基于当地流活塞理论的翼-身组合体飞行器大攻角超声速颤振分析

Kongqi Donglixue Xuebao/Acta Aerodynamica Sinica(2012)

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Abstract
基于当地流活塞理论推导了旋成体机身和任意外形三维机翼非定常气动力计算公式,结合CFD数值仿真,将当地流活塞理论推广用于复杂外形飞行器全机大攻角超声速颤振计算。以翼-身组合体面对称外形飞行器为例,进行带攻角的超声速颤振计算,并与非定常气动力采用CFD全数值仿真求解得到的颤振计算结果比较,验证了本文方法的正确性和效率。
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Key words
local piston theory,CFD,high attack angle,supersonic,supersonic flutter
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