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Masakazu Ichimiya
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Proceedings Papers

Prediction Concept of Ratchet-Induced Collapse Under Deadweight and Seismic Loading

Satoru Kai, Masakazu Ichimiya, Naoto Kasahara
Proc. ASME. PVP2022, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A038, July 17–22, 2022
Paper No: PVP2022-84508
DOI: https://doi.org/10.1115/PVP2022-84508
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Topics: Collapse
Proceedings Papers

Failure Mechanism of a Thermocouple Well Caused by Flow-Induced Vibration: (1) — Numerical Simulation and Water Experiment of Flow-Induced Vibration

Akira Yamaguchi, Masaki Morishita, Yusaku Wada, Koji Iwata, Masakazu Ichimiya
Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume I, 139-148, November 16–21, 1997
Paper No: IMECE1997-0053
DOI: https://doi.org/10.1115/IMECE1997-0053
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Topics: Computer simulation, Failure mechanisms, Flow-induced vibrations, Thermocouples, Water, Cylinders, Displacement, Breeder reactors, Cross-flow, Finite element methods
Proceedings Papers

Failure Mechanism of a Thermocouple Well Caused by Flow-Induced Vibration: (2) — Interaction Between Flow-Induced Vibration and Fatigue Crack Growth in a Thermocouple Well

Yusaku Wada, Masaki Morishita, Akira Yamaguchi, Koji Iwata, Masakazu Ichimiya
Proc. ASME. IMECE97, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume I, 149-157, November 16–21, 1997
Paper No: IMECE1997-0054
DOI: https://doi.org/10.1115/IMECE1997-0054
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Topics: Failure mechanisms, Fatigue cracks, Flow-induced vibrations, Thermocouples, Fracture (Materials), Displacement, Failure, Damping, Fatigue, High cycle fatigue
Journal Articles

Normalized Ratcheting Diagram Under Sinusoidal Vibration Waves

Jinqi Lyu, Naoto Kasahara, Masakazu Ichimiya, Ryunosuke Sasaki
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. June 2022, 144(3): 031305.
Paper No: PVT-20-1193
DOI: https://doi.org/10.1115/1.4053222
Published Online: February 10, 2022
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Topics: Pipes, Stress, Vibration, Waves, Shapes, Deformation
Proceedings Papers

Example Proposals of Fracture Controlled Vessels and Piping for Failure Mitigations

Naoto Kasahara, Takashi Wakai, Izumi Nakamura, Takuya Sato, Masakazu Ichimiya
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A031, July 13–15, 2021
Paper No: PVP2021-61952
DOI: https://doi.org/10.1115/PVP2021-61952
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Topics: Design, Failure, Fracture (Materials), Fracture (Process), Pipes, Vessels
Proceedings Papers

Dynamic Behavior of a Simplified Cantilever With Progressive Static Loading due to Ratchet Deformation

Satoru Kai, Naoto Kasahara, Masakazu Ichimiya
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A030, July 13–15, 2021
Paper No: PVP2021-61878
DOI: https://doi.org/10.1115/PVP2021-61878
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Topics: Cantilevers, Deformation, Failure mechanisms, Failure, Accidents, Excitation, Stress, Weight (Mass), Collapse, Cycles
Proceedings Papers

Frequency Dependency of Beam Collapse due to Vibration Loads

Ryunosuke Sasaki, Masakazu Ichimiya, Jinqi Lyu, Naoto Kasahara
Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A040, August 3, 2020
Paper No: PVP2020-21375
DOI: https://doi.org/10.1115/PVP2020-21375
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Topics: Collapse, Stress, Vibration
Proceedings Papers

Application of Fracture Control to Mitigate Failure Consequence Under BDBE

Naoto Kasahara, Takashi Wakai, Izumi Nakamura, Takuya Sato, Masakazu Ichimiya
Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A038, August 3, 2020
Paper No: PVP2020-21072
DOI: https://doi.org/10.1115/PVP2020-21072
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Topics: Design, Failure, Failure mechanisms, Fracture (Materials), Fracture (Process)
Proceedings Papers

Effect of 3-D Initial Imperfections on the Deformation Behaviors of Head Plates Subjected to Convex Side Pressure

Hiroki Yada, Masanori Ando, Kazuyuki Tsukimori, Masakazu Ichimiya, Yoshinari Anoda
Proc. ASME. PVP2018, Volume 3A: Design and Analysis, V03AT03A049, July 15–20, 2018
Paper No: PVP2018-84533
DOI: https://doi.org/10.1115/PVP2018-84533
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Topics: Deformation, Plates (structures), Pressure, Finite element analysis, Buckling, Containment vessels, Design, Dimensions, Evaluation methods, External pressure
Proceedings Papers

Failure Mode of ED and AD Type Head Plates Subject to Convex Side Pressure

Hiroki Yada, Masanori Ando, Kazuyuki Tsukimori, Masakazu Ichimiya, Yoshinari Anoda
Proc. ASME. PVP2017, Volume 3B: Design and Analysis, V03BT03A002, July 16–20, 2017
Paper No: PVP2017-65227
DOI: https://doi.org/10.1115/PVP2017-65227
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Topics: Failure mechanisms, Plates (structures), Pressure, Fracture (Materials), Containment vessels, Failure, Deformation, Design, Fracture toughness, Leakage
Proceedings Papers

Experimental Demonstration of Failure Modes on Bellows Structures Subject to Internal Pressure

Masanori Ando, Hiroki Yada, Kazuyuki Tsukimori, Masakazu Ichimiya, Yoshinari Anoda
Proc. ASME. PVP2017, Volume 3B: Design and Analysis, V03BT03A001, July 16–20, 2017
Paper No: PVP2017-65226
DOI: https://doi.org/10.1115/PVP2017-65226
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Topics: Bellows (Equipment), Failure mechanisms, Pressure, Finite element analysis, Fracture toughness, Deformation, Design, Buckling, Evaluation methods, Failure
Journal Articles

Experimental Study on the Deformation and Failure of the Bellows Structure Beyond the Designed Internal Pressure

Masanori Ando, Hiroki Yada, Kazuyuki Tsukimori, Masakazu Ichimiya, Yoshinari Anoda
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. December 2017, 139(6): 061201.
Paper No: PVT-17-1100
DOI: https://doi.org/10.1115/1.4037564
Published Online: August 25, 2017
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Topics: Bellows (Equipment), Deformation, Failure, Finite element analysis, Pressure, Shapes, Pipes, Buckling, Failure mechanisms
Proceedings Papers

Experimental Study on Ultimate Strength of Single and Double Type Bellows Under Internal Pressure

Masanori Ando, Hiroki Yada, Kazuyuki Tsukimori, Masakazu Ichimiya, Yoshinari Anoda
Proc. ASME. PVP2016, Volume 3: Design and Analysis, V003T03A082, July 17–21, 2016
Paper No: PVP2016-63146
DOI: https://doi.org/10.1115/PVP2016-63146
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Topics: Bellows (Equipment), Pressure, Tensile strength, Containment vessels, Fracture toughness, Design, Coolants, Fast neutron reactors, Safety, Countermeasures
Proceedings Papers

Experimental Study on Ultimate Strength of a Ellipsoidal Dished Head Plate Under Pressure on Convex Surface

Hiroki Yada, Masanori Ando, Kazuyuki Tsukimori, Masakazu Ichimiya, Yoshinari Anoda
Proc. ASME. PVP2016, Volume 3: Design and Analysis, V003T03A083, July 17–21, 2016
Paper No: PVP2016-63147
DOI: https://doi.org/10.1115/PVP2016-63147
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Topics: Pressure, Tensile strength, Containment vessels, Design, Fracture toughness, Safety, Coolants, Countermeasures, Evaluation methods, External pressure