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首页> 外文期刊>Journal of Fluids and Structures >Aeroelastic instability of a composite wing with a powered-engine
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Aeroelastic instability of a composite wing with a powered-engine

机译：动力发动机复合机翼的气动弹性不稳定性

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摘要

In this paper the aeroelastic instability of a wing, modeled as an orthotropic composite beam with a concentrated mass subjected to the engine thrust, is investigated in an incompressible flow. The wing is modeled using classical beam theory. Wagner function is used to model the unsteady aerodynamic loads, while the engine thrust is modeled as a follower force and a concentrated mass is used to model the engine mass. The numerical results of the developed generic and simple model are compared with published results, and an excellent agreement is observed. The fiber orientation, engine thrust, mass magnitude and its location are reported to have had significant effects on the aeroelastic instability boundaries.
机译：在本文中，以不可压缩的流动研究了机翼的气动弹性失稳，其模型为正交异性复合材料梁，其集中质量受到发动机推力的影响。机翼采用经典射束理论建模。瓦格纳函数用于对非恒定空气动力载荷进行建模，而发动机推力则作为从动力进行建模，而集中质量用于对发动机质量进行建模。将开发的通用模型和简单模型的数值结果与已发布的结果进行比较，并观察到了极好的一致性。据报道，纤维取向，发动机推力，质量大小及其位置对气动弹性不稳定性边界具有显着影响。

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