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Hiroshi Sawada
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Proceedings Papers

Optimization of Segmented Wave-Maker Control to Generate Spatially Uniform Regular Waves in a Rounded-Rectangular Wave Basin

Daichi Ota, Hidetaka Houtani, Hiroshi Sawada, Harukuni Taguchi
Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A064, June 21–30, 2021
Paper No: OMAE2021-62773
DOI: https://doi.org/10.1115/OMAE2021-62773
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Topics: Model basin, Optimization, Seas, Simulated annealing, Waves
Proceedings Papers

Hull Structural Strength Evaluation Based on Fiber Bragg Gratings Pressure Sensors to Measure Spatial Pressure Distribution on Ship’s Hull in Waves

Yusuke Komoriyama, Daichi Ota, Chong Ma, Hiroshi Sawada, Masayoshi Oka, Sadaoki Matsui, Hidetaka Houtani
Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A023, August 3–7, 2020
Paper No: OMAE2020-18434
DOI: https://doi.org/10.1115/OMAE2020-18434
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Topics: Fiber Bragg gratings, Hull, Pressure, Pressure sensors, Waves, Water pressure, Finite element analysis, Inertia (Mechanics), Strain sensors, Calibration
Proceedings Papers

Towing Experiment of a Hydro-Structural Container Ship Model in Bow-Quartering Modulated Wave Trains

Hidetaka Houtani, Yusuke Komoriyama, Sadaoki Matsui, Masayoshi Oka, Hiroshi Sawada, Yoshiteru Tanaka, Takuji Waseda
Proc. ASME. OMAE2020, Volume 6A: Ocean Engineering, V06AT06A010, August 3–7, 2020
Paper No: OMAE2020-18272
DOI: https://doi.org/10.1115/OMAE2020-18272
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Topics: Containers, Ships, Wave packets, Waves
Journal Articles

Hydrodynamic Performance Produced by Nanotexturing in Submicrometer Clearance With Surface Roughness

Tomoko Hirayama, Heinosuke Shiotani, Kazuki Yamada, Naoki Yamashita, Takashi Matsuoka, Hiroshi Sawada, Kosuke Kawahara
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. January 2015, 137(1): 011704.
Paper No: TRIB-14-1101
DOI: https://doi.org/10.1115/1.4028736
Published Online: October 23, 2014
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Topics: Clearances (Engineering), Disks, Friction, Stress, Surface roughness, Flow (Dynamics), Lubrication, Waves, Viscosity
Journal Articles

Effect of Nanotexturing on Increase in Elastohydrodynamic Lubrication Oil Film Thickness

Tomoko Hirayama, Mitsutaka Ikeda, Toshiteru Suzuki, Takashi Matsuoka, Hiroshi Sawada, Kosuke Kawahara
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. July 2014, 136(3): 031501.
Paper No: TRIB-13-1200
DOI: https://doi.org/10.1115/1.4027286
Published Online: April 25, 2014
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Topics: Film thickness, Shapes