1) Flexible aircraft modeling
弹性飞机建模
3) elastic aircraft
弹性飞机
1.
Application of the quantitative feedback theory(QFT) to the design of a longitudinal pith-axis flight control system for an elastic aircraft with uncertainty in the dynamic model is presented,the disturbance is also considered.
以某弹性飞机纵向模型为例,考虑模型的不确定性及外部扰动,应用定量反馈理论设计了其俯仰姿态保持系统。
2.
Traditional model reduction algorithms of the elastic aircraft include balanced truncation algorithm,balanced singular perturbation algorithm and so on,but the defect of these algorithms is the reduced models based on these algorithms only suitable for specific frequency domain.
传统的弹性飞机模型降阶算法主要有平衡截断法、平衡奇异摄动法等,但这些算法的缺陷就是得到的降阶模型只适用于特定的频段内。
4) modeling of aircraft
飞机建模
5) airplane target modeling
飞机目标建模
6) aeroelastic modeling
气动弹性建模
1.
In the illustration, aeroelastic modeling and optimization design of wings, tails, and full aircrafts are presented, and both metal and composite materials are taken into account.
应用结果表明:使用作者提出的基于遗传/敏度混合优化方法的现代优化技术,可以很好地解决现代飞机设计各个阶段的气动弹性建模和结构优化问题,达到提高设计效率、提升设计水平的效果。
补充资料:表观弹性模量
分子式:
CAS号:
性质: 在减震橡胶制品中,由于橡胶与金属黏着界面的形状效应,不能仅由形状尺寸和橡胶的弹性模量来决定不同方向的弹簧常数,为此将表观弹性模量Eap定义为:圆柱形:Eap=(3+4.9355S2)G正方形:Eap=(3+6.580S2)G无限长柱:Eap=(4+3.290S2)G式中G为剪切弹性模量,S为形状因子。
CAS号:
性质: 在减震橡胶制品中,由于橡胶与金属黏着界面的形状效应,不能仅由形状尺寸和橡胶的弹性模量来决定不同方向的弹簧常数,为此将表观弹性模量Eap定义为:圆柱形:Eap=(3+4.9355S2)G正方形:Eap=(3+6.580S2)G无限长柱:Eap=(4+3.290S2)G式中G为剪切弹性模量,S为形状因子。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条