Basic Information

 

Prof. Dr. CHENGJUN WU  

       

Email: cjwu@mail.xjtu.edu.cn

Institute of Intelligent Diagnosis & Control for Equipment

School of Mechanical Engineering

Xi’an Jiaotong University

Xi’an 710049, P. R. China 

Education

1995.9 - 1999.3: Ph.D. in Mechanical Engineering, Xi’an Jiaotong University.

1990.9 - 1993.6: M.S.   in Vibration, Impact and Noise, Xi’an Jiaotong University.

1986.9 - 1990.7: B.S.    in Mechanical Manufacturing, Xi’an Jiaotong University.                  

professional Experience

1997.7-2001.6:    Lecturer

                            School of Mechanical Engineering, Xi’an Jiaotong University

2001.7-2002.1:    Research Associate

                            Department of Automation & Computer-Aided Engineering
   The Chinese University of Hong Kong 

2001.7-2007.8:     Associate Professor

                             School of Mechanical Engineering, Xi’an Jiaotong University

2007.8 - Present:  Professor

                             School of Mechanical Engineering, Xi’an Jiaotong University

2011.2-2012.1:     Visiting Professor

                             School of Mechanical Engineering，The University of Western Australia

2017.7：               Faculty Teaching Development Program

                             Georgia Institute of Technology

Research fields

  •   Dynamic analysis  and optimization design for mechanical structures
  •   Vibroacoustic analysis and control for electromechanical products
  •   CFD & CAA simulation
  •   Particle damping  technique
  •   Numerical modeling for laser processing

Recently Publications

  • Chenxi Li, Chengjun Wu*, Chao Zhang. Wavelet denoising based on comprehensive index optimization and improved L2 regularization for load identification. Journal of Vibration and Control 2025, 31(7-8):1093–1107, https://doi.org/10.1177/10775463241239790.
  • Chao Zhang, Di Zhang, Fujie Yin, Mingjie Guo, Fuyin Ma, Chengjun Wu*. “Borrow-force-attack-force” by multi-scale elastic metamaterial with nonlinear damping. Composites Part B: Engineering 2025, 288, 111884, 16 pages, https://doi.org/10.1016/j.compositesb.2024.111884.
  • Zhang, Chunbo, Wu, Chengjun*，Yuan, Haotian. Numerical Simulation of Chemical Reaction Mechanism during Ultrafast Laser Ablation with Different Pulse Numbers under the Action of Plasma. Journal of Mechanical Engineering, 2024, 60(8): 94-106. https://doi.org/10.3901/JME.2024.08.094. (In Chinese)
  • Xingzhong Wang, Chao Zhang, Shiteng Rui, Chengjun Wu, Weiquan Zhang, Fuyin Ma. Multi-scale material/structure integrated elastic metamaterial for broadband vibration absorbing. Materials & Design 2024, 238, 112705, 14 pages. https://doi.org/10.1016/j.matdes.2024.112705.
  • Ziyang Liu, Chengjun Wu*, Donghong Wang. Study on the flow and acoustic field of an electronic expansion valve under refrigeration condition with phase change. Shock and Vibration 2022, 6714925, 9 pages. https://doi.org/10.1155/2022/6714925.
  • Tianhao Wu, Chengjun Wu*: Numerical simulation and experiments of multiple reflection and stratified absorption mechanism of pulsed laser in picosecond laser. Optics and Laser Technology 2021, 135, ID:106654, 1-11. https://doi.org/10.1016/j.optlastec.2020.106654.
  • Qing Tang, Chengjun Wu*, TianhaoWu: Defocusing effect and energy absorption of plasma in picosecond laser drilling. Optics Communications 2021, 478, ID: 126410, 1-10. https://doi.org/10.1016/j.optcom.2020.126410.
  • Bin Zhao, Cheng J. Wu*: Sound quality evaluation of electronic expansion valve using Gaussian restricted Boltzmann machines based on DBN. Applied Acoustics 2020, 170, ID:107493, 1-15. https://doi.org/10.1016/j.apacoust.2020.107493.
  • Renliang Zhang, Yantong Zhang, Zhanpeng Zheng, Lei Mo, Chengjun Wu*: Parametrical optimization of particle dampers based on particle swarm algorithm. Applied Acoustics 2020, 160, ID:107083, 1-10.https://doi.org/10.1016/j.apacoust.2019.107083.
  • Zhanpeng Zheng, Chengjun Wu, Donghong Wang: A novel method for force identification based on filter and FEM. Journal of Vibration and Control 2019, 25(19-20): 2656–2666.
  • Zhanpeng Zheng, Chengjun Wu, Hengliang Wu, Jianyong Wang and Xiaofei Lei: Vibration isolation performance of nonobstructive particle damping in a machine rack. Journal of Vibration and Control 2019, 25(5): 1122–1130.
  • Xiaofei Lei, Chengjun Wu: Investigating the optimal damping performance of a composite dynamic vibration absorber with particle damping. Journal of Vibration Engineering & Technologies 2018, 6(6): 503–511.
  • Xiaofei Lei, Chengjun Wu and Hengliang Wu: A novel composite vibration control method using double-decked floating raft isolation system and particle damper. Journal of Vibration and Control 2018, 24(19): 4407–4418.
  • Zongji Zheng, Chengjun Wu, Siyuan Liu, Xianbin Yang：Analysis of energy occupying ratio of Coulomb explosion and thermal effect in picosecond pulse laser processing. Optics Communications 2018, 424: 190-197.
  • Renliang Zhang, Chengjun Wu, Yantong Zhang: A novel technique to predict harmonic response of Particle-damping structure based on ANSYS® secondary development technology. International Journal of Mechanical Sciences 2018, 144:877–886.
  • Xiaofei Lei, Chengjun Wu, Peng Chen: Optimizing parameter of particle damping based on Leidenfrost effect of particle flows. Mechanical Systems and Signal Processing 2018, 104:60-71.
  • Chao Zhang, Hongli Meng, Chengjun Wu: A robust force identification method based on L1+2-norm approximation theory. Proceedings of the 53rd International Congress on Noise Control Engineering (Inter-Noise 2024), Nantes, France, August 25-29, 2024.
  • Zhaobin，Chengjun Wu: Sound quality prediction of electronic expansion valve based on subjective and objective evaluation. Proceedings of the 48th International Congress on Noise Control Engineering （Inter-Noise 2019）, Madrid, Spain, June 15-19, 2019.
  • Zhanpeng Zheng，Chengjun Wu: An improved method for dynamic load identification based on Tikhonov regularization. Proceedings of the 47th International Congress on Noise Control Engineering （Inter-Noise 2018）, Chicago, Illinois, USA, August 26-29, 2018.
  • Zongji Zheng, Chengjun Wu, Siyuan Liu: A comprehensive numerical model for laser ablation. Proceedings of LPM2018 - the 19th International Symposium on Laser Precision Microfabrication, Edinburg, UK, June 25-28, 2018.