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Comparison of static and dynamic fluid-structure interaction solutions in the case of a highly flexible modern transport aircraft wing

机译：高度灵活的现代运输机翼机体静态和动态流固耦合解决方案的比较

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摘要

This paper describes the computational work performed by five of the fifteen partners in the Brite-Euram project UNSI, for the prediction of static aeroelastic configurations and dynamic flutter response at transonic conditions, using advanced time-domain fluid-structure coupling methods. The aerodynamic models, mechanical models, and coupling strategies implemented in the different solvers are presented. A code to code validation of the fluid-structure coupled solvers has been achieved in the case of the highly flexible MDO wing. The coupled codes have each been used first for the computation of steady state flow and static deformations at different flight conditions. The investigation of flutter has been carried out for off-design, heavy-cruise flight conditions, using time-consistent numerical simulations. Dynamic responses have been recorded and compared for stable and flutter conditions.
机译：本文介绍了Brite-Euram项目UNSI中15个合作伙伴中的15个合作伙伴进行的计算工作，以使用先进的时域流固耦合方法预测跨音速条件下的静态气动弹性构型和动态颤动响应。介绍了在不同求解器中实现的空气动力学模型，力学模型和耦合策略。在高度灵活的MDO机翼的情况下，已经实现了对流固耦合求解器的验证进行编码的代码。首先将耦合代码分别用于计算不同飞行条件下的稳态流量和静态变形。已经使用时间一致的数值模拟对偏离设计，重巡航的飞行条件进行了颤振研究。记录了动态响应，并比较了稳定和颤动条件。

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