飞行器动态稳定性参数的数值计算方法

A Numerical Method for Evaluating Aerodynamic Stability Parameters of Vehicles

本文提出了一种确定飞行器动态稳定性参数的数值方法。本文首先研究了气动力与飞行器运动状态参数之间的关系，在此基础上给出了稳定性参数的定义。根据这一定义并结合计算流体力学和参数辨识方法，构造了计算飞行器稳定性参数的完整数值方法，数值实验表明，该方法具有通用性强和准确度较高的优点。

A numerical. method for evaluating vehicles'stability parameters is proposed in this paper.The function model between aerodynamic forces and motion variables of vehicles is studied and a definition of stability .parameters is given. The stability parameters are evaluated through unsteady flow computation and parameter identification technique. Numerical results indicate that the present method is reliable and a ccurate.