折叠翼飞行器气动弹性变体飞行仿真平台

Aeroelastic morphing flight simulation platform for a folding wing aircraft

折叠翼飞行器的变体过程伴随质量分布、刚度分布及气动载荷分布的大幅动态变化,是一个高度复杂的动力学过程。为实现该过程各种动力学问题的有效分析,基于共享内存技术开发了一套高性能的耦合计算程序,并在此基础上整合了Adams多体动力学计算软件、非定常气动力计算程序及飞行控制技术,搭建了折叠翼的气动弹性变体飞行仿真平台。基于该平台,对折叠翼进行了气动弹性分析和飞行变体过程仿真,验证了平台强大的计算和分析能力。

The distribution of mass,stiffness,and aerodynamic load all significantly alter during the folding wing’s deformation process,which is a highly complex dynamic process.This paper develops a high-performance coupled computing program based on shared memory technology to realize the effective analysis of the dynamic process.Based on this program,it integrates flight control technology,unsteady aerodynamic calculation software,and multi-body dynamics calculation software to build an aeroelastic morphing flight simulation platform.Finally,the powerful computing and analysis capabilities of the platform are demonstrated through the simulation of aeroelastic response and flight-folding process for a folding wing aircraft.