节点文献
利用振型衰减函数讨论刚度变化对高振型的影响
Study on Influence of Stiffness Change on High Vibration Mode Through Attenuation Function
【摘要】 根据运动系统的状态方程,利用系统矩阵得出了振型衰减函数的计算方法,并用衰减函数分析了刚度变化对高振型的影响,从而对地震作用计算中振型数目选取提出了几点有益的建议.
【Abstract】 According to the state equation of dynamic system,the paper puts forward the calculating method of attenuation function of vibration mode by making use of system matrix.It also analyzes the effect of stiffness change on high vibration mode by the use of attenuation function.Finally the paper gives some useful suggestion about how to choose the numbers of vibration mode.
- 【文献出处】 湖南工程学院学报(自然科学版) ,Journal of Hunan Institute of Engineering(Natural Science Epition) , 编辑部邮箱 ,2005年04期
- 【分类号】TU311.3
- 【下载频次】78