The aerodynamiccomputation and the design of optimized wing sails for aircraft with rectangular wing whose aspect ratio equals 8. 6 were completed.
以展弦比为8.6的机翼加装帆片为例，进行了气动力计算并作了帆片优化设计。
2
Through the computation and analysis of unsteady aerodynamic forces loading on the cascades and aerodynamic work, the probability of blade flutter is predicted through the energy method.
通过对叶片表面非定常气动力及其所做非定常气动功的计算分析，采用能量法对叶片颤振与否进行预估判断。
3
An iterative computation method for nonlinear forced vibration equation on helicopter blade aerodynamic load is given.