Density gradient
Jet fluid (passive scalar)
LES of jet mixing
in supersonic crossflows
Kawai & Lele, AIAA J. 2010
Center for Next Generation Aircraft Research
Society for high Reynolds number aerodynamics
Welcome to Kawai-Asada Laboratory
Welcome to Kawai Laboratory (Aerodynamic Design Research Group) at the Department of Aerospace Engineering, Tohoku University.
Our research combines theoretical analysis, computational physics, data science, and high-performance computing to develop novel high-fidelity numerical simulation methodologies. These methods enable us to uncover the fundamental flow physics of complex, compressible, multi-scale, and multi-physics flows in aerospace engineering, as well as to create next-generation aircraft aerodynamic design methods. Our interests span a broad range of topics in fluid mechanics, with a focus on compressible flow, turbulence, shock waves, mixing and combustion, high-fidelity numerical methods, data science, physical modeling, machine learning, uncertainty quantification, and related areas in aerospace engineering. For details on current and past projects, please see Research.
Our group is also engaged in the MEXT Program for Promoting Researches on the Supercomputer Fugaku, focusing on digital transformation (DX) in aircraft development through digital flight. Using the world-class computing power of Fugaku, we demonstrate aircraft digital flight by integrating high-fidelity simulations with data-driven science. In collaboration with the Mitsubishi Heavy Industries Group, we are advancing innovative DX technologies for next-generation aircraft design and extending the outcomes of this research to a wide range of industrial products.
We are currently not accepting IMAC-G students or internship applicants unless Soshi Kawai receives a direct email recommendation from a professor who knows the applicant well.
Compressible flow physics and computational engineering in the Kawai Laboratory
Welcome to Kawai Laboratory (Aerodynamic Design Research Group) at the Department of Aerospace Engineering, Tohoku University.
Our research combines theoretical analysis, computational physics, data science, and high-performance computing to develop novel high-fidelity numerical simulation methodologies. These methods enable us to uncover the fundamental flow physics of complex, compressible, multi-scale, and multi-physics flows in aerospace engineering, as well as to create next-generation aircraft aerodynamic design methods. Our interests span a broad range of topics in fluid mechanics, with a focus on compressible flow, turbulence, shock waves, mixing and combustion, high-fidelity numerical methods, data science, physical modeling, machine learning, uncertainty quantification, and related areas in aerospace engineering. For details on current and past projects, please see Research.
Our group is also engaged in the MEXT Program for Promoting Researches on the Supercomputer Fugaku, focusing on digital transformation (DX) in aircraft development through digital flight. Using the world-class computing power of Fugaku, we demonstrate aircraft digital flight by integrating high-fidelity simulations with data-driven science. In collaboration with the Mitsubishi Heavy Industries Group, we are advancing innovative DX technologies for next-generation aircraft design and extending the outcomes of this research to a wide range of industrial products.
We are currently not accepting IMAC-G students or internship applicants unless Soshi Kawai receives a direct email recommendation from a professor who knows the applicant well.
Compressible flow physics and computational engineering in the Kawai Laboratory
What's New
| 2025.10.16 |
 |
Check out our new paper, Transfer function of low-pass filters on unstructured grids published in Computers & Fluids. We analytically derived the transfer function of the filter in the wavenumber space for the unstructured grid method and clarified its characteristics. |
| 2025.10.10 |
 |
Congratulations to Asada for receiving the Best Paper Award and to Yamamoto for receiving the Student Best Presentation Award at the 57th JSASS Fluid Dynamics Conference! |
| 2025.10.07 |
 |
Following last year’s first meeting, we hosted the second research exchange meeting with Professor Goto’s group from Osaka University. The discussions were highly fruitful, and we greatly enjoyed the opportunity to interact and share ideas. |
| 2025.09.22 |
 |
Kawai presented our recent study at The 15th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM-15) in Dubrovnik, Croatia. |
| 2025.09.20 |
 |
Check out our new paper, Applicability of quadratic constitutive relations for turbulent flow simulations in aeronautics published in Journal of Aircraft. We demonstrate the applicability of the RANS model (QCR2024), proposed in our JFM paper, using a range of LES/DNS databases of turbulent separated flows. |
| 2025.09.19 |
 |
Iwatani, Maejima, and Itsui presented their work at The 2025 Annual Meeting of the Japan Society of Fluid Mechanics in Osaka, Japan. |