Article(id=1240594156792378059, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1240594155198534488, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.03.004, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1687536000000, receivedDateStr=2023-06-24, revisedDate=1691683200000, revisedDateStr=2023-08-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1773710296104, onlineDateStr=2026-03-17, pubDate=1741968000000, pubDateStr=2025-03-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773710296104, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773710296104, creator=13701087609, updateTime=1773710296104, updator=13701087609, issue=Issue{id=1240594155198534488, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='3', pageStart='1', pageEnd='158', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1773710295724, creator=13701087609, updateTime=1773714468205, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1240611655898420098, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1240594155198534488, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1240611655902614403, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1240594155198534488, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=32, endPage=40, ext={EN=ArticleExt(id=1240594157471855311, articleId=1240594156792378059, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Study on influence of cross section shape evolution on crashworthiness of multicellular square tubes, columnId=1228282192162390694, journalTitle=Journal of Mechanical Strength, columnName=Experimental Research·Testing Technology, runingTitle=null, highlight=null, articleAbstract=
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 thickness, 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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以多胞方管为研究对象,采用验证后的有限元模型,研究了多胞方管横截面形状演化对结构吸能的影响。研究结果表明,相同质量条件下,能量吸收最好的k=0.25的多胞方管比吸能最差的k=0.40的多胞方管提高了26.34%。相同壁厚下,k=0.25的多胞方管能量吸收和比能量吸收相比吸能效果最差的k=0的多胞方管分别提高了311.69%和73.80%,冲击力效率提升了52.51%。最后,系统地开展了形状系数和壁厚对结构耐撞性的参数化研究,研究成果能为多胞方管的创新设计提供参考。
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蔡珍珍,女,1992年生,广西桂林人,硕士,助教;主要研究方向为汽车碰撞;E-mail:caizhenzhen0827@163.com。
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蔡珍珍,女,1992年生,广西桂林人,硕士,助教;主要研究方向为汽车碰撞;E-mail:caizhenzhen0827@163.com。
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Cross section shape evolution of multicellular tubes, figureFileSmall=W0XPDTinAv1+m+2ssnh5pQ==, figureFileBig=8JNABnPTdOvGqNTybajm1Q==, tableContent=null), ArticleFig(id=1240594166921621509, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图1, caption=
多胞方管的横截面形状演化, figureFileSmall=W0XPDTinAv1+m+2ssnh5pQ==, figureFileBig=8JNABnPTdOvGqNTybajm1Q==, tableContent=null), ArticleFig(id=1240594168637091872, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.2, caption=
Finite element model, figureFileSmall=C2LyCnFxT8EcLuUYT1s2+g==, figureFileBig=untiLQadyjmNYytM1eRVpQ==, tableContent=null), ArticleFig(id=1240594168788086824, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图2, caption=
有限元模型, figureFileSmall=C2LyCnFxT8EcLuUYT1s2+g==, figureFileBig=untiLQadyjmNYytM1eRVpQ==, tableContent=null), ArticleFig(id=1240594168876167216, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.3, caption=
Property of 6061O, figureFileSmall=y25BaxTotZubtlIUj6KqOA==, figureFileBig=ICJ98PLmcsJPdk7XgcB6KQ==, tableContent=null), ArticleFig(id=1240594169014579262, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图3, caption=
6061O属性, figureFileSmall=y25BaxTotZubtlIUj6KqOA==, figureFileBig=ICJ98PLmcsJPdk7XgcB6KQ==, tableContent=null), ArticleFig(id=1240594169127825477, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.4, caption=
Convergence analysis of the element size, figureFileSmall=TMQqO7tQzx12aTbM7jer8g==, figureFileBig=Zi5TBwmn3mg7ljlJGGz4Og==, tableContent=null), ArticleFig(id=1240594169215905870, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图4, caption=
网格尺寸收敛性分析, figureFileSmall=TMQqO7tQzx12aTbM7jer8g==, figureFileBig=Zi5TBwmn3mg7ljlJGGz4Og==, tableContent=null), ArticleFig(id=1240594169345929308, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.5, caption=
Comparison between finite element model and test, figureFileSmall=DESDJtVzzOm1pBQQiEuuuw==, figureFileBig=ZgQnLSECXPPPF77vUE1btw==, tableContent=null), ArticleFig(id=1240594169454981220, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图5, caption=
有限元模型与试验的对比, figureFileSmall=DESDJtVzzOm1pBQQiEuuuw==, figureFileBig=ZgQnLSECXPPPF77vUE1btw==, tableContent=null), ArticleFig(id=1240594169555644523, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.6, caption=
Curves of force-displacement and energy absorption-displacement with the same mass, figureFileSmall=JapPnCnGxij+fyh9UjgZKg==, figureFileBig=/2LBn7Y5q+jf+OccyLs0BA==, tableContent=null), ArticleFig(id=1240594169660502132, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图6, caption=
相同质量条件下的作用力-位移和能量吸收-位移曲线, figureFileSmall=JapPnCnGxij+fyh9UjgZKg==, figureFileBig=/2LBn7Y5q+jf+OccyLs0BA==, tableContent=null), ArticleFig(id=1240594169828274301, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.7, caption=
Crashworthiness analysis of multicellular tubes with the same mass, figureFileSmall=9S/hw6BJEokSWFVFgurhnw==, figureFileBig=Ytx98IQbUJByuJJWPK3g3g==, tableContent=null), ArticleFig(id=1240594169916354691, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图7, caption=
相同质量下多胞方管耐撞性分析, figureFileSmall=9S/hw6BJEokSWFVFgurhnw==, figureFileBig=Ytx98IQbUJByuJJWPK3g3g==, tableContent=null), ArticleFig(id=1240594170021212301, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.8, caption=
Deformation mode with the same mass, figureFileSmall=tbmZ1yibWjgN+eiosmhHCQ==, figureFileBig=dG4lP9g+Yd6ZQ9RRjQQN/Q==, tableContent=null), ArticleFig(id=1240594170134458518, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图8, caption=
相同质量下的变形模式, figureFileSmall=tbmZ1yibWjgN+eiosmhHCQ==, figureFileBig=dG4lP9g+Yd6ZQ9RRjQQN/Q==, tableContent=null), ArticleFig(id=1240594170256093341, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.9, caption=
Curves of force-displacement and energy absorption-displacement with the same wall thickness, figureFileSmall=DOkUeYCiJC7f/iiDVvlMAQ==, figureFileBig=5dnCJ6iTPGLECJ3Heam5PQ==, tableContent=null), ArticleFig(id=1240594170394505376, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图9, caption=
相同壁厚条件下的力-位移和能量吸收-位移曲线, figureFileSmall=DOkUeYCiJC7f/iiDVvlMAQ==, figureFileBig=5dnCJ6iTPGLECJ3Heam5PQ==, tableContent=null), ArticleFig(id=1240594170486780074, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.10, caption=
Crashworthiness analysis of multicellular tubes with the same wall thickness, figureFileSmall=gJibQtfFO8D+GVNeqfuXyQ==, figureFileBig=pNNovI+L52oIhRS6y1IKsQ==, tableContent=null), ArticleFig(id=1240594170566471857, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图10, caption=
相同壁厚下多胞方管耐撞性分析, figureFileSmall=gJibQtfFO8D+GVNeqfuXyQ==, figureFileBig=pNNovI+L52oIhRS6y1IKsQ==, tableContent=null), ArticleFig(id=1240594170692300981, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.11, caption=
Deformation mode with the same wall thickness, figureFileSmall=f4+kEV67zPxX+HEkT6nlXw==, figureFileBig=SueSMIEYFfhYJvStR7+Q7A==, tableContent=null), ArticleFig(id=1240594170784575674, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图11, caption=
相同壁厚下的变形模式, figureFileSmall=f4+kEV67zPxX+HEkT6nlXw==, figureFileBig=SueSMIEYFfhYJvStR7+Q7A==, tableContent=null), ArticleFig(id=1240594170872656067, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.12, caption=
Influence of shape factor k on structural crashworthiness, figureFileSmall=AVKsDkAYJste3hkfQrt4iA==, figureFileBig=SYe0QTvFUB89BHp6YRxIGA==, tableContent=null), ArticleFig(id=1240594170969125070, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图12, caption=
形状系数k对结构耐撞性的影响, figureFileSmall=AVKsDkAYJste3hkfQrt4iA==, figureFileBig=SYe0QTvFUB89BHp6YRxIGA==, tableContent=null), ArticleFig(id=1240594171090759893, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Fig.13, caption=
Influence of wall thickness on structural crashworthiness, figureFileSmall=CmLIqpXrFm9UBtDgmNt5Hg==, figureFileBig=sAnJBNR5B5vJjssXpZx+Rw==, tableContent=null), ArticleFig(id=1240594171178840285, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=图13, caption=
壁厚对结构耐撞性的影响, figureFileSmall=CmLIqpXrFm9UBtDgmNt5Hg==, figureFileBig=sAnJBNR5B5vJjssXpZx+Rw==, tableContent=null), ArticleFig(id=1240594171262726373, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Tab. 1, caption=
Crashworthiness data of multicellular tubes with the same mass
, figureFileSmall=null, figureFileBig=null, tableContent=
| k | t/mm | m/kg | EEA/J | ESEA/(kJ/kg) | FPCF/kN | CCFE/% |
|---|
| 0.00 | 1.500 | 0.073 5 | 832.42 | 11.33 | 23.10 | 39.93 |
| 0.15 | 0.682 | 0.073 5 | 940.08 | 12.79 | 22.09 | 44.80 |
| 0.25 | 0.633 | 0.073 5 | 985.91 | 13.41 | 21.70 | 47.83 |
| 0.40 | 0.558 | 0.073 5 | 780.36 | 10.62 | 20.63 | 39.82 |
| 0.50 | 0.680 | 0.073 5 | 916.62 | 12.47 | 21.81 | 44.24 |
), ArticleFig(id=1240594171359195372, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=表1, caption=
相同质量下多胞方管耐撞性数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| k | t/mm | m/kg | EEA/J | ESEA/(kJ/kg) | FPCF/kN | CCFE/% |
|---|
| 0.00 | 1.500 | 0.073 5 | 832.42 | 11.33 | 23.10 | 39.93 |
| 0.15 | 0.682 | 0.073 5 | 940.08 | 12.79 | 22.09 | 44.80 |
| 0.25 | 0.633 | 0.073 5 | 985.91 | 13.41 | 21.70 | 47.83 |
| 0.40 | 0.558 | 0.073 5 | 780.36 | 10.62 | 20.63 | 39.82 |
| 0.50 | 0.680 | 0.073 5 | 916.62 | 12.47 | 21.81 | 44.24 |
), ArticleFig(id=1240594172911087862, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=EN, label=Tab.2, caption=
Crashworthiness data of multicellular tubes with the same wall thickness
, figureFileSmall=null, figureFileBig=null, tableContent=
| k | t/mm | m/kg | EEA/J | ESEA/(kJ/kg) | FPCF/kN | CCFE/% |
|---|
| 0.00 | 1.2 | 0.058 8 | 648.26 | 11.03 | 17.72 | 38.51 |
| 0.15 | 1.2 | 0.129 2 | 2 087.72 | 16.15 | 44.79 | 49.06 |
| 0.25 | 1.2 | 0.139 2 | 2 668.79 | 19.17 | 43.83 | 58.73 |
| 0.40 | 1.2 | 0.158 0 | 2 662.46 | 16.86 | 53.70 | 52.19 |
| 0.50 | 1.2 | 0.129 7 | 2 277.74 | 17.56 | 44.10 | 54.37 |
), ArticleFig(id=1240594173057888506, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1240594156792378059, language=CN, label=表2, caption=
相同壁厚条件下的多胞方管耐撞性数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| k | t/mm | m/kg | EEA/J | ESEA/(kJ/kg) | FPCF/kN | CCFE/% |
|---|
| 0.00 | 1.2 | 0.058 8 | 648.26 | 11.03 | 17.72 | 38.51 |
| 0.15 | 1.2 | 0.129 2 | 2 087.72 | 16.15 | 44.79 | 49.06 |
| 0.25 | 1.2 | 0.139 2 | 2 668.79 | 19.17 | 43.83 | 58.73 |
| 0.40 | 1.2 | 0.158 0 | 2 662.46 | 16.86 | 53.70 | 52.19 |
| 0.50 | 1.2 | 0.129 7 | 2 277.74 | 17.56 | 44.10 | 54.37 |
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