主要从事准零刚度结构设计和超材料低频带隙减振机理等方面的研究。曾参与国家重点研发计划、国家自然科学基金、装备预研重点实验室基金等多项国家和省部级科研项目，在机械工程、动力学领域权威期刊发表SCI/EI论文10余篇。

● 超材料低频带隙机理研究

2. 国家自然科学基金，准零刚度超材料创新设计及低频减振机理研究，11972152，63万，2020.1~2023.12，参与

2. C. Q. Cai, J. X. Zhou, K. Wang, " Flexural wave attenuation by metamaterial beam with compliant quasi-zero-stiffness resonators", Mechanical Systems and Signal Processing, 2022, 174: 109119. (IF8.934/中科院1区top)

3. C. Q. Cai, J. X. Zhou, K. Wang, " Metamaterial plate with compliant quasi-zero-stiffness resonators for ultra-low-frequency band gap", Journal of Sound and Vibration, 2022, 540: 117297. (IF4.761/中科院2区top)

4. C. Q. Cai, J. X. Zhou, K. Wang, " Quasi-zero stiffness metamaterial pipe for ultralow-frequency wave attenuation", Engineering Structures, 2023, 279: 115580. (IF5.582/中科院2区top) (在线发表)

5. Q. D. Lin, J. X. Zhou,C. Q. Cai, " Low-frequency locally resonant band gap of the two-dimensional quasi-zero-stiffness metamaterials", International Journal of Mechanical Sciences, 2022, 222: 107230. (IF6.772/中科院1区)

6. K. Wang, J. X. Zhou,C. Q. Cai, " Bidirectional deep-subwavelength band gap induced by negative stiffness", Journal of Sound and Vibration, 2021, 515: 116474. (IF4.761/中科院2区)

7. K. Wang, J. X. Zhou,C. Q. Cai, " Mathematical modeling and analysis of a meta-plate for very low-frequency band gap", Applied Mathematical Modelling, 2019, 73: 581-597. (IF5.336/中科院2区)

8. 王凯,周加喜,蔡昌琦, "低频弹性波超材料的若干进展"力学学报, 2022, 54: 10 (中文核心)

2. 周加喜，王强，昌耀鹏，蔡昌琦，赵旭辉，谭栋国.一种双层准零刚度隔振器.中华人民共和国国家知识产权局, CN 210510067U；

3. 周加喜，周佳豪，蔡昌琦.一种柔性超低频隔振器.中华人民共和国国家知识产权局，CN216045159U；

4. 周加喜，周贵迁，蔡昌琦.准零刚度弹性联轴器.中华人民共和国国家知识产权局，CN109099072B.

● Email: cqcai@zstu.edu.cn