2025
- Zwe Letyar Htut, Naoki Osawa, Satoyuki Tanaka, “Comprehensive Investigation of Plastic Zone Size and Crack Tip Opening Displacement of Surface Cracks at the Corner Point Using the Equivalent Distributed Stress-based Cohesive Zone Model”, the 35th International Ocean and Polar Engineering Conference, Korea, June 2025.
- Xipeng Chen, Takaaki Takeuchi, Teppei Ohkawa, Takayuki Yonezawa, Naoki Osawa, “Numerical Study on the Effect of Cyclic Softening on PlasticityInduced Crack Closure”, the 35th International Ocean and Polar Engineering Conference, Korea, June 2025.
- Yuichiro Ueda, Taichiro Shimoda, Tatsuya Imai, Naoki Osawa, “A Study on compressive fatigue strength of GFRP support with holes in cargo containment system for liquefied hydrogen carriers”, the 35th International Ocean and Polar Engineering Conference, Korea, June 2025.
- Xipeng Chen, Naoki Osawa, Sherif Rashed, Takaaki Takeuchi, Donghui Ma, Jun Okada, Masahito Honnami, “Fatigue strength assessment of heavy-thick T-joints improved by pneumatic impact treatment”, the 78th International Institute of Welding Annual Assembly, Italy, June 2025.
- Takaaki Takeuchi, Yuko Onishi, Eisuke Nozoe, “Development of a Wear Coupon Test Machine to Reproduce the Severe-Mild Wear Transition for Mooring Chains of Floating Offshore Wind Turbines”, the ASME 2025 44th International Conference on Ocean, Offshore and Arctic Engineering, Canada, June 2025.
- Junji Sawamura, Akihisa Konno, Taiki Tokudome, “Experimental study on the ice resistance in ship, ice and regular wave interaction”, the International Conference on Port Ocean Engineering under Arctic Conditions, Canada, July 2025.
- Michael A.S. Thorne, Franz von Bock u, Polach Andreas Cziferszky, Andrew Fleming, Dougal Goodman, Takashi Kikuchi, Tsubasa Kodaira, Kohei MIkami, Hideaki Murayama, Junji Sawamura, Mikko Suominen, Alex J. Tate, Jukka Tuhkuri, Peter Wadhams, Takuji Waseda, Jeremy Wilkinson, “A Polar Oceans Shipping Information System”, International Symposium on Okhotsk Sea and Polar Oceans, Japan, February 2025.
- Aoi Genda, Junji Sawamura, “Fundamental calculation of ship hull deformation during continuous icebreaking -Structural response in different ice pressure area-“, International Symposium on Okhotsk Sea and Polar Oceans, Japan, February 2025.
- Junji Sawaamura, Akkihisa Konnno, Taiki Tokudome, “Experimental investigation of ship longitudinal response in small ice floes and wave interaction”, International Symposium on Okhotsk Sea and Polar Oceans, Japan, February 2025.
2024
- Takaaki Takeuchi, Naoki Osawa, Natsumi Fukutake, Shinichi Hirakawa, Yoshitaka Kawajiri, Tomomi Yoshida, “Study on Practical Fatigue Assessment Considering Hull Vibration Based on the EWP Concept”, the ASME 2024 43nd International Conference on Ocean, Offshore and Arctic Engineering, Singapore, June 2024.
- Takaaki Takeuchi, Kazuki Kurokawa, Eisuke Nozoe, “Study on Fatigue Assessment Considering Mooring Chain Wear for Floating Offshore Wind Turbines”, the ASME 2024 43nd International Conference on Ocean, Offshore and Arctic Engineering, Singapore, June 2024.
- Hongtao Li, Ersegun Deniz Gedikli, Zhengshun Cheng, Junji Sawamura, Raed Lubbad, “Wave Loads on a Hollow Circular Cylinder in Open and Icy Waters”, the ASME 2024 43nd International Conference on Ocean, Offshore and Arctic Engineering, Singapore, June 2024.
- Tomoya Yamauchi, Takaaki Takeuchi, Naoki Osawa, Takayuki Yotsuzuka, “A Study on Plasma Cutting Machine’s Nozzle Degradation Detection Method Based on Cutting Noise Analysis”, the 77th IIW Annual Assembly/Conference, Greece, July 2024.
- Zwe Letyar Htut, Naoki Osawa, “Introduction of Crack Closure Assessment of Surface Cracks in Butt Joints Based on Equivalent Distribution Stress Concept Considering Residual Stress”, the 77th IIW Annual Assembly, Greece, July 2024.
- Kensuke Fujii, Tomoya Yamauchi, Takaaki Takeuchi, Naoki Osawa, “Study on cutting status identification for NC plasma cutting based on cutting noise”, The 37th Asia-Pacific Technical Exchange and Advisory Meeting on Marine Structures, Hiroshima, Japan, September 2024.
- Yota Yamamoto, Phyo Myat Kyaw, Takaaki Takeuchi, Naoki Osawa, “Fracture mechanics analysis of a surface crack in an HFMI-treated welded joint based on numerical influence factor method”, The 37th Asia-Pacific Technical Exchange and Advisory Meeting on Marine Structures, Hiroshima, Japan, September 2024.
- Junji Sawamura, Shinji Kioka, Hiroto Mizushima, “Measurement of Ice Impact Force and Structural Response for Flat Plate”, the 27th IAHR International Symposium on Ice, Poland, June 2024.
- Hongtao Li, Ersegun Deniz Gedikli, Zhengshun Cheng, Junji Sawamura, Raed Lubbad, “WAVE LOADS ON A HOLLOW CIRCULAR CYLINDER IN OPEN AND ICY WATERS”, the ASME 2024 43rd International Conference on Ocean, Offshore and Arctic Engineering, Singapore, June 2024.
- Junji Sawamura, Toshihiro Ozeki, Shinji Kioka, “Experimental study on the flexural strength of saline ice”, International Symposium on Okhotsk Sea and Polar Oceans, Japan, February 2024.
2023
- T. Takeuchi, N. Osawa, N. Yamamoto, “Bayesian Inference for the Parameters of Probabilistic Corrosion Model Adopted by IACS”, Advances in the Analysis and Design of Marine Structures, Gothenburg, Sweden, April 2023.
- Takaaki Takeuchi, Kazuki Kurokawa, Masato Hironaka, “Study on the effect of proof load test on mooring chain wear for floating structures”, the ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering, Melbourne, Australia, June 2023.
- Junji SAWAMURA, Hajime YAMAGUCHI, Shuki USHIO, Shigeya MIZUNO, “Relationship between Ship Structural Response and Ice Conditions in Antarctic Ocean”, the 27th International Conference on Port and Ocean Engineering under Arctic Conditions, Glasgow, United Kingdom, June 2023.
- Natsumi Fukutake, Takaaki Takeuchi, Takumi Inoue, Naoki Osawa, “Fatigue Assessment of Ship Structures Based on the EWP Concept Considering Hull Vibration”, the 36th Asian-Pacific Technical Exchange and Advisory Meeting on Maine Structures, Busan South Korea, October 2023.
- Zwe Letyar Htut, Naoki Osawa, Satoyuki Tanaka, “Modified Enhanced Approach for Determining the Elastic-Plastic Fracture Mechanics Parameters of 3D Surface Cracks”, the 36th Asian-Pacific Technical Exchange and Advisory Meeting on Maine Structures, Busan South Korea, October 2023.
- Junji SAWAMURA, Hajime YAMAGUCHI, Shuki USHIO, Shigeya MIZUNO, “Relationship between Ship Structural Response and Ice Conditions in Antarctic Ocean”, the 27th International Conference on Port and Ocean Engineering under Arctic Conditions, UK, June 2023.
- Junji Sawamura, Akihisa Konno, Taiki Tokudome, Itsuki Hamamoto,”Measurement of ship structural response in wave-ice interaction”, International Symposium on Okhotsk Sea and Polar Oceans, Japan, February 2023.