Global and local behaviour based composite damping studies on thin-walled box structure

被引：4

作者：

Ramkumar, K. ^{[1
]}

Ganesan, N. ^{[2
]}

Kannan, R. ^{[1
]}

机构：

[1] Satyam Venture Engn Serv, Secunderabad 500003, Andhra Pradesh, India

[2] Indian Inst Technol Madras, Dept Mech Engn, Machine Design Sect, Madras 36, Tamil Nadu, India

来源：

EUROPEAN JOURNAL OF MECHANICS A-SOLIDS | 2010年 / 29卷 / 02期

关键词：

Composite damping; Box structure; Modal strain energy method; Finite element; FLEXURAL-TORSIONAL VIBRATION; FINITE-ELEMENT; BEAMS; MECHANICS; PLATES;

D O I：

10.1016/j.euromechsol.2009.09.003

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The local (plate)/global (beam) vibration and damping behavior of composite thin-walled box member subjected to vibratory environment are studied and presented in this paper. This investigation is carried out by the use of 3D beam and thin plate finite elements and the corresponding modal frequencies/damping values of composite box beam are predicted by modal strain energy method. Application examples illustrate the ability of the 3D beam and thin plate element to predict both local and global modal frequencies/damping of hollow box sections. The influence of L/h ratio, b/h ratio and ply angle on the frequency and loss factor of composite box beam is investigated. In addition, an attempt has also been made to investigate the effect of temperature on the composite damping characteristics of rectangular box type section. (C) 2009 Elsevier Masson SAS. All rights reserved

引用

页码：253 / 265

页数：13

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