Article(id=1209862449570902438, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1209862447645716861, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20230256, 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=1766383286135, onlineDateStr=2025-12-22, pubDate=1713542400000, pubDateStr=2024-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766383286135, onlineIssueDateStr=2025-12-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766383286135, creator=13701087609, updateTime=1766383286135, updator=13701087609, issue=Issue{id=1209862447645716861, tenantId=1146029695717560320, journalId=1189873562199433220, year='2024', volume='', issue='4', 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=1766383285676, creator=13701087609, updateTime=1766383285676, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=17, endPage=21, ext={EN=ArticleExt(id=1209862449864503735, articleId=1209862449570902438, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Research and Analysis of Assembly Performance of Return Pipe Joint, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
With the stress value, the maximum contact pressure and the compression force as evaluation basis, the influence of the straight line length of the return pipe joint and the return pipe on the assembly of the structure was studied by using the finite element simulation analysis method. With the increase of the length of the straight line, the stress value of the joint and the return pipe decreases gradually, and the maximum stress value of the joint and the return pipe is 650% and 295.2% larger than the minimum stress value, respectively. The maximum contact pressure of the inner liner and the outer liner also decreases gradually, and the maximum contact pressure of the inner liner and the outer liner is 384.9% and 290.2% greater than the minimum value. The pressing force gradually decreases, and the maximum value is 678.8% greater than the minimum value. The research results show that change of the length of the straight line has a significant impact on the assembly performance of the structure.
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基于回形管接头与回形管的直线段长度对该结构装配性能的影响展开分析,以应力值、最大接触压力和压装力作为评价依据,采用有限元仿真分析的方法进行研究。随着直线段长度逐渐增加,接头和回形管的应力值逐渐减小,接头、回形管中的应力最大值比最小值分别大650%与295.2%;内衬、外衬的最大接触压力也在逐渐减小,内衬、外衬的最大接触压力的最大值比最小值分别大384.9%与290.2%;压装力逐渐减小,其中最大值比最小值大678.8%。研究表明:直线段长度的变化对结构装配性能的影响显著。
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董飞(1990—),男,硕士学位,研究方向为复合增强材料仿真分析技术。
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董飞(1990—),男,硕士学位,研究方向为复合增强材料仿真分析技术。
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董飞(1990—),男,硕士学位,研究方向为复合增强材料仿真分析技术。
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| 参数 | R1 | r1 | R2 | r2 | L1 | L2 |
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| 参数 | R3 | r3 | L3 | h |
| 尺寸/mm | 3.05 | 2 | 1~5 | 5 |
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| 部件名称 | 弹性模量/MPa | 泊松比 | 密度 /kg·m-3 | 屈服强度 /MPa |
回形管 接头 | 6 900 | 0.34 | 1 300 | 158 |
| 回形管 | 880 | 0.40 | 1 020 | 41 |
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| 部件名称 | 弹性模量/MPa | 泊松比 | 密度 /kg·m-3 | 屈服强度 /MPa |
回形管 接头 | 6 900 | 0.34 | 1 300 | 158 |
| 回形管 | 880 | 0.40 | 1 020 | 41 |
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