Research on crashworthiness of self-similar nested metal multicellular tubes
The hierarchical multicellular structure exhibits good energy absorption characteristics, which can be widely used in the energy absorption devices of vehicles such as automobiles and airplanes. Two types of self-similar nested metal multi-cellular tubes were designed, the crashworthiness under axia...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Journal of Mechanical Strength
2024-06-01
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| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2024.03.007 |
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| author | HUANG CuiPing DENG XiaoLin CAI ZhenZhen |
| author_facet | HUANG CuiPing DENG XiaoLin CAI ZhenZhen |
| author_sort | HUANG CuiPing |
| collection | DOAJ |
| description | The hierarchical multicellular structure exhibits good energy absorption characteristics, which can be widely used in the energy absorption devices of vehicles such as automobiles and airplanes. Two types of self-similar nested metal multi-cellular tubes were designed, the crashworthiness under axial impact was studied by numerical simulation. The results show that higher order multicellular tubes have better energy absorption capacity than lower order multicellular tubes, regardless of the same mass or wall thickness. With the same mass, the specific energy absorption ratio of higher order multi-cellular tubes is up to 36.45% and the crush force efficiency is up to 35. 42%. Under the same wall thickness, the maximum specific energy absorption and crush force efficiency of higher order multicellular tubes are increased respectively by 80.40% and 59.64%. The results show that the crashworthiness of the proposed self-similar nested metal multicellular tube is significantly improved compared with the traditional multicellular tube. Finally, the parametric study of the structural parameters such as order and wall thickness on the crashworthiness of self-similar nested metal multicellular tubes was carried out systematically. |
| format | Article |
| id | doaj-art-30348bfa16ff410da7510d9a60dd9292 |
| institution | Kabale University |
| issn | 1001-9669 |
| language | zho |
| publishDate | 2024-06-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj-art-30348bfa16ff410da7510d9a60dd92922025-01-15T02:45:27ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692024-06-014656857863938834Research on crashworthiness of self-similar nested metal multicellular tubesHUANG CuiPingDENG XiaoLinCAI ZhenZhenThe hierarchical multicellular structure exhibits good energy absorption characteristics, which can be widely used in the energy absorption devices of vehicles such as automobiles and airplanes. Two types of self-similar nested metal multi-cellular tubes were designed, the crashworthiness under axial impact was studied by numerical simulation. The results show that higher order multicellular tubes have better energy absorption capacity than lower order multicellular tubes, regardless of the same mass or wall thickness. With the same mass, the specific energy absorption ratio of higher order multi-cellular tubes is up to 36.45% and the crush force efficiency is up to 35. 42%. Under the same wall thickness, the maximum specific energy absorption and crush force efficiency of higher order multicellular tubes are increased respectively by 80.40% and 59.64%. The results show that the crashworthiness of the proposed self-similar nested metal multicellular tube is significantly improved compared with the traditional multicellular tube. Finally, the parametric study of the structural parameters such as order and wall thickness on the crashworthiness of self-similar nested metal multicellular tubes was carried out systematically.http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2024.03.007Self-similar structureMulticellular tubeAxial impactNumerical simulationCrashworthiness |
| spellingShingle | HUANG CuiPing DENG XiaoLin CAI ZhenZhen Research on crashworthiness of self-similar nested metal multicellular tubes Jixie qiangdu Self-similar structure Multicellular tube Axial impact Numerical simulation Crashworthiness |
| title | Research on crashworthiness of self-similar nested metal multicellular tubes |
| title_full | Research on crashworthiness of self-similar nested metal multicellular tubes |
| title_fullStr | Research on crashworthiness of self-similar nested metal multicellular tubes |
| title_full_unstemmed | Research on crashworthiness of self-similar nested metal multicellular tubes |
| title_short | Research on crashworthiness of self-similar nested metal multicellular tubes |
| title_sort | research on crashworthiness of self similar nested metal multicellular tubes |
| topic | Self-similar structure Multicellular tube Axial impact Numerical simulation Crashworthiness |
| url | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2024.03.007 |
| work_keys_str_mv | AT huangcuiping researchoncrashworthinessofselfsimilarnestedmetalmulticellulartubes AT dengxiaolin researchoncrashworthinessofselfsimilarnestedmetalmulticellulartubes AT caizhenzhen researchoncrashworthinessofselfsimilarnestedmetalmulticellulartubes |