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首页> 外文期刊>JSME International Journal. Series B, Fluids and Thermal Engineering >Aeroelastic Analysis of a Wing with Freeplay in the Subsonic/Transonic Regions
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Aeroelastic Analysis of a Wing with Freeplay in the Subsonic/Transonic Regions

机译：亚音速/跨音速区域中具有自由游动的机翼的气动弹性分析

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摘要

An efficient aeroelastic analysis where both aerodynamic and structural nonlinearities are considered is performed. The analysis is based on the computational fluid dynamics (CFD) and computational structural dynamics (CSD) techniques in the time domain. Moving shock wave on the lifting surface, which is the aerodynamic nonlinearity in this study, is taken into account using the transonic small disturbance (TSD) equation. Freeplay, which is the local structural nonlinearity, is considered in the modal coordinate using fictitious mass method. The aeroelastic response results of a wing with freeplay are presented in the subsonic and transonic regions. Also, the effects of an airfoil thickness on the aeroelastic responses are investigated.
机译：进行了有效的气动弹性分析，其中考虑了气动和结构非线性。该分析基于时域中的计算流体动力学（CFD）和计算结构动力学（CSD）技术。使用跨音速小扰动（TSD）方程考虑了在升力表面上移动的冲击波，这是本研究中的空气动力学非线性。使用虚拟质量方法在模态坐标中考虑自由游玩，这是局部结构非线性。在亚音速和跨音速区域显示了具有自由游隙的机翼的气动弹性响应结果。此外，还研究了翼型厚度对气动弹性响应的影响。

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