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Hiroshi Okuda
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Proceedings Papers

A Study of Unsteady Aerodynamic Forces on Last Stage Blades in a Low-Pressure Model Steam Turbine at Very Low Operating Conditions

Tadashi Tanuma, Hiroshi Okuda, Taiga Haraguchi, Kenichi Okuno, Naoki Shibukawa
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A003, June 26–30, 2023
Paper No: GT2023-101083
https://doi.org/10.1115/GT2023-101083
View Paper titled, A Study of Unsteady Aerodynamic Forces on Last Stage Blades in a Low-Pressure Model Steam Turbine at Very Low Operating Conditions
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Topics: Aerodynamics, Blades, Computational fluid dynamics, Finite element analysis, Fluid-dynamic forces, Pressure, Steam turbines, Structural analysis, Structural mechanics
Proceedings Papers

Unsteady Flow Effects on Steam Turbine Last Stage Blades at Very Low Load Operating Condition

Tadashi Tanuma, Michio Ogawa, Hiroshi Okuda, Gaku Hashimoto, Naoki Shibukawa, Kenichi Okuno, Tomohiko Tsukuda
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A028, June 11–15, 2018
Paper No: GT2018-76498
https://doi.org/10.1115/GT2018-76498
View Paper titled, Unsteady Flow Effects on Steam Turbine Last Stage Blades at Very Low Load Operating Condition
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Topics: Blades, Steam turbines, Stress, Unsteady flow, Structural analysis, Boundary-value problems, Annulus, Design, Pressure, Vibration
Proceedings Papers

Aerodynamic and Structural Numerical Investigation of Unsteady Flow Effects on Last Stage Blades

Tadashi Tanuma, Hiroshi Okuda, Gaku Hashimoto, Satoru Yamamoto, Naoki Shibukawa, Kenichi Okuno, Hiroshi Saeki, Tomohiko Tsukuda
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A035, June 15–19, 2015
Paper No: GT2015-43848
https://doi.org/10.1115/GT2015-43848
View Paper titled, Aerodynamic and Structural Numerical Investigation of Unsteady Flow Effects on Last Stage Blades
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Topics: Blades, Unsteady flow, Rotating blades, Diffusers, Exhaust systems, Pressure, Boundary-value problems, Finite element analysis, Flow (Dynamics), Steam turbines
Proceedings Papers

Large-Scale Parallel Finite Element Analysis of the Stress Singular Problems

Noriyuki Kushida, Hiroshi Okuda, Genki Yagawa
Proc. ASME. ICONE10, 10th International Conference on Nuclear Engineering, Volume 1, 735-740, April 14–18, 2002
Paper No: ICONE10-22562
https://doi.org/10.1115/ICONE10-22562
View Paper titled, Large-Scale Parallel Finite Element Analysis of the Stress Singular Problems
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Topics: Finite element analysis, Stress, Gradient methods, Finite element methods, Relaxation (Physics)
Proceedings Papers

Large-Scale Biomolecular Dynamics Using SMP Clusters

Masaaki Suzuki, Hiroshi Okuda, Genki Yagawa
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 1, 839-846, April 25–29, 2004
Paper No: ICONE12-49573
https://doi.org/10.1115/ICONE12-49573
View Paper titled, Large-Scale Biomolecular Dynamics Using SMP Clusters
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Topics: Atoms, Computer programming, Computers, Dynamics (Mechanics), Molecular dynamics, Molecular dynamics methods, Molecular dynamics simulation, Photoelectron spectroscopy, Polyethersulfone, Proteins