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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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渤海海峡拉格朗日余流的数值模拟
, PP. 31-37
Abstract:
本文首先用二维非线性模式对渤海海峡的M2分潮进行数值模拟,求得逐太阴时潮位和潮流场,进而导出欧拉型的潮余流,计算结果与实测资料符合良好.在潮流模拟的基础上,对海峡中投放的标识质点的拉格朗日运动进行数值跟踪,获得典型潮时起算的拉格朗日漂移和拉格朗日余流,与欧拉余流相似,拉格朗日余流也呈北大南小之势,但二者的量值并不相同.对于确定的潮流场,欧拉余流是定常的,而拉格朗日余流却是潮位相的函数.
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