SINGLE-MODE AND MULTIMODE COMBINATION TONES IN A NONLINEAR BEAM

被引:1
|
作者
YASUDA, K
KATO, M
MASUDA, H
机构
[1] MIE UNIV,FAC ENGN,TSU,MIE 514,JAPAN
[2] HITACHI LTD,MECH ENGN RES LAB,TSUCHIURA,IBARAKI 300,JAPAN
关键词
NONLINEAR VIBRATION; DISTRIBUTED SYSTEM; COMBINATION TONES; SINGLE MODE; MULTIPLE MODES;
D O I
10.1299/jsmec1993.36.17
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The occurrence of combination tones in a nonlinear beam subjected to an excitation having two harmonic components with frequencies OMEGA1 and OMEGA2 is investigated. For theoretical analysis, the perturbation method of multiple scales is used. It is found theoretically that combination tones with frequencies (+/-2OMEGA1 + OMEGA2), (2OMEGA1 - OMEGA2) and (+/-OMEGA1 + 2OMEGA2), and subcombination tones with frequency (+/-OMEGA1 + OMEGA2)/2 can occur in a single mode. It is also found that in addition to these, a new type of combination tone can occur in multiple modes. The occurrence of all of these combination tones is confirmed experimentally.
引用
收藏
页码:17 / 25
页数:9
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