ANSYS is used to carry out analyzing and studying the dynamic characteristics for the exponential torsional vibrating horn, some important characteristic parameters are obtained, such as natural frequency, vibration mode, vibration node, magnifying factor, response situation to exterior force and so on, and the conclusion is in line with the traditional method in theory.
运用AN SY S有限元软件分析了指数型扭振变幅杆的振动特性，所反映的固有频率、振型、位移节点、放大系数等一些重要参数以及它对外部激振力的响应与传统理论方法的结果相当吻合。
Using a torque testing apparatus, 〓 developed by Wu Xiongying, and the tensile stress relaxation mode of Dynamic Thermal Mechanical Analyzer, the properties of torsional setting and tensile setting of cashmere yarn are studied.
采用吴雄英等人研制的扭矩测定装置及动态热机械分析仪的拉伸应力松弛模式，研究了两种纱线的扭转定形及拉伸定形性能。
Considering the affect of cross-section contraction of transmission tower structure, this article derives a correction coefficient of mode shape for the generalized force spectrum of the first mode of simple transmission tower in along-wind, across-wind and torsional directions.
考虑输电塔结构截面收缩的影响，推导了简单输电塔结构顺风向、横风向及扭转方向的一阶广义荷载谱的振型修正系数。
The results showed that the failure mode of roof truss is flexual-torsional buckling of top chord members, which accords with the phenomena observed during test, the ultimate load-bearing capacity is also very close to test data.
结果表明，屋架结构的破坏模式为上弦杆的整体弯扭屈曲，与试验观测到的现象一致，极限承载力和试验结果非常接近。
The distribution of gear's contact stress, root stress, and contact engagement line in the engagement situation of gear pairs, were obtained on the base of explicit integration method. 3. Adopting the method of system matrix, the torsional vibration differential equation of general shafting was gained. The simple harmonic forms of excitation torque under the normal combustion or piston flameout of in-line engine and v-type engine were analysed. The decoupled algorithm of free vibration and forced vibration and the solution to the vibration damper's energy of resistance and the off-resonance calculation were studied. The sensitivity formulations of the natural frequency and vibration mode to physical parameters of system were derived by solving the eigenvalue problem. These sensitivity formulations provided the theoretical base for the dynamic modification of structure.
运用系统矩阵法建立了轴系的扭振微分方程，并对直列和V型发动机在正常发火和气缸熄火工况下的激振力矩进行了详细的简谐分析；基于精确方法推导了自由振动和强迫振动的解耦算法，给出了能量法计算中的减振器阻尼功求解和非共振计算方法；并研究了曲轴系扭振非线性分析中的变惯量问题，得到了单缸转动惯量的精确求解公式以及变惯量和固有频率的关系式；最后，从特征方程和振型正交性出发，推导了固有频率和振型对轴系转动惯量和刚度等物理参数的灵敏度，为扭振系统的结构动力学修改提供了理论基础。
As to torsional fatigue failures, the first mode of motion is most frequent.
在扭振疲劳事故中，以单节扭振故障最为常见。
The test method, using linear acceleration transducer to measure torsional vibration response and how to isolate torsional vibration mode is discussed in detail.
进一步讨论曲轴系统扭振模态试验方法，指出用线加速度传感器测量扭振响应是行之有效的和说明如何分离曲轴系统扭振模态。
Based on complex mode theory, 6 kinds of parametric (i. e. plate width, mass, mass moment of inertia, vertical bending frequency, torsional frequency, air density) elasticity of flat plate flutter derivatives are calculated.
基于复模态理论，计算了平板颤振导数的平板宽度、质量、质量惯矩、竖弯频率、扭转频率和空气密度6种参数弹性；
Gelation of thermosetting prepreg by means of solid torsional method The results showed that the mount spacing can be varied to adjust the natural frequency of the rotational mode.
热固性预浸料凝胶特性的固体扭转测试方法结果说明：改变隔振元件的间距能调整扭转振动的固有频率的大小。
According to the direction of relative motions, fretting can be defined as four basic modes under a contact configuration of ball-on-flat: i. e. tangential, radial, rotational and torsional fretting. At present, the researches focus on the tangential fretting mode.
根据接触副间相对运动方式的不同，球/平面接触条件下的微动可以分为切向、径向、扭动和转动4种基本模式，目前的研究主要集中在切向微动模式。
The torsional response of the structure and influence of higher mode shape are assessed.
研究了结构在强地震作用下的扭转效应和高阶振型对结构反应的影响。
Methods After CCC failured and transmitted to open canner, 17 eyes of17 cases were performed torsional mode combined with rotated chipping phacoemulsification in cataract surgery.
方法对白内障手术术中连续环行撕囊失败17例（17眼）改开罐式截囊，采用扭动模式联合旋转切削法行晶状体超声乳化联合人工晶状体植入术。
Characteristics of Magneto-rheological Damper with Squeeze Mode and Its Effect on Helicopter " Ground Resounance " Dynamic Stability; Analysis of Isolation of the Torsional Vibration of DMF-CS with Centrifugal Pendulum-type Absorber
挤压式磁流变减摆器特性及其对直升机地面共振的影响研究离心摆式DMF-CS扭振减振器隔振性能分析
To investigate the torsional vibration of the system, the dynamics governing equations of the system is established using the Lagrange equation and the assumed mode method.
为了研究此系统的扭转振动，运用拉格朗日方程和假设模态法建立了系统的动力学方程。
In the second part, the transfer matrix method to calculate the critical speed, the mode and the unbalanced response, is presented. And the torsional vibration and lateral-torsional coupling vibration problem is discussed briefly.
第二章总结了计算转子系统临界转速、振动模态和不平衡响应的传递矩阵法，并简要讨论了转子系统的扭转振动和弯扭耦合振动问题。
Method of Nonlinear Normal Mode and its Application in Analysis of Hopf Bifurcation in Electromechanically Coupled Subsynchronous Torsional Oscillating System
应用非线性模态方法分析机电耦合次同步扭振系统的Hopf分岔
To realize mode degeneracy its 1st torsional-vibration mode and its longitudinal-vibration mode caused by 1st radial-vibration are used in designing of this kind of motor.
其工作原理利用了一阶扭振动和一阶径向振动（引起的纵向振动）模态。
However, this kind of transmission mode is prone to lead to the sub-synchronous resonance (SSR) problem caused by the generator shaft damage, which may cause generator shaft torsional vibration and even destruction, thereby endanger the safe operation of power systems.
然而，这种输电模式容易引发对发电机轴系造成损害的次同步谐振（SSR）问题。有可能造成发电机组轴系扭振甚至破坏，从而危及电力系统安全运行。
A torque output mathematics model of ultrasonic motor using longitudinal and torsional mode is presented.
建立了纵扭复合型压电超声电机输出扭矩的数学模型。
Most tested value of vibration mode is only a little larger than theoretical value, which shows torsional rigidity, vertical stiffness and integrality of the structure have increased to a large degree.
桥梁大部分振型的实测频率稍大于理论值，反映该桥跨结构的整体性、竖向刚度和抗扭刚度均有了较大幅度的提高。