1.个人简介

   刘小宇，男，陕西乾县人，副教授，博士(后)，硕士生导师，2018年毕业于西安交通大学地球环境与人居工程专业，主要从事服役环境影响下材料力学特性及煤矿安全和防治水的研究工作。任中国岩石力学与工程学会工程安全与防护分会理事，《有色金属(矿山部分)》编委，Buildings客座编辑；International Journal of Rock Mechanics and Mining Sciences、Rock Mechanics and Rock Engineering、Computers and Geotechnics、International Journal of Mining Science and Technology、Construction and Building Materials、Transportation Geotechnics、Journal of Building Engineering、Optical Fiber Technology、工程力学等期刊审稿人。指导学生竞赛获“全国三等奖”1项、“全国优秀奖”3项和“校级三等奖”1项，西安科技大学青年教师教学竞赛三等奖。

Email: xiaoyu-liu@xust.edu.cn

2.发表论文

[1]刘小宇,张慧梅,杨政,等.考虑表面强化或损伤的抗压强度能量平衡尺寸效应模型[J].力学学报,2025,57(3):671-686. (EI)

[2]刘小宇,张慧梅,杨政.考虑局部损伤区变化的能量平衡尺寸效应模型[J].力学学报,2024,56(01):157-172. (EI)

[3]刘小宇，杨政，张慧梅. 准脆性材料抗压强度能量平衡尺寸效应模型. 力学学报. 2022, 54(6): 1-17. (EI)

[4]Liu Xiaoyu, Zhang Huimei, Luo Shenghu. Size effect model with competing mechanism for quasi-brittle materials under uniaxial compression. International Journal of Rock Mechanics and Mining Sciences, 2024,175105686. (SCI, 中科院Top)

[5]Liu Yang, Liu Xiaoyu, Yuan Chao. Improved size effect law (SEL) considering size-dependent fracture process zone (FPZ) for quasi-brittle materials. Journal of Building Engineering, 2024,92109770. (SCI, 中科院Top)

[6]Liu Xiaoyu, Zhang Huimei, Luo Shenghu. Size effect model of nominal tensile strength with competing mechanisms between maximum defect and fracture process zone (CDF model) for quasi-brittle materials. Construction and Building Materials, 2023, 399: 132538. (SCI, 中科院Top)

[7]Liu Xiaoyu, Xiong Zhihua, Zhang Huimei. Nonlinear strain energy based (NSEB) criterion for quasi-brittle materials under multiaxial stress states. Construction and Building Materials, 2023, 375: 131001. (SCI, 中科院Top)

[8]Liu Xiaoyu, Yang Zheng. Evaluation of several multiaxial failure criteria for concrete after freeze-thaw (F-T) cycles. Construction and Building Materials, 2017, 142:233–247. (SCI, JCR 2区)

[9]Liu Xiaoyu, Yang Zheng. Failure mechanism criterion for multiaxial strength of concrete after exposure to normal and high temperatures. Construction and Building Materials, 2016, 125: 105-118. (SCI, JCR 2区)

[10]Liu Xiaoyu, Yang Zheng. Distortion strain energy-based Mohr-Coulomb criterion for concrete failure. Journal of Materials in Civil Engineering, 2017, 29(9):04017105. (SCI, JCR 3区)

[11]Meng Xiangzhen, Zhang Huimei, Liu Xiaoyu. Rock damage constitutive model based on the modified logistic equation under freeze–thaw and load conditions[J]. Journal of Cold Regions Engineering, 2021, 35(4): 04021016. (SCI)

[12]Zhang Huimei, Meng Xiangzhen, Liu Xiaoyu. Establishment of constitutive model and analysis of damage characteristics of frozen- thawed rock under load[J].Arabian Journal of Geosciences, 2021.14(13). (SCI)

[13]Liu, Yang, Xiaoyu Liu, Huimei Zhang, and Fengbo Zhu. A Size Effect Model Combining Both Surface Effects and the Fracture Process Zone (FPZ) for Rocks under Uniaxial Compression. Applied Sciences, 14(20), 9413. (SCI, JCR 1区)

[14]Dang Yike, Yang Zheng, Liu Xiaoyu.Three-dimensional numerical study on failure mechanism of granite after thermal treatment based on moment tensor inversion. Computers and Geotechnics, 2023,155. (SCI, 中科院Top)

[15]Dang Yike, Yang Zheng, Liu Xiaoyu, et al. Numerical study on failure mechanism and acoustic emission characteristics of granite after thermal treatment. Computational Particle Mechanics, 2023, 10(5):1245-1266. (SCI, 中科院Top)

[16]Dang Yike, Yang Zheng, Liu Xiaoyu, et al. Crack propagation mechanism in bedded rock with parallel flaws: Insights from moment tensor inversion. Theoretical and Applied Fracture Mechanics, 2024, 129. (SCI, 中科院Top)

[17]Dang Yike, Yang Zheng, Liu Xiaoyu. Revealing the Influence of Grain Size on Failure Mechanisms and Acoustic Emission Characteristics in Thermally Treated Crystalline Rock: Insights from Moment Tensor Inversion. Rock Mechanics and Rock Engineering, 2024, 57(5):3937-3969. (SCI, 中科院Top)

[18]Yike Dang, Zheng Yang, Shangtong Yang, Xiaoyu Liu & Junlong Shang. Thermal damage in crystalline rocks: the role of heterogeneity. Geomech. Geophys. Geo-energ. Geo-resour. 11, 38 (2025). (SCI, JCR 1区)

3.主持项目

[1]基于能量积聚和耗散的混凝土破坏机理及强度准则研究，陕西省教育厅一般项目，立项年度2019，主持；

[2]侏罗纪浅部煤层重复开采覆岩流-固特征动态演化规律物理及数值模拟，中煤科工西安研究院有限公司，立项年度2022，主持；

[3]白鹭煤矿整合区开采防治水安全性评价，榆林市榆阳区白鹭煤矿，立项年度2022，主

[4]ZTC4铸件表面质量改善研究，西安交通大学外协，立项年度2022，主持；

[5]盐锅峡水电站1号-8号机组厂房结构安全复核静动力分析，中国电建集团西北勘测设计研究院有限公司，立项年度2022，主持；

[6]郝家梁煤矿地质类型划分报告编制，榆林市华瑞郝家梁矿业有限公司，立项年度202023，主持；

[7]郝家梁煤矿“一矿一策”顶层设计方案编制，榆林市华瑞郝家梁矿业有限公司，立项年度2023，主持；

[8]巴拉素煤矿2号煤层两带发育规律研究，中煤科工西安研究院有限公司，立项年度2024，主持.