[1]康庄,张橙,张立健,等.基于改进湍流模型的圆柱涡激振动数值模拟研究[J].哈尔滨工程大学学报,2018,39(05):837-844.[doi:10.11990/jheu.201702023]
 KANG Zhuang,ZHANG Cheng,ZHANG Lijian,et al.Numerical simulation of vortex-induced vibration of cylinder based on improved turbulence model[J].hebgcdxxb,2018,39(05):837-844.[doi:10.11990/jheu.201702023]
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基于改进湍流模型的圆柱涡激振动数值模拟研究(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
39
期数:
2018年05期
页码:
837-844
栏目:
出版日期:
2018-05-05

文章信息/Info

Title:
Numerical simulation of vortex-induced vibration of cylinder based on improved turbulence model
作者:
康庄 张橙 张立健 贾五洋
哈尔滨工程大学 深海工程技术研究中心, 黑龙江 哈尔滨 150001
Author(s):
KANG Zhuang ZHANG Cheng ZHANG Lijian JIA Wuyang
Deep-sea Engineering Technology Research Center, Harbin Engineering University, Harbin 150001, China
关键词:
涡激振动湍流模型数值模拟圆柱绕流升力阻力初始条件迟滞机理
分类号:
U674
DOI:
10.11990/jheu.201702023
文献标志码:
A
摘要:
为准确模拟圆柱体在涡激振动中的升力与阻力,本文对SST(shear stress transport)k-ω湍流模型进行改进,并在圆柱绕流中验证改进模型的正确性。基于OpenFOAM嵌入自编程序进行圆柱双自由度涡激振动数值模拟,采用三种不同的初始条件,通过计算对比三种初始状态下涡激振动的幅值、锁定区间、流体力、运动轨迹以及漩涡脱落特点,发现三种初始条件下得到的结果有一定的差别,相比之下匀加速条件的结果最为精确。研究显示:漩涡脱落模式的突变导致了幅值分支的突变,漩涡脱落体现出的“惯性”是产生“迟滞现象”的内在原因之一。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-02-20。
基金项目:国家自然科学基金项目(51509045).
作者简介:康庄(1978-),男,教授,博士生导师;张橙(1991-),男,博士研究生.
通讯作者:张橙,E-mail:orangez@hrbeu.edu.cn.
更新日期/Last Update: 2018-05-19