节点文献
基于传递矩阵法曲线桥的振动特性分析
The vibration characteristic analysis of curved bridge based on transfer matrix method
【摘要】 根据曲线桥的结构特点,将曲线桥离散成多个无质量的曲梁单元和包含质量的刚体,刚体包含质量和转动惯量.应用传递矩阵法建立曲线箱形截面梁的振动传递矩阵,求解频率方程,得到曲线箱形梁桥的固有频率值和相应振型,分析其振动动态特性.
【Abstract】 Transfer matrix method is applied in analyzing the box-shaped curves of the natural frequencies of the box-shaped curves bridge.According to the structural characteristics of the curved bridge,bridge is separated into multiple curves with the no-quality curved beam elements and rigids including quality and moment of Inertia.The vibration transfer matrix of box-shaped beam is established for solving the frequency equation,obtaining the inherent frequency value and corresponding vibration mode about the curve box girder bridge.The paper also presents an analysis on the vibration dynamic characteristics of the curved box girder bridges.
【Key words】 curved box girder bridge; transfer matrix method; field transfer matrix; points transfer matrix; natural frequency;
- 【文献出处】 西安建筑科技大学学报(自然科学版) ,Journal of Xi’an University of Architecture & Technology(Natural Science Edition) , 编辑部邮箱 ,2009年04期
- 【分类号】U441.3
- 【被引频次】7
- 【下载频次】142