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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:255/80  |  提交时间:2023/02/09
load spectrum  computational mechanics  deep learning  data-driven modeling  gated recurrent unit neural network  
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:271/71  |  提交时间:2021/11/01
Kinked cracks  Stress fields  Stress intensity factors  Crack deflection  Fracture mechanics  
A new finite element level set reinitialization method based on the shifted boundary method 期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2021, 卷号: 438, 页码: 110360
作者:  Xue, Tianju;  Sun, WaiChing;  Adriaenssens, Sigrid;  Wei YJ(魏宇杰);  Liu CQ(刘传奇)
Adobe PDF(1807Kb)  |  收藏  |  浏览/下载:110/40  |  提交时间:2022/10/25
Level set  Reinitialization  Shift boundary method  
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:353/96  |  提交时间:2021/06/15
Load spectrum  Segmented Weibull distribution  Bogie frame  High-speed train  Inflection stress  
Fatigue endurance limit and crack front evolution in metallic glass 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 143, 页码: 9
作者:  Lei XQ(雷现奇);  袁力超o;  Peng, Liu;  Sun CQ(孙成奇);  Wei BC(魏炳忱);  Wei YJ(魏宇杰)
Adobe PDF(9123Kb)  |  收藏  |  浏览/下载:343/56  |  提交时间:2021/03/03
Fatigue endurance limit  Ultra-high cycle fatigue  Metallic glasses  Elliptical crack front  Stress intensity factor  
Nanoscale precipitates as sustainable dislocation sources for enhanced ductility and high strength 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 卷号: 117, 期号: 10, 页码: 5204-5209
作者:  Peng SY(彭神佑);  Wei YJ(魏宇杰);  Gao HJ(高华健)
Adobe PDF(1345Kb)  |  收藏  |  浏览/下载:414/73  |  提交时间:2020/05/18
nanoscale precipitate  dislocation sources  ductility  strength  multiple-element alloy  
Anisotropic expansion and size-dependent fracture of silicon nanotubes during lithiation 期刊论文
JOURNAL OF MATERIALS CHEMISTRY A, 2019, 卷号: 7, 期号: 25, 页码: 15113-15122
作者:  Wang C;  Wen JC(温济慈);  Luo F;  Quan BG;  Li H;  Wei YJ(魏宇杰);  Gu CZ;  Li JJ
浏览  |  Adobe PDF(1641Kb)  |  收藏  |  浏览/下载:316/139  |  提交时间:2019/09/09
The influence of combined gradient structure with residual stress on crack-growth behavior in medium carbon steel 期刊论文
ENGINEERING FRACTURE MECHANICS, 2019, 卷号: 209, 页码: 369-381
作者:  Wang Y(王瑶);  Yuan LC;  Zhang SJ(张诗嘉);  Sun CQ(孙成奇);  Wang WJ;  Yang GX;  Li Q;  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(2613Kb)  |  收藏  |  浏览/下载:392/155  |  提交时间:2019/04/11
Gradient material  Residual stress  Fatigue crack  Cyclic J-integral  Crack- growth rate  
Nanomechanics of graphene 期刊论文
NATIONAL SCIENCE REVIEW, 2019, 卷号: 6, 期号: 2, 页码: 324-348
作者:  Wei YJ(魏宇杰);  Yang RG(杨荣贵)
浏览  |  Adobe PDF(1360Kb)  |  收藏  |  浏览/下载:292/70  |  提交时间:2019/12/02
graphene  strength  wrinkling  pentagon-heptagon rings  carbon honeycomb  
A dislocation-based solution for stress introduced by arbitrary volume expansion in cylinders 期刊论文
MATHEMATICS AND MECHANICS OF SOLIDS, 2019, 卷号: 24, 期号: 3, 页码: 598-615
作者:  Wen JC(温济慈);  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(1461Kb)  |  收藏  |  浏览/下载:390/149  |  提交时间:2019/05/29
Volume expansion  shrinkage  infinitesimal dislocation  stress  lithiation  delithiation  nitriding