平面潮流数值模拟中底床摩阻系数的修正

被引:10
作者
宋志尧
机构
[1] 河海大学海工所!江苏南京
关键词
潮流; 摩阻系数; 数值模拟; 修正;
D O I
10.16076/j.cnki.cjhd.2001.01.008
中图分类号
P731.23 [潮汐];
学科分类号
摘要
本文从三维潮流运动控制方程出发 ,假定潮流垂直分布服从对数律 ,推得了一个较全面反映水深、水位变化梯度和流向等因素的摩阻系数修正表达式。理论分析和应用表明 ,运用修正后的摩阻系数 ,平面二维潮流数值模型更为完善 ,并能适用于陡变地形 ,从而使复演模拟和工程计算结果更为科学合理
引用
收藏
页码:56 / 61
页数:6
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