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Analysis on Hypersonic Unsteady Aerodynamics and Dynamic Performance of a Lifting Body Hypersonic Vehicle

机译:升降式高超声速飞行器高超声速非定常空气动力学和动力性能分析

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The purpose of this paper is to simulate the unsteady aerodynamics andrnflight dynamic of an lifting body hypersonic vehicle at high-altitude and highspeedrnconditions. The flow simulation uses an advanced structured time-accuraternNavier-Stokes equation. Dual time-step approach in conjunction with LU-SGSrnimplicit method was utilized. Roe scheme which was in combine with stiff movingrngrid generation technology was used for spatial discretization. The CFD/RBDrncoupling algorithms setup the foundation for vehicle dynamic aerodynamicrnanalysis and virtual flight simulation. From the aerodynamic and flight dynamicrnresults, the dynamic stability of the vehicle has been studied.
机译:本文的目的是模拟高海拔和高速条件下的升降式高超声速飞行器的非定常空气动力学和飞行动力学。流动模拟使用先进的结构化时间精确Navier-Stokes方程。结合LU-SGSrnimplicit方法使用双重时间步方法。结合刚性运动生成技术的Roe方案用于空间离散化。 CFD / RBDrn耦合算法为车辆动态空气动力学分析和虚拟飞行仿真奠定了基础。从空气动力学和飞行动力学结果,研究了车辆的动态稳定性。

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