(1)给出了二维晶体材料中最典型缺陷5-7环的应力场弹性解;
(2)解决了断裂力学中的两个经典问题：给出了偏折裂纹尖端的应力场弹性解；给出了裂纹沿任意方向扩展时的能量释放率理论表达式;
(3)在典型界面结构的变形与材料强韧性关联方面做出了一批奠基性工作;
(4)提出二次电池寿命N与充放电倍率C之间的C-N幂律准则。
发表论文列表（*表示通讯作者）
On fracture mechanics
Bonan Wang, Yangjian Si, and Yujie Wei*. Elastic fields of surface steps and notches and associated cracks. Engineering Fracture Mechanics, 2025, 328: 111571.
Yangjian Si, Yujie Wei*. Semi-analytical solutions of kinked edge cracks. Engineering Fracture Mechanics 309 (2024) 110392.
Yangjian Si, Yujie Wei*. Elastic fields of double branched and Kalthoff–Winkler cracks in a half-plane. Journal of the Mechanics and Physics of Solids, 184 (2024) 105546 (1-24).
Zhuo-Er Liu, Yujie Wei*. A semi-analytical solution to the stress intensity factors of branched cracks. Journal of the Mechanics and Physics of Solids, 179 (2023), 105351 (1-18).
Zhuo-Er Liu, Yujie Wei*. An analytical solution to the stress fields of kinked cracks. Journal of the Mechanics and Physics of Solids, 156 (2021), 104619 (1-18).
Xiaguang Zeng, Yujie Wei*. Crack deflection in brittle media with heterogeneous interfaces and its application in shale fracking. Journal of the Mechanics and Physics of Solids, 101 (2017), 235-249.
On low-dimensional mechanics
Xiaokun Gu, Yujie Wei*, Xiaobo Yin, Baowen Li*, Ronggui Yang*. Colloquium: Phononic thermal properties of two-dimensional materials. Reviews of Modern Physics, 90 (4) (2018), 041002 (1-30).
Zhenqian Pang, Xiaokun Gu, Yujie Wei*, Ronggui Yang*, Mildred S. Dresselhaus*. Bottom-up design of three-dimensional carbon-honeycomb with superb specific strength and high thermal conductivity. Nano Letters, 17 (1) (2017), 179-185.
Wenhui Xie, Yujie Wei*. Roughening for strengthening and toughening in monolayer carbon based composites. Nano Letters, 21 (11) (2021), 4823-4829.
Yujie Wei*, Ronggui Yang*. Nanomechanics of graphene. National Science Review, 6 (2) (2019), 324-348.
Hanqing Yin, H. Jerry Qi, Feifei Fan, Ting Zhu, Baolin Wang, Yujie Wei*. Griffith Criterion for Brittle Fracture in Graphene. Nano Letters, 15 (3) (2015), 1918-1924.
Jiangtao Wu, Yujie Wei*. Grain misorientation and grain-boundary rotation dependent mechanical properties in polycrystalline graphene. Journal of the Mechanics and Physics of Solids, 61 (6) (2013), 1421-1432.
Yujie Wei*, Baolin Wang, Jiangtao Wu, Ronggui Yang*, Martin L. Dunn*. Bending rigidity and Gaussian bending stiffness of single-layered graphene. Nano Letters, 13 (1) (2013), 26-30.
Yujie Wei*, Jiangtao Wu, Hanqing Yin, Xinghua Shi, Ronggui Yang*, Mildred Dresselhaus. The nature of strength enhancement and weakening by pentagon-heptagon defects in graphene. Nature Materials, 11 (9) (2012), 759-763.
On plasticity
Shenyou Peng, Zhili Wang, Jia Lia, Qihong Fang*, Yujie Wei*. Beyond Orowan hardening: Mapping the four distinct mechanisms associated with dislocation-precipitate interaction, Int. J. Plasticity, 169 (2023), 103710 (1-11).
Shenyou Peng, Yujie Wei*, Huajian Gao*. Nanoscale precipitates as sustainable dislocation sources for enhanced ductility and high strength. Proceedings of the National Academy of Sciences of the United States of America, 117 (10) (2020), 5204-5209.
Chuangchuang Duan, Yujie Wei*. Scaling of internal dissipation of polycrystalline solids on grain-size and frequency. Acta Materialia, 201 (2020), 350-363.
Shenyou Peng, Yujie Wei*, Zhaohui Jin, Wei Yang. Supersonic screw dislocations gliding at the shear wave speed. Physical Review Letters, 122 (4) (2019), 045501 (1-5).
Xianqi Lei, Yujie Wei*, Bingchen Wei, Wei-Hua Wang. Spiral fracture in metallic glasses and its correlation with failure criterion. Acta Materialia, 99 (2015), 206-212.
Yujie Wei*, Yongqiang Li, Lianchun Zhu, Yao Liu, Xianqi Lei, Gang Wang, Yanxin Wu, Zhenli Mi, Jiabin Liu, Hongtao Wang, Huajian Gao*. Evading the strength-ductility trade-off dilemma in steel through gradient hierarchical nanotwins. Nature Communications, 5 (2014), 3580 (1-8).
Yujie Wei*. A stochastic description on the traction-separation law of an interface with non-covalent bonding. Journal of the Mechanics and Physics of Solids, 70 (2014), 227-241.
Yujie Wei*. Scaling of maximum strength with grain size in nanotwinned fcc metals. Physical Review B, 83 (2011), 132104 (1-4).
Xiaoyan Li, Yujie Wei*, Lei Lu, Ke Lu, Huajian Gao*. Dislocation nucleation governed softening and maximum strength in nano-twinned metals. Nature, 464 (7290) (2010), 877-880.
Yujie Wei, Allan F. Bower, Huajian Gao*. Enhanced strain-rate sensitivity in fcc nanocrystals due to grain-boundary diffusion and sliding. Acta Materialia, 56 (8) (2008), 1741-1752.
Yujie Wei, Allan F. Bower*, Huajian Gao*. Recoverable creep deformation and transient local stress concentration due to heterogeneous grain-boundary diffusion and sliding in polycrystalline solids. Journal of the Mechanics and Physics of Solids, 56 (4) (2008), 1460-1483.
Yujie Wei, Lallit Anand*. Grain-boundary sliding and separation in polycrystalline metals: application to nanocrystalline fcc metals. Journal of the Mechanics and Physics of Solids. 52 (2004), 2587-2616.
On interdisciplinary subjects and engineering systems
Jici Wen, Qingrong Zou, Yujie Wei*. Physics-driven machine learning model on temperature and time-dependent deformation in lithium metal and its finite element implementation. Journal of the Mechanics and Physics of Solids, 153 (2021), 104481 (1-12).
Chunguang Chen*, Ming Jiang, Tao Zhou, Luc Raijmakers, Egor Vezhlev, Baolin Wu, Tobias U. Schülli, Dmitri L. Danilov, Yujie Wei*, Rüdiger-A. Eichel, Peter H. L. Notten*. Interface aspects in all-solid-state Li-based batteries reviewed. Advanced Energy Materials, 11 (13) (2021), 2003939 (1-55).
Jici Wen, Yujie Wei*, Yang-Tse Cheng. Stress evolution in elastic-plastic electrode during the electrical chemical process: A numerical methods and its applications. Journal of the Mechanics and Physics of Solids, 116 (2018), 403-415.
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*. 页岩气开采中的若干力学前沿问题. 力学进展, 49 (1) (2019), 201901 (1-236).
Yuewu Liu, Dapeng Gao, Qi Li, Yizhao Wan, Wenjie Duan, Xiaguang Zeng, Mingyao Li, Yewang Su, Yongbo Fan, Shihai Li, Xiaobing Lu, Dong Zhou, Weimin Chen, Yiqin Fu, Chunhui Jiang, Shaoji Hou, Lisheng Pan, Xiaolin Wei, Zhiming Hu, Xianggang Duan, Shusheng Gao, Rui Shen, Jin Chang, Xiaoyan Li, Zhanli Liu, Yujie Wei*, Zhemin Zheng*. Mechanical frontiers in shale-gas development (in Chinese). Advances in Mechanics, 49 (1) (2019), 201901 (1-236).
该论文获评2022年第七届“中国科协优秀科技论文”（全国共95篇）。
杨国伟, 魏宇杰*, 赵桂林, 刘玉标, 曾晓辉, 邢云林, 赖姜, 张营营, 吴晗, 陈启生, 刘秋生, 李家春, 胡开鑫, 杨中平, 刘文正, 王文静, 孙守光, 张卫华, 周宁, 李瑞平, 吕青松, 金学松, 温泽峰, 肖新标, 赵鑫, 崔大宾, 吴兵, 钟硕乔, 周信. 高速列车的关键力学问题.力学进展, 45 (1) (2015), 217-460.
Guowei Yang, Yujie Wei*, Guilin Zhao, Yubiao Liu, Xiaohui Zeng, Yunlin Xing, Lai Jiang, Yingying Zhang, Han Wu, Qisheng Chen, Qiusheng Liu, Jiachun Li, Kaixin Hu, Zhongping Yang, Wenzheng Liu, Wenjing Wang, Shouguang Sun, Weihua Zhang, Ning Zhou, Ruiping Li, Qingsong Lv, Xuesong Jin, Zefeng Wen, Xinbiao Xiao, Xin Zhao, Dabin Cui, Bing Wu, Shuoqiao Zhong, Xin Zhou. Current research progress in the mechanics of high speed rails (in Chinese). Advances in Mechanics, 45 (1) (2015), 217-460.
论文入选2016年度“领跑者5000—中国精品科技期刊顶尖学术论文（F5000）”；获评2017年“第二届中国科协优秀科技论文”（全国共99篇）和力学进展50年影响力文章。
Yujie Wei*, Mengfen Xia, Fujiu Ke, Xiangchu Yin and Yilong Bai, Evolution-induced catastrophe and its predictability. Pure and Applied Geophysics, 157 (11-12) (2000), 1945-1957.
Y.L. Bai*, Y.J. Wei, M.F. Xia, F.J. Ke. Weibull modulus of diverse strength due to sample-specificity. Theoretical and Applied Fracture Mechanics, 34 (3) (2000), 211-216.
书籍与章节
魏宇杰. 固体工程科学——工程材料的应用力学理论与实践. 高等教育出版社, 2021.
魏宇杰 主编，译著《迈向新高度》，2025年11月第一版，ISBN 978-7-5012-6430-8，世界知识出版社。英文版原文“Toward New Horizon: Science, the Key to Air Supremacy”, a report of the ‘A.A.F. Scientific Advisory Group’ by von Karman, H. S. Tsien, W.R. Sears, et al.
高阳，常正华，魏宇杰. Interfacial Mechanics: From Advanced 2D to 3D Crystalline Materials[J].Comprehensive Structural Integrity, 2023:217-240.DOI:10.1016/b978-0-12-822944-6.00071-2.
