Research Assistant Professor
The Hong Kong Polytechnic University
q7zhang (at) polyu.edu.hk

Short Bio

Currently, I am a research assistant professor in the Department of Civil and Environmental Engineering at The Hong Kong Polytechnic University. I work with Prof. Zhen-Yu Yin. Prior to joining PolyU, I received my Ph.D. degree in the Department of Civil and Environmental Engineering at Stanford University in June 2021, advised by Prof. Ronaldo I. Borja. My Ph.D. thesis is MATHEMATICAL MODELING OF UNCONVENTIONAL GEOMATERIALS. I received my B.Eng. degree from Tongji University in July 2016, advised by Prof. Hehua Zhu for the final year project, with an undergraduate minor degree in Applied Mathematics.

Research Interests

What is the so-called double porosity media?

What is the typical example of transverse isotropy?

I am interested in understanding and controlling the fundamental poro-mechanical processes that determine the formation and recovery of earth resources from sedimentary rocks to achieve energy and environmental sustainability. At present, my research is focused on formulating innovative theories and developing advanced numerical methods to investigate the multi-scale pore structures, multiple fluid flow patterns, and complex multi-physics processes. Additionally, I am exploring the effects of bedding-induced anisotropy. This comprehensive investigation is aimed at facilitating a transition towards sustainable energy practices, and our results should be applicable to general porous media with slight modifications. By integrating rock experimental testing data (such as the poroelasticity constants) with poromechanics and solid mechanics theory, my team and I aim to build predictive models that can enhance our understanding of shale behavior and contribute to more efficient and sustainable energy extraction practices.


Here are the MATLAB main file and two associated functions (Double contraction and Conversion) for anisotropic elasticity (fourth-order elastic moduli tensor, 9*9 matrix form, Voigt notation 6*6 matrix form, etc.) The theory could be found in this [PDF].

Here is a MATLAB file that explains the concept of Spin of a Tensor in isotropic functions.


My primary teaching objective is to equip students with a solid foundation in geomechanics, fostering their ability to think critically and innovatively. This will enable them to meet the increasing societal demands for energy and environmental sustainability. I am passionate about nurturing their capabilities and enthusiasm for advancing fundamental knowledge in geomechanics. I am keen on teaching both fundamental and applied courses in areas such as rock and soil mechanics, solid mechanics, finite element method, and elasticity and inelasticity. I also aim to offer general courses in geotechnical engineering to cultivate the upcoming generation of leaders in the field of geomechanics.

I have been teaching and giving lectures on (1) Analytical and Numerical Methods in Geotechnical Engineering for Semester Two of 2022/23 and 2023/24; (2) CE620 Research Methods for Semester One of 2023/24 at The Hong Kong Polytechnic University. In addition, I have been a teaching assistant for Computational Poromechanics at Stanford University.

Academic Service

Conference Convener

Journal Reviewer

Manuscripts under consideration

  1. IJNME
    Yin-Fu Jin, Ze-Yu Wang, Qi Zhang, Zhen-Yu Yin, Yu-Ze Wang
    International Journal for Numerical Methods in Engineering (IJNME), NME-Jul-23-0555-R1, major revision, 2024.

  2. Xian-Han Wu, Qi Zhang*, Wei-Qiang Feng*, Zhen-Yu Yin*, Huang-Cheng Fang (*Corresponding author)


  1. Qi Zhang
    Stanford University Ph.D. Thesis, 2021.

  2. PoF
    Xianxiang Zhu, Qi Zhang*, Wenquan Zhang, Lei Jin, Zixu Li (*Corresponding author)
    Physics of Fluids (PoF), 2024.

  3. CGEOT
    Zi-Qi Tang, Xi-Wen Zhou, Yin-Fu Jin, Zhen-Yu Yin, Qi Zhang
    Computers and Geotechnics (CGEOT), 2024.

  4. GGGG
    Jianli Shao, Qi Zhang*, Wenquan Zhang (*Corresponding author)
    Geomechanics and Geophysics for Geo-Energy and Geo-Resources (GGGG), 2024.

  5. IJNAG
    Qi Zhang, Zhen-Yu Yin*, Xia Yan (*Corresponding author)
    International Journal for Numerical and Analytical Methods in Geomechanics (IJNAG), 2024.

  6. E&F
    Qi Zhang, Zhen-Yu Yin, Xia Yan
    Energy & Fuels (E&F), 2023.

  7. JZUS-A
    Zhen-Yu Yin, Qi Zhang, Farid LAOUAFA
    Journal of Zhejiang University-SCIENCE A (JZUS-A), 2023.

  8. EFA
    Zaiyong Wang, Qi Zhang*, Wenquan Zhang (*Corresponding author)
    Engineering Failure Analysis (EFA), 2022.

  9. CMAME
    Qi Zhang, Ze-Yu Wang, Zhen-Yu Yin*, Yin-Fu Jin (*Corresponding author)
    Computer Methods in Applied Mechanics and Engineering (CMAME), 2022.

  10. CGEOT
    Qi Zhang, Xia Yan, Zihao Li
    Computers and Geotechnics (CGEOT), 2022.

  11. Zaiyong Wang, Qi Zhang, Jianli Shao, et al.
    ACS Omega, 2021.

  12. AGER
    Qi Zhang
    Advances in Geo-Energy Research (AGER), 2021.

  13. ESIN

  14. JPSE
    Qi Zhang, Xia Yan, Jianli Shao
    Journal of Petroleum Science and Engineering (JPSE), 2021.

  15. ACTA
    Qi Zhang, Ronaldo I. Borja* (*Corresponding author)
    Acta Geotechnica (ACTA), 2021.

  16. E&F
    Xia Yan, Hai Sun, Zhaoqin Huang, Lijun Liu, Ping Wang, Qi Zhang, Jun Yao
    Energy & Fuels (E&F), 2021.

  17. GAE
    Jianli Shao, Qi Zhang*, Wenquan Zhang, et al. (*Corresponding author)
    Geomechanics and Engineering (GAE), 2021.

  18. NeurIPS
    Qi Zhang, Yilin Chen, Ziyi Yang, Eric Darve
    34th Conference on Neural Information Processing Systems (NeurIPS), Proceedings of the Machine Learning and the Physical Sciences Workshop, 2020.

  19. Zaiyong Wang, Qi Zhang, Jianli Shao, et al.
    ACS Omega, 2020.

  20. Jianli Shao, Qi Zhang, Xintao Wu, et al.
    Water, 2020.

  21. Xianxiang Zhu, Qi Zhang, Wenquan Zhang, et al.
    ACS Omega, 2020.

  22. Jianli Shao, Qi Zhang, Wenbin Sun, et al.
    Geofluids, 2020.

  23. CMAME
    Qi Zhang, Jinhyun Choo, Ronaldo I. Borja* (*Corresponding author)
    Computer Methods in Applied Mechanics and Engineering (CMAME), 2019.

  24. ENGEO
    Qi Zhang, Hehua Zhu
    Engineering Geology (ENGEO), 2018.

  25. arXiv
    Qi Zhang, Zhen-Yu Yin, Xia Yan, Xinyu Wang
    arXiv, 2023.

  26. Qi Zhang, Yilin Chen, Ziyi Yang
    Preprints, 2020.