KOITER ASYMPTOTIC ANALYSIS OF THIN-WALLED COLD-FORMED STEEL MEMBERS

被引：7
|
作者：
Ungureanu, Viorel [1 ,2 ]
Dubina, Dan [1 ,2 ]
Crisan, Andrei [1 ]
Madeo, Antonio [3 ]
Zagari, Giuseppe [3 ]
Zucco, Giovanni [3 ]
Zinno, Raffaele [3 ]
机构：
[1] Politehn Univ Timisoara, Dept Steel Struct & Struct Mech, Fac Civil Engn, Timisoara, Romania
[2] Romanian Acad, Timisoara Branch, Lab Steel Struct, Timisoara, Romania
[3] Univ Calabria, MODELING Dept, Cosenza, Italy
来源：
ACTA MECHANICA ET AUTOMATICA | 2015年 / 9卷 / 04期
关键词：
Koiter Asymptotic Approach; Instability Problems; Thin-Walled Cold-Formed Steel Members; Imperfection Sensitivity Analysis; Monte Carlo;
D O I：
10.1515/ama-2015-0039
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
An imperfection sensitivity analysis of cold-formed steel members in compression is presented. The analysis is based on Koiter's approach and Monte Carlo simulation. If the modes interaction is correctly accounted, than the limit load and the erosion of critical buckling load can be easily evaluated. Thousands of imperfection can be analysed with very low computational cost and an effective statistical evaluation of limit performance can be carried out. The analysis is done on pallet rack uprights in compression, based on an intensive experimental study carried out at the Politehnica University of Timisoara.
引用
收藏
页码：245 / 251
页数：7
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