Non-linear buckling of elliptical curved beams

被引：24

作者：

Luu, Anh-Tuan ^{[1
]}

Lee, Jaehong ^{[1
]}

机构：

[1] Sejong Univ, Dept Architectural Engn, 209 Neungdong Ro, Seoul 143747, South Korea

来源：

INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS | 2016年 / 82卷

基金：

新加坡国家研究基金会;

关键词：

Non-linear buckling; Postbuckling; Elliptical curved beams; Isogeometric analysis; ISOGEOMETRIC VIBRATION ANALYSIS; FINITE-ELEMENT-ANALYSIS; THIN-WALLED SECTIONS; SHALLOW ARCHES; INPLANE STABILITY; CIRCULAR ARCHES; SPATIAL STABILITY; PARABOLIC ARCHES; SNAP-THROUGH; NURBS;

D O I：

10.1016/j.ijnonlinmec.2016.02.001

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In this paper, a study on non-linear buckling and postbuclding behavior of elliptical curved beams is presented. An isogeometric analysis framework with the use of an arc-length iteration technique is developed based on the shear deformable theory and accounts for the geometric non-linearity in von Karman sense. The proposed method is capable of exactly modeling the geometry of elliptical curved beams by means of NURBS (non-uniform rational B-splines) basis functions. The solutions of the present model are validated by comparing with experimental and numerical results of the literature. Numerical examples are carried out to investigate the effects of different geometric parameters on the buckling and postbuckling of elliptical curved beams with hinged-hinged, clamped-clamped and clamped-hinged boundary conditions. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：132 / 143

页数：12

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