Numerical investigation of energy absorption behaviors of variable thickness tubes

被引：3

作者：

Meric, Dursun ^{[1
]}

Gedikli, Hasan ^{[2
]}

机构：

[1] Black Sea Tech Univ, A Kanca Vocat Sch, TR-61530 Trabzon, Turkey

[2] Black Sea Tech Univ, Mech Engn Dept, TR-61080 Trabzon, Turkey

来源：

JOURNAL OF THE FACULTY OF ENGINEERING AND ARCHITECTURE OF GAZI UNIVERSITY | 2020年 / 35卷 / 04期

关键词：

Variable thickness tubes; finite element method; multi-objective optimization; energy absorption; AXIAL CRUSHING BEHAVIOR; THIN-WALLED STRUCTURES; MULTIOBJECTIVE OPTIMIZATION; CRASHWORTHINESS DESIGN; GRADED THICKNESS; STAINLESS-STEEL; ALUMINUM TUBES; SQUARE TUBES; PERFORMANCES; PARAMETERS;

D O I：

10.17341/gazimmfd.652878

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study; the energy absorption behaviors of variable thickness tube (VTT) made of aluminum alloy AA6063 which has different thickness (0.5 mm - 4 mm) layers in axial direction and different taper angles (0 degrees, 5 degrees and 10 degrees) were numerically investigated. As a result of analysis deformations pattern, force-displacement and energy-time graphs of the tubes were obtained. Optimum layer thicknesses which provide the lowest peak force and the highest specific energy absorbing (SEA) values for different taper angles, were determined by the optimization method which includes Feedforward Artificial Neural Networks (FNN) technique. The layer thicknesses obtained as a result of optimization showed that the energy absorption behavior of the VTT was improved.

引用

页码：1939 / 1956

页数：18

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