Expansion of sandwich tubes with metal foam core under axial compression

H Guo, J Zhang - Journal of Applied Mechanics, 2023 - asmedigitalcollection.asme.org
In order to enhance the load-carrying and energy-absorbing capacity of the energy-
absorbing structure, a new energy-absorbing mode of a metal foam-filled sandwich circular …

Recent research development of energy-absorption structure and application for railway vehicles

G Gao, T Zhuo, W Guan - Journal of Central South University, 2020 - Springer
As the application of energy-absorption structure reaches an unprecedented scale in both
academia and industry, a reflection upon the state-of-the-art developments in the …

Explosion power evaluation based on the energy absorption characteristics of expansion tube structure

Z Qi, Y Lin, W Liang, M Liang, R Chen… - International Journal of …, 2024 - Elsevier
With the rapid advancement of the new generation of ammunition, the evaluation of the
explosion power has received worldwide attention. To assess the power of blast waves …

Energy absorption of expansion tubes using a conical–cylindrical die: experiments and numerical simulation

J Yang, M Luo, Y Hua, G Lu - International Journal of Mechanical Sciences, 2010 - Elsevier
This paper is concerned with the plastic energy absorption behavior of expansion tubes
under axial compression by a conical–cylindrical die. The experiments and numerical …

Theoretical prediction and numerical studies of expanding circular tubes as energy absorbers

J Yan, S Yao, P Xu, Y Peng, H Shao, S Zhao - International Journal of …, 2016 - Elsevier
This work investigated the energy absorption behavior of expansion circular tubes. This kind
of energy absorption device dissipates the impact of kinetic energy through plastic …

[HTML][HTML] A new model for the expansion tube considering the stress coupling: theory, experiments and simulations

MZ Wu, XW Zhang, QM Zhang - Defence Technology, 2022 - Elsevier
Based on the two-arc profile assumption, the expansion deformation and energy absorption
of circular tubes compressed by conical-cylindrical dies were reconsidered. First, the …

Analysis and parameters optimization of an expanding energy-absorbing structure for a rail vehicle coupler

S Yao, Z Li, J Yan, P Xu, Y Peng - Thin-Walled Structures, 2018 - Elsevier
This paper describes the energy absorption and crashworthiness optimization of an
expanding structure under axial loading, which has been applied to a rail vehicle coupling …

Prediction method of impact deformation mode based on multimodal fusion with point cloud sequences: applied to thin-walled structures

C Yang, Z Li, P Xu, H Huang, Y Huo, Y Wei - Advanced Engineering …, 2024 - Elsevier
One of the challenges in solving the structural crashworthiness optimisation problem under
impact deformation constraints is to construct an efficient and concise representation method …

[HTML][HTML] Mechanical behavior and energy absorption of expansion circular tube with negative Poisson's ratio

R Qin, X Liu, X Wang, H Niu, Q Li, X Zhang… - Alexandria Engineering …, 2024 - Elsevier
The expansion tube plays a crucial role in the field of train collision safety protection. In this
study, we combine the expansion characteristics of negative Poisson's ratio (NPR) with the …

Theoretical analysis and verification on plastic deformation behavior of rocket nozzle using a novel tube upsetting-bulging method

Y Chen, S Zhao, H Wang, J Li, L Hua - Materials, 2023 - mdpi.com
The rocket nozzle is one of the core components to ensure the safe flight of rockets. To
overcome the problems of multi-step forming, the occurrence of defects, and severe plastic …