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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:181/51  |  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  
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:114/40  |  提交时间:2022/10/25
Level set  Reinitialization  Shift boundary method  
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:347/56  |  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:419/76  |  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:398/157  |  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:298/74  |  提交时间:2019/12/02
graphene  strength  wrinkling  pentagon-heptagon rings  carbon honeycomb  
页岩气开采中的若干力学前沿问题 期刊论文
力学进展, 2019, 卷号: 49, 期号: 00, 页码: 1-236
作者:  刘曰武;  高大鹏;  李奇;  万义钊;  段文杰;  曾霞光;  李明耀;  苏业旺;  范永波;  李世海;  鲁晓兵;  周东;  陈伟民;  傅一钦;  姜春晖;  侯绍继;  潘利生;  魏小林;  胡志明;  端祥刚;  高树生;  沈瑞;  常进;  李晓雁;  柳占立;  魏宇杰;  郑哲敏
Adobe PDF(109408Kb)  |  收藏  |  浏览/下载:304/39  |  提交时间:2019/09/12
页岩气  压裂  力学性质  数值模拟  监测技术  渗流  
Metal ductility evaluation by flattening test: The geometry dependence 期刊论文
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING, 2019, 卷号: 170, 页码: 40-48
作者:  Wang Y;  Yang GX;  Lei XQ(雷现奇);  Li Q;  Rong LJ;  Hu XF;  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(2257Kb)  |  收藏  |  浏览/下载:455/119  |  提交时间:2019/04/11
Flattening test  Plastic deformability  Gerson-Tvergaard-Needleman model  Failure  Finite element analysis  
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:559/149  |  提交时间:2018/10/30
Battery mechanics  Electrochemical-mechanical coupling  Interfacial delamination  In situ stress measurement  Finite element method  
Examining the validity of Stoney-equation for in-situ stress measurements in thin film electrodes using a large-deformation finite-element procedure 期刊论文
JOURNAL OF POWER SOURCES, 2018, 卷号: 387, 页码: 126-134
作者:  Wen JC(温济慈);  Wei YJ(魏宇杰);  Cheng YT
浏览  |  Adobe PDF(919Kb)  |  收藏  |  浏览/下载:312/83  |  提交时间:2018/07/17
Thin Film Electrode  In-situ Stress Measurement  Stoney Equation  Diffusion Stress Coupling  Finite-deformation Finite Element