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

页码：1033 / 1046

页数：14

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