supported by the National Natural Sciences Foundation of China(Grant Nos.91116005 and 10902006)
The modeling method and identified method adapted to multi-degree-of-freedom structures with strucrural nonlinearities are established.The component mode synthesis method is used to establish the nonlinear governing e...
supported by the National Natural Science Foundation of China (Grant Nos. 91116005,10902006)
Aircraft are inevitably affected by gust during flight,which disturbs the regular operations of pilots and worsens the ride quality.In more grievous cases,flight mission cannot be completed and the flight safety may b...
supported by the National Natural Science Foundation of China (Grant Nos. 91116005, 10902006)
Shape sensitivities of flutter characteristics can predict the moving of flutter boundary as wing shape varies. The nonlinear relationship between mass, stiffness and damping matrices of aeroelastic systems and shape ...
supported by the National Natural Science Foundation of China (Grant Nos. 90716006,10902006)
Missiles may be damaged when aeroservoelastic problem occurs,which is caused by the interaction of structure flexibility and flight control system.Because of the limit of wind tunnel test condition,numerical methods a...
supported by the National Natural Science Foundation of China (Grant Nos. 90716006,10902006);the Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20091102110015)
A high-altitude long-endurance aircraft with high-aspect-ratio wing usually generates large deformation,which brings the geometric nonlinear aeroelastic problems.In recent decades,it has become a key focus of the inte...
supported by the National Natural Science Foundation of China (Grant No.10902006);the Doctoral Program Foundation of Institutions of Higher Education of China (Grant No.20091102110015)
Aeroelastic problems are encountered at the preliminary design stage of flexible wings for large aircraft. A three-dimensional finite element model of a high-aspect-ratio wing was built, and the influence of the front...