在综合考虑了刚体运动自由度和弹性自由度的弹性飞行器运动方程的基础上 ,采用了线性气动力的影响系数形式 ,提出了一套飞行载荷与动态特性分析的方程和方法 ,用于解决飞行力学和气动弹性力学中的静气动弹性发散、配平与结构变形、气动载荷分布、颤振与飞行动态特性等问题。算例表明 ,该方法有效可行 ,且对于大柔性飞行器 ,刚体运动模态与弹性模态之间的耦合是显著的 ,应予以重视。 Based on the equation of motion of the flexible aircraft considering the degree of freedom of body motion and the elastic degree of freedom, a set of equations and methods for the analysis of flight load and dynamic characteristics are proposed to solve the problem of flight Mechanics and aeroelastic mechanics in the dynamic aerodynamic divergence, trim and structural deformation, aerodynamic load distribution, flutter and flight dynamics and other issues. The example shows that this method is effective and feasible, and the coupling between the rigid body and the elastic mode is significant and should be paid attention to.