| 1. | Analysis of longitudinal and torsion vibration of drillstring
钻柱纵向和扭转振动分析 |
| 2. | Design of ultrasonic torsion vibration reaming device for holes
超声波扭转振动铰孔装置 |
| 3. | Torsion vibration and motion - induced noise of h - field antenna
磁场天线的扭转振动及运动感应噪声研究 |
| 4. | Analysis and calculation of torsion vibration of 3 - d knottiness hooke ' s couping
三维空间多节万向传动轴扭振的分析计算 |
| 5. | Study on the torsion vibration of universal - shaft driving system of high - speed p owercar
高速动力车万向轴传动系统的扭转振动研究 |
| 6. | Engine has two major kinds of vibration : the body vibration and torsion vibration . and the intensity of engine body vibration is the symbol of engine total vibration
内燃机振动的主要类型是整机振动和扭转振动，其中内燃机整机振动强度是内燃机总体振动品质的反映。 |
| 7. | Shear wave splitting was observed by employing torsion vibration shear - wave transducers with broadband , which show that shear wave , whatever it ' s vibration mode may be , can split in anisotropy media
在各向异性介质中，使用宽频带扭转振动横波换能器观测到了横波分裂现象，表明在各向异性介质中无论什么振动方式的横波中都会发生横波分裂。 |
| 8. | This paper studies transverse - torsion vibration of blade and formulates the equation of motion of band saw blades . the solution of this thesis can be the manufacture reference and the original theory base of research of tightening device dynamics analysis of band saw in the future
本文对带锯条横向扭转振动进行了研究，验证了带锯条横向振动方程和扭转振动方程，为进一步研究带锯机的动态特性奠定了初步的理论基础。 |
| 9. | According to the fluctuating property of wind , on the stochastic vibration finite element theory , some calculation formulas of the response , including the along - wind response and the across - wind response , are obtained , the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time . by using the stochastic vibration module of the general finite element program , the paper analyses the performance of the wind resistance more deeply and fully , discussing the influence on the double - tower structure from the diversification of the different component . the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration , so is the effect of several parameters on dynamic displacement , acceleration and wind - induced vibration coefficient
从结构风振的基本理论出发，通过对脉动风功率谱的分析，推导了结构风振响应(顺、横风向)的计算公式，同时提出了双塔结构的扭转振动和动力风荷载计算的思想，在结合通用有限元程序的随机振动模块的情况下，对双塔结构的抗风性能作了深入、全面研究，探讨了双塔结构构件截面的变化对其抗风性能的影响，同时探讨了顺风向风速谱的选取、风速、参与计算的振型数、风与结构耦合作用是否考虑等因素对分析结果的影响，比较了规范风振系数的计算与随机算法结构的异同，并讨论了原因，得出一些有意义的结论。 |
| 10. | According to the relationship between different transmission gears of rotatioft drive system , the system ' s torsion vibration model was built . the method of how to calculation the parameters and how to solve differential equation by state space method was presented in the paper
根据成角和转角驱动系统中传动级之间的扭矩和角速度的传递关系建立了两个系统的扭振数学模型，具体给出了扭转振动数学模型中各个参数的确定方法和应用状态空间法求解该系统扭振模型二阶微分方程的方法。 |
