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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

Paper No: PVP2020-21806

DOI: https://doi.org/10.1115/PVP2020-21806

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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

Paper No: PVP2018-84809

DOI: https://doi.org/10.1115/PVP2018-84809

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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

Paper No: ICONE26-82616

DOI: https://doi.org/10.1115/ICONE26-82616

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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

ASME J of Nuclear Rad Sci. October 2018, 4(4): 041004.

Paper No: NERS-17-1246

DOI: https://doi.org/10.1115/1.4040432

Published Online: September 10, 2018

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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

Paper No: PVP2017-66169

DOI: https://doi.org/10.1115/PVP2017-66169

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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

Paper No: ICONE25-67648

DOI: https://doi.org/10.1115/ICONE25-67648

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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

Paper No: PVP2016-63821

DOI: https://doi.org/10.1115/PVP2016-63821

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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

Paper No: PVP2016-63823

DOI: https://doi.org/10.1115/PVP2016-63823

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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

Paper No: PVP2015-45885

DOI: https://doi.org/10.1115/PVP2015-45885

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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

J. Pressure Vessel Technol. August 2015, 137(4): 041402.

Paper No: PVT-13-1073

DOI: https://doi.org/10.1115/1.4029256

Published Online: August 1, 2015

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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

Paper No: PVP2014-28892

DOI: https://doi.org/10.1115/PVP2014-28892

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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

Paper No: PVP2013-97465

DOI: https://doi.org/10.1115/PVP2013-97465

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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

Paper No: PVP2013-97836

DOI: https://doi.org/10.1115/PVP2013-97836

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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

Paper No: PVP2013-97466

DOI: https://doi.org/10.1115/PVP2013-97466

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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

Paper No: PVP2013-97559

DOI: https://doi.org/10.1115/PVP2013-97559

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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

Paper No: PVP2012-78305

DOI: https://doi.org/10.1115/PVP2012-78305

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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

Paper No: PVP2012-78790

DOI: https://doi.org/10.1115/PVP2012-78790

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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

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

Fuminori Iwamatsu, Katsumasa Miyazaki, Masahito Mochizuki

Proc. ASME. PVP2012, Volume 6: Materials and Fabrication, Parts A and B, 703-709, July 15–19, 2012

Paper No: PVP2012-78471

DOI: https://doi.org/10.1115/PVP2012-78471

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Topics: Finite element analysis, Fracture (Materials), Reactor vessels, Stress, Shapes, Modeling, Crack propagation, Metals, Stress concentration, Stress corrosion cracking

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

Paper No: PVP2012-78132

DOI: https://doi.org/10.1115/PVP2012-78132

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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

Paper No: PVP2012-78208

DOI: https://doi.org/10.1115/PVP2012-78208

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Topics: Ductile fracture, Fracture (Materials), Stress, Collapse, Deformation, Flat plates, Nuclear structure, Tension

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Journal citation

NARROW

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

Limit Load Solution of Non-Aligned Multiple Flaws

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

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

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

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

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

Defect Tolerance Assessment for ABWR Nozzle Crotch Corner

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

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

Evaluation of Ductile Fracture Behavior Using GTN Model

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

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

Evaluation Procedure of Limit Load for Non-Aligned Multiple Flaws

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

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

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

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

Interaction Effect Evaluation of Plural Surface Cracks in Ductile Fracture Process

Interaction Effect Evaluation of Multiple Through Cracks in Ductile Fracture Process

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