刘凯，男，博士，硕士研究生导师，长期从事载运装备轻量化与安全方面研究。

主持国家重点研发计划子课题、湖南省自然科学基金、国防军工及重大校企合作项目多项，发表SCI Q1级期刊论文20余篇，授权国家发明专利8项。

获中国科技产业促进会科学技术奖，担任中国复合材料协会轨道交通分委会委员、Biomimetics与Applied Sciences等SCI期刊专刊主编、多个国际权威SCI期刊审稿专家。

每年招收硕士生2~3名，课题组经费充足，氛围融洽，可根据学生兴趣和擅长，灵活选择研究方向和内容。

已指导/协助指导的博士、硕士生，人均至少1篇SCI Q1论文。

热烈欢迎交通、土木、力学、机械、兵器科学与技术等专业同学前来交流，并期待你的加入！

邮箱：liu_kai@csu.edu.cn

研究领域及方向：

1. 极端条件载运装备服役安全

• 多异物冲击复合材料装备安全

• 超高速冲击先进防护装备安全

• 交通装备全生命周期本构安全

2. 材料/结构轻量化及多功能设计

• 高性能轻质吸能力学超材料

• 承载/吸能/隔振一体化材料

• 吸/隔声-力耦合多功能材料

3. 多尺度智能仿真与数字工程

• 并发多尺度建模与仿真技术

• 机器学习复杂本构建模与表征

• 智能驱动全生命周期安全管理

主持的科研项目：

[1] 国家科技部: 载运装备复杂环境服役性能评估及轻量化设计理论方法研究 (2022YFB4300101), 2022-12-01~2027-11-30, 经费240万元, 主持。

[2] 中央军委科技委: 地空XXX演示验证轻量化装置研究, 2024-01-01~2025-01-01, 经费300万元, 主持。

[3] 中国兵器工业集团重大专项: XXX系列化及性能提升关键技术研究 (BQGY2025LK01), 2023-12-01~2025-12-31, 经费100万元, 主持。

[4] 中央高校基本科研业务项目: 先进载运装备极端环境服役安全评估及增强设计方法研究 (502044001), 2022-11-30~2025-11-30, 经费25万元, 主持。

[5] 湖南省科学技术厅: 液体相变动压复合材料容器理论建模及并发多尺度分析 (2023JJ40734), 2023-01-01~2025-12-31, 经费5万元, 主持。

[6] 中国航天科工集团: Y23铝蜂窝缓冲器技术开发 (G-A357-FW-2022-0103), 2022-12-01~2025-12-31, 经费18万元, 主持。

发表的论文：

[1] Kai Liu, Shujian Yao*, Zhifu Wang, Zhaijun Lu*. A phase-diagram-formulated EOS and fluid-solid coupling analysis for eco-friendly blasting of carbon dioxide phase transition[J].Energy,2024,313. 

(IF=9.4, SCI JCR Q1, 中科院一区TOP).

[2] Kai Liu, Lanren Tian, Tianyu Gao, Zhonggang Wang, Pei Li*. An explicit D-FE² method for transient multiscale analysis[J]. International Journal of Mechanical Sciences,2025,285. 

(IF=9.4, SCI JCR Q1, 中科院一区TOP).

[3] Kai Liu, Lu Meng, Ang Zhao, Zhonggang Wang, Leilei Chen, Pei Li*. A hybrid direct FE² method for modeling of multiscale materials and structures with strain localization[J]. Computer Methods in Applied Mechanics and Engineering,2023,412. 

(IF=7.3, SCI JCR Q1, 中科院一区TOP).

[4] Kai Liu, Pei Li, Zhonggang Wang*. Buckling-regulated origami materials with synergy of deployable and undeployable features[J]. International Journal of Mechanical Sciences,2023,247. 

(IF=9.4, SCI JCR Q1, 中科院一区TOP).

[5] Shujian Yao, Hui Zhou, Tianyu Gao, Feipeng Chen, Zhifu Wang, Kai Liu*. Origami-inspired highly impact-resistant metamaterial with loading-associated mechanism and localization mitigation [J]. International Journal of Mechanical Sciences, 2025,290.

(IF=9.4, SCI JCR Q1, 中科院一区TOP).

[6] Zhonggang Wang, Shaocheng Yao, Kai Liu*, Kai Wei, Tianyu Gao, Minquan Zhao. Origami embedded honeycomb with three-axial comparable and improved energy absorption performance[J]. Thin-Walled Structures,2023,193. 

(IF=6.6, SCI JCR Q1, 中科院一区TOP).

[7] Zhonggang Wang, Xinxin Wang, Kai Liu*, Jian Zhang, Zhaijun Lu. Crashworthiness index of honeycomb sandwich structures under low-speed oblique impact[J]. International Journal of Mechanical Sciences,2021,208. 

(IF=9.4, SCI JCR Q1, 中科院一区TOP).

[8] Shujian Yao, Feipeng Chen, Yanjing Wang, Hui Zhou, Kai Liu*. Manufacturing defect-induced multiscale weakening mechanisms in carbon fiber reinforced polymers captured by 3D CT-based machine learning and high-fidelity modeling[J]. Composites Part A, 2025,197.

(IF=8.9, SCI JCR Q1, 中科院二区TOP).

[9] Kai Liu, Pei Li, Zhonggang Wang*. A rate-sensitive and pressure-dependent failure criterion for hail ice[J]. International Journal of Impact Engineering,2022,168. 

(IF=5.7, SCI JCR Q1, 中科院一区).

[10] Kai Liu, JiaLong Liu, Zhonggang Wang*. A damage threshold prediction model of CFRP panel by hail impact based on delamination mechanism[J]. Engineering Fracture Mechanics,2020,239. 

(IF=5.1, SCI JCR Q1, 中科院二区).

[11] Zhonggang Wang, Minquan Zhao, Kai Liu*, Ke Yuan, Jiajie He. Experimental analysis and prediction of CFRP delamination caused by ice impact[J]. Engineering Fracture Mechanics,2022,273. 

(IF=5.1, SCI JCR Q1, 中科院二区).

[12] Kai Liu, Pei Li, Zhonggang Wang*. Statistical modeling of random hail impact[J]. Extreme Mechanics Letters, 2021,48. 

(IF=4.5, SCI JCR Q1, 中科院三区).

[13] Lumin Shen, Yuanzhi Wu, Tuo Ye, Tianyu Gao, Shanmei Zheng, Zhihao Long, Xi Ren, Huangyou Zhang, Junwen Huang, Kai Liu*. Biomimetic Modular Honeycomb with Enhanced Crushing Strength and Flexible Customizability[J]. Materials, 2024,17(20). 

(IF=3.2, SCI JCR Q2, 中科院三区).

[14] Chaozhi Zhai, Shaocheng Yao, Quanwen Li, Dalian Yu, Shujian Yao, Kai Liu*. Mechanical analysis and bionic improvement on buckling of CFRP tubes with high energy absorption capacity[J]. Advanced Composite Materials, 2024. 

(IF=2.3, SCI JCR Q3, 中科院四区).

[15] Tianyu Gao, Kai Liu, Qingping Ma, Junhao Ding, Zongxin Hu, Kai Wei, Xu Song*, Zhendong Li, Zhonggang Wang*. Unveiling the mechanics of micro-LPBF manufactured hierarchical composites: a novel FE²-nested homogenisation approach[J]. Virtual and Physical Prototyping, 2025,20(1). 

(IF=8.8, SCI JCR Q1,中科院一区TOP). 

[16] Tianyu Gao, Kai Liu, Xinxin Wang, Lumin Shen, Yiming Zhao, Kai Wei, Zhonggang Wang*. Elastic wave manipulation via functional incorporation of air-solid phases in hybrid TPMS[J]. Composites Communications, 2023,44. 

(IF=7.7, SCI JCR Q1, 中科院二区).

[17] Tianyu Gao, Kai Liu, Xinxin Wang, Kai Wei, Zhonggang Wang*. Multi-level mechanism of biomimetic TPMS hybridizations with tailorable global homogeneity and heterogeneity[J]. Extreme Mechanics Letters,2024,68. 

(IF=4.5, SCI JCR Q1, 中科院三区).

[18] 付少青,刘凯,熊伟,周伟*.交变气动载荷作用下高速列车风机底板连接铆钉疲劳特性研究[J].铁道科学与工程学报,2020,17(12):3003-3012. 

(EI工程索引).

[19] Tianyu Gao, Kai Liu, Xinxin Wang, Zhendong Li, Zhonggang Wang*. Elastic mechanical property hybridization of configuration-varying TPMS with geometric continuity[J]. Materials & Design,2022,221.

(IF=7.9, SCI JCR Q1, 中科院二区).

[20] Ke Yuan, Kai Liu, Zhonggang Wang*, Kai Wei, Mingzhi Yang. Dynamic fracture in CFRP laminates: effect of projectile mass and dimension[J]. Engineering Fracture Mechanics,2021,251. 

(IF=5.1, SCI JCR Q1, 中科院二区).

[21] Ke Yuan, Kai Liu, Zhonggang Wang*, Mingzhi Yang. An investigation on the perforation resistance of laminated CFRP beam and square plate[J]. International Journal of Impact Engineering,2021,157. 

(IF=5.7, SCI JCR Q1, 中科院一区).

[22] Ke Yuan, Kai Liu, Minquan Zhao, Kai Wei, Zhonggang Wang*. The in situ matrix cracking behavior in cross-ply laminates under out-of-plane shear loading[J]. Composite Structures,2022,290. 

(IF=7.1, SCI JCR Q1, 中科院一区).

[23] Zhonggang Wang, Junjie Deng, Kai Liu, Yong Tao*. Hybrid hierarchical square honeycomb with widely tailorable effective in-plane elastic modulus[J]. Thin-Walled Structures,2022,171. 

(IF=6.6, SCI JCR Q1, 中科院一区TOP).

[24] Zhaijun Lu, Zhifu Wang, Shujian Yao*, Mu Zhong, Kai Liu, Jiaqiang Wang. Theoretical and experimental studies on the interior ballistic of large UAV ejection based on trifluoromethane phase transition [J]. Scientific Reports, 2025,15.

(IF=3.9, SCI JCR Q1, 中科院三区).

[25] Lanren Tian, Ling Zhu*, Zhonggang Wang, Kai Liu. Strain rate effects on impulse saturation response based on membrane factor method[J]. Thin-Walled Structures,2024,204. 

(IF=6.6, SCI JCR Q1, 中科院一区TOP).