Frequency dependent operations for 2nd order systems-Modal expansion and modal correlation

被引：1
|
作者：
Alkhfaji, Saad S. [2 ]
Garvey, Seamus D. [1 ]
机构：
[1] Univ Nottingham, Sch Mech Mat & Mfg Engn, Nottingham NG7 2RD, England
[2] Minist Sci & Technol, Baghdad, Iraq
来源：
JOURNAL OF SOUND AND VIBRATION | 2013年 / 332卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
COORDINATE TRANSFORMATIONS;
D O I：
10.1016/j.jsv.2012.09.028
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, two frequency dependent operations for viscously-damped systems are presented. The first operation comprises a new frequency dependent modal expansion while the second operation generalises a recently-proposed modal correlation approach for these systems such that particular frequencies are targeted. The two suggested methods are connected by a common method for specifying frequency in a generalised sense and they are each illustrated using numerical examples. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1033 / 1046
页数：14
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