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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-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

2026.01.27
NEW
Kawai was invited by Hitachi Ltd. to give a lecture on high-fidelity compressible flow analysis, focusing on a framework that enables seamless, automated handling without requiring explicit consideration of pre- and post-processing stages.
2026.01.21
NEW
Congratulations to Itsui for receiving the Young Researcher Best Presentation Award at the 2025 Annual Meeting of the Japan Society of Fluid Mechanics!
2026.01.21
NEW
Congratulations to Asada for receiving the Best Paper Award at the 57th JSASS Fluid Dynamics Conference!
2026.01.21
NEW
Congratulations to Yamamoto for receiving the Student Best Presentation Award at the 57th JSASS Fluid Dynamics Conference!
2026.01.16
Asada, Kawai, Sashida, and Yoshida, presented their research at the AIAA SciTech 2026, held in Orlando, USA.
2025.12.26
We invited Professor Masanobu Inubushi from the Tokyo University of Science to discuss a wide range of topics, including chaotic dynamical systems, reservoir computing, phase reduction, input-output analysis, and the analysis of time-varying system dynamics.
Old News