在进行亚音速气动分析时，应用线化速度势理论计算运载器的气动力系数，而后进行回归分析，得到运载器亚音速飞行时的气动特性模型。

For subsonic aerodynamic analysis, Linearized Velocity Potential Theory is used to evaluate the aerodynamic coefficient, and we can get subsonic aerodynamic model of vehicle by Regression analysis.

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应用空气动力学、工程热力学理论，推导空气弹簧垂向动态特性分析的数学模型，经过试验验证模型的正确性。

Based on the theory of aerodynamics, engineering thermodynamics, the mechanical model for air spring vertical dynamical characteristics analysis is built and proved to be correct by test.

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在颤振特性分析中所需要的广义气动力是根据亚音速非定常升力面理论，采用马蹄涡—振荡压力偶极子格网法计算的。

The generalized aerodynamic force required in analysis is calculated by using horse shoe vortex— vibrational pressure doublet grid method, based on theory of subsonic unsteady lifting plane.

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