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The Effects of Aeroelastic Tailoring on Flight Dynamic Stability

机译：气动弹性剪裁对飞行动力稳定性的影响

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This paper presents a unified framework for aeroelastic tailoring of free-flying aircraft with composite wings. A continuous-time state-space model is used to describe the flow. The 3D composite wing structures is condensed into a Timoshenko beam model by means of a cross-sectional modeler. The aerodynamic and structural models are closely coupled with the six degrees of freedom flight dynamic equations of motion in the state-space formulation. This paper refers to the clamped-wing aeroelastic tailoring as classic aeroelastic tailoring. Hence, the term aeroelastic tailoring will point at the novel approach that includes free-flying aeroelastic phenomena into the optimization process. The emphasis of the present paper is to show the effects of aeroelastic tailoring on body-freedom flutter and flight dynamic stability at large. The results of this paper will be used in the further development of aeroelastic tailoring practices for composite aircraft design.
机译：本文提出了具有复合材料机翼的自由飞行飞机的气动弹性剪裁的统一框架。连续时间状态空间模型用于描述流。通过横截面建模器将3D复合机翼结构压缩为Timoshenko梁模型。空气动力学和结构模型与状态空间公式中的六个自由度飞行动力学动力学方程紧密相关。本文将夹翼气动弹性剪裁称为经典气动弹性剪裁。因此，术语“气动弹性剪裁”将指向将自由飞行的气动弹性现象纳入优化过程的新颖方法。本文的重点是表明气动弹性剪裁对人体自由颤动和飞行动态稳定性的影响。本文的结果将用于复合飞机设计的气动弹性剪裁实践的进一步发展。

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