A numerical investigation of snap-through in a shallow arch-like model

被引:26
|
作者
Chandra, Yenny [1 ]
Stanciulescu, Ilinca [1 ]
Virgin, Lawrence N. [2 ]
Eason, Thomas G. [3 ]
Spottswood, Stephen M. [3 ]
机构
[1] Rice Univ, Dept Civil & Environm Engn, Houston, TX 77005 USA
[2] Duke Univ, Dept Mech Engn, Durham, NC 27708 USA
[3] USAF, Res Lab, Struct Sci Ctr, Wright Patterson AFB, OH USA
关键词
VIBRATION; STABILITY;
D O I
10.1016/j.jsv.2012.12.019
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Slender curved structures may experience a loss of stability called snap-through, causing the curvature on part or all of the structure to invert inducing fatigue damage. This paper presents a framework for analyzing the transient responses of slender curved structures. A numerical study of snap-through in a shallow arch-like model under periodic excitations is performed on a simplified model and on a detailed finite element model. The boundaries that separate the snap-through and no snap-through regions in the forcing parameters space are identified. various post-snap responses are analyzed. The effects of initial conditions on the snap-through boundaries and post-snap responses are examined. Forcing parameters that lead to chaotic response are identified. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2532 / 2548
页数:17
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