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Production Systems Engineering Lab
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A lab that studies how to build large steel structures such as ships and bridges by welding, and how to make them less prone to failure.
AboutAbout the lab
Making large structures strong and long-lasting.
The Production Systems Engineering Lab studies techniques for building large steel structures, such as ships and offshore structures, by welding, as well as the strength of those structures.
Large welded structures must be finished into the intended shape while minimizing the loss of strength caused by welding and fabrication.
Cracks can form under loads applied repeatedly during use and can lead to fracture, so clarifying the mechanisms of fatigue and fracture is an important issue.
The targets are not limited to ships, but extend to steel bridges, steel frames of buildings, gas pipelines, construction machinery, and automobiles.
Key terms
- Strength of Materials
- The field that studies how much force a material can withstand and how it fails
- Fatigue
- A phenomenon in which a material develops cracks and fails as even small forces are applied repeatedly many times
- Continuum Mechanics
- Mechanics that treats an object as a continuous body with no gaps and describes deformation and the transmission of force mathematically
NewsLab news
Prof. Gotoh and colleagues received the Japan Society of Naval Architects and Ocean Engineers Award for their book Ship Production System
A master's student received the Outstanding Student Presentation Award from the Kyushu Branch of the Japan Welding Society
A master's student received the Watanabe Prize for the best master's thesis
A master's student received the Graduate Student Excellence Award from the Kyushu University Shipbuilding Association (Zosenkai)
A master's student received the Excellent Paper Award from the Department of Naval Architecture and Ocean Engineering
ResearchResearch themes
The lab targets large structures and transportation equipment such as ships and offshore structures, steel bridges, building steel frames, gas pipelines, construction machinery, and automobiles. It studies construction and production technologies centered on welding and joining, as well as the clarification of fatigue and fracture phenomena and methods for evaluating defects, from the standpoint of strength of materials based on continuum mechanics.
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MembersFaculty
- ProfessorKoji Gotoh
- Associate ProfessorKazuki Matsuda
- Assistant ProfessorYuyu Okubo
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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: “Shower of sparks 110524-N-TC501-018” Petty Officer 3rd Class Christopher Carson / Public domain (cropped)
- Fatigue, Fracture, and Construction Technology: “0x-kurbel-def” Oxensepp / CC BY-SA 3.0 (cropped)
- Related lab (機能システム工学研究室): “Research vessel Aranda bridge 02” Antti Leppänen / CC BY 4.0 (cropped)
- Related lab (船舶海洋
運動制御工学研究室): “Autonomous cargo ship” Wikideas1 / CC0 (cropped) - Related lab (システム計画学研究室): “Shipbuilding” Winslow Homer / Public domain (cropped)
- Related lab (構造システム工学研究室): “Ring buckling” Ida Mascolo / CC BY-SA 4.0 (cropped)
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