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机翼-机身-短舱-挂架外形气动优化设计方法

左英桃 傅林 高正红 邵其林 白俊强

左英桃, 傅林, 高正红, 邵其林, 白俊强. 机翼-机身-短舱-挂架外形气动优化设计方法[J]. 航空动力学报, 2013, 28(9): 2009-2015.
引用本文: 左英桃, 傅林, 高正红, 邵其林, 白俊强. 机翼-机身-短舱-挂架外形气动优化设计方法[J]. 航空动力学报, 2013, 28(9): 2009-2015.
ZUO Ying-tao, FU Lin, GAO Zheng-hong, SHAO Qi-lin, BAI Jun-qiang. Aerodynamic optimization design of wing-body-nacelle-pylon configuration[J]. Journal of Aerospace Power, 2013, 28(9): 2009-2015.
Citation: ZUO Ying-tao, FU Lin, GAO Zheng-hong, SHAO Qi-lin, BAI Jun-qiang. Aerodynamic optimization design of wing-body-nacelle-pylon configuration[J]. Journal of Aerospace Power, 2013, 28(9): 2009-2015.

机翼-机身-短舱-挂架外形气动优化设计方法

基金项目: 西北工业大学科技创新基金

Aerodynamic optimization design of wing-body-nacelle-pylon configuration

  • 摘要: 采用基于径向基函数的无限插值方法进行了复杂外形的动网格生成,并针对其存在的可能导致壁面附近出现负体积与网格质量下降的问题,提出对不与物面直接相连的边的位移采用径向基函数插值,对与物面相连的边的位移进行线性插值获得位移量的方法解决该问题.采用无限插值方法建立了一种简单有效的物面相贯线处理方法.利用离散共轭方法计算目标函数梯度,对DLR-F6 机翼-机身-短舱-挂架外形的机翼和短舱进行了几何外形参数化与气动外形优化设计.结果表明:考虑短舱安装方式的优化设计较不考虑短舱安装方式的优化设计可降低大约0.0001的阻力系数.通过全机优化设计,将全机阻力系数降低了0.00153.

     

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出版历程
  • 收稿日期:  2012-09-18
  • 刊出日期:  2013-09-28

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