The non-linear oscillations of a rod with close values of the cross-section axial moments of inertia

被引：0

作者：

Munitsyn, A. I.

机构：

来源：

PMM JOURNAL OF APPLIED MATHEMATICS AND MECHANICS | 2009年 / 73卷 / 03期

关键词：

D O I：

10.1016/j.jappmathmech.2009.07.009

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

An analytical solution of the problem of the forced flexural oscillations of a rod with fixed hinged supports is presented. The rod has close natural frequencies of flexural oscillations in two mutually perpendicular planes due to the close values of the principal axial moments of inertia of the cross-section. The geometrical non-linearity, due to the change in the length of the middle line of the rod when it undergoes three-dimensional motion, is taken into account. The oscillations of the rod in the neighbourhood of the principal and first superharmonic resonances are investigated. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：304 / 312

页数：9

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