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。
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。
Transverse 2-dimensional FE model of the staggered truss system is set up by arranging adjacent frames parallelly and coupling lateral displacements of all nodes on the same floor.
采用将交错桁架体系中相邻两榀平面结构并列放置，耦合相同楼层所有节点的水平位移的方法建立了交错桁架体系的横向平面分析模型；
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