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Koji Shimoyama
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Journal Articles

Determination of Turbulent Prandtl Number for Thermal Fluid Dynamics Simulation of HVAC Unit by Data Assimilation

Jun Liu, Koji Shimoyama
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. November 2024, 16(11): 111003.
Paper No: TSEA-24-1139
https://doi.org/10.1115/1.4066338
Published Online: September 10, 2024
View Article titled, Determination of Turbulent Prandtl Number for Thermal Fluid Dynamics Simulation of HVAC Unit by Data Assimilation
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Topics: Dynamics (Mechanics), HVAC equipment, Prandtl number, Simulation, Temperature, Thermofluids, Turbulence, Computational fluid dynamics, Thermocouples
Proceedings Papers

Thermo-Fluid Dynamic Design Exploration of a Double Pipe Heat Exchanger

Tomohiro Hirano, Mitsuo Yoshimura, Koji Shimoyama, Atsuki Komiya
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A038, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4998
https://doi.org/10.1115/AJKFluids2019-4998
View Paper titled, Thermo-Fluid Dynamic Design Exploration of a Double Pipe Heat Exchanger
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Topics: Additive manufacturing, Computational fluid dynamics, Design, Flow (Dynamics), Genetic algorithms, Heat exchangers, Pipes, Shape optimization, Thermofluids
Proceedings Papers

Topology and Sizing Optimization of Micromixers Using Graph-Theoretical Representation and Genetic Algorithm

Mitsuo Yoshimura, Koji Shimoyama, Takashi Misaka, Shigeru Obayashi
Proc. ASME. IDETC-CIE2017, Volume 2B: 43rd Design Automation Conference, V02BT03A006, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67745
https://doi.org/10.1115/DETC2017-67745
View Paper titled, Topology and Sizing Optimization of Micromixers Using Graph-Theoretical Representation and Genetic Algorithm
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Topics: Genetic algorithms, Optimization, Topology, Design, Fluids, Computational fluid dynamics, Microchannels
Journal Articles

Updating Kriging Surrogate Models Based on the Hypervolume Indicator in Multi-Objective Optimization

Koji Shimoyama, Koma Sato, Shinkyu Jeong, Shigeru Obayashi
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. September 2013, 135(9): 094503.
Paper No: MD-12-1469
https://doi.org/10.1115/1.4024849
Published Online: July 2, 2013
View Article titled, Updating Kriging Surrogate Models Based on the Hypervolume Indicator in Multi-Objective Optimization
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Topics: Design, Pareto optimization, Uncertainty
Journal Articles

Practical Implementation of Robust Design Assisted by Response Surface Approximation and Visual Data-Mining

Koji Shimoyama, Jin Ne Lim, Shinkyu Jeong, Shigeru Obayashi, Masataka Koishi
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. June 2009, 131(6): 061007.
https://doi.org/10.1115/1.3125207
Published Online: May 19, 2009
View Article titled, Practical Implementation of Robust Design Assisted by Response Surface Approximation and Visual Data-Mining
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Topics: Approximation, Design, Optimization, Response surface methodology, Data mining