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梁体系机构运动和弹性变形问题分析力学解法 被引量:2

Analytical mechanics solution for mechanism motion and elastic deformation hybrid problem of beam system
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摘要 建立了梁体系的分析动力学模型,解决其机构运动与弹性变形混合问题,采用混合坐标描述梁单元的刚体运动和弹性变形,欧拉四元数表达其空间姿态坐标系,推导了体系的动力学控制方程和约束方程,算例表明:该方法可以有效地跟踪求解梁体系机构运动的路径。 A beam system dynamics model is developed for solving the motion-deformation mixed problem. Kinetic control equation and con- straint equation in which, mechanism motion and elastic deformation is described using hybrid coordinates, and the azimuths of the element is described using Euler quaternion are derived. Numerical examples show that the method can trace the track of the system.
作者 季俊
出处 《山西建筑》 2011年第17期49-50,共2页 Shanxi Architecture
关键词 柔性多体系统动力学 混合坐标描述 欧拉四元数 梁单元 dynamics of flexible multi-body systems, hybrid coordinates description, Euler quaternion, beam element
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