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Katsumasa Miyazaki
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Proceedings Papers

Prediction of Collapse Load Reduction due to Non-Aligned Multiple Flaws

Fuminori Iwamatsu, Katsumasa Miyazaki, Koichi Saito
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A055, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21806
https://doi.org/10.1115/PVP2020-21806
View Paper titled, Prediction of Collapse Load Reduction due to Non-Aligned Multiple Flaws
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Topics: Collapse, Stress, Fracture (Materials), Fracture (Process), Finite element analysis, Fitness-for-service, Ductile fracture, Flat plates, ASME Boiler and Pressure Vessel Code, Boilers
Proceedings Papers

Limit Load Solution of Non-Aligned Multiple Flaws

Fuminori Iwamatsu, Katsumasa Miyazaki, Koichi Saito
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A008, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84809
https://doi.org/10.1115/PVP2018-84809
View Paper titled, Limit Load Solution of Non-Aligned Multiple Flaws
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Topics: Stress, Collapse, Finite element analysis, Fracture (Materials), Fracture (Process), Power stations, Boilers, Evaluation methods, Experimental methods, Fitness-for-service
Proceedings Papers

Numerical Impact Simulation of Aircraft Into Reinforced Concrete Walls With Different Thickness

Kazuma Hirosaka, Hidekazu Takazawa, Katsumasa Miyazaki, Norihide Tohyama, Hiroyuki Nouji, Naomi Matsumoto
Proc. ASME. ICONE26, Volume 4: Nuclear Safety, Security, and Cyber Security; Computer Code Verification and Validation, V004T06A047, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-82616
https://doi.org/10.1115/ICONE26-82616
View Paper titled, Numerical Impact Simulation of Aircraft Into Reinforced Concrete Walls With Different Thickness
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Topics: Aircraft, Reinforced concrete, Simulation, Phantoms, Concrete walls, Simulation models, Computer simulation, Damage, Impact testing, Kinematics
Journal Articles

Analysis Method for Impact and Dispersion Behavior of Water-Filled Tank

Hidekazu Takazawa, Kazuma Hirosaka, Katsumasa Miyazaki, Norihide Tohyama, Naomi Matsumoto
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2018, 4(4): 041004.
Paper No: NERS-17-1246
https://doi.org/10.1115/1.4040432
Published Online: September 10, 2018
View Article titled, Analysis Method for Impact and Dispersion Behavior of Water-Filled Tank
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Topics: Impact testing, Water, Simulation, Drag (Fluid dynamics)
Proceedings Papers

Fracture Tests of Flat Plate and Pipe With Non-Aligned Multiple Flaws

Fuminori Iwamatsu, Katsumasa Miyazaki, Koichi Saito
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A008, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66169
https://doi.org/10.1115/PVP2017-66169
View Paper titled, Fracture Tests of Flat Plate and Pipe With Non-Aligned Multiple Flaws
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Topics: Flat plates, Fracture (Materials), Fracture (Process), Pipes, Ductile fracture, Stress, Evaluation methods, Boilers, Collapse, Displacement
Proceedings Papers

Development of Analysis Method for Impact and Splash Behavior of Water-Filled Tank

Hidekazu Takazawa, Kazuma Hirosaka, Katsumasa Miyazaki, Norihide Tohyama, Naomi Matsumoto
Proc. ASME. ICONE25, Volume 2: Plant Systems, Structures, Components and Materials, V002T03A105, July 2–6, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-67648
https://doi.org/10.1115/ICONE25-67648
View Paper titled, Development of Analysis Method for Impact and Splash Behavior of Water-Filled Tank
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Topics: Water, Finite element analysis, Aircraft, Damage, Impact testing, Computer simulation, Drag (Fluid dynamics), Engineering simulation, Fuels, Hydrodynamics
Proceedings Papers

Applicability of Stress Intensity Factor Solution for Flat Plate to Nozzle Crotch Corner Flaw

Fuminori Iwamatsu, Katsumasa Miyazaki, Minoru Masuda, Fumihito Hirokawa
Proc. ASME. PVP2016, Volume 1B: Codes and Standards, V01BT01A005, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63821
https://doi.org/10.1115/PVP2016-63821
View Paper titled, Applicability of Stress Intensity Factor Solution for Flat Plate to Nozzle Crotch Corner Flaw
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Topics: Corners (Structural elements), Flat plates, Nozzles, Stress, Finite element methods, Fracture mechanics, Fitness-for-service, ASME Boiler and Pressure Vessel Code, Cylinders, Fatigue
Proceedings Papers

Defect Tolerance Assessment for ABWR Nozzle Crotch Corner

Fumihito Hirokawa, Masaaki Hayashi, Minoru Masuda, Yasuhiro Mabuchi, Yukinori Yamamoto, Fuminori Iwamatsu, Katsumasa Miyazaki, David Johnson
Proc. ASME. PVP2016, Volume 1B: Codes and Standards, V01BT01A006, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63823
https://doi.org/10.1115/PVP2016-63823
View Paper titled, Defect Tolerance Assessment for ABWR Nozzle Crotch Corner
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Topics: Corners (Structural elements), Nozzles, Bending (Stress), Stress, Boiling water reactors, Collapse, Fatigue cracks, Finite element analysis, Metalwork, Nuclear industry
Proceedings Papers

Technical Basis for Extension of Section XI Appendix C Pipe Flaw Evaluation Procedures to Pipe Diameters Less Than NPS 4

Russell C. Cipolla, Katsumasa Miyazaki, Kunio Hasegawa
Proc. ASME. PVP2015, Volume 1A: Codes and Standards, V01AT01A011, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45885
https://doi.org/10.1115/PVP2015-45885
View Paper titled, Technical Basis for Extension of Section XI Appendix C Pipe Flaw Evaluation Procedures to Pipe Diameters Less Than NPS 4
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Topics: Pipes, Pipe sizes, Maintenance, Radiation (Physics), Stress analysis (Engineering)
Journal Articles

Estimation of Stress Corrosion Cracking Growth Behavior Under Weld Residual Stress in the Bottom of a Reactor Pressure Vessel by Finite Element Analysis

Fuminori Iwamatsu, Katsumasa Miyazaki, Masahito Mochizuki
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. August 2015, 137(4): 041402.
Paper No: PVT-13-1073
https://doi.org/10.1115/1.4029256
Published Online: August 1, 2015
View Article titled, Estimation of Stress Corrosion Cracking Growth Behavior Under Weld Residual Stress in the Bottom of a Reactor Pressure Vessel by Finite Element Analysis
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Topics: Finite element analysis, Fracture (Materials), Stress, Shapes, Stress concentration
Proceedings Papers

Evaluation of Ductile Fracture Behavior Using GTN Model

Hidekazu Takazawa, Fuminori Iwamatsu, Katsumasa Miyazaki
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A060, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28892
https://doi.org/10.1115/PVP2014-28892
View Paper titled, Evaluation of Ductile Fracture Behavior Using GTN Model
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Topics: Ductile fracture, Stress, Displacement, Materials properties, Finite element analysis, Flat plates, Theorems (Mathematics)
Proceedings Papers

Application of Stress Intensity Factors for Deep Surface Cracks to Crack Growth Evaluation

Fuminori Iwamatsu, Katsumasa Miyazaki, Hajime Miyata, Hideki Yuya
Proc. ASME. PVP2013, Volume 1A: Codes and Standards, V01AT01A003, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97465
https://doi.org/10.1115/PVP2013-97465
View Paper titled, Application of Stress Intensity Factors for Deep Surface Cracks to Crack Growth Evaluation
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Topics: Fracture (Materials), Stress, Surface cracks, Finite element analysis, JSME Standards, Fitness-for-service, Nuclear power stations, Alloys, ASME Boiler and Pressure Vessel Code, Japan Society of Mechanical Engineers
Proceedings Papers

Effect of Local Wall Thinning on Low-Cycle Fatigue Behaviors of Elbow With Internal Pressure: Estimation of Fatigue Life Based on Revised Universal Slope Method

Koji Takahashi, Kyohei Sato, Kazuya Matsuo, Kotoji Ando, Yoshio Urabe, Akitaka Hidaka, Masakazu Hisatsune, Katsumasa Miyazaki
Proc. ASME. PVP2013, Volume 1A: Codes and Standards, V01AT01A008, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97836
https://doi.org/10.1115/PVP2013-97836
View Paper titled, Effect of Local Wall Thinning on Low-Cycle Fatigue Behaviors of Elbow With Internal Pressure: Estimation of Fatigue Life Based on Revised Universal Slope Method
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Topics: Fatigue life, Low cycle fatigue, Pressure, Buckling, Fatigue cracks, Fracture (Materials), Corrosion, Displacement, Fatigue failure, Finite element analysis
Proceedings Papers

Evaluation Procedure of Limit Load for Non-Aligned Multiple Flaws

Fuminori Iwamatsu, Katsumasa Miyazaki, Hidekazu Takazawa, Koichi Saito
Proc. ASME. PVP2013, Volume 1A: Codes and Standards, V01AT01A062, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97466
https://doi.org/10.1115/PVP2013-97466
View Paper titled, Evaluation Procedure of Limit Load for Non-Aligned Multiple Flaws
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Topics: Stress, Collapse, Fracture (Materials), Fracture (Process), ASME Boiler and Pressure Vessel Code, Ductile fracture, Fitness-for-service, Flat plates
Proceedings Papers

Fatigue Crack Growth for Subsurface Flaws Near Component Surface and Proximity Rules

Kunio Hasegawa, Yinsheng Li, Katsumasa Miyazaki, Koichi Saito
Proc. ASME. PVP2013, Volume 1A: Codes and Standards, V01AT01A063, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97559
https://doi.org/10.1115/PVP2013-97559
View Paper titled, Fatigue Crack Growth for Subsurface Flaws Near Component Surface and Proximity Rules
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Topics: Fatigue cracks, Fitness-for-service, ASME Standards, Carbon steel, Flat plates, Japan Society of Mechanical Engineers, Temperature
Proceedings Papers

Ductile Failure Simulation of Bending Pipes With Multiple Circumferential Surface Cracks Using an Element-Size Dependent Damage Model

Jong-Hyun Kim, Nak-Hyun Kim, Yun-Jae Kim, Kunio Hasegawa, Katsumasa Miyazaki
Proc. ASME. PVP2012, Volume 3: Design and Analysis, 401-407, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78305
https://doi.org/10.1115/PVP2012-78305
View Paper titled, Ductile Failure Simulation of Bending Pipes With Multiple Circumferential Surface Cracks Using an Element-Size Dependent Damage Model
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Topics: Damage, Failure, Pipes, Simulation, Surface cracks, Fracture (Materials), Stress
Proceedings Papers

Proposal of a Guideline for Thickness Management of Wall Thinning T-Joints

Mayumi Ochi, Katsuhiko Yamakami, Yoshinobu Hamaguchi, Katsumasa Miyazaki, Keita Naito, Kiyoo Toyota, Kaina Teshima
Proc. ASME. PVP2012, Volume 3: Design and Analysis, 157-166, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78790
https://doi.org/10.1115/PVP2012-78790
View Paper titled, Proposal of a Guideline for Thickness Management of Wall Thinning T-Joints
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Topics: Computer simulation, Construction, Design, Engineering standards, Japan Society of Mechanical Engineers, Maintenance, Nuclear power stations, Plant maintenance, Pressure, Temperature
Proceedings Papers

Interaction Effect Evaluation of Plural Surface Cracks in Ductile Fracture Process

Kazuhiro Suga, Katsumasa Miyazaki, Ryotaro Senda, Masanori Kikuchi
Proc. ASME. PVP2012, Volume 1: Codes and Standards, 347-352, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78132
https://doi.org/10.1115/PVP2012-78132
View Paper titled, Interaction Effect Evaluation of Plural Surface Cracks in Ductile Fracture Process
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Topics: Ductile fracture, Surface cracks, Fracture (Materials), Stress, Simulation, Displacement, Simulation results
Proceedings Papers

Interaction Effect Evaluation of Multiple Through Cracks in Ductile Fracture Process

Kazuhiro Suga, Katsumasa Miyazaki, Yohei Arai, Masanori Kikuchi
Proc. ASME. PVP2012, Volume 1: Codes and Standards, 353-359, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78208
https://doi.org/10.1115/PVP2012-78208
View Paper titled, Interaction Effect Evaluation of Multiple Through Cracks in Ductile Fracture Process
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Topics: Ductile fracture, Fracture (Materials), Stress, Collapse, Deformation, Flat plates, Nuclear structure, Tension
Proceedings Papers

Comparison of Experiment and Calculation on Fatigue Crack Growth for Transformed Surface Flaw

Kunio Hasegawa, Yinsheng Li, Katsumasa Miyazaki, Koichi Saito
Proc. ASME. PVP2012, Volume 1: Codes and Standards, 369-372, July 15–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: PVP2012-78688
https://doi.org/10.1115/PVP2012-78688
View Paper titled, Comparison of Experiment and Calculation on Fatigue Crack Growth for Transformed Surface Flaw
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Topics: Fatigue cracks, Fitness-for-service, ASME Standards, Carbon steel, Flat plates, Japan Society of Mechanical Engineers, Temperature