Crashworthiness optimization of hierarchical hexagonal honeycombs under out-of-plane impact

被引：20
作者：
Altin, M. [1 ]
Acar, E. [2 ]
Guler, M. A. [3 ]
机构：
[1] Gazi Univ, Dept Automot Engn, Ankara, Turkey
[2] TOBB Univ Econ & Technol, Dept Mech Engn, Ankara, Turkey
[3] Amer Univ Middle East, Coll Engn & Technol, Egaila, Kuwait
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2021年 / 235卷 / 06期
关键词：
Crashworthiness; honeycomb; optimization; specific energy absorption; surrogate model; MULTIOBJECTIVE OPTIMIZATION; PART I; DESIGN; PERFORMANCE; INDEXES; TUBE;
D O I：
10.1177/0954406220939104
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper presents a numerical study of regular and hierarchical honeycomb structures subjected to out-of-plane impact loading. The specific energy absorption capacity of honeycomb structures via nonlinear explicit finite element analysis is investigated. The constructed finite element models are validated using experimental data available in the literature. The honeycomb structures are optimized by using a surrogate-based optimization approach to achieve maximum specific energy absorption capacity. Three surrogate models polynomial response surface approximations, radial basis functions, and Kriging models are used; Kriging models are found to be the most accurate. The optimum specific energy absorption value obtained for hierarchical honeycomb structures is found to be 148% greater than that of regular honeycomb structures.
引用
收藏
页码：963 / 974
页数：12
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