Hello, I am Shang-Gui Cai (蔡尚炅), associate professor at the Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences & School of Engineering Science, University of Chinese Academy of Sciences.


Welcome to join my team ! If you are interested in Ph.D. or postdoctoral positions, please contact by shanggui.cai@imech.ac.cn

Research Areas

I mainly works on numerical methods for computational fluid dynamics, including :

  • Immersed boundary method
  • Lattice Boltzmann method
  • Large eddy simulation
  • Turbulence wall model
  • Fluid-structure interaction
  • Interfacial flow

with application to industrial fields

  • Aeronautics and Astronautics
  • Fluid machinery
  • Ship hydrodynamics
  • Flow induced vibration
  • Particle-laden flows


Experience

Teaching :

  • Fluid Mechanics: Instructor at Renmin University of China, (09/2022 - )


Reviewing :

  • Journal of Computational Physics
  • Computers & Fluids
  • Physics of Fluids
  • Ocean Engineering
  • Advances in Applied Mathematics and Mechanics
  • Progress in Computational Fluid Dynamics, An International Journal
  • Geoscientific Model Development
  • Fluid Dynamics Research
  • Axioms

Publications

  1. S. Mozaffari, S.-G. Cai*, J. Jacob, P. Sagaut, Lattice Boltzmann k-ω SST based hybrid RANS/LES simulations of turbulent flows, Journal of Computational Physics, 514:113269, 2024.
  2. S.-G. Cai, J. Jacob, P. Sagaut, Immersed boundary based near-wall modeling for large eddy simulation of turbulent wall-bounded flow, Computers & Fluids, 259:105893, 2023.
  3. X. Wang, C. Cai, S.-G. Cai, T. Wang, Z. Wang, J. Song, X. Rong, Q. Li, A review of aerodynamic and wake characteristics of floating offshore wind turbines, Renewable and Sustainable Energy Reviews, 175:113144, 2023.
  4. S.-G. Cai, S. Mozaffari, J. Jacob, P. Sagaut, Application of immersed boundary based turbulence wall modeling to the Ahmed body aerodynamics, Physics of Fluids, 34:095106, 2022.
  5. S.-G. Cai, A. Ouahsine, Y. Hoarau, Moving immersed boundary method for fluid-solid interaction, Physics of Fluids, 34:053307, 2022.
  6. S.-G. Cai, P. Sagaut, Explicit wall model for large eddy simulation, Physics of Fluids, 33:041703, 2021.
  7. J. Degrigny, S.-G. Cai, J.-F. Boussuge, P. Sagaut, Improved wall model treatment for aerodynamic flows in LBM, Computers & Fluids, 227:105041, 2021.
  8. S.-G. Cai, J. Degrigny, J.-F. Boussuge, P. Sagaut, Coupling of turbulence wall models and immersed boundaries on Cartesian grids, Journal of Computational Physics, 429:109995, 2021.
  9. S.-G. Cai, A. Ouahsine, J. Favier, Y. Hoarau, Moving immersed boundary method, International Journal for Numerical Methods in Fluids, 85(5): 288-323, 2017.
  10. S.-G. Cai, A. Ouahsine, J. Favier, Y. Hoarau, Implicit immersed boundary method for fluid-structure interaction, La Houille Blanche, 1:33-36, 2017.
  11. S.-G. Cai, A. Ouahsine, J. Favier, Y. Hoarau, Improved implicit immersed boundary method via operator splitting, In Ibrahimbegovic, A. editor, Computational Methods for Solids and Fluids: Multiscale Analysis, Probability Aspects, Model Reduction and Software Coupling, 49-66, 2016.
  12. S.-G. Cai, A. Ouahsine, P. Sergent, Modelling wave energy conversion of a semi-submerged heaving cylinder, In Ibrahimbegovic, A. editor, Computational Methods for Solids and Fluids: Multiscale Analysis, Probability Aspects, Model Reduction and Software Coupling, 67-79, 2016.
  13. S.-G. Cai, A. Ouahsine, J. Favier, Y. Hoarau, H. Smaoui, Immersed boundary method for the simulation of lid-driven cavity flow with an embedded cylinder, Proceedings of the VI International Conference on Coupled Problems in Science and Engineering, Venice, Italy, May 18-20, 2015.
  14. S.-G. Cai, A. Ouahsine, H. Smaoui, J. Favier, Y. Hoarau, An efficient implicit direct forcing immersed boundary method for incompressible flows, Proceedings of the 3rd International Conference on Mathematical Modeling in Physical Sciences (ICMSQUARE), Madrid, Spain, August 28-31, 2014.


Collaboration

  • ​Pierre Sagaut at Aix-Marseille University