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Proceedings Papers

A Study on Hull Girder Longitudinal Strength Prediction by Adopting the Accurate Plate-Combination Model Based on Load-Shortening Curve

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Hee Yeong Yang, Do Kyun Kim, Nak Kyun Cho, Shen Li
Proc. ASME. OMAE2024, Volume 2: Structures, Safety, and Reliability, V002T02A064, June 9–14, 2024
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2024-123761
https://doi.org/10.1115/OMAE2024-123761
View Paper titled, A Study on Hull Girder Longitudinal Strength Prediction by Adopting the Accurate Plate-Combination Model Based on Load-Shortening Curve
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Topics: Collapse, Girders, Hull, Stress
Proceedings Papers

Comparative Study on Creep-Fatigue Damage Assessment Between R5 Procedures and a Full Inelastic Analysis

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Antony M. Hurst, Louis C. W. Chang, Nak-Kyun Cho
Proc. ASME. ICONE29, Volume 12: Innovative and Smart Nuclear Power Plant Design, V012T12A008, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-91707
https://doi.org/10.1115/ICONE29-91707
View Paper titled, Comparative Study on Creep-Fatigue Damage Assessment Between R5 Procedures and a Full Inelastic Analysis
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Topics: Creep, Damage assessment, Fatigue, Inelastic analysis, Stress, Damage, Elastic analysis, Cracking (Materials), Fracture (Process), Geometry
Journal Articles

Creep–Fatigue Interaction Effects on Pressure-Reducing Valve Under Cyclic Thermomechanical Loadings Using Direct Cyclic Method

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Nak-Kyun Cho, Youngjae Choi, Haofeng Chen
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. February 2022, 144(1): 011507.
Paper No: PVT-20-1287
https://doi.org/10.1115/1.4052658
Published Online: November 8, 2021
View Articletitled, Creep–Fatigue Interaction Effects on Pressure-Reducing Valve Under Cyclic Thermomechanical Loadings Using Direct Cyclic Method
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Topics: Creep, Cycles, Pressure, Stress, Valves, Thermomechanics
Proceedings Papers

Investigating Structural Response of Pressure Reducing Valve of Supercritical Steam Generator System Under Cyclic Moments, Thermal Transient, and Pressure Loadings

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Nak-Kyun Cho, Pavitra Bansal, Antony M. Hurst
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T06A015, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16426
https://doi.org/10.1115/ICONE2020-16426
View Paper titled, Investigating Structural Response of Pressure Reducing Valve of Supercritical Steam Generator System Under Cyclic Moments, Thermal Transient, and Pressure Loadings
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Topics: Boilers, Pressure, Transients (Dynamics), Valves, Pipes, Temperature, Collapse, Engineers, Fatigue, Flow (Dynamics)
Journal Articles

Investigating the Effects of Cyclic Thermo-Mechanical Loading on Cyclic Plastic Behavior of a Ninety-Degree Back-to-Back Pipe Bend System

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Nak-Kyun Cho, Haofeng Chen, Donald Mackenzie, Dario Giugliano
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2020, 142(2): 021301.
Paper No: PVT-19-1022
https://doi.org/10.1115/1.4043376
Published Online: November 27, 2019
View Articletitled, Investigating the Effects of Cyclic Thermo-Mechanical Loading on Cyclic Plastic Behavior of a Ninety-Degree Back-to-Back Pipe Bend System
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Topics: Pipe bends, Pipes, Plasticity, Pressure, Stress, Thermomechanics, Geometry, Temperature, Theorems (Mathematics)
Proceedings Papers

Cyclic Plasticity Behavior of 90° Back-to-Back Pipe Bends Under Cyclic Bending and Steady Pressure

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Nak-Kyun Cho, Haofeng Chen
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A082, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-82386
https://doi.org/10.1115/ICONE26-82386
View Paper titled, Cyclic Plasticity Behavior of 90° Back-to-Back Pipe Bends Under Cyclic Bending and Steady Pressure
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Topics: Pipe bends, Plasticity, Pressure, Structural response analysis, Bearings, Geometry, Piping systems, Stress