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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  
虚单元计算方法的最新理论与应用进展 期刊论文
力学进展, 2022, 卷号: 52, 期号: 04, 页码: 874-913
作者:  刘传奇;  许广涛;  魏宇杰
Adobe PDF(12419Kb)  |  收藏  |  浏览/下载:165/48  |  提交时间:2023/03/16
虚单元法  非多项式函数  工程科学计算  单元凸凹性  
Plastic anisotropy and twin distributions near the fatigue crack tip of textured Mg alloys from in situ synchrotron X-ray diffraction measurements and multiscale mechanics modeling 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2022, 卷号: 165, 页码: 26
作者:  Xie, Di;  Zhang, Wei;  Lyu, Zongyang;  Liaw, Peter K.;  Tran, Huy;  Chew, Huck Beng;  Wei YJ(魏宇杰);  Ren, Yang;  Gao, Yanfei
Adobe PDF(31162Kb)  |  收藏  |  浏览/下载:167/24  |  提交时间:2022/07/18
In situ synchrotron X-ray diffraction (S-XRD)  Mg alloy  Fatigue crack  Cohesive interface model  Crystal plasticity finite element method  
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:413/72  |  提交时间:2020/05/18
nanoscale precipitate  dislocation sources  ductility  strength  multiple-element alloy  
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:389/148  |  提交时间:2019/05/29
Volume expansion  shrinkage  infinitesimal dislocation  stress  lithiation  delithiation  nitriding  
Stress evolution in elastic-plastic electrodes during electrochemical processes: A numerical method and its applications 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2018, 卷号: 116, 页码: 403-415
作者:  Wen JC(温济慈);  Wei YJ(魏宇杰);  Cheng YT(郑仰泽)
浏览  |  Adobe PDF(2242Kb)  |  收藏  |  浏览/下载:547/144  |  提交时间:2018/10/30
Battery mechanics  Electrochemical-mechanical coupling  Interfacial delamination  In situ stress measurement  Finite element method  
Failure mechanisms of 2D silicon film anodes: in situ observations and simulations on crack evolution 期刊论文
CHEMICAL COMMUNICATIONS, 2018, 卷号: 54, 期号: 32, 页码: 3997-4000
作者:  Yang L;  Chen HS;  Jiang HQ;  Wei YJ(魏宇杰);  Song WL;  Fang DN(方岱宁)
浏览  |  Adobe PDF(3014Kb)  |  收藏  |  浏览/下载:359/130  |  提交时间:2018/07/17
Optimal stress and deformation partition in gradient materials for better strength and tensile ductility: A numerical investigation 期刊论文
SCIENTIFIC REPORTS, 2017, 卷号: 7
作者:  Wang, Yao;  Yang, Guangxue;  Wang, Wenjing;  Wang, Xi;  Li, Qiang;  Wei YJ(魏宇杰);  Li, Q (reprint author), Beijing Jiaotong Univ, Minist Educ, Key Lab Vehicle Adv Mfg Measuring & Control Techn, Beijing 100044, Peoples R China.;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(3669Kb)  |  收藏  |  浏览/下载:338/100  |  提交时间:2017/11/29