Study on influence of cross section shape evolution on crashworthiness of multicellular square tubes
Journal of Mechanical StrengthVol. 47, Issue 3, Pages: 32-40(2025)
作者机构:
梧州学院 电子与信息工程学院,梧州 543002
作者简介:
DENG Xiaolin, E-mail: dengxiaolin3@163.com
基金信息:
National Natural Science Foundation of China(52065059;52365036);Guangxi University Young and Middle-Aged Teachers Basic Research Ability Improvement Project(2023KY0703);Wuzhou Science and Technology Project(202202042)
CAI Zhenzhen,DENG Xiaolin,HUANG Cuiping,et al. Study on influence of cross section shape evolution on crashworthiness of multicellular square tubes[J]. Journal of Mechanical Strength,2025,47(3):32-40.
CAI Zhenzhen,DENG Xiaolin,HUANG Cuiping,et al. Study on influence of cross section shape evolution on crashworthiness of multicellular square tubes[J]. Journal of Mechanical Strength,2025,47(3):32-40. DOI: DOI:10.16579/j.issn.1001.9669.2025.03.004.
Study on influence of cross section shape evolution on crashworthiness of multicellular square tubes
Taking multicellular square tubes as the research object
the influence of the evolution of cross section shape on the energy absorption of the structure of multicellular square tubes was studied by using the verified finite element model. The results show that
under the same mass conditions
the multicellular tubes with the best energy absorption
k
=0.25 increased by 26.34% compared with those with the worst energy absorption
k
=0.40. Under the same wall th
ickness
the energy absorption with
k
=0.25 and the specific energy absorption of the multicellular tubes were 311.69% and 73.80% higher respectively than that of the ones with
k
=0
and the crushing force efficiency was increased by 52.51%. Finally
the parametric study of shape coefficient and wall thickness on the structural crashworthiness was carried out systematically. The research results can provide a reference for innovative design of multicellular square tubes.
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RESEARCH ON CRASHWORTHINESS OF BIONIC PENTACLE THIN-WALLED STRUCTURE INSPIRED BY CARAMBOLA
Research on crashworthiness of self-similar nested metal multicellular tubes
Numerical analysis and optimization of crashworthiness of bionic hierarchical thin-walled square tubes
МЕСHANICAL BEHA VIOR OF GRADED HONEYCOMB AND ITS MULTI-OBJECTIVE OPTIMAL DESIGN
RESEARCH ON AXIAL IMPACT ENERGY ABSORPTION CHARACTERISTICS OF METAL SPHERICAL SHELL FILLED RETICULATED TUBE
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