Article(id=1153022346114879647, tenantId=1146029695717560320, journalId=1152916057816748034, issueId=1153022343707353180, articleNumber=null, orderNo=null, doi=10.3969/j.issn.2095–1469.2025.03.12, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1714406400000, receivedDateStr=2024-04-30, revisedDate=1716652800000, revisedDateStr=2024-05-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1752831549432, onlineDateStr=2025-07-18, pubDate=1747670400000, pubDateStr=2025-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752831549432, onlineIssueDateStr=2025-07-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752831549432, creator=13701087609, updateTime=1752831549432, updator=13701087609, issue=Issue{id=1153022343707353180, tenantId=1146029695717560320, journalId=1152916057816748034, year='2025', volume='15', issue='3', pageStart='263', pageEnd='426', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752831548859, creator=13701087609, updateTime=1757654056467, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1173249406712300330, tenantId=1146029695717560320, journalId=1152916057816748034, issueId=1153022343707353180, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1173249406712300331, tenantId=1146029695717560320, journalId=1152916057816748034, issueId=1153022343707353180, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=395, endPage=408, ext={EN=ArticleExt(id=1153022346408480928, articleId=1153022346114879647, tenantId=1146029695717560320, journalId=1152916057816748034, language=EN, title=Mesh Independence Analysis and Validation for Wheel Fatigue Life Simulations, columnId=1153756966938731297, journalTitle=Chinese Journal of Automotive Engineering, columnName=Other Technologies, runingTitle=null, highlight=
This paper investigates the mesh independence of wheel fatigue life simulations. To address issues such as long fatigue assessment cycles, high testing costs, and the strong influence of mesh size on the finite element simulation accuracy, fatigue life predictions were carried out using both the nominal stress method and the local stress-strain method. The mesh independence of the simulation results was verified based on the grid convergence index (GCI) theory, leading to the recommendation of an optimal mesh configuration for fatigue life simulation. A fatigue life simulation method is proposed with high-quality meshing and low error range, which provides a theoretical foundation for establishing mesh independence in fatigue life prediction. Taking an aluminum alloy wheel as the research object, the wheel was meshed with different grid sizes according to the GCI theory. Radial and bending static simulations of the wheel, as well as fatigue life prediction simulations, were then conducted. The simulation results under different grid sizes were analyzed and a criterion was proposed to assess the rationality of tetrahedral meshing for aluminum alloy passenger car wheel hubs. Corresponding verification analysis was conducted. The results show that the GCI can effectively supports the mesh independence analysis and validation in wheel fatigue life simulations. The results in this paper provide a reliable basis for evaluating the suitability of tetrahedral mesh sizes in such applications.
, articleAbstract=
This paper investigates the mesh independence of wheel fatigue life simulations. To address issues such as long fatigue assessment cycles, high testing costs, and the strong influence of mesh size on the finite element simulation accuracy, fatigue life predictions were carried out using both the nominal stress method and the local stress-strain method. The mesh independence of the simulation results was verified based on the grid convergence index (GCI) theory, leading to the recommendation of an optimal mesh configuration for fatigue life simulation. A fatigue life simulation method is proposed with high-quality meshing and low error range, which provides a theoretical foundation for establishing mesh independence in fatigue life prediction. Taking an aluminum alloy wheel as the research object, the wheel was meshed with different grid sizes according to the GCI theory. Radial and bending static simulations of the wheel, as well as fatigue life prediction simulations, were then conducted. The simulation results under different grid sizes were analyzed and a criterion was proposed to assess the rationality of tetrahedral meshing for aluminum alloy passenger car wheel hubs. Corresponding verification analysis was conducted. The results show that the GCI can effectively supports the mesh independence analysis and validation in wheel fatigue life simulations. The results in this paper provide a reliable basis for evaluating the suitability of tetrahedral mesh sizes in such applications.
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开展了车轮疲劳寿命仿真的网格无关性研究。针对疲劳评估试验周期长、成本高,且有限元仿真精度受网格尺寸影响较大等问题,基于名义应力法和局部应力-应变法进行了疲劳寿命预测,基于网格收敛指数(GCI)理论对疲劳寿命仿真结果进行了网格无关性验证,从而提出疲劳寿命仿真的最佳网格匹配。通过对比精确解的推导值,发现高质量网格、低误差范围的疲劳寿命模拟方法,从而为疲劳寿命预测的网格无关性理论构建奠定基础。以铝合金车轮为研究对象,根据GCI理论按照不同的网格尺寸对车轮进行了网格划分,开展了车轮的径向、弯曲静力仿真和疲劳寿命预测仿真,分析了不同网格尺寸下的仿真结果,提出了采用四面体离散化的铝合金乘用车轮毂网格尺寸合理性的判据,并进行了相应的验证分析,结果表明,GCI可以有效指导车轮疲劳寿命仿真的网格无关性分析与验证,提出的判据可以有效判断采用四面体离散化的铝合金乘用车轮毂网格尺寸的合理性。
, articleAbstract=
开展了车轮疲劳寿命仿真的网格无关性研究。针对疲劳评估试验周期长、成本高,且有限元仿真精度受网格尺寸影响较大等问题,基于名义应力法和局部应力-应变法进行了疲劳寿命预测,基于网格收敛指数(GCI)理论对疲劳寿命仿真结果进行了网格无关性验证,从而提出疲劳寿命仿真的最佳网格匹配。通过对比精确解的推导值,发现高质量网格、低误差范围的疲劳寿命模拟方法,从而为疲劳寿命预测的网格无关性理论构建奠定基础。以铝合金车轮为研究对象,根据GCI理论按照不同的网格尺寸对车轮进行了网格划分,开展了车轮的径向、弯曲静力仿真和疲劳寿命预测仿真,分析了不同网格尺寸下的仿真结果,提出了采用四面体离散化的铝合金乘用车轮毂网格尺寸合理性的判据,并进行了相应的验证分析,结果表明,GCI可以有效指导车轮疲劳寿命仿真的网格无关性分析与验证,提出的判据可以有效判断采用四面体离散化的铝合金乘用车轮毂网格尺寸的合理性。
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, authorsList=王诗豪, 李钟尧, 吴雪龙, 苗以升, 侯清怀, 郎玉玲, 孔德才, 马小英, 乔海波, 王俊升)}, authors=[Author(id=1175545671127020331, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=wangshihao0322@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1175545671185740589, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, authorId=1175545671127020331, language=EN, stringName=Shihao WANG, firstName=Shihao, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1175545671252849454, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, authorId=1175545671127020331, language=CN, stringName=王诗豪, firstName=诗豪, middleName=null, lastName=王, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 北京理工大学 机械与车辆学院,北京 100081, bio={"img":"e4+ZRG3KiDWtT82/EnOm2Q==","content":"
王诗豪(2001-),男,山东临沂人,硕士研究生,主要研究方向为乘用车车轮仿真分析。 E-mail:wangshihao0322@163.com
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王诗豪(2001-),男,山东临沂人,硕士研究生,主要研究方向为乘用车车轮仿真分析。 E-mail:wangshihao0322@163.com
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2017.(in Chinese), articleTitle=Optimal Design and Property Analysis of Aluminum Alloy Automobile Wheel Hub, refAbstract=null)], funds=[Fund(id=1175545676894188432, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, awardId=52073030, language=CN, fundingSource=国家自然科学基金项目(52073030), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1175545670615315229, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, xref=1, ext=[AuthorCompanyExt(id=1175545670644675358, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, companyId=1175545670615315229, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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车轮径向疲劳试验装置, figureFileSmall=7gpQSbq2+qb+cgbq1+j5gQ==, figureFileBig=PgCi35M9u0RUnZkya2J+Kg==, tableContent=null), ArticleFig(id=1175545674683790192, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=NqtgSWZAWp669lhj0IOuRA==, figureFileBig=tMVWVPC6DvF4knVyu69iiw==, tableContent=null), ArticleFig(id=1175545674738316145, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图4, caption=
余弦载荷施加, figureFileSmall=NqtgSWZAWp669lhj0IOuRA==, figureFileBig=tMVWVPC6DvF4knVyu69iiw==, tableContent=null), ArticleFig(id=1175545674788647794, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=igxsN4IQ2zR3cjzw9TmuIg==, figureFileBig=HwgDmc30TFG/L0FNKsePtA==, tableContent=null), ArticleFig(id=1175545674847368051, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图5, caption=
径向载荷施加, figureFileSmall=igxsN4IQ2zR3cjzw9TmuIg==, figureFileBig=HwgDmc30TFG/L0FNKsePtA==, tableContent=null), ArticleFig(id=1175545674901894004, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=txXvnQRR36DdjKpyS7zyrA==, figureFileBig=nVXWamqUk7Q/pAp4CY62Yg==, tableContent=null), ArticleFig(id=1175545674956419957, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图6, caption=
两种静力模型仿真时长, figureFileSmall=txXvnQRR36DdjKpyS7zyrA==, figureFileBig=nVXWamqUk7Q/pAp4CY62Yg==, tableContent=null), ArticleFig(id=1175545675019334518, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=VY1hvOxSlrf4FQ2SK5G9bg==, figureFileBig=bT9yKr3I2hSBkloEy2ItZQ==, tableContent=null), ArticleFig(id=1175545675078054775, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图7, caption=
最大Mises应力变化, figureFileSmall=VY1hvOxSlrf4FQ2SK5G9bg==, figureFileBig=bT9yKr3I2hSBkloEy2ItZQ==, tableContent=null), ArticleFig(id=1175545675132580728, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=AliDfjfSIs/7pML3yv4hJQ==, figureFileBig=Y/5yE15/0lOCieo0QWH46w==, tableContent=null), ArticleFig(id=1175545675195495289, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图8, caption=
网格尺寸为2.5 mm(a-1,b-1,c-1)、3.0 mm(a-2,b-2,c-2)时的径向仿真结果, figureFileSmall=AliDfjfSIs/7pML3yv4hJQ==, figureFileBig=Y/5yE15/0lOCieo0QWH46w==, tableContent=null), ArticleFig(id=1175545675241632634, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=P9IYNvSTAdhmgXgbJf6x3Q==, figureFileBig=BHGwGPoEhWW7iXrhQdd/1Q==, tableContent=null), ArticleFig(id=1175545675291964283, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图9, caption=
网格尺寸为2.5 mm(a-1,b-1,c-1)、3.0 mm(a-2,b-2,c-2)时的弯曲仿真结果, figureFileSmall=P9IYNvSTAdhmgXgbJf6x3Q==, figureFileBig=BHGwGPoEhWW7iXrhQdd/1Q==, tableContent=null), ArticleFig(id=1175545675359073148, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=sDD+A6AA4yLFo1Ft8pnCKA==, figureFileBig=kxpcqhAKRCco5rnEwbHjkw==, tableContent=null), ArticleFig(id=1175545675442959229, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图10, caption=
轮毂各部位应力随试验周期增量步(转动角度)变化, figureFileSmall=sDD+A6AA4yLFo1Ft8pnCKA==, figureFileBig=kxpcqhAKRCco5rnEwbHjkw==, tableContent=null), ArticleFig(id=1175545675497485182, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=NgB+LPKj4gxt4OpiB8TECA==, figureFileBig=2q+DVBnL3mDhfnJ39Um5vg==, tableContent=null), ArticleFig(id=1175545675585565567, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图11, caption=
径向仿真所得网格尺寸对应力、应变、寿命影响规律, figureFileSmall=NgB+LPKj4gxt4OpiB8TECA==, figureFileBig=2q+DVBnL3mDhfnJ39Um5vg==, tableContent=null), ArticleFig(id=1175545675635897216, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=qD1jp+84Edxt3TB3HRSjeA==, figureFileBig=1evXj9xsNAPfSZHusHqWiA==, tableContent=null), ArticleFig(id=1175545675761726337, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图12, caption=
网格尺寸为7 mm时,气门孔应力分布, figureFileSmall=qD1jp+84Edxt3TB3HRSjeA==, figureFileBig=1evXj9xsNAPfSZHusHqWiA==, tableContent=null), ArticleFig(id=1175545675816252290, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=XHaHpj0uXb8xgwx8N/xq4Q==, figureFileBig=ZUgNrABlRKX61Y9jDSEpkw==, tableContent=null), ArticleFig(id=1175545675921109891, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=图13, caption=
弯曲仿真所得网格尺寸对应力、应变、寿命影响规律, figureFileSmall=XHaHpj0uXb8xgwx8N/xq4Q==, figureFileBig=ZUgNrABlRKX61Y9jDSEpkw==, tableContent=null), ArticleFig(id=1175545675996607364, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料名称 | 密度/(kg/m3) | 杨氏模量/GPa | 泊松比 | 屈服强度/ MPa | 抗拉强度/MPa |
| A356 | 2 700 | 71 | 0.3 | 165 | 240 |
| 45钢 | 7 850 | 206 | 0.3 | 355 | 600 |
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A356铝合金和45钢的力学性能属性
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| 材料名称 | 密度/(kg/m3) | 杨氏模量/GPa | 泊松比 | 屈服强度/ MPa | 抗拉强度/MPa |
| A356 | 2 700 | 71 | 0.3 | 165 | 240 |
| 45钢 | 7 850 | 206 | 0.3 | 355 | 600 |
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| 使用载荷下的充气压力/kPa | 试验充气压力/kPa |
| ≤160 | 280 |
| 161~280 | 450 |
| 281~450 | 550 |
| ≥450 | ≥使用气压的1.2倍 |
), ArticleFig(id=1175545676239876999, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=表2, caption=
试验规定的充气压力[10]
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| 使用载荷下的充气压力/kPa | 试验充气压力/kPa |
| ≤160 | 280 |
| 161~280 | 450 |
| 281~450 | 550 |
| ≥450 | ≥使用气压的1.2倍 |
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| 仿真模型 | 编号 | 网格尺寸/mm | 网格数/万个 | 节点数/万个 | 应力/MPa | 位移/mm | 寿命/万次 |
| 径向仿真模型 | 1 | 2.5 | 284.88 | 420.36 | 97.2 | 1.347 | 165.40 |
| 2 | 3.0 | 181.45 | 271.28 | 97.0 | 1.347 | 167.09 |
| 3 | 4.0 | 88.40 | 134.89 | 95.5 | 1.344 | 174.43 |
| 4 | 5.0 | 50.40 | 86.30 | 89.6 | 1.344 | 183.72 |
| 5 | 7.0 | 27.41 | 44.05 | 102.9 | 1.341 | 124.77 |
| 弯曲仿真模型 | 1 | 2.5 | 272.05 | 400.49 | 160.2 | 0.423 | 12.00 |
| 2 | 3.0 | 175.04 | 261.69 | 159.9 | 0.423 | 12.40 |
| 3 | 4.0 | 88.34 | 134.25 | 153.9 | 0.423 | 16.20 |
| 4 | 5.0 | 52.08 | 81.34 | 140.4 | 0.422 | 20.10 |
| 5 | 7.0 | 23.14 | 37.46 | 136.9 | 0.421 | 23.30 |
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仿真数据汇总表
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| 仿真模型 | 编号 | 网格尺寸/mm | 网格数/万个 | 节点数/万个 | 应力/MPa | 位移/mm | 寿命/万次 |
| 径向仿真模型 | 1 | 2.5 | 284.88 | 420.36 | 97.2 | 1.347 | 165.40 |
| 2 | 3.0 | 181.45 | 271.28 | 97.0 | 1.347 | 167.09 |
| 3 | 4.0 | 88.40 | 134.89 | 95.5 | 1.344 | 174.43 |
| 4 | 5.0 | 50.40 | 86.30 | 89.6 | 1.344 | 183.72 |
| 5 | 7.0 | 27.41 | 44.05 | 102.9 | 1.341 | 124.77 |
| 弯曲仿真模型 | 1 | 2.5 | 272.05 | 400.49 | 160.2 | 0.423 | 12.00 |
| 2 | 3.0 | 175.04 | 261.69 | 159.9 | 0.423 | 12.40 |
| 3 | 4.0 | 88.34 | 134.25 | 153.9 | 0.423 | 16.20 |
| 4 | 5.0 | 52.08 | 81.34 | 140.4 | 0.422 | 20.10 |
| 5 | 7.0 | 23.14 | 37.46 | 136.9 | 0.421 | 23.30 |
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| 网格收敛指标 | 组号 | | | | | p | /% | /% | R |
| 径向仿真应力 | 1,2,3 | 0.002 | 0.015 | 1.16 | 1.26 | 7.87 | 0.116 | 0.374 | 0.13 |
| 2,3,4 | 0.015 | 0.062 | 1.26 | 1.19 | 8.49 | 0.316 | 2.285 | 0.25 |
| 3,4,5 | 0.062 | 0.148 | 1.19 | 1.25 | 3.91 | 7.940 | 13.260 | -0.44 |
| 径向仿真疲劳寿命 | 1,2,3 | 0.013 | 0.044 | 1.16 | 1.26 | 5.22 | 1.091 | 2.344 | 0.28 |
| 2,3,4 | 0.044 | 0.056 | 1.26 | 1.19 | 2.60 | 6.673 | 12.164 | 0.79 |
| 3,4,5 | 0.056 | 0.321 | 1.19 | 1.25 | 8.57 | 2.030 | 6.950 | -0.16 |
| 弯曲仿真应力 | 1,2,3 | 0.002 | 0.039 | 1.24 | 1.40 | 8.56 | 0.044 | 0.290 | 0.05 |
| 2,3,4 | 0.039 | 0.088 | 1.40 | 1.28 | 3.96 | 1.684 | 6.634 | 0.44 |
| 3,4,5 | 0.088 | 0.025 | 1.28 | 1.47 | 12.77 | 0.490 | 0.023 | 3.86 |
| 弯曲仿真疲劳寿命 | 1,2,3 | 0.033 | 0.306 | 1.24 | 1.40 | 1.503 | 1.620 | 5.479 | 0.11 |
| 2,3,4 | 0.306 | 0.241 | 1.40 | 1.28 | 1.16 | 80.158 | 118.464 | 0.97 |
| 3,4,5 | 0.241 | 0.159 | 1.28 | 1.47 | 3.93 | 18.389 | 5.614 | 1.22 |
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基于应力、疲劳寿命的GCI分析结果
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| 网格收敛指标 | 组号 | | | | | p | /% | /% | R |
| 径向仿真应力 | 1,2,3 | 0.002 | 0.015 | 1.16 | 1.26 | 7.87 | 0.116 | 0.374 | 0.13 |
| 2,3,4 | 0.015 | 0.062 | 1.26 | 1.19 | 8.49 | 0.316 | 2.285 | 0.25 |
| 3,4,5 | 0.062 | 0.148 | 1.19 | 1.25 | 3.91 | 7.940 | 13.260 | -0.44 |
| 径向仿真疲劳寿命 | 1,2,3 | 0.013 | 0.044 | 1.16 | 1.26 | 5.22 | 1.091 | 2.344 | 0.28 |
| 2,3,4 | 0.044 | 0.056 | 1.26 | 1.19 | 2.60 | 6.673 | 12.164 | 0.79 |
| 3,4,5 | 0.056 | 0.321 | 1.19 | 1.25 | 8.57 | 2.030 | 6.950 | -0.16 |
| 弯曲仿真应力 | 1,2,3 | 0.002 | 0.039 | 1.24 | 1.40 | 8.56 | 0.044 | 0.290 | 0.05 |
| 2,3,4 | 0.039 | 0.088 | 1.40 | 1.28 | 3.96 | 1.684 | 6.634 | 0.44 |
| 3,4,5 | 0.088 | 0.025 | 1.28 | 1.47 | 12.77 | 0.490 | 0.023 | 3.86 |
| 弯曲仿真疲劳寿命 | 1,2,3 | 0.033 | 0.306 | 1.24 | 1.40 | 1.503 | 1.620 | 5.479 | 0.11 |
| 2,3,4 | 0.306 | 0.241 | 1.40 | 1.28 | 1.16 | 80.158 | 118.464 | 0.97 |
| 3,4,5 | 0.241 | 0.159 | 1.28 | 1.47 | 3.93 | 18.389 | 5.614 | 1.22 |
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| 模型 | | 收敛解范围 | R | | 相对误差/% |
| 径向静力仿真 | 97.29 | 97.09~97.31 | 0.13 | 1.003 | 1.84 |
| 径向疲劳仿真 | 163.96 | 163.60~167.20 | 0.28 | 0.990 | 1.91 |
| 弯曲静力仿真 | 160.26 | 160.13~160.27 | 0.05 | 1.046 | 3.97 |
| 弯曲疲劳仿真 | 11.85 | 11.82~12.18 | 0.11 | 0.966 | 4.64 |
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解的外推值及相对误差结果
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| 模型 | | 收敛解范围 | R | | 相对误差/% |
| 径向静力仿真 | 97.29 | 97.09~97.31 | 0.13 | 1.003 | 1.84 |
| 径向疲劳仿真 | 163.96 | 163.60~167.20 | 0.28 | 0.990 | 1.91 |
| 弯曲静力仿真 | 160.26 | 160.13~160.27 | 0.05 | 1.046 | 3.97 |
| 弯曲疲劳仿真 | 11.85 | 11.82~12.18 | 0.11 | 0.966 | 4.64 |
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| 模型 | 名义直径/mm | 径向疲劳仿真模型最小网格尺寸/mm | 弯曲疲劳仿真模型最小网格尺寸/mm | 径向疲劳仿真模型 | 弯曲疲劳仿真模型 |
| 轮毂1 | 508.0 | 3 | 3 | 0.005 9 | 0.005 9 |
| 轮毂2 | 457.2 | 10 | | 0.021 9 | |
| 轮毂3 | 482.6 | | 8 | | 0.016 6 |
| 轮毂4 | 508.0 | | 6 | | 0.011 8 |
| 轮毂5 | 406.4 | 4 | 4 | 0.009 8 | 0.009 8 |
), ArticleFig(id=1175545676759970703, tenantId=1146029695717560320, journalId=1152916057816748034, articleId=1153022346114879647, language=CN, label=表6, caption=
不同轮毂模型仿真数据汇总表
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| 模型 | 名义直径/mm | 径向疲劳仿真模型最小网格尺寸/mm | 弯曲疲劳仿真模型最小网格尺寸/mm | 径向疲劳仿真模型 | 弯曲疲劳仿真模型 |
| 轮毂1 | 508.0 | 3 | 3 | 0.005 9 | 0.005 9 |
| 轮毂2 | 457.2 | 10 | | 0.021 9 | |
| 轮毂3 | 482.6 | | 8 | | 0.016 6 |
| 轮毂4 | 508.0 | | 6 | | 0.011 8 |
| 轮毂5 | 406.4 | 4 | 4 | 0.009 8 | 0.009 8 |
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