1) base beam damping
基底层阻尼
2) damping layer
阻尼层
1.
The influencing laws of the damping layers on damping characteristics and stiffness of the seven layer alternately laminated anisotropic damped structures were studied with range analysis of orthogonal experiment method,and the influence of different damping layers on the structural characteristics was investigated based on the laws.
采用正交试验极差分析方法,研究了各阻尼层对7层各向异性交替层合阻尼结构阻尼性能和刚度的影响大小规律,并在此基础上就不同阻尼层材料对结构性能的影响进行探讨。
2.
The wave is generated at the generating line for the calculating area by adding an oscillating source term in the finite element integral equation and absorbed at the outgoing boundary by damping layers.
本文提出了一种双曲型缓坡方程的有限元计算方法 ,在建立有限元积分方程时通过在造波线处加入脉动源项来实现内部造波 ,并在开边界处利用阻尼层吸波 ,减少了在边界处由于数值处理引起的误差。
3) damping interlayer
阻尼夹层
4) foundation damping
地基阻尼
1.
This paper presents a dynamic measurment method of the foundation damping for the aircraft-pavementsystem.
首先将飞机—道面—地基动力耦合系统转化为集中参量系统，然后利用Ｌｙｓｍｅｒ简化方法消除了集中参量与激振力频率之间的相关性，导出了地基阻尼系数与地基土壤剪切波和压缩波波速之间的关系。
5) bottom course
底层;基层
6) footing course
底层，基层
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