Continuum and atomistic scale computational mechanics for structures with small length scales. With on-demand call to molecular dynamics simulations and scale up to continuum level constitute models, where predictions can be made for laboratory accessible time and length scales.
Material systems including: crystal plasticity in singly/poly crystalline metals, interfacial/grain-boundary mechanics in nanostructured materials, amorphous solids, nanowires, soft materials.
 Xiaokun Gu, Zhenqian Pang, Yujie Wei*, Ronggui Yang*. On the influence of junction structures on the mechanical and thermal properties of carbon honeycombs. Carbon, 2017, 119, 278-286.
 Chuangchuang Duan, Yujie Wei*. Theory on Bending in Cantilever Beams With Adsorbed Islands. Journal of Applied Mechanics, 2017(84), 071006.
 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, DOI: 10.1016/j.jmps.2016.12.012.
 Shangyu Liu, Yujie Wei*. The Gaussian distribution of lattice size and atomic level heterogeneity in high entropy alloys. Extreme Mechanics Letters 11, 84-88 (2017).
 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 Lett., 2017, 17, 179–185, DOI: 10.1021/acs.nanolett.6b03711.
 Peng Wang, Shaofeng Xu, Jiabin Liu, Xiaoyan Li, Yujie Wei, Hongtao Wang, Huajian Gao, Wei Yang. Atomistic simulation for deforming complex alloys with application toward TWIP steel and associated physical insights. Journal of the Mechanics and Physics of Solids 98, 290-308 (2017).
 Zhenqian Pang,XinghuaShi,Yujie Wei*,Daining Fang*. Grain boundary and curvature enhanced lithium adsorption on carbon. Carbon,2016,107:557-563.
 Xiaguang Zeng,Yujie Wei*. The influence of crack-orientation distribution on the mechanical properties of pre-cracked brittle media. International Journal of Solids and Structures,2016,96:64-73.
 Shenyou Peng,Yujie Wei*. On the influence of interfacial properties to the bending rigidity of layered structures. Journal of the Mechanics and Physics of Solids,2016,92:278-296.
 Zhiwei Ma, Jiabin Liu, Gang Wang, Hongtao Wang, Yujie Wei* & Huajian Gao*. Strength gradient enhances fatigue resistance of steels. Scientific Reports 6, 22156 (2016).