5/16/2018 圆上活文大华 Geometry modeling in aerospace 国上清大学 nacelle,etc.- geometry defined prim direction 外设用 及流叶中可华北设D SIMULATION-BASED DESIGN OPTIMIZATION 藏儿：始设用 General procedures for aircraft geometry definition oorornenin ong Airfoil Parameterization-revisit 国上活美大坐 Forward Fuselage and Wing-body fairing Parameterization 园上活道大整 ·Two examples Y V B-Splime oernan enn ng 图上洋大峰 Wingbody/nacelle/pylon integration上音t大￥ Airframe/Engine Installation 考虑因素 ·发动机系统 聘应面方法 15个样本点 机结构 。吊挂结构 一4个位置参数 ·起落架 机网3nK位置 全局寻优方法 ·系统营路布置 -9个控制面 ·献振 一每个创面14个控制点 几何问题 参数化方法 3个控制面 -10个参数 rslty-Dr.V(enbin Song 45/16/2018 4 © Shanghai Jiao Tong University – Dr. Wenbin Song School of Aeronautics and Astronautics SIMULATION-BASED DESIGN OPTIMIZATION 19 © Shanghai Jiao Tong University – Dr. Wenbin Song School of Aeronautics and Astronautics Geometry modeling in aerospace • Wing Geometry: airfoils, wing, rotor, propeller, tails, canard, pylon, nacelle, etc. – geometry defined primarily along the streamwise direction • Fuselage: fuselage section, revolving bodies, duct, pipe, missile body, nacelle, etc. – geometry defined by cross-section shape 20 General procedures for aircraft geometry definition © Shanghai Jiao Tong University – Dr. Wenbin Song School of Aeronautics and Astronautics Airfoil Parameterization - revisit © Shanghai Jiao Tong University – Dr. Wenbin Song School of Aeronautics and Astronautics Forward Fuselage and Wing-body fairing Parameterization • Two examples 22 机头 机翼 平尾 垂尾 小翼 翼身整流罩 滑轨整流罩 机身 增升装置 短舱、挂架 © Shanghai Jiao Tong University – Dr. Wenbin Song School of Aeronautics and Astronautics Airframe/Engine Installation 考虑因素 • 发动机系统 • 机翼结构 • 吊挂结构 • 起落架 • 轮胎爆破 • 系统管路布置 • 颤振 短舱机身干扰边界线 机翼KinK位置 短舱离地高度 侧风起降边界线 地面线 几何问题 通过建模 形成约束 © Shanghai Jiao Tong University – Dr. Wenbin Song School of Aeronautics and Astronautics • 参数化方法 − 3个控制剖面 − 10个参数 • 全局寻优方法 − 9个控制剖面 − 每个剖面14个控制点 • 响应面方法 − 15个样本点 − 4个位置参数 Wingbody/nacelle/pylon integration 工程实用的 集成的一体化 气动设计方法