Article(id=1154021703849071342, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1154021703362532078, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2024.12.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1719763200000, receivedDateStr=2024-07-01, revisedDate=1724947200000, revisedDateStr=2024-08-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1753069814883, onlineDateStr=2025-07-21, pubDate=1735056000000, pubDateStr=2024-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753069814883, onlineIssueDateStr=2025-07-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753069814883, creator=13701087609, updateTime=1753069814883, updator=13701087609, issue=Issue{id=1154021703362532078, tenantId=1146029695717560320, journalId=1146120084050784272, year='2024', volume='46', issue='12', pageStart='2143', pageEnd='2354', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=0, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753069814768, creator=13701087609, updateTime=1753074363847, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1154040783624724753, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1154021703362532078, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1154040783624724754, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1154021703362532078, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2200, endPage=2208, ext={EN=ArticleExt(id=1154021704381747952, articleId=1154021703849071342, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Lightweight Bus Frame Based on Static Strength and Rollover Safety, columnId=1170310431202619715, journalTitle=Automotive Engineering, columnName=Feature Topic: Automotive Structural Integration Design and Manufacturing Technology, runingTitle=null, highlight=null, articleAbstract=
In order to adapt to the development of urban electric buses and the needs of national energy conservation and environmental protection policies,a lightweight method for vehicle body structure is proposed in this paper based on sensitivity analysis of the static strength and rollover safety performance of electric buses. Firstly,a finite element model of a certain electric bus is established,and the static strength and rollover safety analysis of the body structure is conducted through the finite element method. Secondly,sensitivity analysis of the static strength and rollover safety of the vehicle body under bending and twisting conditions is conducted on the finite element model. Based on the sensitivity analysis results,the component plate thickness that is beneficial for lightweighting and has little impact on the static strength and rollover safety of the vehicle body is selected as the design variable. The size optimization is carried out with the goal of minimizing the mass of the vehicle body skeleton,and the constraint that the maximum von Mises stress of each material unit does not exceed its material yield strength. The optimization results indicate that the static strength and rollover safety performance of the vehicle body structure meet regulatory requirements,and the weight of the vehicle body frame is reduced by 3.8%.
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为适应城市电动客车的发展以及国家节能环保政策的需要,提出了一种基于电动客车静强度和侧翻安全性能的灵敏度分析的车身结构轻量化方法。首先建立某电动客车的有限元模型,通过有限元方法对车身结构进行静强度和侧翻安全性分析。其次对有限元模型进行弯曲、弯扭工况下的车身静强度和侧翻安全性的灵敏度分析。基于灵敏度分析结果,筛选出有利于轻量化且对车身静强度和侧翻安全性影响不大的部件板厚为设计变量,以车身骨架质量最小为目标,以各材料所在单元的最大vonMises应力不超过其材料屈服强度为约束,进行尺寸优化。优化结果表明,车身结构静强度和侧翻安全性能满足法规要求,且车身骨架质量减轻了3.8%。
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Changchun: Jilin University,2017., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1170310943595569341, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, xref=null, ext=[AuthorCompanyExt(id=1170310943603957950, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, companyId=1170310943595569341, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Automotive Studies,Tongji University,Shanghai 201800), AuthorCompanyExt(id=1170310943679455423, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, companyId=1170310943595569341, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=同济大学汽车学院,上海 201800)])], figs=[ArticleFig(id=1170310945432674521, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=jCmCpAhKRFYkAf4pMImpAg==, figureFileBig=v/EZDwSkh8UTMwlCwtT1lw==, tableContent=null), ArticleFig(id=1170310945487200474, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图1, caption=
基于静强度和侧翻安全性的轻量化方法, figureFileSmall=jCmCpAhKRFYkAf4pMImpAg==, figureFileBig=v/EZDwSkh8UTMwlCwtT1lw==, tableContent=null), ArticleFig(id=1170310945537532123, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=9TlUnOP0YjKsovpeGj0eBA==, figureFileBig=rIhRQOGa93SlSqp6OOl+vQ==, tableContent=null), ArticleFig(id=1170310945596252380, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图2, caption=
车体有限元模型, figureFileSmall=9TlUnOP0YjKsovpeGj0eBA==, figureFileBig=rIhRQOGa93SlSqp6OOl+vQ==, tableContent=null), ArticleFig(id=1170310945671749853, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=5c33+w1hJnKbePOoXba4Vw==, figureFileBig=sWb46JbpLImqHUxrI7/i6A==, tableContent=null), ArticleFig(id=1170310945751441630, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图3, caption=
乘员生存空间, figureFileSmall=5c33+w1hJnKbePOoXba4Vw==, figureFileBig=sWb46JbpLImqHUxrI7/i6A==, tableContent=null), ArticleFig(id=1170310945822744799, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=eYy9pro6+KGIOY826KvmKw==, figureFileBig=q01pYSzRQ84lO07D2n3yig==, tableContent=null), ArticleFig(id=1170310945877270752, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图4, caption=
侧翻碰撞仿真分析模型, figureFileSmall=eYy9pro6+KGIOY826KvmKw==, figureFileBig=q01pYSzRQ84lO07D2n3yig==, tableContent=null), ArticleFig(id=1170310945931796705, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=5Gybc5DhInSniyEZ6kXfCg==, figureFileBig=PDowIY3+ZAnlAO42aOrxTw==, tableContent=null), ArticleFig(id=1170310946007294178, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图5, caption=
侧翻过程能量曲线, figureFileSmall=5Gybc5DhInSniyEZ6kXfCg==, figureFileBig=PDowIY3+ZAnlAO42aOrxTw==, tableContent=null), ArticleFig(id=1170310946078597347, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=AW6v7aTtUSFvn5ijx/nWiQ==, figureFileBig=JjoAVwp7VmKVr6JuujXkAg==, tableContent=null), ArticleFig(id=1170310946145706212, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图6, caption=
MC1车侧翻时序图, figureFileSmall=AW6v7aTtUSFvn5ijx/nWiQ==, figureFileBig=JjoAVwp7VmKVr6JuujXkAg==, tableContent=null), ArticleFig(id=1170310946217009381, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=mZyPu3MRTD7IpGfOZCYxSA==, figureFileBig=CPz58p1uwCNlfRBirjhMFg==, tableContent=null), ArticleFig(id=1170310946292506854, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图7, caption=
生存空间上极限点与右侧围横向间距, figureFileSmall=mZyPu3MRTD7IpGfOZCYxSA==, figureFileBig=CPz58p1uwCNlfRBirjhMFg==, tableContent=null), ArticleFig(id=1170310946401558759, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=9sgc+O9a1g2/UloXTeiSMw==, figureFileBig=GT3wlQYC5aFEXhbiaWIU/w==, tableContent=null), ArticleFig(id=1170310946489639144, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图8, caption=
各设计变量对质量的灵敏度结果, figureFileSmall=9sgc+O9a1g2/UloXTeiSMw==, figureFileBig=GT3wlQYC5aFEXhbiaWIU/w==, tableContent=null), ArticleFig(id=1170310946573525225, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=Cnv47DuXaIBkBT8QBC0wQA==, figureFileBig=O7n2cQUutTb3+XsDv4FktQ==, tableContent=null), ArticleFig(id=1170310946632245482, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图9, caption=
部分单元应力较大时各设计变量对静强度的灵敏度结果, figureFileSmall=Cnv47DuXaIBkBT8QBC0wQA==, figureFileBig=O7n2cQUutTb3+XsDv4FktQ==, tableContent=null), ArticleFig(id=1170310946703548651, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=/P+WFVPCENMygrJvvB0sUA==, figureFileBig=TeCDD515Wa/4etNZ5StVrg==, tableContent=null), ArticleFig(id=1170310946753880300, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图10, caption=
基于静强度灵敏度分析选取的设计变量, figureFileSmall=/P+WFVPCENMygrJvvB0sUA==, figureFileBig=TeCDD515Wa/4etNZ5StVrg==, tableContent=null), ArticleFig(id=1170310946816794861, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=23IGW9c5E6q3zAteUZu+3A==, figureFileBig=QwC/Do9d77tDwEZDyj+5WA==, tableContent=null), ArticleFig(id=1170310946883903726, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图11, caption=
各个生存空间客车车身骨架侧翻安全性的贡献度, figureFileSmall=23IGW9c5E6q3zAteUZu+3A==, figureFileBig=QwC/Do9d77tDwEZDyj+5WA==, tableContent=null), ArticleFig(id=1170310946967789807, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=j+gvOFDq0A29J9P6wslICw==, figureFileBig=yWuAlZ80XgQ2bpbHceL7fQ==, tableContent=null), ArticleFig(id=1170310947026510064, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图12, caption=
基于各设计变量对侧翻安全性灵敏度结果选取的设计变量, figureFileSmall=j+gvOFDq0A29J9P6wslICw==, figureFileBig=yWuAlZ80XgQ2bpbHceL7fQ==, tableContent=null), ArticleFig(id=1170310947102007537, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=oH5kCo9EF7bWccJ167pXBg==, figureFileBig=2rZC5VkHekHgFVv7lVmUaA==, tableContent=null), ArticleFig(id=1170310947164922098, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图13, caption=
最终筛选出优化的变量, figureFileSmall=oH5kCo9EF7bWccJ167pXBg==, figureFileBig=2rZC5VkHekHgFVv7lVmUaA==, tableContent=null), ArticleFig(id=1170310947219448051, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=CB1dWP/GWY+Df6x0hREtCw==, figureFileBig=/JIsaV1Jc2hIPrJlySleKg==, tableContent=null), ArticleFig(id=1170310947278168308, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图14, caption=
迭代优化历程图, figureFileSmall=CB1dWP/GWY+Df6x0hREtCw==, figureFileBig=/JIsaV1Jc2hIPrJlySleKg==, tableContent=null), ArticleFig(id=1170310947349471477, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=tmDwzYPJ3mwM3jMmGGxtOA==, figureFileBig=5y4PJiOGQ9C4YlVONy/nUw==, tableContent=null), ArticleFig(id=1170310947424968950, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=图15, caption=
优化后生存空间上极限点与右侧围横向间距, figureFileSmall=tmDwzYPJ3mwM3jMmGGxtOA==, figureFileBig=5y4PJiOGQ9C4YlVONy/nUw==, tableContent=null), ArticleFig(id=1170310947479494903, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 计算工况 | 应力/MPa | 屈服强度/MPa | 材料牌号 | 应力所在位置 |
| 弯曲工况 | 366.90 | 480.00 | SUS301L-MT | 右侧第1根斜梁 |
| 弯扭组合工况1 | 334.82 | 410.00 | SUS301L-ST | 左侧第2根立柱与顶部边梁连接处 |
| 弯扭组合工况2 | 368.86 | 410.00 | SUS301L-ST | 右侧第2根立柱与顶部边梁连接处 |
), ArticleFig(id=1170310947554992376, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=表1, caption=
不同工况最大应力及位置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 计算工况 | 应力/MPa | 屈服强度/MPa | 材料牌号 | 应力所在位置 |
| 弯曲工况 | 366.90 | 480.00 | SUS301L-MT | 右侧第1根斜梁 |
| 弯扭组合工况1 | 334.82 | 410.00 | SUS301L-ST | 左侧第2根立柱与顶部边梁连接处 |
| 弯扭组合工况2 | 368.86 | 410.00 | SUS301L-ST | 右侧第2根立柱与顶部边梁连接处 |
), ArticleFig(id=1170310947634684153, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 计算工况 | 应力/MPa | 材料屈服 强度/MPa | 材料牌号 | 应力所在位置 |
| 弯曲工况 | 446.72 | 685.00 | SUS301L-HT | 顶盖左侧安装座 |
| 弯扭组合 工况1 | 373.69 | 410.00 | SUS301L-ST | 右侧空气弹簧封板与地板连接处 |
| 弯扭组合 工况2 | 361.37 | 480.00 | SUS31L-MT | 右侧第5根立柱连接板 |
), ArticleFig(id=1170310947714375930, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021703849071342, language=CN, label=表2, caption=
优化后不同工况的最大应力及位置
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| 计算工况 | 应力/MPa | 材料屈服 强度/MPa | 材料牌号 | 应力所在位置 |
| 弯曲工况 | 446.72 | 685.00 | SUS301L-HT | 顶盖左侧安装座 |
| 弯扭组合 工况1 | 373.69 | 410.00 | SUS301L-ST | 右侧空气弹簧封板与地板连接处 |
| 弯扭组合 工况2 | 361.37 | 480.00 | SUS31L-MT | 右侧第5根立柱连接板 |
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