Buckling, postbuckling and imperfection-sensitivity: Old questions and some new answers

被引：13
|
作者：
Obrecht, H [1 ]
Rosenthal, B [1 ]
Fuchs, P [1 ]
Lange, S [1 ]
Marusczyk, C [1 ]
机构：
[1] Univ Dortmund, Lehrstuhl Baumech Stat, D-44221 Dortmund, Germany
来源：
COMPUTATIONAL MECHANICS | 2006年 / 37卷 / 06期
关键词：
buckling; postbuckling; imperfection-sensitivity; circular cylindrical shell; axial compression; compliant core; auxetic structures;
D O I：
10.1007/s00466-005-0732-z
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
From the point-of-view of economy and safety it is desirable to employ structural configurations with a favorable strength-to-weight ratio and a sufficiently small imperfection-sensitivity. The presentation focuses on two examples falling into this category: The axially compressed cylindrical shell filled with - and/or surrounded by - a compliant core, and auxetic structures. Both exhibit unexpected aspects in their load-carrying behavior and have a significant weight-savings potential.
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页码：498 / 506
页数：9
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