BUCKLING ANALYSES OF COMPRESSED STIFFENER WITH FINITE ELEMENT METHODS

被引：0

作者：

Katrnak, T. ^{[1
]}

Juracka, J. ^{[1
]}

机构：

[1] Brno Univ Technol, Fac Mech Engn, Inst Aerosp Engn, Tech 2896-2, Brno 61669, Czech Republic

来源：

ENGINEERING MECHANICS 2018 PROCEEDINGS, VOL 24 | 2018年

关键词：

buckling; stress analysis; finite element method; stiffener; imperfection;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This article presents the research of effect of model imperfections on the local buckling of compressed stiffeners in finite element (FE) analyses. Improved FE models with imperfections provide more accurate simulations of thin-walled semi-monocoque structures, where natural curvatures of structures are insufficient. Main outcomes of these analyses are designs of practical types of imperfections with appropriate ratio values and demonstration of trends from graphic comparisons of results.

引用

页码：373 / 376

页数：4

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