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四种粘弹性地基上弹性地基板的自由振动解
Free Vibration Analysis of Viscoelastic Foundation Plate on Viscoelastic Foundation
【摘要】 本文首先推出了四种粘弹性地基上弹性薄板在时间域上的动力学方程 ,并给出了三元件和 Kelvin粘弹性地基上矩形薄板的固有频率的解析解 ,然后对振动特性进行了分析和比较 ,最后给出了算例和结果讨论
【Abstract】 In this paper,the free vibration equation of elastic foundation plate on viscoelastic foundatons are derived ,and the analytical solutions to the natural frequencies are given for elastic rectangular plates on kelvin and three elements viscoeastic foundations .Their dynamic behaviors are analyzed and compared.Example and conclusions are given in the end.
【关键词】 弹性板;
粘弹性地基;
自由振动;
动力特性;
解析解;
【Key words】 Elastic Plate; Viscoelastic foundation; Free vibration; Dynamic behaviors; Analytical solutions;
【Key words】 Elastic Plate; Viscoelastic foundation; Free vibration; Dynamic behaviors; Analytical solutions;
- 【文献出处】 强度与环境 ,Structure & Environment Engineering , 编辑部邮箱 ,2001年03期
- 【分类号】TU348;TU470.3
- 【被引频次】19
- 【下载频次】232