Article(id=1241029731349483921, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241029724655383270, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.02.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1681660800000, receivedDateStr=2023-04-17, revisedDate=1691424000000, revisedDateStr=2023-08-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1773814145171, onlineDateStr=2026-03-18, pubDate=1739548800000, pubDateStr=2025-02-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773814145171, onlineIssueDateStr=2026-03-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773814145171, creator=13701087609, updateTime=1773814145171, updator=13701087609, issue=Issue{id=1241029724655383270, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='2', pageStart='1', pageEnd='158', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773814143575, creator=13701087609, updateTime=1773840259815, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241139264176574915, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241029724655383270, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241139264176574916, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241029724655383270, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=19, endPage=27, ext={EN=ArticleExt(id=1241029732628746653, articleId=1241029731349483921, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Hybrid physical simulation and convolutional network for rack uprights bending damage prediction, columnId=1241029725523604201, journalTitle=Journal of Mechanical Strength, columnName=Fatigue∙Damage∙Fracture∙Failure Analysis, runingTitle=null, highlight=null, articleAbstract=
Accidental mechanical impacts such as forklifts may lead to serious degradation of the stability of industrial rack uprights.The finite element simulation model of the upright bending damage was established based on the physical test mechanism with five types of common upright in the industry as examples, and the analysis found that even a small impact deformation (1 mm) may lead to a decrease in the ultimate bearing capacity of the upright (maximum about 37%).Compared with other impacted positions, the bending damage at the prism made the upright stability decrease more significantly.Based on this, an intelligent prediction model of the bending damage state of the upright was established by physical simulation and convolutional neural network method.The results show that the residual load capacity values of the damaged upright obtained from the prediction model agree well with the finite element simulation data (the mean absolute percentage error is 5.99%) and can be used for rapid assessment of the bending damage performance of the rack upright.
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叉车等意外机械撞击可能导致工业货架立柱的稳定性严重退化。以行业常见的5种型号立柱为例,基于物理试验机制建立了立柱弯曲损伤的有限元仿真模型,分析发现即使是小的冲击变形(1 mm)也可能导致立柱极限承载能力下降(最大约37%);相比其他受冲击位置,棱线处的弯曲损伤使得立柱稳定性下降更为显著。以此为基础,通过物理模拟和卷积神经网络方法,建立了立柱弯曲损伤状态的智能化预测模型。结果显示,该预测模型所得到的损伤立柱残余承载能力值与有限元仿真数据吻合良好(平均绝对百分比误差为5.99%),可用于指导货架立柱弯曲损伤性能的快速评估。
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吕志军(通信作者),男,1967年生,山西太原人,博士,副教授;主要研究方向为智能制造、钢结构可靠性设计;E-mail:
lvzj@dhu.edu.cn。
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陈齐,男,2000年生,河南信阳人,在读硕士研究生;主要研究方向为钢结构轻量化设计、可靠性设计;E-mail:963222825@qq.com。
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陈齐,男,2000年生,河南信阳人,在读硕士研究生;主要研究方向为钢结构轻量化设计、可靠性设计;E-mail:963222825@qq.com。
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Section structure of the upright-beam combination, figureFileSmall=FOzVsU46zGTXwmT7MYGkVA==, figureFileBig=7vIwPG0RMrjHL2kG9ZnHJg==, tableContent=null), ArticleFig(id=1241029741608751857, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图1, caption=
梁柱组合截面结构, figureFileSmall=FOzVsU46zGTXwmT7MYGkVA==, figureFileBig=7vIwPG0RMrjHL2kG9ZnHJg==, tableContent=null), ArticleFig(id=1241029741797495551, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.2, caption=
Intelligent prediction model of bending damage for rack uprights, figureFileSmall=1dydVANssBqe16maR/e6Lg==, figureFileBig=jpjp4gVzgBa2mZ+sMn1RNA==, tableContent=null), ArticleFig(id=1241029741885575946, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图2, caption=
立柱弯曲损伤状态智能化预测模型, figureFileSmall=1dydVANssBqe16maR/e6Lg==, figureFileBig=jpjp4gVzgBa2mZ+sMn1RNA==, tableContent=null), ArticleFig(id=1241029741986239252, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.3, caption=
Section types of specimens, figureFileSmall=kD+KODJCQsOuXvdat5Kj3Q==, figureFileBig=1txWUjt6ONrggRo0d9hnNg==, tableContent=null), ArticleFig(id=1241029742141428508, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图3, caption=
样件截面型式, figureFileSmall=kD+KODJCQsOuXvdat5Kj3Q==, figureFileBig=1txWUjt6ONrggRo0d9hnNg==, tableContent=null), ArticleFig(id=1241029742288229157, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.4, caption=
Upright compression test device and principle, figureFileSmall=m3Q1vUBU8uWEcmbaCbOPYw==, figureFileBig=+CRoYMsC4TcuJbXuHljWpw==, tableContent=null), ArticleFig(id=1241029742393086767, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图4, caption=
立柱压缩试验装置及原理, figureFileSmall=m3Q1vUBU8uWEcmbaCbOPYw==, figureFileBig=+CRoYMsC4TcuJbXuHljWpw==, tableContent=null), ArticleFig(id=1241029742481167157, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.5, caption=
Mesh,constraint and load setting of simulation model, figureFileSmall=TRgvacE7Z1skxt6MhNipeA==, figureFileBig=f9a0D9XOUhuc0AKGGRYAlg==, tableContent=null), ArticleFig(id=1241029742594413368, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图5, caption=
仿真模型网格划分及约束、载荷设置, figureFileSmall=TRgvacE7Z1skxt6MhNipeA==, figureFileBig=f9a0D9XOUhuc0AKGGRYAlg==, tableContent=null), ArticleFig(id=1241029742686688063, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.6, caption=
Schematic diagram of forklifts hitting uprights, figureFileSmall=4OW0hgkmbNtWJ+WbrfrxiQ==, figureFileBig=KrBDCb4m2F2k27MJILImpQ==, tableContent=null), ArticleFig(id=1241029742804128582, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图6, caption=
叉车撞击立柱示意图, figureFileSmall=4OW0hgkmbNtWJ+WbrfrxiQ==, figureFileBig=KrBDCb4m2F2k27MJILImpQ==, tableContent=null), ArticleFig(id=1241029742888014668, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.7, caption=
Simulation models of the upright in three collision modes, figureFileSmall=mg/K7JRkgMEntd6gNBMc/A==, figureFileBig=cGoudbiJBIi8k+ZrP8TRLA==, tableContent=null), ArticleFig(id=1241029742984483668, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图7, caption=
立柱3种碰撞模式下的仿真模型, figureFileSmall=mg/K7JRkgMEntd6gNBMc/A==, figureFileBig=cGoudbiJBIi8k+ZrP8TRLA==, tableContent=null), ArticleFig(id=1241029743068369754, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.8, caption=
Time curve of the upright’s bending deformation, figureFileSmall=DDiSepD0iUrXi/prBI6f3Q==, figureFileBig=EU4N4xDM7D2RVD9l1eXCiw==, tableContent=null), ArticleFig(id=1241029743164838750, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图8, caption=
立柱弯曲变形的时程曲线, figureFileSmall=DDiSepD0iUrXi/prBI6f3Q==, figureFileBig=EU4N4xDM7D2RVD9l1eXCiw==, tableContent=null), ArticleFig(id=1241029743252919140, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.9, caption=
Setting of impact loads and boundary conditions, figureFileSmall=8U8/Mp0sWWgQF5rjjPK+ng==, figureFileBig=mjuXf17+eL/qyNqLPGrJRA==, tableContent=null), ArticleFig(id=1241029743374553965, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图9, caption=
冲击载荷及边界条件设置, figureFileSmall=8U8/Mp0sWWgQF5rjjPK+ng==, figureFileBig=mjuXf17+eL/qyNqLPGrJRA==, tableContent=null), ArticleFig(id=1241029743466828656, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.10, caption=
Buckling deformation diagram of damaged uprights, figureFileSmall=BLCkPFj3wuY5WwVgKbYVfg==, figureFileBig=bJew6TazbY3dnDiC9E6puw==, tableContent=null), ArticleFig(id=1241029743634600823, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图10, caption=
受损立柱屈曲变形图, figureFileSmall=BLCkPFj3wuY5WwVgKbYVfg==, figureFileBig=bJew6TazbY3dnDiC9E6puw==, tableContent=null), ArticleFig(id=1241029743726875515, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.11, caption=
Relation between amount of impact deformation and residual ultimate load capacity of M120A, figureFileSmall=Kz4qaYHLcWbpIUuH7FAkBw==, figureFileBig=6GgF5HQX3W+PLrbLDmU37w==, tableContent=null), ArticleFig(id=1241029743831733121, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图11, caption=
M120A型号立柱冲击变形量-残余承载力关系, figureFileSmall=Kz4qaYHLcWbpIUuH7FAkBw==, figureFileBig=6GgF5HQX3W+PLrbLDmU37w==, tableContent=null), ArticleFig(id=1241029743936590727, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.12, caption=
Relation curve between amount of impact deformation and residual ultimate load capacity of uprights, figureFileSmall=OB1XCQKpeTekhqBkOX1luQ==, figureFileBig=iKNHBlKtPHUcpfL3slEe1A==, tableContent=null), ArticleFig(id=1241029744007893904, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图12, caption=
立柱冲击变形量与残余极限承载力关系曲线, figureFileSmall=OB1XCQKpeTekhqBkOX1luQ==, figureFileBig=iKNHBlKtPHUcpfL3slEe1A==, tableContent=null), ArticleFig(id=1241029744112751511, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.13, caption=
Convolutional neural network structure, figureFileSmall=dusj25aMDZfUZQm9zXjcaw==, figureFileBig=1gW0MMeFWNJB/8royzRM8w==, tableContent=null), ArticleFig(id=1241029744196637599, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图13, caption=
卷积神经网络结构, figureFileSmall=dusj25aMDZfUZQm9zXjcaw==, figureFileBig=1gW0MMeFWNJB/8royzRM8w==, tableContent=null), ArticleFig(id=1241029744276329379, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.14, caption=
Structure diagram of CNN, figureFileSmall=o2BnykmCzEWO9JG2Z3wxNA==, figureFileBig=fa8aID803Y8IKOz1ot2mJQ==, tableContent=null), ArticleFig(id=1241029744360215467, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图14, caption=
卷积神经网络结构图, figureFileSmall=o2BnykmCzEWO9JG2Z3wxNA==, figureFileBig=fa8aID803Y8IKOz1ot2mJQ==, tableContent=null), ArticleFig(id=1241029744431518642, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.15, caption=
Predicting result of the neural network model, figureFileSmall=x3SN0/puOh0YHhbvQlDodA==, figureFileBig=TZKTD9+uFX4T4Ffqg9GT8g==, tableContent=null), ArticleFig(id=1241029745924690874, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图15, caption=
神经网络模型预测结果, figureFileSmall=x3SN0/puOh0YHhbvQlDodA==, figureFileBig=TZKTD9+uFX4T4Ffqg9GT8g==, tableContent=null), ArticleFig(id=1241029746029548481, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Fig.16, caption=
Training graph of CNN, figureFileSmall=2MxWd1+aB44HgVDTMgqSHQ==, figureFileBig=5m2TGNAADhphvyfq1164wg==, tableContent=null), ArticleFig(id=1241029746117628872, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=图16, caption=
卷积神经网络训练图, figureFileSmall=2MxWd1+aB44HgVDTMgqSHQ==, figureFileBig=5m2TGNAADhphvyfq1164wg==, tableContent=null), ArticleFig(id=1241029746184737740, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Tab.1, caption=
Comparison between test and simulation results
, figureFileSmall=null, figureFileBig=null, tableContent=
型号 Type | 试验值 Test value /N | 仿真值 Simulation value /N | 误差 Error/% |
|---|
| M90A | 104 204.2 | 105 960 | 1.68 |
| M100A | 139 643.9 | 131 630 | 5.74 |
| M120A | 238 675.9 | 254 910 | 6.80 |
| MAPE/% | 4.74 |
), ArticleFig(id=1241029746251846611, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=表1, caption=
仿真结果与试验结果比较
, figureFileSmall=null, figureFileBig=null, tableContent=
型号 Type | 试验值 Test value /N | 仿真值 Simulation value /N | 误差 Error/% |
|---|
| M90A | 104 204.2 | 105 960 | 1.68 |
| M100A | 139 643.9 | 131 630 | 5.74 |
| M120A | 238 675.9 | 254 910 | 6.80 |
| MAPE/% | 4.74 |
), ArticleFig(id=1241029746327344088, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Tab.2, caption=
Residual deformation of the damaged upright
, figureFileSmall=null, figureFileBig=null, tableContent=
型号 Type | 刚体质量 Rigid mass/kg | 碰撞位置 Collision location | 变形 Deformation/mm |
|---|
| 3 km/h | 5 km/h |
|---|
| M75 | 100 | 腹板Web | 4.53 | 11.93 |
| 翼板Flange | 8.09 | 16.94 |
| 棱线Prism | 12.28 | 24.69 |
| M90A | 200 | 腹板Web | 7.21 | 18.12 |
| 翼板Flange | 10.84 | 22.49 |
| 棱线Prism | 11.32 | 23.15 |
| M100A | 300 | 腹板Web | 5.54 | 13.19 |
| 翼板Flange | 9.04 | 20.62 |
| 棱线Prism | 11.26 | 21.78 |
| M100B | 400 | 腹板Web | 6.67 | 15.64 |
| 翼板Flange | 9.62 | 20.63 |
| 棱线Prism | 13.46 | 24.53 |
| M120A | 500 | 腹板Web | 6.67 | 14.53 |
| 翼板Flange | 9.25 | 21.55 |
| 棱线Prism | 12.64 | 23.30 |
), ArticleFig(id=1241029746415424478, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=表2, caption=
受损立柱残余变形
, figureFileSmall=null, figureFileBig=null, tableContent=
型号 Type | 刚体质量 Rigid mass/kg | 碰撞位置 Collision location | 变形 Deformation/mm |
|---|
| 3 km/h | 5 km/h |
|---|
| M75 | 100 | 腹板Web | 4.53 | 11.93 |
| 翼板Flange | 8.09 | 16.94 |
| 棱线Prism | 12.28 | 24.69 |
| M90A | 200 | 腹板Web | 7.21 | 18.12 |
| 翼板Flange | 10.84 | 22.49 |
| 棱线Prism | 11.32 | 23.15 |
| M100A | 300 | 腹板Web | 5.54 | 13.19 |
| 翼板Flange | 9.04 | 20.62 |
| 棱线Prism | 11.26 | 21.78 |
| M100B | 400 | 腹板Web | 6.67 | 15.64 |
| 翼板Flange | 9.62 | 20.63 |
| 棱线Prism | 13.46 | 24.53 |
| M120A | 500 | 腹板Web | 6.67 | 14.53 |
| 翼板Flange | 9.25 | 21.55 |
| 棱线Prism | 12.64 | 23.30 |
), ArticleFig(id=1241029746528670693, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Tab.3, caption=
Allowable residual deformation of the upright
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目Project | 指标Indicator/mm |
|---|
横梁工作方向 Direction of rack beam | 5 |
进梁方向 Direction of frame bracing | 3 |
), ArticleFig(id=1241029746616751083, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=表3, caption=
立柱允许的残余变形量
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目Project | 指标Indicator/mm |
|---|
横梁工作方向 Direction of rack beam | 5 |
进梁方向 Direction of frame bracing | 3 |
), ArticleFig(id=1241029746700637168, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Tab.4, caption=
Mapping relation of input and output parameters of the prediction model
, figureFileSmall=null, figureFileBig=null, tableContent=
输入参数 Input parameter | 输出参数 Output parameter |
|---|
| 腹板宽度Web width | 残余极限承载力 Residual ultimate bearing capacity |
| 立柱厚度 Upright thickness |
| 翼缘宽度 Flange width |
| 立柱开口大小 Upright opening size |
| 折弯个数 Number of bends |
| 变形位置 Deformation position |
| 变形程度 Deformation degree |
), ArticleFig(id=1241029746771940341, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=表4, caption=
预测模型的输入、输出参数映射关系
, figureFileSmall=null, figureFileBig=null, tableContent=
输入参数 Input parameter | 输出参数 Output parameter |
|---|
| 腹板宽度Web width | 残余极限承载力 Residual ultimate bearing capacity |
| 立柱厚度 Upright thickness |
| 翼缘宽度 Flange width |
| 立柱开口大小 Upright opening size |
| 折弯个数 Number of bends |
| 变形位置 Deformation position |
| 变形程度 Deformation degree |
), ArticleFig(id=1241029746855826426, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=EN, label=Tab.5, caption=
Model training and partial test results
, figureFileSmall=null, figureFileBig=null, tableContent=
序号 Serial number | FEM/kN | adam/kN | rmsprop/kN | sgdm/kN |
|---|
| 1 | 105.96 | 117.88 | 118.34 | -0.31 |
| 2 | 73.533 | 75.94 | 86.16 | -0.44 |
| 3 | 68.767 | 66.11 | 68.30 | 1.17 |
| … | … | … | … | … |
| 29 | 46.924 | 43.32 | 45.23 | -0.23 |
| 30 | 28.107 | 34.19 | 34.41 | -1.16 |
评价指标 Evaluation indicator | adam | rmsprop | sgdm |
| MAE/kN | 4.65 | 5.79 | 86.65 |
| RMSE/kN | 6.35 | 8.58 | 98.52 |
| MAPE/% | 5.99 | 7.28 | 100.10 |
| R2 | 0.98 | 0.97 | -3.24 |
), ArticleFig(id=1241029746956488705, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241029731349483921, language=CN, label=表5, caption=
模型训练及部分测试结果
, figureFileSmall=null, figureFileBig=null, tableContent=
序号 Serial number | FEM/kN | adam/kN | rmsprop/kN | sgdm/kN |
|---|
| 1 | 105.96 | 117.88 | 118.34 | -0.31 |
| 2 | 73.533 | 75.94 | 86.16 | -0.44 |
| 3 | 68.767 | 66.11 | 68.30 | 1.17 |
| … | … | … | … | … |
| 29 | 46.924 | 43.32 | 45.23 | -0.23 |
| 30 | 28.107 | 34.19 | 34.41 | -1.16 |
评价指标 Evaluation indicator | adam | rmsprop | sgdm |
| MAE/kN | 4.65 | 5.79 | 86.65 |
| RMSE/kN | 6.35 | 8.58 | 98.52 |
| MAPE/% | 5.99 | 7.28 | 100.10 |
| R2 | 0.98 | 0.97 | -3.24 |
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