Article(id=1209862450086801858, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1209862447645716861, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20230182, 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=1766383286257, onlineDateStr=2025-12-22, pubDate=1713542400000, pubDateStr=2024-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766383286257, onlineIssueDateStr=2025-12-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766383286257, creator=13701087609, updateTime=1766538914943, 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=8, endPage=12, ext={EN=ArticleExt(id=1209862450288128464, articleId=1209862450086801858, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=CAE Analysis and Optimization of the Stiffness and Impact Resistance on Underbody Protection Panel, columnId=null, journalTitle=Automobile Technology &Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
With a car underbody protection panel as the research object, a solid model of the underbody protection panel was established using CATIA software. The finite element analysis software Hyperworks was used to simulate and analyze the static load and impact resistance performance of the car underbody protection panel, evaluate the effects of factors including fixed solutions, reinforcement structure, material selection and etc. The simulation results provide a theoretical basis for the design and material selection of the car underbody protection panel structure.
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以某车型车底护板为研究对象,采用CATIA软件建立车底护板实体模型,使用有限元分析软件Hyperworks对车底护板进行静态载荷和抗冲击性能仿真分析,评估固定方案、加强筋结构以及材料选择等因素的影响,为车底护板结构设计和材料选择提供理论依据。
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龚元明(1979—),男,高级工程师,硕士学位,研究方向为汽车车身外饰件开发。
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龚元明(1979—),男,高级工程师,硕士学位,研究方向为汽车车身外饰件开发。
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龚元明(1979—),男,高级工程师,硕士学位,研究方向为汽车车身外饰件开发。
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keyword=车底护板), Keyword(id=1209880197852172551, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, orderNo=2, keyword=静态载荷), Keyword(id=1209880197940252937, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, orderNo=3, keyword=抗冲击), Keyword(id=1209880198036721933, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, orderNo=4, keyword=有限元分析)], refs=[Reference(id=1209880200834322798, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, doi=null, pmid=null, pmcid=null, year=2016, volume=null, issue=2, pageStart=20, pageEnd=24, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=常原, 贺斌, 陈丽华, journalName=汽车零部件, refType=null, unstructuredReference=常原, 贺斌, 陈丽华, 等. 整车前地板位置底部护板设计[J].
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22(8): 1832-1836+1841., articleTitle=汽车底部结构对气动特性影响的数值仿真与实验研究, refAbstract=null), Reference(id=1209880200976929138, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[3], rfOrder=2, authorNames=王萍萍, 夏汤忠, journalName=2010中国汽车工程学会年会论文集, refType=null, unstructuredReference=王萍萍, 夏汤忠. CAE技术在某发动机下护板国产化中的应用[C]//
2010中国汽车工程学会年会论文集. 北京: 机械工业出版社., articleTitle=CAE技术在某发动机下护板国产化中的应用, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1209880195901821098, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, xref=null, ext=[AuthorCompanyExt(id=1209880195906015403, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, companyId=1209880195901821098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=FAW-Volkswagen Automotive Co., Ltd., Changchun 130011), AuthorCompanyExt(id=1209880195922792620, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, companyId=1209880195901821098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=一汽-大众汽车有限公司, 长春 130011)])], figs=[ArticleFig(id=1209880198288380183, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=qyXxgLYBasPwC1woqRE/Uw==, figureFileBig=KNdyn0G4TCnFTcFr8rSOhw==, tableContent=null), ArticleFig(id=1209880198355489053, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=图1, caption=
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车底护板不同固定方案示意, figureFileSmall=OaKQJzla+GYpT/m9RkwoCw==, figureFileBig=dLl/8aIKdi/8DK2uq/2xxw==, tableContent=null), ArticleFig(id=1209880199131435328, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=C36gZ37j+SliSNSxWSvG2A==, figureFileBig=xFmfGlNHABYDbXTVMnM6DQ==, tableContent=null), ArticleFig(id=1209880199202738498, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=图6, caption=
不同固定方案静态载荷分析, figureFileSmall=C36gZ37j+SliSNSxWSvG2A==, figureFileBig=xFmfGlNHABYDbXTVMnM6DQ==, tableContent=null), ArticleFig(id=1209880199295013191, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=qfoJ+2efy9yeZh52OmIIJg==, figureFileBig=61CaIx6+HSdsTmyrx0j5aw==, tableContent=null), ArticleFig(id=1209880199383093579, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=图7, caption=
不同固定方案落球冲击分析, figureFileSmall=qfoJ+2efy9yeZh52OmIIJg==, figureFileBig=61CaIx6+HSdsTmyrx0j5aw==, tableContent=null), ArticleFig(id=1209880199441813838, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=5bhI74o4ceOM5C0G4M7nzg==, figureFileBig=CPahX78S/W198s6/PuoLBA==, tableContent=null), ArticleFig(id=1209880199500534095, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=图8, caption=
车底护板不同加强结构示意, figureFileSmall=5bhI74o4ceOM5C0G4M7nzg==, figureFileBig=CPahX78S/W198s6/PuoLBA==, tableContent=null), ArticleFig(id=1209880199588614482, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=pFu8MGxqGOvlj0xbueE/rA==, figureFileBig=VL/kMpKI43rTbSefr+3Irw==, tableContent=null), ArticleFig(id=1209880199651529044, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=图9, caption=
不同加强结构静态载荷分析, figureFileSmall=pFu8MGxqGOvlj0xbueE/rA==, figureFileBig=VL/kMpKI43rTbSefr+3Irw==, tableContent=null), ArticleFig(id=1209880199714443608, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=0Z8uRcsTZrRzHIuuZj2mFw==, figureFileBig=juCwymKVVTW2lSCpR+5Wyg==, tableContent=null), ArticleFig(id=1209880199806718299, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=图10, caption=
不同加强结构落球冲击分析, figureFileSmall=0Z8uRcsTZrRzHIuuZj2mFw==, figureFileBig=juCwymKVVTW2lSCpR+5Wyg==, tableContent=null), ArticleFig(id=1209880199878021470, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=4ew0EA/5A1+dsLC2T0hHUQ==, figureFileBig=ds8rwOV/AO434w/9Q0TTww==, tableContent=null), ArticleFig(id=1209880199970296160, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=图11, caption=
不同材料底护板静态载荷分析, figureFileSmall=4ew0EA/5A1+dsLC2T0hHUQ==, figureFileBig=ds8rwOV/AO434w/9Q0TTww==, tableContent=null), ArticleFig(id=1209880200062570851, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=u5HHmwPUvjcggjwP13Jnkg==, figureFileBig=H3omu5ytf+UFRxIWj2Fydg==, tableContent=null), ArticleFig(id=1209880200142262630, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=图12, caption=
不同材料底护板落球冲击分析, figureFileSmall=u5HHmwPUvjcggjwP13Jnkg==, figureFileBig=H3omu5ytf+UFRxIWj2Fydg==, tableContent=null), ArticleFig(id=1209880200234537319, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=vwZNy2ePB19Sanc70hkIxw==, figureFileBig=Zc7WPJ0L5DNxMJqm/nYlpQ==, tableContent=null), ArticleFig(id=1209880200331006312, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=图13, caption=
不同材料底护板模态分析, figureFileSmall=vwZNy2ePB19Sanc70hkIxw==, figureFileBig=Zc7WPJ0L5DNxMJqm/nYlpQ==, tableContent=null), ArticleFig(id=1209880200410698090, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 材料1 | 材料2 | 材料3 | 材料4 | 材料5 |
| 材料种类 | PP+PE-MD05 | PP+PE+EPDM-MD33 | PP-GF20 | GMT | LWRT |
| 材料密度/g·cm-3 | 0.94 | 1.17 | 1.04 | 1.13 | 0.35 |
| 泊松比 | 0.41 | 0.38 | 0.43 | 0.33 | 0.18 |
| 弯曲强度/MPa | 1 100 | 1 622 | 3 630 | 4 300 | 1 020 |
| 断裂强度/MPa | 20.7 | 21 | 82.4 | 67.5 | 42.30 |
| 材料成本/元·kg-1 | 12.5 | 11 | 13 | 26.5 | 30 |
| 成形工艺 | 注塑 | 注塑 | 注塑/模压 | 模压 | 模压 |
), ArticleFig(id=1209880200482001258, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=CN, label=表1, caption=
常用车底护板材料的性能对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 材料1 | 材料2 | 材料3 | 材料4 | 材料5 |
| 材料种类 | PP+PE-MD05 | PP+PE+EPDM-MD33 | PP-GF20 | GMT | LWRT |
| 材料密度/g·cm-3 | 0.94 | 1.17 | 1.04 | 1.13 | 0.35 |
| 泊松比 | 0.41 | 0.38 | 0.43 | 0.33 | 0.18 |
| 弯曲强度/MPa | 1 100 | 1 622 | 3 630 | 4 300 | 1 020 |
| 断裂强度/MPa | 20.7 | 21 | 82.4 | 67.5 | 42.30 |
| 材料成本/元·kg-1 | 12.5 | 11 | 13 | 26.5 | 30 |
| 成形工艺 | 注塑 | 注塑 | 注塑/模压 | 模压 | 模压 |
), ArticleFig(id=1209880200561693037, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862450086801858, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | a | b | c |
| 1 | 330 | 80 | 100 |
| 2 | 430 | 100 | 115 |
| 3 | 630 | 120 | 130 |
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不同固定方案固定点位置尺寸 mm
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| 方案 | a | b | c |
| 1 | 330 | 80 | 100 |
| 2 | 430 | 100 | 115 |
| 3 | 630 | 120 | 130 |
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