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Bifurcations of vortex-induced vibrations of a fixed membrane wing at Re 1000
Sun X; Wang SZ(王士召); Zhang JZ; Ye ZH
2018-03-01
发表期刊NONLINEAR DYNAMICS
卷号91期号:4页码:2097-2112
ISSN0924-090X
摘要Vortex-induced vibrations (VIVs) of a fixed two-dimensional perimeter-reinforced (PR) membrane wing at Re (Reynolds number) 1000 and (angle of attack) 30 are investigated using fluid-structure interaction simulations. By employing very fine increments for Re and , bifurcation boundaries of the dynamic response of the membrane wing in the Re- plane are captured. With increase in Re and/or , it is found that the VIV state of a fixed PR membrane wing will change progressively from static state to period 1 via a Hopf bifurcation and then from period 1 to multiple period and chaos via a succession of period-doubling bifurcations. The Hopf bifurcation is triggered by the shedding of the leading- and/or trailing-edge vortices, while the period-doubling bifurcations are induced by the appearance and evolution of the secondary vortices on the upper surface of the membrane wing at higher Re and . With an increase in the structure rigidity or pre-strain, the overall responses of the membrane wing are not changed much in the Re- plane except that the period 1 response near and is destroyed, due to the significant change of the shedding process of the leading-edge vortices. Moreover, it is also found that unsteady responses of the PR membrane wing at can be suppressed by small pre-strain.
关键词Membrane wing Vortex-induced vibration Numerical simulation Bifurcation Fluid-structure interaction
DOI10.1007/s11071-017-4004-1
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000425543500003
关键词[WOS]MICRO AIR VEHICLES ; AERODYNAMIC COEFFICIENTS ; FLEXIBLE MEMBRANE ; FLOW ; AEROMECHANICS ; COMPUTATION
WOS研究方向Engineering, Mechanical ; Mechanics
WOS类目Engineering ; Mechanics
项目资助者National Natural Science Foundation of China [51506224] ; Opening Fund of State Key Laboratory of Nonlinear Mechanics ; Science Foundation of China University of Petroleum-Beijing [C201602]
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力学所作者排名2
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77914
专题非线性力学国家重点实验室
作者单位1.[Sun, Xu
2.China Univ Petr, Natl Engn Lab Pipeline Safety, MOE Key Lab Petr Engn, Beijing 102249, Peoples R China
3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
4.Xi An Jiao Tong Univ, Sch Energy & Power Engn, Xian 710049, Shaanxi, Peoples R China
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Sun X,Wang SZ,Zhang JZ,et al. Bifurcations of vortex-induced vibrations of a fixed membrane wing at Re 1000[J]. NONLINEAR DYNAMICS,2018,91(4):2097-2112.
APA Sun X,王士召,Zhang JZ,&Ye ZH.(2018).Bifurcations of vortex-induced vibrations of a fixed membrane wing at Re 1000.NONLINEAR DYNAMICS,91(4),2097-2112.
MLA Sun X,et al."Bifurcations of vortex-induced vibrations of a fixed membrane wing at Re 1000".NONLINEAR DYNAMICS 91.4(2018):2097-2112.
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