Profile
Duojia Shi, male, holds a PhD in Engineering. His research focuses on vibration and noise control in engineering structures, including particle damping, phononic crystal vibration isolation, structural dynamic characteristics, and intelligent prediction methods. He has led one open research fund project and participated in one project under the National Natural Science Foundation of China (NSFC) Joint Fund for Enterprise Innovation and Development, two subprojects under the National Key Research and Development Program of China, and one NSFC General Program project. He has published 23 SCI-indexed papers, including nine as first or corresponding author, holds three granted invention patents, and has contributed to the development of one national standard.
Education and Employment
Jul 2026 – Present
Lecturer, State Key Laboratory of Precision Blasting, Jianghan University
Nov 2024 – Nov 2025
Joint PhD Training, Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
Sep 2020 – Jun 2026
PhD in Engineering, Road and Railway Engineering, Southwest Jiaotong University
Sep 2016 – Jun 2020
Bachelor of Engineering, Civil Engineering, Hubei University of Technology
Publications
1. Duojia Shi, Caiyou Zhao *, Jiaxin Lei, Xinhao Zhang, Pengzhan Liu, Tao Lu, Feng Bing Ng, Ping Wang. Mechanism and Application of Obstacle-Grid Tuned Particle Impact Dampers for Railway Track Vibration and Noise Mitigation. Engineering Structures, 2025. (CAS Division 1; Top; JCR Q1, IF=6.4)
2. Caiyou Zhao, Duojia Shi * (corresponding author), Junyuan Zheng, Yawen Niu, Ping Wang. New floating slab track isolator for vibration reduction using particle damping vibration absorption and bandgap vibration resistance. Construction and Building Materials, 2022. (CAS Division 1; Top; JCR Q1, IF=8.0)
3. Mingjing Geng, Duojia Shi * (corresponding author), Jiaxin Lei, Caiyou Zhao, Ping Wang. Effects of particle damped phononic crystal isolators on wave propagation and vibration isolation in periodic floating slab tracks. Construction and Building Materials, 2026. (CAS Division 1; JCR Q1, IF=8.0)
4. Duojia Shi, Pengzhan Liu, Xinhao Zhang, Caiyou Zhao *, Bing Feng Ng *, Ping Wang. An in-depth investigation into the Modeling and Nonlinear Vibration Behavior of a Coupled Particle Damper–Nonlinear Energy Sink System. Nonlinear Dynamics, 2025. (CAS Division 2; Top; JCR Q1, IF=6.0)
5. Duojia Shi, Pengzhan Liu, Tao Lu, Yi Qiu, Linlin Xie, Bingfeng Ng, Caiyou Zhao *, Ping Wang. Integrated Floating Slab Dynamic Vibration Absorber Based on Tuned Liquid Particle Damping: Theory, Modeling, and Experimentation. Structural Control and Health Monitoring, 2025. (CAS Division 2; JCR Q1, IF=5.1)
6. Duojia Shi, Jiaxin Lei, Tao lu, Pengzhan Liu, Xin Gao, Caiyou Zhao *, Bing Feng Ng *, Ping Wang. Deep belief network-augmented adaptive direct simulation Monte Carlo for performance prediction of particle dampers. Computers and Structures, 2025. (CAS Division 2; JCR Q1, IF=4.8)
7. Duojia Shi, Caiyou Zhao *, Xinhao Zhang, Junyuan Zheng, Nachao Wei, Ping Wang. Application and optimization design of non-obstructive particle damping-phononic crystal vibration isolator in viaduct structure-borne noise reduction. Journal of Central South University, 2023. (CAS Division 2; JCR Q1, IF=4.4)
8. Duojia Shi, Xinhao Zhang, Zhanlin Gong, Ying Li, Linlin Xie, Caiyou Zhao *, Ping Wang. Dissipation Mechanism and Spatial Vibration Behavior of Floating Slab Track with Particle Damping Phononic Crystal Isolator under Falling Wheel Impacts. Journal of Vibration and Control, 2025. (CAS Division 2; JCR Q2, IF=2.4)
9. Caiyou Zhao, Duojia Shi * (corresponding author), Rui Shi, Yi Yang, Xin Gao, Ping Wang, Linlin Xie. Method for Predicting Environmental Vibration Impact of Existing Subway Lines and Its Practical Application. Transportation Research Record, 2024. (CAS Division 3; JCR Q3, IF=1.8)
10. Duojia Shi, Caiyou Zhao, Qiang Yi, Mingkai Zhang, Xin Gao, Ping Wang. Vibration and noise reduction characteristics of a dynamic vibration absorber for grooved rails based on acoustic black hole wave control technology. Journal of Vibration and Shock, 2024. (EI-indexed journal; in Chinese)
11. Jinhui Liu, Duojia Shi* (corresponding author), Wenwu Liu. Lateral displacement characteristics of steel spring floating slab track on curved metro sections. Journal of East China Jiaotong University, 2021. (Chinese Science and Technology Core Journal; in Chinese)
12. Jiaxin Lei, Duojia Shi, Mingjing Geng, Caiyou Zhao *, Weiqun Liu, Ping Wang. Dual-phase compression-torsion metamaterial for metro track vibration control. International Journal of Mechanical Sciences, 2026. (CAS Division 1; Top; JCR Q1, IF=8.0)
13. Jiaxin Lei, Duojia Shi, Yangyong Luoze, Changsheng Zhou, Hualong Zhou, Caiyou Zhao *, Ping Wang. An optimal vibration control strategy in the subway turnouts using the novel design of frog particle damping device based on the CPOBP-NSWOA hybrid method. Construction and Building Materials, 2025. (CAS Division 1; Top; JCR Q1, IF=8.0)
14. Pengzhan Liu, Duojia Shi, Morgan WeiZhi Tan, Ming Li, Xin Zhang, Guicai Liu, Shi Hao Lim , Hang Yin, Man Pun Wan, Grzegorz Lisak, Bing Feng Ng *. Reshaping particle entrainment dynamics in single-source airborne sound fields. Powder Technology, 2025. (CAS Division 2; JCR Q2, IF=4.6)
15. Pengzhan Liu, Duojia Shi, Xin Zhang, Man Pun Wan, Bing Feng Ng *. Acoustic black hole-tailored circular meta-radiators for centrally aligned ultrasonic focal spots. Sensors and Actuators A: Physical, 2025. (CAS Division 3; JCR Q1, IF=4.9)
16. Sian Hu, Caiyou Zhao *, Duojia Shi, Junyuan Zheng, Ping Wang. Research on upper shear hinge force transmission mechanism and transient dynamic behavior of steel spring floating slab track. Engineering Structures, 2025. (CAS Division 1; Top; JCR Q1, IF=6.4)
17. Xinhao Zhang, Caiyou Zhao *, Duojia Shi, Pengzhan Liu, Tao Lu, Rong Chen, Ping Wang. Gene-modified acoustic metamaterials for improving the low-frequency broadband noise reduction performance of sound barriers for transportation buildings. Journal of Building Engineering, 2025. (CAS Division 2; JCR Q1, IF=7.4)
18. Junyuan Zheng, Caiyou Zhao *, Duojia Shi, Ping Wang, Jian Wang, Bolong Jiang, Xi Sheng. A method for support stiffness failure identification in a steel spring floating slab track of urban railway: a case study in China. Journal of Zhejiang University-SCIENCE A, 2024. (CAS Division 2; JCR Q1, IF=3.9)
19. Junyuan Zheng, Caiyou Zhao, Xinhao Zhang, Xinchi Zhong, Duojia Shi, Ping Wang. A field study of train-interior noise using objective measurements and subjective perceptions. Transportation Research Part D: Transport and Environment, 2024. (CAS Division 1; Top; JCR Q1, IF=7.7)
20. Xinhao Zhang, Qi Yu, Caiyou Zhao, Duojia Shi, Mingjing Geng, Junyuan Zheng, Tao Lu, Ping Wang. Modular reverse design of acoustic metamaterial and sound barrier engineering applications: High ventilation and broadband sound insulation. Thin-Walled Structures, 2024. (CAS Division 2; Top; JCR Q1, IF=6.6)
21. Pengzhan Liu, Xiaopeng Shang, Morgan WeiZhi Tan, Duojia Shi, Xin Zhang, Guicai Liu, Shi Hao Lim, Hang Yin, Man Pun Wan, Grzegorz Lisak, Bing Feng Ng. Rapid and versatile numerical simulations of acoustic agglomeration by the fixed pivot-based population balance modeling. Powder Technology, 2025. (CAS Division 2; JCR Q2, IF=4.6)
22. Pengzhan Liu , Xin Zhang, Xiaopeng Shang, Duojia Shi, Morgan WeiZhi Tan, Guicai Liu, Shi Hao Lim, Hang Yin, Man Pun Wan, Grzegorz Lisak, Bing Feng Ng. Ultrasonic agglomeration of flowing aerosol particles: Experiments and fixed pivot-based spatial population balance modelling, Powder Technology, 2025. (CAS Division 2; JCR Q2, IF=4.6)
23. Xin Zhang, Pengzhan Liu, Guicai Liu, Shi Hao Lim, Shi Hao Lim, Hang Yin, Duojia Shi, Man Pun Wan, Grzegorz Lisak, Stephan Heberlein, Krishnamoorthy Baskaran, Bing Feng Ng *. Pilot-scale ultrasonic agglomeration of flue gas particulates for reduced energy consumption during industrial gas cleaning. Journal of Cleaner Production, 2026. (CAS Division 1; Top; JCR Q1, IF= 10.0)
Invention Patents
1. Caiyou Zhao, Duojia Shi, Jingmang Xu, Ling Pang, Xiaotao Wang, Duoke Zheng, Jinbing Yang, Yannan Zhao, Junyuan Zheng, Xin Gao. Ultra-high-performance rubber pad material for railway tracks, preparation method, and pad structure. ZL 202310607425.8. (Chinese invention patent)
2. Caiyou Zhao, Ping Wang, Duojia Shi, Liuchong Wang, Junyuan Zheng, Xin Gao, Yannan Zhao, Yawen Niu, Xinhao Zhang, Ziyang Song, Yuxuan Wang, Sian Hu. Floating slab track isolator integrating particle damping vibration absorption and bandgap vibration resistance. ZL 202210203326.9. (Chinese invention patent)
3. Caiyou Zhao, Ping Wang, Xin Gao, Liuchong Wang, Zhuang Wan, Junyuan Zheng, Yannan Zhao, Duojia Shi, Yi Yang, Yawen Niu, Xue Wu, Xiaoyu Kong. Method for the layout and parameter optimization of vibration mitigation devices for rail transit. ZL 202011545045.9. (Chinese invention patent)
4. Caiyou Zhao, Junyuan Zheng, Ping Wang, Xin Gao, Xinhao Zhang, Duojia Shi, Jiaxin Lei, Sian Hu, Yuxuan Wang, Mingjing Geng, Qingmin Hui. Curve squeal control method based on dither force injection. ZL 202510077245.2. (Chinese invention patent)
Major Research Projects
1. NSFC General Program: Structural design and vibration and noise reduction characteristics of phononic crystal floating slab track. Project No. 51978585. Role: Participant.
2. National Key Research and Development Program of China, subproject: Key technologies and equipment for intelligent operation and maintenance of high-speed railway infrastructure. Project No. 2023YFB2603700. Role: Participant.
3. National Key Research and Development Program of China, subproject: Noise and vibration characteristics and control technologies for high-speed railway infrastructure at 400 km/h. Project No. 2022YFB2603404. Role: Participant.
4. Joint Fund for Enterprise Innovation and Development: Mechanisms of low- and mid-frequency noise generation and propagation in passenger compartments of lightweight high-speed trains and methods for precise transmission blocking. Project No. U25B20231. Role: Participant.
5. Research project funded by China Railway Eryuan Engineering Group Co., Ltd.: Key technologies for wheel–rail system matching optimization based on refined design of curve superelevation. Project No. KYL202511-0018. Role: Participant.
6. Research project funded by Guangzhou Metro Design and Research Institute: Research and engineering application of a novel floating slab track isolator–phononic crystal isolator system. Project No. KYL202305-0063. Role: Participant.
7. Open Research Fund of the Large Multifunctional Shaking Table Array Laboratory, Beijing University of Civil Engineering and Architecture: Control of vibration and secondary radiated noise in buildings above metro lines using tuned liquid particle damping technology. Project No. 2023MFSTL12. Role: Principal Investigator.
8. Research project funded by CRRC Zhuzhou Times New Material Technology: Online vibration and noise testing of low-noise rail dampers and rail dynamic vibration absorbers for rail transit. Project No. KYL202305-0160. Role: Participant.
9. Engineering project funded by Chengdu Rail Transit Group: Analysis of metro noise characteristics at different speeds and investigation of source-specific control measures. Project No. YY-YY-FW-CS-2019-176. Role: Participant.
Honors and Awards
1. National Scholarship for Doctoral Students, 2025.
2. National Construction of High-Level Universities Government-Sponsored Postgraduate Program, 2024.
3. Outstanding Graduate, Southwest Jiaotong University, 2025.
4. Fuguang Railway Award, 2022.
5. Major Railway Science and Technology Innovation Achievement, National Railway Administration (ranked 8th of 8 contributors), 2022.
6. Urban Rail Transit Technology Innovation and Promotion Project, Urban Rail Transit Branch of the China Civil Engineering Society (ranked 4th of 15 contributors), 2025.
