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Yusa Lab
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A solid mechanics simulation lab that uses computation to reproduce how machines proceed to failure.
AboutAbout the lab
Reproducing by computation how machines break down
The Yusa Lab studies simulation techniques that use computers to reproduce the solid mechanics problems that arise from the time a machine is designed and manufactured, through aging, until it fails.
The lab develops new computational methods for problems involving large deformation, problems in which heat conduction causes deformation, problems involving holes or cracks, and problems that require parallel computing or speedup.
The lab was founded at the University of Electro-Communications in October 2019 and accepts students from the Department of Mechanical and Intelligent Systems Engineering and from the School of Informatics and Engineering, Class III (Science and Engineering).
Key terms
- Solid mechanics
- The field of mechanics that deals with how solids such as metals deform and fracture when force or heat is applied
- Elastoplastic deformation
- Deformation that includes both elastic deformation, which recovers when the force is removed, and plastic deformation, which remains afterward
- Parallel computing
- A method of shortening computation time by dividing one large computation among multiple processors and running the parts simultaneously
NewsLab news
A paper on input parameter search for nonlinear finite element analysis was published in Finite Elements in Analysis and Design
A paper on parallel parametric studies of large-deformation elastoplastic analysis was published in Mechanical Engineering Journal
A Fugaku project for which Associate Professor Yasunori Yusa serves as deputy principal investigator received the Outstanding Achievement Award for HPCI Research Projects
A paper on finite element analysis using laser-measured point clouds was published in International Journal for Numerical Methods in Engineering
ResearchResearch themes
Machines are designed and manufactured, then age over time and eventually fail. The lab studies techniques for using simulation to investigate the various solid mechanics problems that arise over this life cycle.
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MembersFaculty
The members of the Yusa Lab are faculty, master's students, and undergraduate students.As of 2026
- Associate ProfessorYasunori Yusa
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Overall view of fatigue crack propagation test - DPLA - 30f2b431ef775438bf28552268b46754” Watertown Arsenal (Mass.); U.S. Army Materials and Mechanics Research Center. Public Affairs Office / Public domain (cropped)
- Solid Mechanics Simulation Across a Machine's Life Cycle: “FAE visualization” 作者不詳 / Public domain (cropped)
- Related lab (Saito Lab): “Liquid helium lambda point transition” Alfred Leitner photographed this as part of his movie "Liquid Helium, Superfluid". / Public domain (cropped)
- Related lab (Sakano Lab): “CSIRO ScienceImage 2578 Preparing a Protein Crystal sample for Xray” North Sullivan Photography, CSIRO / CC BY 3.0 (cropped)
- Related lab (Chiba Lab): “AGARD-B model on the support in the T-38” Vdjole / CC BY-SA 3.0 (cropped)
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