Thin-Walled Tube Plastic Crash in Bending

被引：0
|
作者：
Nepershin, Rostislav I. [1 ]
机构：
[1] Moscow State Univ Technol STANKIN, Plast Deformat Syst Dept, Moscow 127994, Russia
来源：
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS 2014 (ICNAAM-2014) | 2015年 / 1648卷
关键词：
thin-walled tube; three-point bending; elastic-plastic; work hardening; plastic crash; plastic hinges; limit curvature; limit toll reactions;
D O I：
10.1063/1.4912504
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Plastic crash of thin-walled circular tube section in three-point bending by circular tools is considered. Nonlinear elastic-plastic tube bending simulation is used with work hardening effect consideration. Critical tube curvature and toll reactions leading to plastic crash of the tube section are estimated using plastic hinges mechanism. Elastic-plastic bending moment versus curvature, critical curvature and toll reaction estimations, constrained by thin-walled tube plastic crash, are reasonably correlated with experiments.
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页数：4
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