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均匀流中双色波传播特性的模拟研究

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2014-06-15

Journal: 计算力学学报

Included Journals: Scopus、CSCD、ISTIC、PKU

Volume: 31

Issue: 3

Page Number: 402-407

ISSN: 1007-4708

Key Words: 双色波;均匀流;高阶边界元方法;时域模拟;谱方法

Abstract: 针对双色波浪与均匀流相互作用问题,采用时域高阶边界元方法建立自由水面满足完全非线性边界条件的数学模型。求解中采用混合欧拉-拉格朗日方法追踪流体瞬时水面,运用四阶龙格库塔方法更新下一时间步的波面和速度势。通过与已发表试验结果对比,验证了本模型的准确性。通过数值计算研究了水流参数对各组成波及衍生的高阶波幅值、波浪和水流间能量交换的影响规律。

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