第33卷第l期 空气动力学学报 Vo1.33,No.1 Feb.,2015 2015年02月 ACTA AERoDYNAMICA SINICA 文章编号:0258-1825(2015)O1-0134.08 Afterbody aerodynamic optimization design of transport airplane considering wing wake flow Bai Junqiang ,Sun Zhiwei ,D0ng Jianh0ng ,Huang Jiangta0 (1.Northwestern Polytechnical University,Xi’an 710072.China: 2.AVIC The First Aircraft Institue,Xi’an 710089,China) Abstract:The aerodynamic optimization design of typical transport afterbody considering the influence of the wing wake flow is studied.An optimization framework is established for the aircraft configuration and used for afterbody optimization at crui— sing status.The objective of this framework is to optimize the afterbody considering the influence from other parts of aircraft and the engineering constraints simultaneously.The spatial property of the afterbody in spatial control frame is established by implementing the free form deformation(FFD)approach.The NURBS spline is chosen as the basis function,which can represent the prope ̄y of spatial control element and is suitable for afterbody geometry.Infinite interpolation deforming grid technique is adopted to update spatial grid with high eficifency and mesh quality.The modiied Krifging surrogate model and quantum particle swarm algorithm are included in the optimization system to increase eficifency and ability to find global op— timal solution.In order to reduce drag at cruising status,upswept angle and cross section shape are optimized as the main afterbody configuration parameters.The result of the case shows that the aerodynamic performance of the transport’s body is improved after the optimization. Keywords:muhidiseiplinary design optimization;transport’s aflerhody;FFD technique;aerodynamic optimization;modi— led Krifging surrogate model;infinite interpolation;quantum particle swarm algorithm 中图分类号:V211.4 文献标识码:A doi:10.7638/kqdlxxb一2013.0081 考虑机翼尾流影响的运输类飞机后体气动外形优化设计 白俊强 ,孙智伟 ,董建鸿 ,黄江涛 (1.西北工业大学,陕西西安710072;2.中国航空工业集团第一飞机设计研究院,陕西西安710089) 摘 要:在某典型运输机翼身组合体的构型上,进行了考虑机翼尾流影响的机身后体气动外形 优化设计研究。基于翼身组合体构型建立了考虑尾流影响和部分工程约束的优化设计系统,并对 后体构型在巡航状态下进行了优化设计。以比较适合描述后体变形的NURBS样条基函数为空间 控制体属性引入FFD自由变形技术,通过在FFD控制框架对该运输机后体进行了空间属性构建。 采用无限差值动网格技术提高空间网格的更新效率并保证网格质量。利用改进Kriging代理模型、 量子粒子群优化算法提高优化效率和全局寻优能力。为减小巡航阻力,对某运输机后体的上翘角、 截面形状等参数进行了优化设计,优化结果显示,设计后的机身气动特性明显提高。 关键词:多学科优化设计;运输类飞机;FFD技术;气动外形优化;Kriging代理模型;无限差 值;量子粒子群 收稿日期:2013-08-06; 修订日期:2013—10—28 作者简介:Bai Junqiang(197l・),Male,Professor,Flight Vehicle Design 通讯作者:Sun Zhiwei(1984一),Male,Ph.D.Canditate,Flight Vehicle Design.E—mail:star13521@163.tom 引用格式:白俊强,孙智伟,董建鸿,等.考虑机翼尾流影响的运输类飞机后体气动外形优化设计(英文)[J].空气动力学学报,2015,33 (1):134-141.doi:10.7638/kqdlxxb一2013.0081. Bai J Q,Sun ZW,Dong JH,et a1.Aflerbody aerodynamic optimization design of transport airplane considering wing wake flowI JI.Acta Aerodynamica Sinica,2015.33(1):134-141. 第1期 Bai Junqiang et al:Aflerbody aerodynamic optimization design of transport airplane considering wing wake flow 141 [3] Huang Y,Ghia U,Osswald G A,et a1.Analysis and numerical simulation of 3一D flow past axisymmetric afterbody using Navier— Stokes equations『R 1.AIAA 1993-0683. [4] Zhang Binqian,Wang Yuanyuan Duan Zhuoyi,et a1.Design meth— od for large upswept afterbody of transport aircraft[J].Acta Aero- nautiea et Astronautica Sinica,2010,31(10):1933-1939.(in Chinese) 张彬乾,王元元,段卓毅,等.大上翘机身后体设计方法[J]. 航空学报,2010,31(10):1933-1939. [5] Kong Fanmei,Hua Jun.Effects of geometry parameters and lfow pa- rameters on drag coefficient of upswept afterbodies[J].Journal of Beijing University of Aeronautics and Astronautics,2003,29(1): 3942. [6] Kolesar C E,May F.An after drag prediction technique for military airlifters r R].AIAA 1983—1787. [7] Thomas J Otahal,et a1.An investigation of two dimensional CAD generated models with body decoupled cartesian grids for DSMC [c]//34 AIAA Thermophysies Conference,2000:19—22. [8] Zhu Xinxiong.The technical of free curve and surface sculpt[M]. Beijing:Science Press,2000.(in Chinese) 朱雄心.自由曲线曲面造型技术[M].北京:科学出版社, 2000. [9] Sederberg T W,Parry S R.Freeform deformation of solid geometric models[J].Computer Graphics,19886,22(4):151.160. [1O]Smith R E.Transfinite interpolation(TFI)generation systems[M]. eds.N.P.Weatheril1.J.F.Thompson.B.K.Soni.Handbook of Grid Generation,CRC Press,1999. r 1 1]Menter F R.Two.equation eddy.viscosity turbulence models for en- gineering applications[J].AIAA Journal,1994,32(8):269.289. [12]Chen Peng,Li Jian,Guan T .The optimization of parameters of kriging correlation model based on particle swarm optimization[J]. Microelectronies&Computer,2009,26(4):178-181.(in Chi- nese) 陈鹏,李剑,管涛.基于PSO的Kriging相关模型参数优化[J]. 微电子学与计算机,2009,26(4):178.181. [13]Shinkyu Jeong,Mitsuhiro Murayama,Kazuomi Yamamoto.Efficient optimization design method using Kriging model[J].Journal of AIAA,2005,42(2):413-420. [14]Sun J,Feng B,Xu W B.Particle swarm optimization with particles having quantum behavior[C]//Proc of the IEEE Congress on Evo- lutionary Computation,2004:325—33 1. [15]Knill D L,Giunta A A.Response surface models combining linear and euler aerodynamics for supersonic transport design[J].Journal ofAircraft,1999,36(1):75-86.