2) restricted damped beam
约束阻尼梁
1.
This paper discusses using restricted damped absorber in field of reducing vibration by method analysis and project application,and forom the view of power flow analysises the result of vibration reduction by using restricted damped beam has the ability of reducing vibration and absorbing energy with wide frequency band and high effect.
本文通过理论分析和工程应用讨论了利用约束阻尼梁作为波导吸振器 ,在减振方面的应用 ,并从能量流的角度分析约束阻尼梁用于减振的效果。
4) passive constrained layer damping beam
被动约束层阻尼梁
1.
Dynamics optimization of passive constrained layer damping beam based on PCL language;
PATRAN/NASTRAN平台上,利用PCL语言在PATRAN中建立了局部覆盖PCLD梁有限元模型,实现了设计变量的参数化,以局部覆盖PCLD梁第一阶模态损耗因子最大为优化目标函数,采用单纯型法对局部覆盖被动约束层阻尼梁进行了动力学优化计算。
5) constrained damping layer
约束阻尼层
1.
Beam element model analysis of composite beam with constrained damping layer;
附加约束阻尼层的复合材料梁单元建模分析
2.
Secondly with non-damping layers,free damping layers and constrained damping layers,the oil pan noise radiation is analyzed.
对某柴油机的油底壳进行了模态试验、模态分析和谐响应分析,得到其振动响应特性的基础上,利用边界元方法对没有阻尼层结构、具有自由阻尼层结构和具有约束阻尼层结构的油底壳的声辐射特性进行了研究,得出了阻尼结构对改善油底壳的声辐射特性的一些规律。
3.
To cut down element number for modeling structure with constrained damping layer(CDL) in general FEM software,the whole element method is adopted to solve the extension,bending and torsion vibration of the hollow circular beam with CDL.
分析结果同三维有限元分析结果作了比较,证明了该方法的可行性,为圆形截面构件组成的刚架和桁架结构约束阻尼层振动抑制分析提供了简单的计算方法。
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