The purpose of the new design is to provide increased lateral and torsional rigidity.
的目的，新的设计是为了提供更多的横向和抗扭刚度。
Drill string vibration of deep Wells is studied in the article. The axial vibration, lateral vibration and torsional vibration of drill strings are analyzed.
文章研究深井钻柱的振动问题，以深井钻柱为研究对象，分析研究了钻柱的纵向振动、横向振动及扭转振动。
Usually , the vibration phenomena can not be explained by the theory of the pure lateral vibration and the pure torsional vibration of rotor dynamics.
转子动力学的纯弯曲振动理论和纯扭转振动理论一般不能解释这一现象。
Taken the lateral flexural rigidity of stiffener, the flexural rigidity in its plane and the torsional rigidity into consideration.
考虑了筋的侧向抗弯刚度及在其平面内的抗弯刚度和抗扭刚度。
In the study of lateral-torsional coupling vibration of a geared rotor system, two coupling models are available, namely force coupling model and geometry coupling model.
在研究齿轮轴系的弯扭耦合振动时，有两种常用的耦合模型，即力耦合模型和几何耦合模型。
Torsional and lateral vibration of a high-rise building with L shape plan under earthquake will couple because of large distance between center of stiffness and center of mass.
平面L形高层建筑结构的刚度中心与质量中心偏离较大，在水平地震作用下平移振动与扭转振动扭耦合。
The unbalanced responses of bevel geared rotor system under external torque in the coupled axial-lateral-torsional directions were studied.
研究了在外载荷作用下锥齿轮传动转子系统纵弯扭耦合振动的不平衡响应。
The previous study for coupled lateral and torsional vibration of turbogenerator rotor and shaft system is reviewed and purpose for further study is provided.
总结了近年来国内外对汽轮发电机组转子及轴系弯扭耦合振动问题的研究进展和成果，并对其进一步研究进行了展望。
Based on rotor dynamics and the basic principle of gear mesh, this paper sets up the lateral-torsional coupling vibration theory of a general geared rotor-bearing system.
基于转子动力学和齿轮啮合基本原理，建立了一般齿轮耦合轴系弯扭耦合振动方程。
The lateral vibration and the torsional vibration which are two basic types of the rotor vibrations are connected by the unbalance of the rotor.
探讨了采用预应力法求解发电机转子磁拉力与弯曲振动问题的可行性 ，导出了有关的计算公式。
At present, the researches on lateral-torsional coupling of asymmetric structures are not enough, especially the coupling problem considering soil-structure interaction.
目前，国内外对偏心结构地震反应的研究工作还不完善，尤其对考虑地基影响后偏心结构平扭耦联问题涉及更少。
At present, the researches on lateral-torsional coupling of asymmetric structures are not enough, especially the coupling problem considering soil-structure interaction.
目前，国内外对偏心结构地震反应的研究工作还不完善，尤其对考虑地基影响后偏心结构平扭耦联问题涉及更少。
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