Journal ArticleDOI
Structure design and multi-objective optimization of a novel crash box based on biomimetic structure
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TLDR
Simulation results show that the novel crash box optimized by NSGA-II algorithm can improve the energy absorption characteristics and comprehensive crashworthiness more effectively, and make the collision process controllable and stable.About:Â
This article is published in International Journal of Mechanical Sciences.The article was published on 2018-04-01. It has received 98 citations till now. The article focuses on the topics: Crash box & Crashworthiness.read more
Citations
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A review of recent research on bio-inspired structures and materials for energy absorption applications
Ngoc San Ha,Guoxing Lu +1 more
TL;DR: A comprehensive overview of recent advances in the development of bio-inspired structures for energy absorption applications is provided in this paper, where the authors describe the unique features and remarkable mechanical properties of biological structures such as plants and animals, which can be mimicked to design efficient energy absorbers.
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Energy absorption of thin walled tube filled with gradient auxetic structures-theory and simulation
Qiang Gao,Wei-Hsin Liao +1 more
TL;DR: In this paper, a thin walled structure filled with double arrowed auxetic structure and investigated the energy absorption characteristics was introduced to improve energy absorption performance, and a theoretical model was also established to predict energy absorption to quantify the energy dissipated due to thin walling tubes, gradient auxetic structures and their interactions.
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A review of the crashworthiness performance of energy absorbing composite structure within the context of materials, manufacturing and maintenance for sustainability
TL;DR: An overview of recent advances of EACS is presented, salient explanation of the crashworthiness indices and failure mechanisms during deformation of EacS are given, and the need of sensors, green and e-maintenance in EACs for sustainable maintenance is addressed.
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Theoretical analysis and crashworthiness optimization of hybrid multi-cell structures
TL;DR: In this paper, four thin-walled hybrid multi-cell structures with circular and square sections were investigated by experimental testing and numerical analysis, and the theoretical models of mean crushing force and specific energy absorption of the hybrid structures were developed by simplified super folding element (SSFE) theory.
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A review on crashworthiness studies of crash box structure
TL;DR: This review solely focuses on crash box structure, an integral component for ensuring the safety of a car, which serves as an energy-absorbing member together with the front bumper in case of frontal collision during car accidents.
References
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On the crashworthiness performance of thin-walled energy absorbers: Recent advances and future developments
TL;DR: In this article, a comprehensive overview of the recent developments in the area of crashworthiness performance of thin-walled (TW) tubular components is given with a special focus on the topics that emerged in the last ten years such as crashworthiness optimisation design and energy absorbing responses of unconventional TW components including multi-cells tubes, functionally graded thickness tubes and functionally graded foam filled tubes.
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On design optimization for structural crashworthiness and its state of the art
TL;DR: A comprehensive review of the important studies on design optimization for structural crashworthiness and energy absorption is provided in this article, where the authors provide some conclusions and recommendations to enable academia and industry to become more aware of the available capabilities and recent developments in design optimization.
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Bending behavior of sandwich composite structures with tunable 3D-printed core materials
Tiantian Li,Lifeng Wang +1 more
TL;DR: In this paper, the authors combine 3D printing technique, numerical analysis, and experiments to design a new class of sandwich composites that exhibit various bending behaviors, including truss, conventional honeycomb, and re-entrant honeycomb topologies.
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Energy Absorption of Thin-Walled Square Tubes With a Prefolded Origami Pattern—Part I: Geometry and Numerical Simulation
Jiayao Ma,Zhong You +1 more
TL;DR: In this paper, the authors presented a novel thin-walled energy absorption device known as the origami crash box, which is made from a thinwalled tube of square cross section whose surface is prefolded according to a developable origami pattern.
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Crashworthiness optimization of foam-filled tapered thin-walled structure using multiple surrogate models
TL;DR: A comparative study on the different surrogate models, such as polynomial response surface (PRS), Kriging, support vector regression (SVR) and radial basis function (RBF), which have been widely used for a variety of engineering problems, thereby gaining insights into their relative performance and features in computational modeling and design.