Abstract
To improve the energy absorption capacity of thin-walled tubular structures and simultaneously reduce their initial peak force (IPF), hierarchical hexagonal tapered tube (HHTT) is proposed combining advantages of the hierarchical hexagonal tube (HHT) and the tapered tube (TT), for HHTs can greatly improve the mean crushing force (MCF) while TTs can reduce the IPF. Crushing behaviors of HHTTs under quasi-static compression are investigated through numerical simulations and theoretical analyses. According to the folding modes, a theory to predict the MCF of the HHTT is proposed. According to the research, it is found that the combination of hierarchy and tapering improves the MCF of the tubular structure and the crushing force efficiency (CFE), defined by the ratio of the MCF to the IPF. It is also found that increasing the tapered angle, the wall thickness and the cell number of the lattice wall can effectively improve the CFE of the HHTT.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
