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引用本文:张洪生,辜俊波,文武健.淀山湖风浪场的数值模拟.湖泊科学,2011,23(5):783-788. DOI:10.18307/2011.0517
ZHANG Hongsheng,GU Junbo,WEN Wujian.Numerical simulation of the wind wave fields in Lake Dianshan. J. Lake Sci.2011,23(5):783-788. DOI:10.18307/2011.0517
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淀山湖风浪场的数值模拟
张洪生, 辜俊波, 文武健
上海交通大学海洋工程国家重点实验室, 上海 200240
摘要:
对淀山湖的风场和风浪场进行了观测, 根据所观测的风场利用SWAN模型计算了湖区的风浪场.通过将计算的波高和观测值进行比较, 说明计算结果的变化趋势和观测结果的变化趋势相吻合;观测结果的波动幅度较大, 而计算结果比较平滑.总体说来, 基于SWAN模型所计算的波高可信、可靠.在此基础上, 利用SWAN模型较为系统地计算了不同水位和不同风速的风场组合作用下淀山湖水域的风浪场, 为今后淀山湖的防汛和环境保护提供了初步的参考依据。
关键词:  淀山湖  风浪场  SWAN模型  数值模拟
DOI:10.18307/2011.0517
分类号:
基金项目:国家自然科学基金项目(40676053,51079082);上海市科学技术委员会项目(08DZ1203005);上海交通大学海洋工程国家重点实验室开放基金项目(GKZD010012,GP010818,GKZD010024)联合资助
Numerical simulation of the wind wave fields in Lake Dianshan
ZHANG Hongsheng, GU Junbo, WEN Wujian
State Laboratory of Ocean Engineering, Shanghai Jiaotong University, Shanghai 200240, P.R.China
Abstract:
On the basis of observation for wind fields and wind wave fields in Lake Dianshan, the wind wave fields were numerical-ly simulated with the SWAN model.Comparisons of wave height between modeling and measurement indicated that the variation tendencies of the modeled wind wave fields were in agreement with those of the measured data.However, the fluctuation amplitudes of measured data are greater than those of modeled results.On the whole, the modeled wind wave fields are reasonable and relia-ble.Therefore, the wind wave fields in Lake Dianshan have been systematically simulated with different water levels and different wind fields.The modeled results can be taken as the reference basis for the flood prevention and environmental conservation of Lake Dianshan.
Key words:  Lake Dianshan  wind wave field  SWAN model  numerical simulation
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