The dynamic derivative is negative or positive connect with the direction of the unsteady moment character is analyzed. Results show that the dynamic stability was affected by the angle of support.
最后,以模型动态风洞试验结果为依据,分析了模型的支撑迎角和振动频率对模型非定常滚转力矩和偏航力矩的影响,以及动导数的正负值与非定常力矩系数迟滞环转动方向之间的关系,结果表明,模型的支撑角对非定常滚转力矩和偏航力矩的动稳定性有很大影响。
参考来源 - 飞机大振幅动态实验及其非定常气动特性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Large amplitude test, Unsteady aerodynamic, Wall influence, dynamic derivative simulating, Mathematic model, Fuzzy logic, Aerodynamicmodeling, Flight simulating.
大振幅试验,非定常空气动力,空气动力模型,洞壁干扰,动导数仿真,数学模型,模糊逻辑,飞行仿真。
Accordding to the relationship between derivative and Lie derivative, an new zero dynamic algorithm is proposed.
并根据李导数和导数的关系提出了一种实用的零动态算法。
In this paper, an inverse eigen derivative method (IEDM) for dynamic modification of mechanical structures is formulated for improving the eigen derivative method (EDM).
本文针对机械结构动力修改的特征导数法(EDM)所存在的问题,提出逆特征导数法(IEDM)。
应用推荐