Article(id=1210387654873584361, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1210383066325971495, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20230381, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1766508504836, onlineDateStr=2025-12-24, pubDate=1705680000000, pubDateStr=2024-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766508504836, onlineIssueDateStr=2025-12-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766508504836, creator=13701087609, updateTime=1766508504836, updator=13701087609, issue=Issue{id=1210383066325971495, tenantId=1146029695717560320, journalId=1189873562199433220, year='2024', volume='', issue='1', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766507410842, creator=13701087609, updateTime=1766507410842, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=7, endPage=14, ext={EN=ArticleExt(id=1210387655154602731, articleId=1210387654873584361, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Research on Solving Failure Parameters of Self-Piercing Riveting Connection in Vehicle Crashworthiness Simulation, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
A Ls-dyna software based self-piercing riveting joint simulation method for vehicle crashworthiness analysis of was proposed in this research. Method of solving failure parameters for self-piercing riveting joint was studied based on the combination of finite element analysis and test in different forced states, thus improving simulation calculation efficiency while ensuring simulation accuracy. Firstly, a refined simulation model for riveted joints was established based on experimental design, afterwards, a simplified simulation model was established using *CONSTRAINED_SPR2. Using the extracted values from experimental and refined simulation results as simplified parameter inputs can greatly improve the calculation speed of the vehicle crash crashworthiness model. Through this study, it is shown that this method can achieve a simulation accuracy of over 90% for the peak failure force of the self-piercing riveting joint through calibration with experimental results, and can be applied to crashworthiness analysis of complete vehicle model.
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研究提出了一种基于Ls-dyna软件的自冲铆连接整车耐撞仿真方法,结合不同受力状态下的试验及有限元分析,求解不同受力状态下的自冲铆连接的失效参数,从而在保证仿真精度的同时提升仿真计算效率。在基于试验设计的基础上,首先建立了铆接接头的精细仿真模型,并利用*CONSTRAINED_SPR2建立了简化的仿真模型,以试验与精细仿真结果的提取值作为简化参数输入,可极大提高整车耐撞模型的运算速度。该方法通过与试验结果标定分析,可实现自冲铆连接失效力峰值仿真精度达90%以上,可应用于整车级耐撞分析。
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籍龙波(1994—),男,高级工程师,硕士学位,研究方向为安全性能设计、碰撞安全仿真分析、轻量化技术。
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籍龙波(1994—),男,高级工程师,硕士学位,研究方向为安全性能设计、碰撞安全仿真分析、轻量化技术。
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铆接失效参数求解流程, figureFileSmall=E5qUuW+vECbo8PzPEpHd2w==, figureFileBig=AekBRn+ZE5hB5LhmeEzwkg==, tableContent=null), ArticleFig(id=1210387659369878313, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=FwaNHwMh60k2LMmYE/z9iw==, figureFileBig=bDQp7z45IJPzf2MZAs7X/w==, tableContent=null), ArticleFig(id=1210387659428598570, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=图2, caption=
铆接接头金相剖面与对应的精细仿真网格划分, figureFileSmall=FwaNHwMh60k2LMmYE/z9iw==, figureFileBig=bDQp7z45IJPzf2MZAs7X/w==, tableContent=null), ArticleFig(id=1210387659483124523, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=dTqFL7EF6Ih5milCfXfQ1Q==, figureFileBig=D235tti5Rw6fAJ3cockCqw==, tableContent=null), ArticleFig(id=1210387659541844780, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=图3, caption=
自冲铆接接头建模方法, figureFileSmall=dTqFL7EF6Ih5milCfXfQ1Q==, figureFileBig=D235tti5Rw6fAJ3cockCqw==, tableContent=null), ArticleFig(id=1210387659604759341, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=Io1W/a6BfF2pAyJhrAoCgw==, figureFileBig=GaGoqIm9hY+BWD0YBygAzw==, tableContent=null), ArticleFig(id=1210387659655090990, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=图4, caption=
搭接接头仿真工况及铆接接头建模, figureFileSmall=Io1W/a6BfF2pAyJhrAoCgw==, figureFileBig=GaGoqIm9hY+BWD0YBygAzw==, tableContent=null), ArticleFig(id=1210387659705422639, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=Sc0ZbJwkWeErP9LdsmQJUw==, figureFileBig=CgRPpRwU2p11sIoASXhjYQ==, tableContent=null), ArticleFig(id=1210387659755754288, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=图5, caption=
不同工况仿真与试验失效模式对比, figureFileSmall=Sc0ZbJwkWeErP9LdsmQJUw==, figureFileBig=CgRPpRwU2p11sIoASXhjYQ==, tableContent=null), ArticleFig(id=1210387659810280241, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=pryIzTj6+dHrpx+rksyExw==, figureFileBig=IbVfSTSQYGJNW/DQ3BT4IA==, tableContent=null), ArticleFig(id=1210387659860611890, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=图6, caption=
不同工况精细仿真试验载荷-位移对比, figureFileSmall=pryIzTj6+dHrpx+rksyExw==, figureFileBig=IbVfSTSQYGJNW/DQ3BT4IA==, tableContent=null), ArticleFig(id=1210387659915137843, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=m6IWAnyCU+kT9qaWW4ZGpQ==, figureFileBig=Dgn6+VsV8IIjBCzpdmV5KA==, tableContent=null), ArticleFig(id=1210387659965469492, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=图7, caption=
自冲铆搭接工况简化仿真网格划分示意, figureFileSmall=m6IWAnyCU+kT9qaWW4ZGpQ==, figureFileBig=Dgn6+VsV8IIjBCzpdmV5KA==, tableContent=null), ArticleFig(id=1210387660045161269, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=5yNaSVBNkW/2GfYHUSkBAA==, figureFileBig=zJT9gOl7Co96aOd4CVdXOQ==, tableContent=null), ArticleFig(id=1210387660108075830, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=图8, caption=
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自冲铆失效参数求解及标定流程, figureFileSmall=9GqryEdFfnkgGlm+jSiENw==, figureFileBig=XyoM/Zjn6C/KW4YUueMNyw==, tableContent=null), ArticleFig(id=1210387660506534717, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=YqIbBSpQMCFw8+pEoJrwtw==, figureFileBig=TIQq9YfH1vUucTG6xpzAjg==, tableContent=null), ArticleFig(id=1210387660561060670, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=图12, caption=
不同工况简化仿真试验载荷-位移对比, figureFileSmall=YqIbBSpQMCFw8+pEoJrwtw==, figureFileBig=TIQq9YfH1vUucTG6xpzAjg==, tableContent=null), ArticleFig(id=1210387660619780927, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 密度Ρ /kgˑm-3 | 弹性模量E /GPa | 泊松比 | 屈服强度σs /MPa | 抗拉强度σb /MPa | 延伸率Ψ/% |
| 6061-T6 | 2 710 | 69 | 0.3 | 278 | 357 | 18.4 |
| DP590 | 7 850 | 210 | 0.3 | 400 | 626 | 29.2 |
| 铆钉 | 7 850 | 210 | 0.3 | 1 052 | | |
), ArticleFig(id=1210387660678501184, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=表1, caption=
基材与铆钉的材料参数
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| 材料 | 密度Ρ /kgˑm-3 | 弹性模量E /GPa | 泊松比 | 屈服强度σs /MPa | 抗拉强度σb /MPa | 延伸率Ψ/% |
| 6061-T6 | 2 710 | 69 | 0.3 | 278 | 357 | 18.4 |
| DP590 | 7 850 | 210 | 0.3 | 400 | 626 | 29.2 |
| 铆钉 | 7 850 | 210 | 0.3 | 1 052 | | |
), ArticleFig(id=1210387660737221441, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 失效模式 | 试验与仿真一致性 |
| 搭接 | 下层铝板拉延失效 | 一致 |
| T型剥离 | 铆钉内锁失效 | 一致 |
| 十字拉伸 | 铆钉内锁失效 | 一致 |
| H型0° | 铆钉内锁失效 | 一致 |
| H型45° | 下层铝板拉延失效 | 一致 |
| H型90° | 下层铝板拉延失效 | 一致 |
), ArticleFig(id=1210387660804330306, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=表2, caption=
不同工况仿真与试验失效方式
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| 工况 | 失效模式 | 试验与仿真一致性 |
| 搭接 | 下层铝板拉延失效 | 一致 |
| T型剥离 | 铆钉内锁失效 | 一致 |
| 十字拉伸 | 铆钉内锁失效 | 一致 |
| H型0° | 铆钉内锁失效 | 一致 |
| H型45° | 下层铝板拉延失效 | 一致 |
| H型90° | 下层铝板拉延失效 | 一致 |
), ArticleFig(id=1210387660875633475, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 试验峰值载荷 /N | 精细仿真载荷 /N | 仿真精度 /% |
| 搭接 | 5 338 | 5 451 | 98 |
| T型剥离 | 654 | 687 | 95 |
| 十字拉伸 | 1 535 | 1 457 | 95 |
| H型0° | 1 632 | 1 487 | 91 |
| H型45° | 3 440 | 3 568 | 96 |
| H型90° | 6 145 | 6 268 | 98 |
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精细仿真与试验失效载荷对比
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| 工况 | 试验峰值载荷 /N | 精细仿真载荷 /N | 仿真精度 /% |
| 搭接 | 5 338 | 5 451 | 98 |
| T型剥离 | 654 | 687 | 95 |
| 十字拉伸 | 1 535 | 1 457 | 95 |
| H型0° | 1 632 | 1 487 | 91 |
| H型45° | 3 440 | 3 568 | 96 |
| H型90° | 6 145 | 6 268 | 98 |
), ArticleFig(id=1210387661022434117, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | ${f}_{n}^{max}$/kN | ${\delta }_{n}^{fail}$/mm | ${\delta }_{n}^{{f}_{n}^{max}}$ | ${\xi }_{n}$ |
| 数值 | 2.65 | 11.11 | 11.32 | 0.92 |
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拉拔工况精细模型输出参数
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| 参数 | ${f}_{n}^{max}$/kN | ${\delta }_{n}^{fail}$/mm | ${\delta }_{n}^{{f}_{n}^{max}}$ | ${\xi }_{n}$ |
| 数值 | 2.65 | 11.11 | 11.32 | 0.92 |
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| 参数 | ${f}_{t}^{max}$/kN | ${\delta }_{t}^{fail}$/mm | ${\delta }_{t}^{{f}_{t}^{max}}$ | ${\xi }_{t}$ |
| 数值 | 6.37 | 10.65 | 3.33 | 0.36 |
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剪切工况精细模型输出参数
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| 参数 | ${f}_{t}^{max}$/kN | ${\delta }_{t}^{fail}$/mm | ${\delta }_{t}^{{f}_{t}^{max}}$ | ${\xi }_{t}$ |
| 数值 | 6.37 | 10.65 | 3.33 | 0.36 |
), ArticleFig(id=1210387661278286665, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | ${\alpha }_{1}$ | ${\alpha }_{2}$ | ${\alpha }_{3}$ |
| 数值 | 6.22 | 8.74 | 3.54 |
), ArticleFig(id=1210387661345395530, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=表6, caption=
自冲铆角度相关参数
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| 参数 | ${\alpha }_{1}$ | ${\alpha }_{2}$ | ${\alpha }_{3}$ |
| 数值 | 6.22 | 8.74 | 3.54 |
), ArticleFig(id=1210387661404115787, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 接头形式 | 试验峰值载荷/N | 精细模型峰值载荷/N | 简化模型峰值载荷/N | 简化仿真精度/% |
| 搭接 | 5 338 | 5 451 | 5 736 | 93 |
| T型剥离 | 654 | 687 | 668 | 98 |
| 十字拉伸 | 1 535 | 1 457 | 1 583 | 97 |
| H型0° | 1 632 | 1 487 | 1 619 | 99 |
| H型45° | 3 440 | 3 568 | 3 390 | 99 |
| H型90° | 6 145 | 6 268 | 5 859 | 95 |
), ArticleFig(id=1210387661471224652, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1210387654873584361, language=CN, label=表7, caption=
简化仿真与试验失效载荷对比
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| 接头形式 | 试验峰值载荷/N | 精细模型峰值载荷/N | 简化模型峰值载荷/N | 简化仿真精度/% |
| 搭接 | 5 338 | 5 451 | 5 736 | 93 |
| T型剥离 | 654 | 687 | 668 | 98 |
| 十字拉伸 | 1 535 | 1 457 | 1 583 | 97 |
| H型0° | 1 632 | 1 487 | 1 619 | 99 |
| H型45° | 3 440 | 3 568 | 3 390 | 99 |
| H型90° | 6 145 | 6 268 | 5 859 | 95 |
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