A 3D digital model of a small Unmanned Aerial Vehicle (UAV) is obtained by using the method of scanning reverse modeling......

　　Optically clear polymers have been used extensively as a structural material in aerospace applications,such as aircr......

　　Bird impact seriously affects the flight safety of the aircraft,and therefore bird impact resistance of the engine m......

　　The composite honeycomb sandwich panel with two different sizes of 660mm×660mm×10.5mm and 660mm×660mm×5.5mm was ......

建立了鸟撞蜂窝夹芯结构雷达罩的有限元分析模型，选取具有代表性的四类不同重量和大小遥鸟及多种撞击速度，运用大型非线性动力学有限......