基于风洞试验和数值模拟的双矩形断面涡振气动干扰研究

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振动与冲击 ›› 2020, Vol. 39 ›› Issue (1) : 157-183.

论文

马凯，胡传新，袁万城，周志勇，党新志

作者信息 +

Aerodynamic interferences in vortex-induced vibration of dual-rectangular sections based on wind tunnel tests and numerical simulation

MA Kai, HU Chuanxin, YUAN Wancheng, ZHOU Zhiyong, DANG Xinzhi

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文章历史 +

摘要

采用节段模型风洞试验和CFD数值模拟对宽高比为5∶1的双幅矩形断面涡振气动干扰进行了研究。分析了不同水平间距对双矩形断面竖弯和扭转涡振响应的影响。在水平间距比为1.2时进行了动态压力测试，并分别对竖弯和扭转涡振风速下的脉动风压场进行POD分析。结果表明双矩形断面间存在显著的气动干扰，且一般而言下游断面的涡振响应大于上游断面。前两阶本征模态与双矩形断面涡振相关联，由前两阶本征模态可重构脉动风压场。CFD数值模拟的结果表明双矩形断面的涡振符合“撞击剪切层失稳机制”，且一个周期内上游断面下风向以及下游断面上风向区域的流动变化较为显著。CFD模拟与POD分析的结果相符合，两者相结合可用于分析双矩形断面的涡振现象。

Abstract

Here, segment model’s wind tunnel tests and CFD simulation were conducted to investigate aerodynamic interferences in vortex-induced vibration (VIV) of dual-rectangular sections with the aspect ratio of 5. Effects of horizontal spacing on dual-rectangular sections’ vertical bending and torsional VIV responses were analyzed. Dynamic pressure measurements were done during the horizontal spacing ratio being 1.2. POD analysis was conducted for fluctuating wind pressure field under vertical bending and torsional VIV wind velocities, respectively. The results showed that there are significant aerodynamic interferences between dual-rectangular sections, and VIV response of downstream section is larger than that of upstream one in general; the first two POD modes are correlated with VIVs of dual-rectangular sections, and the first two POD modes can be used to reconstruct fluctuating wind pressure fields. CFD simulation results showed that VIV of dual-rectangular sections conforms to "instability mechanism of impact shear layer", and flowing variations are more significant in areas of downwind direction of upstream section and upwind direction of downstream section within one period; CFD simulation results are consistent to those of POD analysis, the former combined with the latter can be used to analyze VIV phenomena of dual-rectangular sections.

导出引用

马凯，胡传新，袁万城，周志勇，党新志. 基于风洞试验和数值模拟的双矩形断面涡振气动干扰研究[J]. 振动与冲击, 2020, 39(1): 157-183

MA Kai, HU Chuanxin, YUAN Wancheng, ZHOU Zhiyong, DANG Xinzhi. Aerodynamic interferences in vortex-induced vibration of dual-rectangular sections based on wind tunnel tests and numerical simulation[J]. Journal of Vibration and Shock, 2020, 39(1): 157-183

参考文献

[1] 陈政清, 牛华伟, 刘志文. 平行双箱梁桥面颤振稳定性试验研究[J]. 振动与冲击, 2006, 25(6):54-58.
CHEN Zheng-qing, NIU Hua-wei, LIU Zhi-wen. Experimental study on flutter stability of parallel box-girder bridges [J]. Journal of Vibration and Shock, 2006, 25(6): 54-58.
[2] 陈政清, 刘小兵, 刘志文. 双幅桥面桥梁三分力系数的气动干扰效应研究[J]. 工程力学, 2008, 25(7):87-93.
CHEN Zheng-qing, LIU Xiao-bing, LIU Zhi-wen, Study of aerodynamic interference effects on aerodynamic coefficients of twin-deck bridges [J]. 2008, 25(7):87-93.
[3] 刘志文, 陈政清. 串列双幅典型断面三分力系数气动干扰效应[J]. 振动与冲击, 2015, 34(5):6-13.
LIU Zhi-wen, CHEN Zheng-qing. Aerodynamic interference effects on aerostatic coefficients of typical sections in tandem arrangement [J]. Journal of Vibration and Shock, 2015,34(5): 6-13.
[4] 刘志文, 吕建国, 刘小兵,等. 串列双幅断面颤振稳定性气动干扰试验研究[J]. 振动工程学报, 2016, 29(3):403-409.
LIU Zhi-wen, LV Jian-guo, LIU Xiao-bing, et al. Experimental investigation of Aerodynamic interference Effects on flutter stability of cylinders in Tandem arrangement [J]. Journal of Vibration Engineering , 2016, 29(3):403-409.
[5] 刘志文, 陈政清, 栗小祜,等. 串列双流线型断面涡激振动气动干扰试验[J]. 中国公路学报, 2011, 24(3):51-57.
LIU Zhi-wen, CHEN Zheng-qing, LI Xiao-hu, et.al. Aerodynamic interference tests on vortex induced vibration of two streamline cylinders in tandem [J]. China Journal of Highway and Transport, 2011, 24(3): 51-57.
[6] 刘志文, 刘小兵, 陈政清,等. 均匀流场串列双Π型断面涡激振动气动干扰试验研究[J]. 工程力学, 2011, 28(12):199-205.
LIU Zhi-wen, LIU Xiao-bing, CHEN Zheng-qing, et al. Experimental investigation of aerodynamic interference effects on VIV of two Π-shaped cylinders in tandem in smooth flow [J]. Engineering Mechanics, 2011, 28(12): 199-205.
[7] 刘志文, 栗小祜, 陈政清. 均匀流场串列双矩形断面涡激振动气动干扰试验[J]. 中国公路学报, 2010, 23(5):44-50.
LIU Zhi-wen, LI Xiao-hu, CHEN Zheng-qing. Experimental of aerodynamic interference effects on vortex-induced vibration of two rectangular cylinders in tandem in smooth flow field [J]. China Journal of Highway and Transport, 2010, 23(5):44-50.
[8] 刘小兵, 陈政清, 刘志文,等. 均匀风场中串列双矩形断面气动力干扰的数值研究[J]. 振动与冲击, 2008, 27(12):83-87.
LIU Xiao-bing, CHEN Zheng-qing, LIU Zhi-wen, et al. Numerical study on interference of aerodynamic force on two rectangular sections with tandem arrangement in uniform wind field [J]. Journal of vibration and shock, 2008, 27(12): 83-87.
[9] 刘小兵, 杨群, 刘志文. 气动干扰对串列双幅类流线形断面颤振的影响[J]. 振动与冲击, 2014, 33(8):161-164.
LIU Xiao-bing, YANG Qun, LIU Zhi-wen. Effects of aerodynamic interference on flutter of twin streamline-liked sections in tandem [J]. Journal of vibration and shock, 2014, 33(8):161-164.
[10] 刘小兵, 刘志文, 陈政清. 双幅桥面桥梁主梁断面的气动选型[J]. 振动与冲击, 2009, 28(8):94-98.
LIU Xiao-bing, LIU Zhi-wen, CHEN Zheng-qing. Aerodynamic optimization of twin deck bridge girder’s cross section [J] Journal of vibration and shock, 2009, 28(8): 94-98.
[11] 周奇, 朱乐东, 任鹏杰,等. 气动干扰对平行双幅断面气动导纳影响研究[J]. 振动与冲击, 2014, 33(14):125-131.
ZHOU Qi, ZHU Le-dong, REN Peng-jie, et al. Aerodynamic interfere effect on the aerodynamic admittance of parallel double girders [J]. Journal of Vibration and Shock, 2014, 33(14): 125-131.
[12] 周锐, 杨詠昕, 葛耀君,等. 平行双幅桥梁的颤振控制试验研究[J]. 振动与冲击, 2014, 33(12):126-132.
ZHOU Rui, YANG Yong-xin, GE Yao-jun, et al. Tests for flutter control of a separate twin-bridge [J]. Journal of Vibration and Shock, 2014, 33(12); 126-132.
[13] 朱乐东, 周奇, 郭震山,等. 箱形双幅桥气动干扰效应对颤振和涡振的影响[J]. 同济大学学报(自然科学版), 2010, 38(5):632-638.
ZHU Le-dong, ZHOU Qi, GUO Zhen-shan, et al. Aerodynamic interference effects on flutter and vortex-excited resonance of bridges with twin-separate parallel box decks [J]. Journal of Tongji University: Natural Science, 2010, 38(5): 632-638.
[14] 郭震山, 孟晓亮, 周奇,等. 既有桥梁对邻近新建桥梁三分力系数的气动干扰效应[J]. 工程力学, 2010, 27(9):181-186.
GUO Zhen-shan, MENG Xiao-liang, ZHOU Qi, et al. Aerodynamic interference effects of an existed bridge on aerodynamic coefficients of an adjacent new bridge [J]. Engineering Mechanics, 2010, 27(9): 181-186.
[15] 倪振华, 江棹荣, 谢壮宁,等. 本征正交分解技术及其在预测屋盖风压场中的应用[J]. 振动工程学报, 2007, 20(1):1-8.
NI Zhen-hua, JIANG Zhao-rong, XIE Zhuang-ning, Intrinsic orthogonal decomposition technique and its application in predicting wind pressure field of roof [J]. Journal of Vibration Engineering, 2007, 20(1):1-8.
[16] 江棹荣, 倪振华, 谢壮宁. 本征正交分解技术在屋盖风压场重建与预测中的应用[J]. 应用力学学报, 2007, 24(4):592-598.
JIANG Zhao-rong, NI Zhen-hua, XIE Zhuang-ning. Reconstruction and prediction of wind pressure field on roof [J]. Chinese Journal of Applied Mechanics, 2007, 24(4):592-598.
[17] 李元齐, 沈祖炎. 本征正交分解法在曲面模型风场重构中的应用[J]. 同济大学学报(自然科学版), 2006, 34(1):22-26.
LI Yuan-qi, SHEN Zu-yan. Application of the proper orthogonal decomposition method to wind field reconstruction of models with curved surfaces [J]. Journal of Tongji University: Natural Science, 2006, 34(1):22.
[18] 周志勇, 杨立坤, 葛耀君. 弹性悬挂弯扭耦合颤振模型表面压力分布的时空特性及颤振机理分析[J]. 空气动力学学报, 2011, 29(5):619-627.
ZHOU Zhi-yong, YANG Li-kun, GE Yao-jun. Analysis on the flutter mechanism and the characteristic of the surface pressure for the flexible suspension rigid model [J]. Acta Aerodynamica Sinica, 2011, 29(5): 619-627.
[19] 胡传新, 杨立坤, 周志勇. 动态测压与POD方法相结合对桥梁涡振的分析[J]. 力学季刊, 2013, 34(4):591-598.
HU Chuan-xin, YANG Li-kun, ZHOU Zhi-yong. Research on vortex vibration of bridge based on POD and dynamic pressure measurement [J]. Chinese Quarterly of Mechanics, 2013, 34(4):591-598.
[20] Kikuchi H, Tamura Y, Ueda H, et al. Dynamic wind pressures acting on a tall building model — proper orthogonal decomposition [J]. Journal of Wind Engineering & Industrial Aerodynamics, 1997, s 69–71(97):631-646.
[21] Tamura Y, Ueda H, Kikuchi H, et al. Proper orthogonal decomposition study of approach wind-building pressure correlation [J]. Journal of Wind Engineering & Industrial Aerodynamics, 1997, 72(1):421-431.
[22] Bienkiewicz B, Tamura Y, Ham H J, et al. Proper orthogonal decomposition and reconstruction of multi-channel roof pressure [J]. Journal of Wind Engineering & Industrial Aerodynamics, 1995, s 54–55(2):369-381.
[23] 杨立坤. POD与RVM相结合对桥梁涡振颤振的探讨[D]. 上海:同济大学, 2009.
YANG Li-kun, Discussion about vortex vibration and flutter of bridge based on POD and RVM [D]. Shanghai: Tongji University, 2009 (in Chinese)
[24] 钱帮虎. 节段模型风振全过程压力分布测试及颤振机理研究[D]. 上海:同济大学, 2012.
QIAN Bang-hu. Full process pressure distribution test of section model wind-induced vibration and research of flutter mechanism [D]: Shanghai: Tongji University, 2012.
[25] 张军锋, 葛耀君, 任鹏杰,等. 均值对随机场POD分解影响机理[J]. 振动与冲击, 2012, 31(13):46-52.
ZHANG Jun-feng, GE Yao-jun, REN Peng-jie, et al. Influence mechanism of mean values on the application of POD for random fields [J]. Journal of Vibration and Shock, 2012, 31(13): 46-52.
[26] 刘小兵. 大跨度双幅桥面桥梁气动干扰研究[D]. 湖南：湖南大学, 2011.
LIU Xiao-bing. Study on aerodynamic interference of long-span bridges with twin separate parallel decks [D]. Hunan: Hunan university, 2011
[27] Larsen A. Advances in aeroelastic analyses of suspension and cable-stayed bridges[J]. Journal of Wind Engineering and Industrial Aerodynamics, 1998, 74-76(98): 73-90.
[28] Schewe G. Reynolds-number-effects in flow around a rectangular cylinder with aspect ratio 1: 5 [J]. Journal of Fluids and Structures, 2013, 39(5): 15-26.
[29] Schewe G. Influence of the Reynolds-Number on Flow Induced Vibrations of Generic Bridge Sections[C]//Proceedings of the International Conference on Bridges. SECON HDGK, 2006: 351-358.
[30] Mannini C, Weinman K, Soda A, et al. Three-dimensional numerical simulation of flow around a 1: 5 rectangular cylinder[C]//Proceedings of the 5th European and African Conference on Wind Engineering, Florence, Italy. 2009.
[31] 郭增伟, 赵林, 葛耀君,等. 基于桥梁断面压力分布统计特性的抑流板抑制涡振机理研究[J]. 振动与冲击, 2012, 31(7):89-94.
GUO Zeng-wei, ZHAO Lin, GE Yao-jun, et al. Mechanism analysis for vortex-induced vibration reduction of a flat streamlined steel box-shaped girder with airflow-suppressing board based on statistical property of surface pressure [J]. Journal of Vibration and Shock, 2012, 31(7): 89-94.
[32] 祝志文. 基于二维RANS模型计算扁平钢箱梁漩涡脱落的可行性分析[J]. 中国公路学报, 2015, 28(6): 24-33.
ZHU Zhi-wen. Feasibility investigation on Prediction of vortex shedding of flat box girder based on 2D RANS model [J]. China Journal of Highway and Transport, 2015, 28(6): 24-33.