Modal mass of clamped beams and clamped plates

被引：9
|
作者：
Howard, Carl Q. [1 ]
机构：
[1] Univ Adelaide, Sch Mech Engn, Adelaide, SA 5005, Australia
来源：
JOURNAL OF SOUND AND VIBRATION | 2007年 / 301卷 / 1-2期
关键词：
D O I：
10.1016/j.jsv.2006.09.019
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The calculation of the forced vibration response of a clamped beam or clamped plate often involves the calculation of the modal (or generalized) mass. Calculation of this term for simply-supported structures is relatively easy and results in a value that is half the mass of the structure for beams, and a quarter of the mass of the structure for plates and cylinders. However, calculation of this term for clamped beams and clamped plates is algebraically more complicated and has led to the presentation of several formula in research literature that appear vastly different. This paper contains a derivation of the modal mass of a clamped beam and clamped plate and shows that several of the formula for the modal mass in the research literature are equivalent. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：410 / 414
页数：5
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