doi:10.3969/j.issn.1001-909X.2017.01.004

海洋学研究 ›› 2017, Vol. 35 ›› Issue (1): 33-40.DOI: 10.3969/j.issn.1001-909X.2017.01.004

FVCOM模型关键参数的处理及其在涌潮模拟中的应用

程文龙^1,2, 潘存鸿^*1,2, 吴修广^1,2

1.浙江省水利河口研究院,浙江杭州 310020;
2.浙江省河口海岸重点实验室,浙江杭州 310016

收稿日期:2016-02-25 修回日期:2017-01-05 出版日期:2017-03-15 发布日期:2022-11-17
通讯作者: * 潘存鸿(1963-),男,教授级高级工程师,主要从事河口海岸水动力学、泥沙及水环境研究。E-mail:panch@zjwater.gov.cn
作者简介:程文龙(1981-),男,湖北公安县人,高级工程师,主要从事河口海岸动力学研究。E-mail:chengwl@zjwater.gov.cn
基金资助:
国家自然科学基金项目资助(51379190);水利部公益性行业专项项目资助(201001072);浙江省省属科研院所专项计划项目资助(2016F50018);浙江省科技厅创新团队与人才培养项目资助(2012F20031);浙江省公益技术应用研究计划项目资助(2016C33095)

Processing on key parameter in FVCOM and its application on tidal bore simulation

CHENG Wen-long^1,2, PAN Cun-hong^*1,2, WU Xiu-guang^1,2

1. Zhejiang Institute of Hydraulics and Estuary, Hangzhou 310020, China;
2. Key Laboratory of Estuary and Coast of Zhejiang Province, Hangzhou 310016, China

Received:2016-02-25 Revised:2017-01-05 Online:2017-03-15 Published:2022-11-17

摘要/Abstract

摘要： 通过改进海床阻力系数和设置合适的垂向紊动背景系数,应用FVCOM模型成功再现了钱塘江河口强涌潮的演进过程。海床阻力系数采用Manning公式形式,取值随水深、地形在0.000 2~0.002 9之间变化;垂向紊动背景系数取1×10^-4 m²/s。模拟结果较好地复演了涌潮到达时刻、涌潮高度及涌潮抬升过程、涌潮水平流速以及其沿垂向分布规律,表明阻力系数及垂向紊动背景系数等关键参数的改进和处理是合理的,可应用于涌潮三维潮流运动特征模拟。

关键词: 涌潮, FVCOM模型, 三维数值模拟, 阻力系数, 垂向紊动系数

Abstract: The evolution of tidal bore in Qiantang Estuary were successfully reproduced by applying FVCOM model through improving the sea bed roughness coefficient and setting suitable background vertical eddy viscosity. Sea bed roughness coefficient,calculated using the Manning formulation, is between 0.000 2~0.002 9 with the varying depth. The background vertical eddy viscosity is 1×10^-4 m²/s. The simulation well reproduces the tidal bore arriving time, tidal level, setup height, horizontal velocity magnitude and vertical profile, which implies the choice of parameters such as the bed roughness coefficient and background vertical eddy viscosity are reasonable. The procedure could be extended to simulate the 3D tidal movement for tidal bores.

Key words: tidal bore, FVCOM, 3D mathematic simulation, roughness coefficient, vertical eddy viscosity

中图分类号:

TV131.2

程文龙, 潘存鸿, 吴修广. FVCOM模型关键参数的处理及其在涌潮模拟中的应用[J]. 海洋学研究, 2017, 35(1): 33-40.

CHENG Wen-long, PAN Cun-hong, WU Xiu-guang. Processing on key parameter in FVCOM and its application on tidal bore simulation[J]. Journal of Marine Sciences, 2017, 35(1): 33-40.

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FVCOM模型关键参数的处理及其在涌潮模拟中的应用

Processing on key parameter in FVCOM and its application on tidal bore simulation

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