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在东平湖正常设计调水条件下,借助于SMS地表水软件,根据东平湖地形、植被覆盖和调水流向等特征对东平湖进行网格划分,建立了二维水流模型,研究了不同风速、风向对东平湖输水流场的影响。结果表明,当湖区风速为3m/s(一般天气)时,风速、风向基本不会对东平湖输水流场产生影响;当湖区风速达10 m/s(极端天气)时,风速、风向对东平湖输水流场的影响很小,引起的湖水位变幅在5%以下。可见在正常设计调水条件下,风生流对东平湖湖区流场的影响可以忽略,在模拟研究湖区水质(溶质类污染物)时可以不考虑风的影响。
According to the characteristics of Dongping Lake topography, vegetation coverage and water diversion flow, the Dongping Lake was meshed with the help of SMS surface water software under the condition of normal design and water diversion in Dongping Lake. Two-dimensional water flow model was established and the effects of different wind speed, Influence of Wind Direction on the Water Conveyance Field in Dongping Lake. The results show that when the wind speed in the lake area is 3m / s (normal weather), the wind speed and wind direction basically have no effect on the water flow field in Dongping Lake. When the wind speed in the lake reaches 10 m / s (extreme weather), the wind speed and wind direction Dongpinghu water flow field has little effect, causing the water level fluctuation in less than 5%. It can be seen that under the condition of normal design of water diversion, the influence of wind flow on the flow field in Dongping Lake area can be neglected, and the effect of wind can be ignored when simulating the water quality of the lake (solute pollutants).