torsional相关论文
Bending vibration control of pipes conveying fluids by nonlinear torsional absorbers at the boundary
A nonlinear torsional absorber,which can overcome the influence of the fluid velocity on the natural frequency,is employ......
目的 比较扭动模式下超声乳化白内障摘除术分别采用旋转碎核与快速劈核技术的效果.方法 全部患者168例(180只眼)行扭动模式下超声......
发动机曲轴系统的扭转振动是引发发动机振动造成断裂的重要因素,以某30T工程车辆直列四缸发动机曲轴轴系作为研究对象,建立曲轴轴......
研制的扭转模态磁致伸缩管道检测系统采用排线式磁致伸缩传感器时，可在管道中激励出低频T（0，1）模态超声导波，并有效检测出管道中截面缺......
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伊泰集团纳林庙一号井技术改造项目选煤场区内,3个内径22m筒仓。采用滑模工艺进行施工。...
- The Bodner-Partom constitutive equation is used to study the viscoplastic torsional bucklingof perfect cylindrical she......
现有理论方法不能随着旋转机械的运行实时地调整扭振模型，且准确性较差。因此，根据轴系机头、机尾测速齿轮的实时监测数据，分析得到轴......
In this paper,proposals in the following arcas of turbogenerator torsionaloscillation(TTO)researches in China are presen......
分析了三峡升船机主拖动系统中存在的几个特殊问题，如平稳升降控制、负荷均衡控制、冗余、通讯等问题，提出了各自的解决方法，并且对其......
目的：观察Infiniti超声乳化系统中智能超声（intelligent phacoemulsification,IP）应用于硬核白内障手术的有效性和安全性。方法：前瞻性......
轧机转轴上存在裂纹与间隙时会引起扭振信号，利用小波包技术对测得的信号进行了频带能量分析，通过统计分析找出其规律性，以此作为依据......
四川盆地元坝气田天然气资源丰富,是中国石化的重点勘探开发区块,但钻速慢、钻井周期长是该区深井—超深井所面临的共同难题,该区......
利用ANSYS有限元分析软件，建立三层短肢剪力墙空间结构有限元模型，通过改变控制参数和受力条件，研究轴压比、荷载偏心距和节点区箍筋......
根据某微型车传动系布置情况,设计并试制、安装结构简单、加工方便、成本低廉、耐久性强的抗扭振惯量盘.通过安装惯量盘前后整车噪......
Currently, for the analysis of complex bridge based on beam element, the calculation of cross-section torsional inertia ......
在某款SUV开发过程中发现,6挡全油门加速时发动机转速在2380r/min附近,车内出现明显的轰鸣问题。通过传递路径分析和实验方法,分析......
基于Newton力学法建立复杂旋转机械扭振的测理模型，正则变换后用Duhamel积分计算各正则坐标的响应，通过与试验测试数据相比较，验证该......
地震时对称结构产生扭转振动的原因是多方面的，其中空间变化地震动作用和结构本身的偶然偏心都可能是引起结构扭转的重要因素。为了......
钻杆工具接头的抗扭强度普遍低于管体,为满足使用需要,考虑选择非API双台肩高抗扭矩接头.为此,使用I-DEAS和MARC两个大型有限元分......
通过非线性有限元方法对橡胶-钢球支座在轴向拉伸、扭转和弯曲的大变形载荷作用下的力学行为进行分析,得出支座的轴向刚度、扭转刚......
本文从纵振动和扭转振动的波动方程出发，结合复合振动换能器各组成部分在一维条件下，纵振动和扭转振动的等效网络，以一维声传输线理论......
A General Calculating Method of Rotor’s Torsional Stiffness Based on Stiffness Influence Coefficient
In order to develop a general calculating rotor’s torsional stiffness based on stiffness influence coefficient for diff......
Studies have been made of the torsional fatigue fracture life of notched specimens,themacroscopic fractography and micro......
建立了摆动活齿传动系统的扭转振动动力学模型,导出了该扭振系统的振动方程.系统动力学模型考虑了活齿传动双排结构中激波器、活齿......
Nonlinear dynamic behavior of rubbing rotor under interaction between bending and torsional vibratio
The nonlinear dynamic behavior of a rubbing rotor system was studied with a mathematical model established with the ecce......
本文给出了应用次最优控制理论,设计励磁和调速的多参量反馈附加控制器来抑制大型汽轮发电机组轴系扭振,并同时改善电力系统的动态......
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当直流换流站发生单极或双极闭锁时，靠近直流换流站的盘南电厂就极有可能产生次同步振荡（SSO），这就迫切需要引入发电机轴系扭振保护（TSR......
Negative stiffness mechanisms have great application potential in different fields, such as vibration isolation, energy ......
Plan asymmetric buildings are very susceptible to earthquake induced damage due to lateral torsional coupling, and the c......
The aim of this research is to clarify whether the midline axis of the complete upper denture (CUD) is the axis of its t......
The present paper has been framed to study the influence of irregularity, initial stress and porosity on the propagation......
Mathematical Modeling and Analysis of Torsional Surface Waves in a Transverse Isotropic Elastic Soli
In this paper, mathematical modeling of the propagation of torsional surface waves in a transverse isotropic elastic med......
This paper proposes a powerful subsynchronous component based (SSC) controller to mitigate the subsynchronous resonance ......
Investigation of Self Excited Torsional Vibrations of Different Configurations of Automatic Transmis
The vehicle drive line system is subjected to torsional vibration from different sources of the system such as;engine fl......
This study evaluates the seismic response of an existing two stories RC building using non-linear analysis. The original......
By means of a torque testing apparatus with heat case and steam, the torque-twist relationship and torquerelaxation of c......
The road random torsional excitation is one type of torque rooted from the road roughness and vehicle drive system. This......
The present study is carried out to investigate the transference of torsional surface waves in a heterogeneous anisotrop......
In this article, we study the axisymmetric torsional contact problem of a half-space coated with functionally graded pie......
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通过试验研究了内燃机轴系的扭振／弯曲振动减振器的参数扭振特性及发动机整机振支 和影响，建立了此类减振 器的模型，并从理论上对......
Theoretical and experimental research has been performed on the interaction curves and stress paths of crystallinepolyme......
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An analytical approach to reconstruction of axisymmetric defects in pipelines using T(0,1)guided wav
Torsional guided waves have been widely utilized to inspect the surface corrosion in pipelines due to their simple displ......
This paper investigates the boundary layer flow of the Maxwell fluid around a stretchable horizontal rotating cylinder u......
In this study, the influence of geometrical parameters on the curve veering phenomenon in a tor-sional system with stepp......
