Article(id=1241831203842621709, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1241831200843699167, articleNumber=null, orderNo=null, doi=10.19636/j.cnki.cjsm42-1250/o3.2025.032, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1759161600000, receivedDateStr=2025-09-30, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1774005231103, onlineDateStr=2026-03-20, pubDate=1761494400000, pubDateStr=2025-10-27, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774005231103, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774005231103, creator=13701087609, updateTime=1774005231103, updator=13701087609, issue=Issue{id=1241831200843699167, tenantId=1146029695717560320, journalId=1241755870837649424, year='2025', volume='46', issue='5', pageStart='571', pageEnd='706', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1774005230388, creator=13701087609, updateTime=1774005316875, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241831563734881184, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1241831200843699167, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241831563739075489, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1241831200843699167, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=571, endPage=588, ext={EN=ArticleExt(id=1241831205390319887, articleId=1241831203842621709, tenantId=1146029695717560320, journalId=1241755870837649424, language=EN, title=A Data-Physics Hybrid Approach for Multiaxial Fatigue Life Prediction of Ti-6Al-4V Alloy, columnId=1241831201674171363, journalTitle=Chinese Journal of Solid Mechanics, columnName=Research Papers, runingTitle=null, highlight=null, articleAbstract=
With the increasing deployment of additively manufactured Ti-6Al-4V in aerospace and other high-performance structural applications, reliable prediction of fatigue life under complex multiaxial loading has become essential for safe design and lifecycle management. However, conventional data-driven approaches often lack predictive accuracy and physical consistency on small datasets and non-proportional multiaxial stress states, limiting their generalizability and interpretability. To address these limitations, this work computes the Mises equivalent stress directly from experimental loading histories and incorporates a Basquin-model-based theoretical fatigue life as prior physics knowledge. Building on this prior, we propose a residual connection-based physics-informed neural network (PI-Res) that learns only the datadriven residual relative to the theoretical life, thereby merging mechanistic fidelity with statistical adaptability. Using laser powder bed fusion (L-PBF) Ti-6Al-4V as the case material, we conduct a systematic comparison against representative purely data-driven baselines—artificial neural networks, random forests, and support vector regression—as well as three canonical data-physics fusion strategies: physics-informed feature engineering, physics-informed loss functions, and physics-informed residual connections. Across multiaxial loading scenarios and distinct life regimes, the PI-Res framework consistently demonstrates superior predictive accuracy alongside stronger adherence to physical trends implied by the stress-life relationship. Moreover, by anchoring the learning process to a mechanistic prior and delegating only the unexplained variance to the network, PI-Res improves robustness under data scarcity and enhances interpretability of model behavior. These findings indicate that residual-style injection of domain knowledge offers a principled pathway to reconcile small-sample constraints with mechanistic coherence in fatigue modeling. Practically, the proposed approach provides a reliable tool to support fatigue life assessment, design margins, and maintenance scheduling for additively manufactured components. Theoretically, it illustrates a transferable physics-data fusion paradigm that can be extended to other material systems and generalized multiaxial fatigue problems where integrating prior physics with flexible learners is crucial.
, correspAuthors=Yu'e Ma, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Xingyue Sun, Yunyu Liu, Yu'e Ma, Weihong Zhang), CN=ArticleExt(id=1241831211295900019, articleId=1241831203842621709, tenantId=1146029695717560320, journalId=1241755870837649424, language=CN, title=基于数据-物理融合驱动方法的Ti6Al4V多轴疲劳寿命预测研究, columnId=1241831201896469478, journalTitle=固体力学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
随着增材制造Ti-6Al-4V合金在航空航天与高性能结构领域的广泛应用,其在复杂载荷条件下的疲劳性能研究愈发重要. 针对传统数据驱动方法在小样本和多轴加载条件下存在预测精度不足与物理一致性欠缺的问题,本文以实验载荷计算Mises等效应力为基础,结合Basquin模型获得理论寿命作为先验,提出了一种基于残差连接的物理信息融合神经网络(PI-Res). 以激光粉末床融合(L-PBF)Ti-6Al-4V材料为研究对象,对比了人工神经网络、随机森林与支持向量回归等多种数据驱动方法性能,以及三种典型的数据-物理融合策略(物理信息特征工程、物理信息损失函数和物理信息残差连接). 结果表明,PI-Res模型在多轴加载条件下展现出更优的预测精度和物理一致性,能够兼顾不同寿命区间的适应性. 该研究为构建兼具可靠性与可解释性的疲劳寿命预测模型提供了新的思路与参考.
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218: 110700., articleTitle=Predicting stress-strain curves using transfer learning: Knowledge transfer across polymer composites, refAbstract=null)], funds=[Fund(id=1241831220250739290, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, awardId=12302098, language=CN, fundingSource=国家重大科技项目和国家自然科学基金项目(12302098), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241831211585307003, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, xref=
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2School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, 710072), AuthorCompanyExt(id=1241831211698553219, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, companyId=1241831211681776000, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2西北工业大学机电学院,西安,710072)])], figs=[ArticleFig(id=1241831215595061732, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.1, caption=
The distribution of multiaxial fatigue experimental data for LPBF Ti6Al4V, figureFileSmall=/yZaiDJ1NGZzr1/9xfjtow==, figureFileBig=hIvnzOGDKUls7ZDrS1gtKQ==, tableContent=null), ArticleFig(id=1241831215720890856, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图1, caption=
LPBF增材制造Ti6Al4V多轴疲劳试验数据分布, figureFileSmall=/yZaiDJ1NGZzr1/9xfjtow==, figureFileBig=hIvnzOGDKUls7ZDrS1gtKQ==, tableContent=null), ArticleFig(id=1241831215934800369, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.2, caption=
The schematic diagram of data-driven machine learning model algorithm, figureFileSmall=AZEW6e3ukAKzXqR+ttRuRg==, figureFileBig=lBZ87QwucdJbzHn+xyttxw==, tableContent=null), ArticleFig(id=1241831216089989622, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图2, caption=
数据驱动机器学习模型算法示意图, figureFileSmall=AZEW6e3ukAKzXqR+ttRuRg==, figureFileBig=lBZ87QwucdJbzHn+xyttxw==, tableContent=null), ArticleFig(id=1241831216169681402, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.3, caption=
The schematic diagram of physical information data-driven model algorithm, figureFileSmall=n0259+xRpDPAZfUY5jBWZg==, figureFileBig=b0M9YR/5vsGQbBEzn6daTg==, tableContent=null), ArticleFig(id=1241831216253567487, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图3, caption=
物理信息数据驱动模型算法示意图, figureFileSmall=n0259+xRpDPAZfUY5jBWZg==, figureFileBig=b0M9YR/5vsGQbBEzn6daTg==, tableContent=null), ArticleFig(id=1241831216345842178, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.4, caption=
The box plot of data-driven model prediction performance, figureFileSmall=td5KKi1coKxelwzUqYcopg==, figureFileBig=wchGoNhrcLkw+Vccy7AgRQ==, tableContent=null), ArticleFig(id=1241831216425533957, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图4, caption=
数据驱动模型预测性能箱线图, figureFileSmall=td5KKi1coKxelwzUqYcopg==, figureFileBig=wchGoNhrcLkw+Vccy7AgRQ==, tableContent=null), ArticleFig(id=1241831216509420043, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.5, caption=
The fatigue life distribution predicted by data-driven models, figureFileSmall=tLt4atBGz6eky1tjOJMfnA==, figureFileBig=5Eh+aONMSk4dIA8W0M7ETg==, tableContent=null), ArticleFig(id=1241831216580723215, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图5, caption=
数据驱动模型预测的疲劳寿命分布, figureFileSmall=tLt4atBGz6eky1tjOJMfnA==, figureFileBig=5Eh+aONMSk4dIA8W0M7ETg==, tableContent=null), ArticleFig(id=1241831216668803602, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.6, caption=
The feature importance analysis of data driven models based on SHAP algorithm, figureFileSmall=2JRdjABEhDYAgIKOZUV2zg==, figureFileBig=Qlkp0ik7TZ4W4AHVWHvkMQ==, tableContent=null), ArticleFig(id=1241831216777855512, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图6, caption=
基于SHAP算法的数据驱动模型特征重要性分析, figureFileSmall=2JRdjABEhDYAgIKOZUV2zg==, figureFileBig=Qlkp0ik7TZ4W4AHVWHvkMQ==, tableContent=null), ArticleFig(id=1241831216920461851, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.7, caption=
Prediction performance of different physical informed neural network architectures, figureFileSmall=z5RzG6CNehN7rwwbWpaaAA==, figureFileBig=2G33wej9ylllhCLooUQcqg==, tableContent=null), ArticleFig(id=1241831217071456798, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图7, caption=
不同物理信息神经网络架构的预测性能, figureFileSmall=z5RzG6CNehN7rwwbWpaaAA==, figureFileBig=2G33wej9ylllhCLooUQcqg==, tableContent=null), ArticleFig(id=1241831217155342881, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.8, caption=
The distribution of multiaxial fatigue life of Ti6Al4V material predicted by physical informed data-driven model, figureFileSmall=BhoG4VjFhLws6C3GkVAFtg==, figureFileBig=zDcJJFr7kqYe9JqaYhiTcQ==, tableContent=null), ArticleFig(id=1241831217222451750, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图8, caption=
基于物理信息数据驱动模型预测的Ti6Al4V材料多轴疲劳寿命分布, figureFileSmall=BhoG4VjFhLws6C3GkVAFtg==, figureFileBig=zDcJJFr7kqYe9JqaYhiTcQ==, tableContent=null), ArticleFig(id=1241831218724012590, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.9, caption=
Prediction performance of physics-informed data-driven models under different loading paths, figureFileSmall=34+6qLb4I6FgqFEYY3HbcQ==, figureFileBig=GgXsoJvSOyQRpUrqUCvs+Q==, tableContent=null), ArticleFig(id=1241831218828870190, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图9, caption=
不同加载路径下物理信息数据驱动模型的预测效果, figureFileSmall=34+6qLb4I6FgqFEYY3HbcQ==, figureFileBig=GgXsoJvSOyQRpUrqUCvs+Q==, tableContent=null), ArticleFig(id=1241831218912756272, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.10, caption=
The schematic diagram of transfer learning based on fine-tuning method, figureFileSmall=YLRBmOBnFusx133Rx8tsWQ==, figureFileBig=PJnQaE42hZA5OtYh2c7Hfw==, tableContent=null), ArticleFig(id=1241831218988253746, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图10, caption=
基于微调的迁移学习示意图, figureFileSmall=YLRBmOBnFusx133Rx8tsWQ==, figureFileBig=PJnQaE42hZA5OtYh2c7Hfw==, tableContent=null), ArticleFig(id=1241831219080528439, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.11, caption=
Model prediction performance under different transfer learning conditions, figureFileSmall=Kn8pDn9SLcLCn0wSMHV8rg==, figureFileBig=cNaKL2YqygXmyFwp0urBvQ==, tableContent=null), ArticleFig(id=1241831219147637306, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图11, caption=
不同迁移学习条件下模型预测性能, figureFileSmall=Kn8pDn9SLcLCn0wSMHV8rg==, figureFileBig=cNaKL2YqygXmyFwp0urBvQ==, tableContent=null), ArticleFig(id=1241831219227329085, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Fig.12, caption=
Prediction performance of Res PINN model for Ti6Al4V machined materials with and without transfer learning conditions, figureFileSmall=yPoH1RBpTgCOJP3j4GEFuw==, figureFileBig=NQhVkTdE02BqV9fiG4+1ow==, tableContent=null), ArticleFig(id=1241831219315409473, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=图12, caption=
Res-PINN模型在迁移学习和无迁移学习条件下的表面加工Ti6Al4V材料预测效果, figureFileSmall=yPoH1RBpTgCOJP3j4GEFuw==, figureFileBig=NQhVkTdE02BqV9fiG4+1ow==, tableContent=null), ArticleFig(id=1241831219403489859, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Table 1, caption=
Multiaxial fatigue experimental data of as-built LPBF Ti6Al4V specimens
, figureFileSmall=null, figureFileBig=null, tableContent=
| 加载路径 | σa(MPa) | εa(%) | τa(MPa) | γa(%) | σMises(MPa) | 疲劳寿命(2Nf) |
|---|
| Axial | 332 | 0.302 | 0 | 0 | 332 | 20780 |
| Axial | 223 | 0.203 | 0 | 0 | 223 | 53990 |
| Axial | 191 | 0.174 | 0 | 0 | 191 | 93952 |
| Axial | 191 | 0.174 | 0 | 0 | 191 | 36668 |
| Axial | 140 | 0.128 | 0 | 0 | 140 | 818690 |
| Axial | 100 | 0.089 | 0 | 0 | 100 | 6981714 |
| Torsion | 0 | 0 | 603 | 1.447 | 1044 | 498 |
| Torsion | 0 | 0 | 443 | 1.061 | 767 | 15708 |
| Torsion | 0 | 0 | 312 | 0.749 | 540 | 36558 |
| Torsion | 0 | 0 | 283 | 0.679 | 490 | 28924 |
| Torsion | 0 | 0 | 267 | 0.640 | 462 | 57500 |
| Torsion | 0 | 0 | 214 | 0.512 | 371 | 159194 |
| Torsion | 0 | 0 | 192 | 0.460 | 333 | 253442 |
| Torsion | 0 | 0 | 191 | 0.458 | 331 | 286220 |
| Torsion | 0 | 0 | 185 | 0.443 | 320 | 236442 |
| Torsion | 0 | 0 | 185 | 0.443 | 320 | 469430 |
| IP | 234 | 0.213 | 135 | 0.324 | 331 | 35236 |
| IP | 233 | 0.212 | 134 | 0.322 | 329 | 43916 |
| IP | 135 | 0.123 | 78 | 0.187 | 191 | 355618 |
| IP | 135 | 0.122 | 78 | 0.186 | 191 | 144922 |
| IP | 60 | 0.054 | 104 | 0.249 | 190 | 626392 |
| IP | 133 | 0.122 | 77 | 0.185 | 188 | 191602 |
| IP | 109 | 0.099 | 63 | 0.151 | 154 | 2803040 |
), ArticleFig(id=1241831219512541766, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=表1, caption=
表面未加工L-PBF Ti6Al4V多轴疲劳实验数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 加载路径 | σa(MPa) | εa(%) | τa(MPa) | γa(%) | σMises(MPa) | 疲劳寿命(2Nf) |
|---|
| Axial | 332 | 0.302 | 0 | 0 | 332 | 20780 |
| Axial | 223 | 0.203 | 0 | 0 | 223 | 53990 |
| Axial | 191 | 0.174 | 0 | 0 | 191 | 93952 |
| Axial | 191 | 0.174 | 0 | 0 | 191 | 36668 |
| Axial | 140 | 0.128 | 0 | 0 | 140 | 818690 |
| Axial | 100 | 0.089 | 0 | 0 | 100 | 6981714 |
| Torsion | 0 | 0 | 603 | 1.447 | 1044 | 498 |
| Torsion | 0 | 0 | 443 | 1.061 | 767 | 15708 |
| Torsion | 0 | 0 | 312 | 0.749 | 540 | 36558 |
| Torsion | 0 | 0 | 283 | 0.679 | 490 | 28924 |
| Torsion | 0 | 0 | 267 | 0.640 | 462 | 57500 |
| Torsion | 0 | 0 | 214 | 0.512 | 371 | 159194 |
| Torsion | 0 | 0 | 192 | 0.460 | 333 | 253442 |
| Torsion | 0 | 0 | 191 | 0.458 | 331 | 286220 |
| Torsion | 0 | 0 | 185 | 0.443 | 320 | 236442 |
| Torsion | 0 | 0 | 185 | 0.443 | 320 | 469430 |
| IP | 234 | 0.213 | 135 | 0.324 | 331 | 35236 |
| IP | 233 | 0.212 | 134 | 0.322 | 329 | 43916 |
| IP | 135 | 0.123 | 78 | 0.187 | 191 | 355618 |
| IP | 135 | 0.122 | 78 | 0.186 | 191 | 144922 |
| IP | 60 | 0.054 | 104 | 0.249 | 190 | 626392 |
| IP | 133 | 0.122 | 77 | 0.185 | 188 | 191602 |
| IP | 109 | 0.099 | 63 | 0.151 | 154 | 2803040 |
), ArticleFig(id=1241831219629982281, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Table 2, caption=
Multiaxial fatigue experimental data of machined LPBF Ti6Al4V specimens
, figureFileSmall=null, figureFileBig=null, tableContent=
| 加载路径 | σa(MPa) | εa(%) | τa(MPa) | γa(%) | σMises(MPa) | 疲劳寿命(2Nf) |
|---|
| Axial | 350 | 0.319 | 0 | 0 | 350 | 87246 |
| Axial | 268 | 0.244 | 0 | 0 | 268 | 170240 |
| Axial | 205 | 0.187 | 0 | 0 | 205 | 246796 |
| Axial | 204 | 0.186 | 0 | 0 | 204 | 193132 |
| Torsion | 0 | 0 | 645 | 2.003 | 1117 | 72 |
| Torsion | 0 | 0 | 551 | 1.249 | 954 | 3098 |
| Torsion | 0 | 0 | 415 | 0.976 | 719 | 23650 |
| Torsion | 0 | 0 | 350 | 0.823 | 606 | 57668 |
| Torsion | 0 | 0 | 350 | 0.823 | 606 | 113380 |
| Torsion | 0 | 0 | 262 | 0.617 | 454 | 155366 |
| Torsion | 0 | 0 | 210 | 0.494 | 364 | 530916 |
| IP | 376 | 0.342 | 217 | 0.511 | 532 | 2098 |
| IP | 376 | 0.342 | 217 | 0.511 | 532 | 23380 |
| IP | 283 | 0.257 | 163 | 0.384 | 400 | 48844 |
| IP | 213 | 0.194 | 122 | 0.288 | 300 | 222850 |
| IP | 163 | 0.148 | 94 | 0.221 | 230 | 3623270 |
| OP | 475 | 0.433 | 274 | 0.645 | 671 | 13304 |
| OP | 300 | 0.273 | 173 | 0.407 | 424 | 46200 |
| OP | 268 | 0.244 | 155 | 0.365 | 379 | 54046 |
| OP | 205 | 0.187 | 118 | 0.273 | 289 | 574256 |
), ArticleFig(id=1241831219730645580, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=表2, caption=
表面加工L-PBF Ti6Al4V多轴疲劳实验数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 加载路径 | σa(MPa) | εa(%) | τa(MPa) | γa(%) | σMises(MPa) | 疲劳寿命(2Nf) |
|---|
| Axial | 350 | 0.319 | 0 | 0 | 350 | 87246 |
| Axial | 268 | 0.244 | 0 | 0 | 268 | 170240 |
| Axial | 205 | 0.187 | 0 | 0 | 205 | 246796 |
| Axial | 204 | 0.186 | 0 | 0 | 204 | 193132 |
| Torsion | 0 | 0 | 645 | 2.003 | 1117 | 72 |
| Torsion | 0 | 0 | 551 | 1.249 | 954 | 3098 |
| Torsion | 0 | 0 | 415 | 0.976 | 719 | 23650 |
| Torsion | 0 | 0 | 350 | 0.823 | 606 | 57668 |
| Torsion | 0 | 0 | 350 | 0.823 | 606 | 113380 |
| Torsion | 0 | 0 | 262 | 0.617 | 454 | 155366 |
| Torsion | 0 | 0 | 210 | 0.494 | 364 | 530916 |
| IP | 376 | 0.342 | 217 | 0.511 | 532 | 2098 |
| IP | 376 | 0.342 | 217 | 0.511 | 532 | 23380 |
| IP | 283 | 0.257 | 163 | 0.384 | 400 | 48844 |
| IP | 213 | 0.194 | 122 | 0.288 | 300 | 222850 |
| IP | 163 | 0.148 | 94 | 0.221 | 230 | 3623270 |
| OP | 475 | 0.433 | 274 | 0.645 | 671 | 13304 |
| OP | 300 | 0.273 | 173 | 0.407 | 424 | 46200 |
| OP | 268 | 0.244 | 155 | 0.365 | 379 | 54046 |
| OP | 205 | 0.187 | 118 | 0.273 | 289 | 574256 |
), ArticleFig(id=1241831219852280400, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=EN, label=Table A1, caption=
The hyperparameters of data-driven models and data-physics hybrid models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 超参数 | 取值 |
|---|
| ANN | 网络层数 | 5 |
| SVR | 神经元个数 | 7-64-32-16-1 |
| 激活函数 | ReLU |
| 核函数 | 径向基函数 |
| 正则化参数C | 100 |
| gamma参数 | 0.1 |
| RF | epsilon参数 | 0.1 |
| 决策树数量 | 100 |
| 最大树深度 | 10 |
| PF-ANN | 网络层数 | 5 |
| PF-SVR | 神经元个数 | 8-64-32-16-1 |
| 激活函数 | ReLU |
| 核函数 | 径向基函数 |
| 正则化参数C | 100 |
| gamma参数 | 0.1 |
| PF-RF | epsilon参数 | 0.1 |
| 决策树数量 | 100 |
| 最大树深度 | 10 |
| PI-Loss | 网络层数 | 5 |
| PI-Res | 神经元个数 | 7-64-32-16-1 |
| 激活函数 | LeakyReLU |
| 网络层数 | 5 |
| 神经元个数 | 7-64-32-16-1 |
| 激活函数 | LeakyReLU |
), ArticleFig(id=1241831219952943696, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=表A1, caption=
数据驱动模型及数据-物理融合模型的超参数情况
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| 模型 | 超参数 | 取值 |
|---|
| ANN | 网络层数 | 5 |
| SVR | 神经元个数 | 7-64-32-16-1 |
| 激活函数 | ReLU |
| 核函数 | 径向基函数 |
| 正则化参数C | 100 |
| gamma参数 | 0.1 |
| RF | epsilon参数 | 0.1 |
| 决策树数量 | 100 |
| 最大树深度 | 10 |
| PF-ANN | 网络层数 | 5 |
| PF-SVR | 神经元个数 | 8-64-32-16-1 |
| 激活函数 | ReLU |
| 核函数 | 径向基函数 |
| 正则化参数C | 100 |
| gamma参数 | 0.1 |
| PF-RF | epsilon参数 | 0.1 |
| 决策树数量 | 100 |
| 最大树深度 | 10 |
| PI-Loss | 网络层数 | 5 |
| PI-Res | 神经元个数 | 7-64-32-16-1 |
| 激活函数 | LeakyReLU |
| 网络层数 | 5 |
| 神经元个数 | 7-64-32-16-1 |
| 激活函数 | LeakyReLU |
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The hyperparameters of data-driven models and data-physics hybrid models
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| 材料参数 | Ti6Al4V As-built | Ti6Al4V Machined |
|---|
| 疲劳强度系数(MPa) | 3359 | 2994 |
| 疲劳强度指数 | -0.241 | -0.198 |
), ArticleFig(id=1241831220154270294, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1241831203842621709, language=CN, label=表B1, caption=
增材制造Ti6Al4V材料疲劳参数情况
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| 材料参数 | Ti6Al4V As-built | Ti6Al4V Machined |
|---|
| 疲劳强度系数(MPa) | 3359 | 2994 |
| 疲劳强度指数 | -0.241 | -0.198 |
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