带集中非线性的机翼气动弹性问题研究进展

带集中非线性环节的机翼非线性气动弹性问题是飞行器气动弹性研究领域的热点和难点。经过近几十年来的不断发展，这类机翼非线性气动弹性问题的研究已经取得了长足的进步，同时也面临着新的挑战。鉴于此，综述了近年来带集中非线性环节的机翼非线性气动弹性问题的研究进展，阐述了带集中非线性的机翼气动弹性分析的建模方法、分析方法及非线性气动弹性稳定性和响应行为的规律，并讨论和总结了相关的研究成果，对今后机翼非线性气动弹性问题的分析方法和研究内容提出了展望。

Advance in the study on wing aeroelasticity with concentrated nonlinearity

The nonlinear aeroelastic problem of wing with concentrated structural nonlinearity has become one of the hottest and also most challenging topics in the field of aircraft aeroelasticity. In recent decades, great progress has been made for wing nonlinear aeroelasticity, meanwhile new challenges have also emerged. In this paper, researches activities on wing nonlinear aeroelastic characteristics are reviewed. The key problems of the concentrated nonlinear aeroelasticity of wing are described, including the modeling for wing aeroelastic system with concentrated nonlinearity, analysis approaches and nonlinear aeroelastic behaviors. Moreover, the existing achievements of wing nonlinear aeroelasticity studies are summarized and discussed, the prospects of research topics and approaches of wing nonlinear aeroelasticity are proposed.