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Solid Mechanics Lab
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A lab that unravels buckling and wrinkling when solids undergo large deformation.
AboutAbout the lab
Uncovering instabilities in solids that deform greatly.
The Solid Mechanics Lab (Okumura Lab) studies the mechanical properties of a wide variety of solids, including metals, cellular structures, and hydrogels.
It pays particular attention to the unstable deformation behavior that occurs when solids undergo large deformation.
The lab works on building mechanical frameworks and developing material models, and uses them to analyze unresolved problems.
Assigned students become proficient in mechanics of materials and solid mechanics, while learning a broad range of skills, from the basics of CAE to specialized techniques.
Key terms
- Hydrogel
- A soft solid in which a network of polymers swells with a large amount of water
- Buckling
- A phenomenon in which a slender member or thin film under compressive force suddenly bends or ripples
- CAE (computer-aided engineering)
- A technology that computes a product's strength, deformation, and other properties on a computer to support design
NewsLab news
A master's student received the Outstanding Student Presentation Award from the Digital Materials Engineering Division Committee of the Society of Materials Science, Japan
Assistant Professor Kojima received the Outstanding Presentation Award from the Society of Materials Science, Japan, among other awards
A master's student received the fiscal 2025 Outstanding Student Award from the Society of Instrument and Control Engineers (SICE)
A student received the Best Presentation Award at the TEC26 undergraduate thesis research conference
A master's student received a Presentation Award at the Japan Conference on Computational Engineering and Science
ResearchResearch themes
The lab studies the mechanical properties of diverse solids, including metals, which are important as industrial materials, cellular structures with a cell-like microstructure, and hydrogels, whose main component is water. Its work includes lightweight aerospace structures made by 3D printing, control of unstable deformation inspired by living organisms, creation of surface textures through buckling, and material models based on machine learning.
View More ↗MembersFaculty
The Solid Mechanics Lab consists of faculty members, doctoral and master's students, graduate research students, undergraduate students, and administrative assistants.As of 2026
- ProfessorDai Okumura
- Associate ProfessorSo Nagashima
- Assistant ProfessorYuta Kojima
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: “Buckledmodel” Grahams Child / CC BY-SA 3.0 (cropped)
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