MODAL SAMPLING METHOD FOR THE VIBRATION STUDY OF SYSTEMS OF HIGH MODAL DENSITY

被引：16
|
作者：
GUYADER, JL
机构：
[1] Laboratoire Vibrations-Acoustique, F 69621 Villeurbanne Cedex
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 1990年 / 88卷 / 05期
关键词：
D O I：
10.1121/1.400069
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper presents a method to predict the vibration response of a group of modes, using a sample of modes of the group. The accuracy of the prediction can be improved when increasing the size of the sample. Numerical calculations made on a beam, driven in longitudinal motion, show the ability of the method to reconstitute the energy response of a group of modes including resonant modes, with a sample of a number of modes close to that in the effective damping bandwidth. © 1990, Acoustical Society of America. All rights reserved.
引用
收藏
页码：2269 / 2270
页数：2
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