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Applied Solid Mechanics Lab
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A lab that investigates the deformation and friction of materials and machines through numerical analysis.
AboutAbout the lab
Exploring deformation and friction phenomena through numerical simulation
The Applied Solid Mechanics Lab studies deformation, contact, and friction phenomena in materials and machines through numerical simulation and experiments.
Its research themes include self-healing ceramics, terramechanics, and friction phenomena.
The lab uses numerical analysis such as the finite element method to investigate the behavior of materials and machines.
The lab's website introduces it under the name "Ozaki Lab."
Key terms
- Finite element method
- A numerical analysis method that divides an object into small elements and calculates deformation and the distribution of forces by computer
- Self-healing ceramics
- Ceramics that use the chemical reaction of oxidation at high temperature to rejoin micro-cracks and autonomously recover to a sound state
- Terramechanics
- An interdisciplinary field that deals with the interaction between ground and machines. Its targets include off-road vehicles and lunar and planetary exploration rovers
- Stick-slip motion
- Vibration caused by friction. It becomes a factor that undermines the stability of mechanical systems, through wear, fatigue, noise, and so on
NewsLab news
A paper on predicting the strength variability of ceramics was published in Science and Technology of Advanced Materials: Methods
A student received The Engineering Ceramics Division Best Poster Award at ICACC2026
A paper on predicting the scattering of regolith particles during landing under low gravity was published in Scientific Reports
A student received the Student Excellent Presentation Award at the 53rd Regular Meeting of the Gas Turbine Society of Japan
A paper on finite element analysis of the R-curve behavior of ceramics was published in International Journal of Ceramic Engineering & Science
ResearchResearch themes
Ozaki Lab studies deformation and friction in materials and machines using numerical analysis such as the finite element method. Its research is built around three projects: self-healing ceramics, terramechanics, and friction.
*Illustrative imageConstitutive Model of Self-Healing Ceramics
The lab is building a constitutive model that expresses in equations the progress of damage and the self-healing process in self-healing ceramics, in which micro-cracks heal through high-temperature oxidation. By implementing it in the finite element method, the lab makes it possible to simulate damage and healing even under conditions where temperature and oxygen partial pressure vary.
*Illustrative imagePredicting Strength Variability by Numerical Analysis
The lab aims to establish a numerical analysis method for evaluating the variability of fracture strength, which is an obstacle to the safe use of brittle ceramics. Using microstructure distribution information as input, it evaluates strength by the finite element method via a fracture mechanics model.
*Illustrative imageInteraction Between Ground and Machines (Terramechanics)
Targeting off-road vehicles and lunar and planetary exploration rovers, the lab works on extending terramechanics theory and implementing it in dynamics simulators. It develops general-purpose experimental devices to propose theory, and also analyzes ground deformation with the discrete element method and the finite element method.
*Illustrative imageImplementing Friction Models in Numerical Analysis
Frictional vibration (stick-slip motion) is a factor that undermines the stability of mechanical systems. The lab implements a rate- and state-dependent friction model in the finite element method and proposes a time-series analysis method coupled with the deformation of the contact system.
MembersFaculty
The members of Ozaki Lab consist of faculty members and students in the doctoral program, the master's program, and the undergraduate program.As of 2026
- ProfessorShingo Ozaki
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: “Friction-Driven Encoder Test (encoder 04-CC)” International Gemini Observatory/NOIRLab/NSF/AURA / CC BY 4.0 (cropped)
- Constitutive Model of Self-Healing Ceramics: “Ordinary chickpeas in a ceramic bowl” AlixSaz / CC BY-SA 4.0 (cropped)
- Predicting Strength Variability by Numerical Analysis: “Inspekt desk 50kN IMGP8563” Smial / CC BY-SA 2.0 de (cropped)
- Interaction Between Ground and Machines (Terramechanics): “PIA00663” NASA/JPL / Public domain (cropped)
- Implementing Friction Models in Numerical Analysis: “Friction-driven Encoder Test (encoder 01-CC)” International Gemini Observatory/NOIRLab/NSF/AURA / CC BY 4.0 (cropped)
- Related lab (流体生産システム研究室): “Shear Flow Vortices” KarlGaff / CC BY 4.0 (cropped)
- Related lab (熱エネルギー工学研究室): “Part of a heat exchanger in a cracking tower” W.carter / Public domain (cropped)
- Related lab (クリーンエネルギー変換研究室): “Toyota, IAA 2024, Hanover (P1200042)” Matti Blume / CC BY-SA 4.0 (cropped)
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