Spectral Finite Element Modeling of the longitudinal wave propagation in rods treated with active constrained layer damping

被引：0
|
作者：
Baz, A [1 ]
机构：
[1] Univ Maryland, Dept Mech Engn, College Pk, MD 20742 USA
来源：
SMART MATERIALS AND STRUCTURES | 1999年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A Spectral Finite Element Model (SFEM) is developed to describe the propagation of longitudinal waves in rods treated with Active Constrained Layer Damping (ACLD) treatments. The model is formulated in the frequency domain using dynamic shape functions that capture the exact displacement distributions of the different ACLD layers. Fn this manner, a small number of elements is needed to accurately model the wave propagation dynamics particularly in rods with discontinuities and partial ACLD treatments. Numerical examples are presented to illustrate the accuracy of the SFEM as compared to the exact solutions. Application of the SFEM to beams, plates and shells treated with ACLD treatments is a natural extension of the present work.
引用
收藏
页码：607 / 620
页数：14
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