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The influence of operation variables on stress spectrum of high-speed train bogie frames 期刊论文
VEHICLE SYSTEM DYNAMICS, 2023, 卷号: 61, 期号: 2, 页码: 499-512
作者:  Yuan Z(袁征);  Chen XJ(陈贤佳);  Li, Cen;  Ma, Lijun;  Li, Qiang;  Sun, Shouguang;  Wei YJ(魏宇杰)
Adobe PDF(2480Kb)  |  收藏  |  浏览/下载:189/42  |  提交时间:2022/05/17
Stress spectrum  fatigue  operation variable  high-speed train  segmented Weibull model  
A computational method for the load spectra of large-scale structures with a data-driven learning algorithm 期刊论文
SCIENCE CHINA-TECHNOLOGICAL SCIENCES, 2023, 卷号: 66, 期号: 1, 页码: 141-154
作者:  Chen XJ(陈贤佳);  Yuan, Zheng;  Li, Qiang;  Sun, ShouGuang;  Wei YJ(魏宇杰)
Adobe PDF(2512Kb)  |  收藏  |  浏览/下载:249/77  |  提交时间:2023/02/09
load spectrum  computational mechanics  deep learning  data-driven modeling  gated recurrent unit neural network  
Multi-parameter joint optimization for double-strip high-speed pantographs to improve pantograph-catenary interaction quality 期刊论文
ACTA MECHANICA SINICA, 2022, 卷号: 38, 期号: 1, 页码: 11
作者:  Wu MZ(吴孟臻);  Xu XH(许向红);  Yan YZ(燕永钊);  Luo Y(罗弈);  Huang, Sijun;  Wang, Jianshan
Adobe PDF(2796Kb)  |  收藏  |  浏览/下载:159/43  |  提交时间:2022/07/18
High-speed pantograph  Pantograph-catenary interaction quality  Multi-parameter joint optimization  
An analytical solution to the stress fields of kinked cracks 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2021, 卷号: 156, 页码: 18
作者:  Liu ZE(刘卓尔);  Wei YJ(魏宇杰)
Adobe PDF(3434Kb)  |  收藏  |  浏览/下载:264/69  |  提交时间:2021/11/01
Kinked cracks  Stress fields  Stress intensity factors  Crack deflection  Fracture mechanics  
The Influence of Metastable Cellular Structure on Deformation Behavior in Laser Additively Manufactured 316L Stainless Steel 期刊论文
NANOMATERIALS, 2021, 卷号: 11, 期号: 11, 页码: 13
作者:  Li N(李娜);  Li ZY(李正阳);  Wei YJ(魏宇杰)
Adobe PDF(6117Kb)  |  收藏  |  浏览/下载:221/29  |  提交时间:2022/01/13
laser additive manufacturing  metastable cellular structures  316L stainless steel  coherent precipitates  stacking fault energy  
Characteristic and mechanism of crack initiation and early growth of an additively manufactured Ti-6Al-4V in very high cycle fatigue regime 期刊论文
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, 2021, 卷号: 205, 页码: 8
作者:  Sun CQ(孙成奇);  Chi, Weiqian;  Wang, Wenjing;  Duan, Yan
Adobe PDF(4522Kb)  |  收藏  |  浏览/下载:310/59  |  提交时间:2021/09/07
Very high cycle fatigue  Additively manufactured Ti-6Al-4V  Selective laser melting  Crack initiation mechanism  Grain refinement  
A segmented load spectrum model for high-speed trains and its inflection stress as an indicator for line quality 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 148, 页码: 12
作者:  Yuan, Zheng;  Chen XJ(陈贤佳);  Ma, Lijun;  Li, Qiang;  Sun, Shouguang;  Wei YJ(魏宇杰)
Adobe PDF(4436Kb)  |  收藏  |  浏览/下载:352/96  |  提交时间:2021/06/15
Load spectrum  Segmented Weibull distribution  Bogie frame  High-speed train  Inflection stress  
Mechanism of crack initiation and early growth of high strength steels in very high cycle fatigue regime 期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2020, 卷号: 771, 页码: 9
作者:  Song QY(宋清源);  Sun CQ(孙成奇)
Adobe PDF(3170Kb)  |  收藏  |  浏览/下载:421/80  |  提交时间:2020/03/11
very high cycle fatigue  High strength steels  Crack initiation mechanism  crack growth rate  Grain refinement  
The linear-dependence of adhesion strength and adhesion range on temperature in soft membranes 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2019, 卷号: 132, 页码: 12
作者:  Chang ZH(常正华);  Yang RG(杨荣贵);  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(3030Kb)  |  收藏  |  浏览/下载:430/177  |  提交时间:2019/11/26
Soft membrane  Adhesion  Ripples  Thermal undulation  Helfrich Hamiltonian  
The effective fracture strength and fracture toughness of solids with energy dissipation confined to localized strips 期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2019, 卷号: 120, 页码: 47-63
作者:  Zeng XG;  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(2027Kb)  |  收藏  |  浏览/下载:467/126  |  提交时间:2019/09/09
Effective toughness  Fracture strength  Strain softening  Shear banding  Strip-yield model