Article(id=1204385397376791320, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204385395292218123, articleNumber=null, orderNo=null, doi=10.19620/j.cnki.1000-3703.20220626, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=1666627200000, revisedDateStr=2022-10-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1765077455132, onlineDateStr=2025-12-07, pubDate=1677168000000, pubDateStr=2023-02-24, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1765077455132, onlineIssueDateStr=2025-12-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1765077455132, creator=13701087609, updateTime=1765077455132, updator=13701087609, issue=Issue{id=1204385395292218123, tenantId=1146029695717560320, journalId=1189621681917173762, year='2023', volume='', issue='2', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1765077454636, creator=13701087609, updateTime=1765079042402, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1204392054924223033, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204385395292218123, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1204392054924223034, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1204385395292218123, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=8, ext={EN=ArticleExt(id=1204385397586506525, articleId=1204385397376791320, tenantId=1146029695717560320, journalId=1189621681917173762, language=EN, title=Optimization Design of B-Pillar Based on Concave Triangle Negative Poisson’s Ratio Cellular Structure, columnId=null, journalTitle=Automobile Technology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To satisfy multiple objective performance requirements of B-pillar, a novel B-pillar with concave triangle Negative Poisson’s Ratio (NPR) cellular structure was designed. Firstly, the relative density equation of novel cellular structure can be derived by employing unit cell method. Then, quasi-static compression test was carried out on 3D printed cellular structure sample to verify the accuracy of finite element model. In addition, Genetic Algorithm (GA) was utilized to obtain the optimal structural parameters with the goals of maximum Specific Energy Absorption (SEA), minimum Peak Collision Force (PCF) and minimum relative density. Based on this, the thickness of B-pillar was optimized with the goal of minimum mass. Through analysis on 3 working conditions, it can be concluded that compared with the non-sandwich carbon fiber B-pillar, the backward bending displacement of the novel B-pillar decreases by 5.28%; compared with non-sandwich carbon fiber B-pillar and carbon fiber B-pillar, the lateral bending displacement of novel B-pillar decreases by 42.28% and 48.05% respectively, the maximum contact force of three-point bending increases by 80.08% and 12.63%, and the three-point bending displacement decreases by 0.02% and 2.14% respectively.
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为满足B柱多目标性能需求,设计了内凹三角形负泊松比微结构B柱。首先,采用单胞法推导新型微结构相对密度公式;其次,对3D打印微结构样件开展准静态压缩试验,以验证有限元模型的准确性;继而,以单位体积吸能量(SEA)最大、峰值力(PCF)和相对密度最小为目标,采用遗传算法(GA)获得最优微元胞结构参数。基于此,以质量最小为目标对B柱进行厚度优化,通过3种工况分析可得:相较于无夹芯碳纤维B柱,新型B柱后向弯曲位移降低5.28%;相较于无夹芯碳纤维B柱与碳纤维B柱,新型B柱侧向弯曲位移分别降低42.28%和48.05%,三点弯曲最大接触力分别提升80.08%和12.63%,三点弯曲位移分别降低0.02%和2.14%。
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Journal of Hunan University (Natural Sciences),
2019,
46(8): 36-44., articleTitle=Optimization and Performance Analysis of CFRP Automotive B-Pillar Reinforced Plate, refAbstract=null)], funds=[Fund(id=1204452619797373894, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, awardId=X202110635302, language=CN, fundingSource=* 西南大学大学生创新创业训练计划项目(X202110635302), fundOrder=null, country=null), Fund(id=1204452619914814418, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, awardId=cstc2020jcyj-msxmX0996, language=CN, fundingSource=重庆市自然科学基金面上项目(cstc2020jcyj-msxmX0996), fundOrder=null, country=null), Fund(id=1204452619998700508, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, awardId=52202451, language=CN, fundingSource=国家自然科学基金青年科学基金项目(52202451), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1204452610083365829, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, xref=null, ext=[AuthorCompanyExt(id=1204452610087560134, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, companyId=1204452610083365829, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Southwest University, Chongqing 400715), AuthorCompanyExt(id=1204452610095948743, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, companyId=1204452610083365829, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=西南大学,重庆 400715)])], figs=[ArticleFig(id=1204452613728215427, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=QwfrlkyJz9u+Md4zkg33yg==, figureFileBig=KtsE9Qs2VFInrh7O8kBFeg==, tableContent=null), ArticleFig(id=1204452613820490127, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图1, caption=
内凹三角形负泊松比微元胞结构, figureFileSmall=QwfrlkyJz9u+Md4zkg33yg==, figureFileBig=KtsE9Qs2VFInrh7O8kBFeg==, tableContent=null), ArticleFig(id=1204452613954707871, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=76BOcQ5dmrsGWopQ2b+F8w==, figureFileBig=YAsJMje/RzU6pUTCXbS6qg==, tableContent=null), ArticleFig(id=1204452614093119923, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图2, caption=
三维内凹三角形负泊松比微元胞相对密度示意, figureFileSmall=76BOcQ5dmrsGWopQ2b+F8w==, figureFileBig=YAsJMje/RzU6pUTCXbS6qg==, tableContent=null), ArticleFig(id=1204452614294446530, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=vLVlRfXyB2eprKhI2zqTyg==, figureFileBig=aevvsZA9jFDEhXgC97KGMA==, tableContent=null), ArticleFig(id=1204452614403498443, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图3, caption=
内凹三角形负泊松比微结构有限元模型, figureFileSmall=vLVlRfXyB2eprKhI2zqTyg==, figureFileBig=aevvsZA9jFDEhXgC97KGMA==, tableContent=null), ArticleFig(id=1204452614525133276, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=5P7oX6ll4yP/NLz57QG1Fw==, figureFileBig=4i9Yb8rEMrUFB0OhiWaceQ==, tableContent=null), ArticleFig(id=1204452614634185195, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图4, caption=
内凹三角形负泊松比微结构3D打印样件, figureFileSmall=5P7oX6ll4yP/NLz57QG1Fw==, figureFileBig=4i9Yb8rEMrUFB0OhiWaceQ==, tableContent=null), ArticleFig(id=1204452614739042813, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=+xAp8PpCP/2JxS1nSB2xEw==, figureFileBig=vTaAkpzkzfeIdS8fDaFVOQ==, tableContent=null), ArticleFig(id=1204452614839706120, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图5, caption=
准静态压缩试验设备, figureFileSmall=+xAp8PpCP/2JxS1nSB2xEw==, figureFileBig=vTaAkpzkzfeIdS8fDaFVOQ==, tableContent=null), ArticleFig(id=1204452614973923860, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=rdgJEB1ciyC7WRpz8uzmOA==, figureFileBig=NqFcWqMP1hrmstm7zvn4OA==, tableContent=null), ArticleFig(id=1204452615099752992, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图6, caption=
不同的应变条件下仿真分析与准静态压缩试验变形模式对比, figureFileSmall=rdgJEB1ciyC7WRpz8uzmOA==, figureFileBig=NqFcWqMP1hrmstm7zvn4OA==, tableContent=null), ArticleFig(id=1204452615254942256, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=GpovZ4kh/L8/HRB28BOMbQ==, figureFileBig=NUV3F4LVNblvAc34RLUcpg==, tableContent=null), ArticleFig(id=1204452615368188478, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图7, caption=
仿真分析与准静态压缩试验应力-应变曲线, figureFileSmall=GpovZ4kh/L8/HRB28BOMbQ==, figureFileBig=NUV3F4LVNblvAc34RLUcpg==, tableContent=null), ArticleFig(id=1204452615510794827, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=XKMrqhExoABARmPiSsidvQ==, figureFileBig=q1acYPDpsTf3XZCzf4aPVA==, tableContent=null), ArticleFig(id=1204452615657595482, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图8, caption=
仿真分析与准静态压缩试验力-位移曲线, figureFileSmall=XKMrqhExoABARmPiSsidvQ==, figureFileBig=q1acYPDpsTf3XZCzf4aPVA==, tableContent=null), ArticleFig(id=1204452615787618918, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=KzfhDaIrTvGK9k0ar09sqw==, figureFileBig=NjRmvCMWBZAmwaTHCkYLHA==, tableContent=null), ArticleFig(id=1204452615934419571, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图9, caption=
各样本点条件下微结构的SEA和PCF响应面模型, figureFileSmall=KzfhDaIrTvGK9k0ar09sqw==, figureFileBig=NjRmvCMWBZAmwaTHCkYLHA==, tableContent=null), ArticleFig(id=1204452616064443008, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=OrNqilyjQXeaGJfzM4X9vg==, figureFileBig=lahy7SzeMkTpUTD11fIAQQ==, tableContent=null), ArticleFig(id=1204452616181883537, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图10, caption=
不同纤维含量条件下复合材料拉伸性能, figureFileSmall=OrNqilyjQXeaGJfzM4X9vg==, figureFileBig=lahy7SzeMkTpUTD11fIAQQ==, tableContent=null), ArticleFig(id=1204452616282546847, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=4Vtf5ah1/ayD2GxSIIW6bA==, figureFileBig=PNaWKb12+vEeYmzhim1JMw==, tableContent=null), ArticleFig(id=1204452616399987370, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图11, caption=
B柱有限元模型, figureFileSmall=4Vtf5ah1/ayD2GxSIIW6bA==, figureFileBig=PNaWKb12+vEeYmzhim1JMw==, tableContent=null), ArticleFig(id=1204452616584536761, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=v+s2H1eraapBZzAhFs3PzQ==, figureFileBig=rjQmkSYx/VJFSLXDByg0+A==, tableContent=null), ArticleFig(id=1204452616722948806, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图12, caption=
碳纤维铺层和微结构夹芯层厚度优化, figureFileSmall=v+s2H1eraapBZzAhFs3PzQ==, figureFileBig=rjQmkSYx/VJFSLXDByg0+A==, tableContent=null), ArticleFig(id=1204452616823612114, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=WUs5nHsqRt6gh6a8Ut7fJA==, figureFileBig=GPNyWW9Uq0G/GtVh8gSxnw==, tableContent=null), ArticleFig(id=1204452616936858333, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图13, caption=
侧向弯曲工况下优化后复合材料B柱的位移和应力云图, figureFileSmall=WUs5nHsqRt6gh6a8Ut7fJA==, figureFileBig=GPNyWW9Uq0G/GtVh8gSxnw==, tableContent=null), ArticleFig(id=1204452617041715940, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=q+hO+I/71VSrNF1yTe1qTA==, figureFileBig=GJV291Jje4mV7d2U92H4kw==, tableContent=null), ArticleFig(id=1204452617138184937, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图14, caption=
侧向弯曲工况下碳纤维B柱的位移和应力云图, figureFileSmall=q+hO+I/71VSrNF1yTe1qTA==, figureFileBig=GJV291Jje4mV7d2U92H4kw==, tableContent=null), ArticleFig(id=1204452617284985588, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=hEzdmpr/rNgyMC8UApvj5A==, figureFileBig=2/ruTx51X91YoBPshgVTjA==, tableContent=null), ArticleFig(id=1204452617415009020, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图15, caption=
侧向弯曲工况下无夹芯碳纤维B柱的位移和应力云图, figureFileSmall=hEzdmpr/rNgyMC8UApvj5A==, figureFileBig=2/ruTx51X91YoBPshgVTjA==, tableContent=null), ArticleFig(id=1204452617578586893, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=AwB0Pf0eQKWZPJbrTmBKEw==, figureFileBig=bFXGjUhNXw+OlaXmyIY1XA==, tableContent=null), ArticleFig(id=1204452617708610335, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图16, caption=
后向弯曲工况下优化后复合材料B柱的位移和应力云图, figureFileSmall=AwB0Pf0eQKWZPJbrTmBKEw==, figureFileBig=bFXGjUhNXw+OlaXmyIY1XA==, tableContent=null), ArticleFig(id=1204452617842828071, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=/c5azSLd4fwE9y1UlspX6w==, figureFileBig=x48XLdOCsnZCmMydiQGcNw==, tableContent=null), ArticleFig(id=1204452617985434418, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图17, caption=
后向弯曲工况下碳纤维B柱的位移和应力云图, figureFileSmall=/c5azSLd4fwE9y1UlspX6w==, figureFileBig=x48XLdOCsnZCmMydiQGcNw==, tableContent=null), ArticleFig(id=1204452618094486334, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=RgYrtecAKzvWe3Othf4GbA==, figureFileBig=l5LRFfkLi5Hsw4SYfAG6hg==, tableContent=null), ArticleFig(id=1204452618199343945, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图18, caption=
后向弯曲工况下无夹芯碳纤维B柱的位移和应力云图, figureFileSmall=RgYrtecAKzvWe3Othf4GbA==, figureFileBig=l5LRFfkLi5Hsw4SYfAG6hg==, tableContent=null), ArticleFig(id=1204452618308395858, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=e81Deo0EI0VA6YsquqKWoA==, figureFileBig=osXnvyzfwNJGeiKxLm1/yQ==, tableContent=null), ArticleFig(id=1204452618434224982, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图19, caption=
三点弯曲工况仿真分析B柱边界条件及加载条件, figureFileSmall=e81Deo0EI0VA6YsquqKWoA==, figureFileBig=osXnvyzfwNJGeiKxLm1/yQ==, tableContent=null), ArticleFig(id=1204452618610385765, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=S1BC5rmU4gyxpQQ0SSY7qw==, figureFileBig=9FuSG38PehCo6GGbpSUPvA==, tableContent=null), ArticleFig(id=1204452618732020593, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=图20, caption=
三点弯曲工况下3种类型B柱接触力与时间的关系曲线, figureFileSmall=S1BC5rmU4gyxpQQ0SSY7qw==, figureFileBig=9FuSG38PehCo6GGbpSUPvA==, tableContent=null), ArticleFig(id=1204452618824295294, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 组别 | c/(°) | d/(°) | α | β | 组别 | c/(°) | d/(°) | α | β |
| 1 | 21 | 161 | 0.10 | 0.50 | 13 | 27 | 159 | 0.10 | 0.50 |
| 2 | 23 | 167 | 0.13 | 0.45 | 14 | 21 | 167 | 0.15 | 0.75 |
| 3 | 25 | 173 | 0.16 | 0.40 | 15 | 37 | 165 | 0.12 | 0.80 |
| 4 | 27 | 159 | 0.11 | 0.65 | 16 | 31 | 171 | 0.14 | 0.60 |
| 5 | 29 | 165 | 0.14 | 0.60 | 17 | 33 | 173 | 0.11 | 0.65 |
| 6 | 31 | 171 | 0.17 | 0.55 | 18 | 29 | 161 | 0.18 | 0.70 |
| 7 | 33 | 157 | 0.12 | 0.80 | 19 | 37 | 159 | 0.17 | 0.55 |
| 8 | 35 | 163 | 0.15 | 0.75 | 20 | 35 | 169 | 0.10 | 0.50 |
| 9 | 37 | 169 | 0.18 | 0.70 | 21 | 27 | 157 | 0.17 | 0.55 |
| 10 | 21 | 161 | 0.13 | 0.45 | 22 | 25 | 169 | 0.18 | 0.70 |
| 11 | 25 | 167 | 0.10 | 0.50 | 23 | 37 | 161 | 0.12 | 0.80 |
| 12 | 29 | 165 | 0.16 | 0.40 | | | | | |
), ArticleFig(id=1204452618937541513, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=表1, caption=
不同样本点选取
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| 组别 | c/(°) | d/(°) | α | β | 组别 | c/(°) | d/(°) | α | β |
| 1 | 21 | 161 | 0.10 | 0.50 | 13 | 27 | 159 | 0.10 | 0.50 |
| 2 | 23 | 167 | 0.13 | 0.45 | 14 | 21 | 167 | 0.15 | 0.75 |
| 3 | 25 | 173 | 0.16 | 0.40 | 15 | 37 | 165 | 0.12 | 0.80 |
| 4 | 27 | 159 | 0.11 | 0.65 | 16 | 31 | 171 | 0.14 | 0.60 |
| 5 | 29 | 165 | 0.14 | 0.60 | 17 | 33 | 173 | 0.11 | 0.65 |
| 6 | 31 | 171 | 0.17 | 0.55 | 18 | 29 | 161 | 0.18 | 0.70 |
| 7 | 33 | 157 | 0.12 | 0.80 | 19 | 37 | 159 | 0.17 | 0.55 |
| 8 | 35 | 163 | 0.15 | 0.75 | 20 | 35 | 169 | 0.10 | 0.50 |
| 9 | 37 | 169 | 0.18 | 0.70 | 21 | 27 | 157 | 0.17 | 0.55 |
| 10 | 21 | 161 | 0.13 | 0.45 | 22 | 25 | 169 | 0.18 | 0.70 |
| 11 | 25 | 167 | 0.10 | 0.50 | 23 | 37 | 161 | 0.12 | 0.80 |
| 12 | 29 | 165 | 0.16 | 0.40 | | | | | |
), ArticleFig(id=1204452619096925078, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| B柱类型 | 外板厚度 | 夹芯厚度 | 内板厚度 |
| 优化后复合材料B柱 | 1.652 5 | 0.765 9 | 1.652 5 |
| 碳纤维B柱 | 1.652 5 | 0.765 9 | 1.652 5 |
| 无夹芯碳纤维B柱 | 1.652 5 | | 1.652 5 |
), ArticleFig(id=1204452619268891553, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=表2, caption=
3种类型B柱层厚分布 mm
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| B柱类型 | 外板厚度 | 夹芯厚度 | 内板厚度 |
| 优化后复合材料B柱 | 1.652 5 | 0.765 9 | 1.652 5 |
| 碳纤维B柱 | 1.652 5 | 0.765 9 | 1.652 5 |
| 无夹芯碳纤维B柱 | 1.652 5 | | 1.652 5 |
), ArticleFig(id=1204452619398914986, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 性能参数 | 无夹芯碳纤维B柱 | 碳纤维 B柱 | 优化后复合材料B柱 |
| 侧向弯曲位移/mm | 5.591 | 6.212 | 3.227 |
| 后向弯曲位移/mm | 7.467 | 6.030 | 7.073 |
| 三点弯曲位移/mm | 85.07 | 83.27 | 83.25 |
| 侧向弯曲最大应力/MPa | 153.9 | 128.5 | 109.2 |
| 后向弯曲最大应力/MPa | 388.8 | 241.1 | 210.0 |
| 三点弯曲最大接触力/N | 18 995.25 | 30 370.55 | 34 206.83 |
), ArticleFig(id=1204452619533132722, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1204385397376791320, language=CN, label=表3, caption=
3种类型B柱性能对比
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| 性能参数 | 无夹芯碳纤维B柱 | 碳纤维 B柱 | 优化后复合材料B柱 |
| 侧向弯曲位移/mm | 5.591 | 6.212 | 3.227 |
| 后向弯曲位移/mm | 7.467 | 6.030 | 7.073 |
| 三点弯曲位移/mm | 85.07 | 83.27 | 83.25 |
| 侧向弯曲最大应力/MPa | 153.9 | 128.5 | 109.2 |
| 后向弯曲最大应力/MPa | 388.8 | 241.1 | 210.0 |
| 三点弯曲最大接触力/N | 18 995.25 | 30 370.55 | 34 206.83 |
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