The influence of aerodynamic force matrix on critical flutter state with aerodynamic derivatives of four different sections was studied.

采用理想平板的气动导数研究了各气动导数对颤振临界状态的影响。

Aerodynamic force and moment acting on train traveling on cut are the least.

在路堑上所受到的气动力相对最小.

The method is capable of computing the varying aerodynamic force or velocity field in time domain over wings with arbitrary motion.

但在实际问题中，常需要了解亚音速机翼作完全非定常运动时气动力的变化规律，目前能作这种计算的方法还不多。

The base principal in controlling method is madding aerodynamic force acting an transmission line changed into approximate balance state.

此方法的基本原理是：使作用在输电线上的气动力近似地成为平衡力系，从而控制输电线舞动。