| 1. | Energy norm for evaluating anti seismic dynamic stability of structure
评价结构抗震动稳定性的能量测度 |
| 2. | Study on aerodynamic static dynamic stability correlation and viscous lag time
动稳定性的相关性及粘性滞后时间的研究 |
| 3. | Stability of the coupled rotor - body system has long been one of basic topics of helicopter dynamics
直升机旋翼/机体耦合动稳定性是直升机动力学设计的基本问题之一。 |
| 4. | The effect of non - parallelism of stability is studied by comparing the results of parallel and nonparallel flow
通过平行流与非平行流的结果比较,研究非平行性对流动稳定性的作用。 |
| 5. | Eric m queen , ben raiszadeh . mars smart lander parachute simulation model . aiaa paper 2002 - 4616 , 2002
程文科.一般降落伞-载荷系统动力学及其动稳定性分析.长沙:国防科技大学博士论文, 2000 |
| 6. | The effect of the pressure gradient on critical reynolds number is also displayed and the influence rule of the different pressure fields on the flow stability is exploited
还研究了压力梯度对临界雷诺数的影响,探讨了不同压力场对流动稳定性作用的规律性。 |
| 7. | As one of the basic problem of helicopter dynamics , the aeromechanical stability of the coupled rotor - body system has been paid a lot of attention
直升机旋翼/机体耦合系统的气动机械动稳定性问题是直升机动力学的基本问题之一,长期以来一直受到人们的普遍关注。 |
| 8. | An analytical model is developed for the dynamic stability analysis of helicopter rotor / fuselage coupled systems with general connections or inter - blade connections for the nonlinear elastomeric lag dampers
摘要建立了粘弹减摆器不同连接形式时的旋翼机体耦合动稳定性分析模型。 |
| 9. | Diagrams of velocity vectors and streamlines display waveform and amplitude properties , showing the effect of fibres on enhancing the flow stability . the computational results are tested
Piv测量得到流场速度矢量图及流线图，扰动波幅与波形特征说明， re数一定时流动稳定性随h值增大而提高。 |
| 10. | To improve the stability , one common method is to install dampers at the roots of blades . however , commonly used dampers can hardly meet different demands when helicopter working in different conditions
为提高旋翼/机体耦合动稳定性,一般采用在桨叶根部安装减摆器的方法,但目前常用的减摆器很难满足直升机不同工作状态下对摆振器阻尼的不同需求。 |
