IMECH-IR  > 流固耦合系统力学重点实验室
直立圆柱体内孤立波载荷特性数值模拟(英文)
王旭1,2; 林忠义3; 尤云祥1; 於锐4
Source Publication船舶力学
2017-09-15
Volume21Issue:09Pages:1071-1085
ISSN1007-7294
Abstract以三类内孤立波理论(KdV、eKdV和MCC)的适用性条件为依据,将内孤立波诱导上下层深度平均水平速度作为入口条件,采用Navier-Stokes方程为流场控制方程,建立了两层流体中内孤立波对直立圆柱体强非线性作用的数值模拟方法。结果表明,数值模拟所得内孤立波波形及其振幅与相应理论和实验结果一致,并且直立圆柱体内孤立波水平力、垂向力及其力矩数值模拟结果与实验结果吻合。直立圆柱体内孤立波载荷由波浪压差力、粘性压差力和摩擦力构成,其中摩擦力很小,可以忽略;对于水平力,其波浪压差力与粘性压差力量级相当,流体粘性的影响显著;对于垂向力,粘性压差力很小,流体粘性影响可以忽略。此外,直立圆柱体对内孤立波的波形及其诱导流场的影响很小,因此采用Morison公式和傅汝德—克雷洛夫力分别计算其内孤立波水平力和垂向力是可行的。
Keyword两层流体 内孤立波 数值模拟 载荷特性
Indexed ByEI ; CSCD
Language中文
Funding OrganizationSupported by the National Natural Science Foundation of China(11372184,11602274,11232012,11572332) ; The Specialized Research Foundation for the Doctoral Program of Higher Education of China(20110073130003)~~
DepartmentLMFS水环境流体力学(LEM)
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/71967
Collection流固耦合系统力学重点实验室
Affiliation1.上海交通大学海洋工程国家重点实验室,上海200240;
2.中国科学院力学研究所流固耦合系统力学重点实验室,北京100190;
3.嘉兴南洋职业技术学院,浙江嘉兴314003;
4.江苏省地方海事局,南京210004
Recommended Citation
GB/T 7714
王旭,林忠义,尤云祥,等. 直立圆柱体内孤立波载荷特性数值模拟(英文)[J]. 船舶力学,2017,21(09):1071-1085.
APA 王旭,林忠义,尤云祥,&於锐.(2017).直立圆柱体内孤立波载荷特性数值模拟(英文).船舶力学,21(09),1071-1085.
MLA 王旭,et al."直立圆柱体内孤立波载荷特性数值模拟(英文)".船舶力学 21.09(2017):1071-1085.
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