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.
结合面法向刚度大小的参数对纵向振动模态的影响比对弯曲、扭振模态的影响显著；
The parameters reflecting normal stiffness have more obvious effects on extensional vibration mode than those on flexural mode and torsion mode.
根据激振方式的不同，瑞雷面波勘探分为稳态法和瞬态法两种。
Rayleigh wave exploration is divided into steady state way and transient state way according to the differ of explode mode.
实际的悬索桥颤振可靠度应该采用基于有限元法的改进响应面法进行计算。
The flutter reliability could be more accurately analyzed by using the proposed method based on a deterministic finite element method in which the limit state function is implicitly represented.
实际的悬索桥颤振可靠度应该采用基于有限元法的改进响应面法进行计算。
The flutter reliability could be more accurately analyzed by using the proposed method based on a deterministic finite element method in which the limit state function is implicitly represented.
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