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Masaki Morishita
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Proceedings Papers

On Multiaxial Strain Characteristics of Piping Systems Subjected to Earthquake Loads

Masaki Morishita, Akihito Otani
Proc. ASME. ICONE29, Volume 6: Nuclear Codes, Standards, Licensing, and Regulatory Issues, V006T06A002, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-90172
https://doi.org/10.1115/ICONE29-90172
View Paper titled, On Multiaxial Strain Characteristics of Piping Systems Subjected to Earthquake Loads
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Topics: Cycles, Earthquake resistant design, Earthquakes, Fatigue, Pipes, Piping systems, Stress, Excitation, ASME Boiler and Pressure Vessel Code, Deformation
Proceedings Papers

Effect of the Plasticity of Piping and Support Structures on the Seismic Response of Piping Systems

Takahiro Okuda, Hideki Takahashi, Tomoyoshi Watakabe, Masaki Morishita
Proc. ASME. ICONE29, Volume 6: Nuclear Codes, Standards, Licensing, and Regulatory Issues, V006T06A001, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-89097
https://doi.org/10.1115/ICONE29-89097
View Paper titled, Effect of the Plasticity of Piping and Support Structures on the Seismic Response of Piping Systems
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Topics: Earthquake resistant design, Pipes, Piping systems, Plasticity
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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0053
https://doi.org/10.1115/IMECE1997-0053
View Paper titled, Failure Mechanism of a Thermocouple Well Caused by Flow-Induced Vibration: (1) — Numerical Simulation and Water Experiment of Flow-Induced Vibration
Open the PDF for Failure Mechanism of a Thermocouple Well Caused by Flow-Induced Vibration: (1) — Numerical Simulation and Water Experiment of Flow-Induced Vibration in another window
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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0054
https://doi.org/10.1115/IMECE1997-0054
View Paper titled, 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
Open the PDF for 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 in another window
Topics: Failure mechanisms, Fatigue cracks, Flow-induced vibrations, Thermocouples, Fracture (Materials), Displacement, Failure, Damping, Fatigue, High cycle fatigue
Journal Articles

A JSME Code Case on Piping Seismic Design Based on Inelastic Response Analysis and Strain-Based Fatigue Criteria

Masaki Morishita, Akihito Otani, Izumi Nakamura, Tomoyoshi Watakabe, Tadahiro Shibutani, Masaki Shiratori
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2020, 142(2): 021203.
Paper No: PVT-19-1160
https://doi.org/10.1115/1.4045674
Published Online: February 24, 2020
View Article titled, A JSME Code Case on Piping Seismic Design Based on Inelastic Response Analysis and Strain-Based Fatigue Criteria
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Topics: Fatigue, Pipes, Earthquake resistant design, Design, Cycles, Stress, Damping
Journal Articles

Benchmark Analyses on the Elastic–Plastic Behavior of Carbon Steel Pipes Under Seismic Load

Izumi Nakamura, Tomoyoshi Watakabe, Akihito Otani, Tadahiro Shibutani, Masaki Morishita, Masaki Shiratori
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2020, 142(2): 021901.
Paper No: PVT-19-1085
https://doi.org/10.1115/1.4045606
Published Online: February 24, 2020
View Article titled, Benchmark Analyses on the Elastic–Plastic Behavior of Carbon Steel Pipes Under Seismic Load
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Topics: Pipes, Piping systems, Yield stress, Stress, Carbon steel, Work hardening, Approximation
Proceedings Papers

Applicability of Seismic Fatigue Evaluation by JSME Code Case, NC-CC-008

Akihito Otani, Izumi Nakamura, Tomoyoshi Watakabe, Masaki Morishita, Tadahiro Shibutani, Masaki Shiratori
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A001, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93123
https://doi.org/10.1115/PVP2019-93123
View Paper titled, Applicability of Seismic Fatigue Evaluation by JSME Code Case, NC-CC-008
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Topics: Cycles, Earthquake resistant design, Fatigue, JSME Standards, Pipes
Proceedings Papers

Appropriate Damping on Seismic Design Analysis for Inelastic Response Assessment of Piping

Tomoyoshi Watakabe, Masaki Morishita
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A007, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84470
https://doi.org/10.1115/PVP2018-84470
View Paper titled, Appropriate Damping on Seismic Design Analysis for Inelastic Response Assessment of Piping
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Topics: Damping, Earthquake resistant design, Pipes, Design, Plasticity, Inelastic analysis, Elastic analysis, Emission spectroscopy, Engineering standards, Finite element analysis
Proceedings Papers

Structural Materials and Code Development for Japanese Sodium-Cooled Fast Reactors

Tai Asayama, Yugi Nagae, Takashi Wakai, Kazuyuki Tsukimori, Masaki Morishita
Proc. ASME. ETAM2014, ASME 2014 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, 296-302, March 25–27, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ETAM2014-1037
https://doi.org/10.1115/ETAM2014-1037
View Paper titled, Structural Materials and Code Development for Japanese Sodium-Cooled Fast Reactors
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Topics: Sodium fast reactors, Design, Fast neutron reactors, Japan Society of Mechanical Engineers, Construction, Cycles, Fitness-for-service, Industrial research, Leak-before-break, Reliability
Proceedings Papers

Seismic Qualification of Piping Systems by Detailed Inelastic Response Analysis: Part 1 — A Code Case for Piping Seismic Evaluation Based on Detailed Inelastic Response Analysis

Masaki Morishita, Akihito Otani, Tomoyoshi Watakabe, Izumi Nakamura, Tadahiro Shibutani, Masaki Shiratori
Proc. ASME. PVP2017, Volume 8: Seismic Engineering, V008T08A001, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65166
https://doi.org/10.1115/PVP2017-65166
View Paper titled, Seismic Qualification of Piping Systems by Detailed Inelastic Response Analysis: Part 1 — A Code Case for Piping Seismic Evaluation Based on Detailed Inelastic Response Analysis
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Topics: Pipes, Piping systems, Fatigue, Damping, Earthquake resistant design, Inelastic analysis, Japan Society of Mechanical Engineers, Plasticity, Absorption, Design
Proceedings Papers

Seismic Qualification of Piping System by Detailed Inelastic Response Analysis: Part 2 — A Guideline for Piping Seismic Inelastic Response Analysis

Akihito Otani, Tadahiro Shibutani, Masaki Morishita, Izumi Nakamura, Tomoyoshi Watakabe, Masaki Shiratori
Proc. ASME. PVP2017, Volume 8: Seismic Engineering, V008T08A002, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65190
https://doi.org/10.1115/PVP2017-65190
View Paper titled, Seismic Qualification of Piping System by Detailed Inelastic Response Analysis: Part 2 — A Guideline for Piping Seismic Inelastic Response Analysis
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Topics: Pipes, Piping systems, Earthquake resistant design, Fatigue, Damping, Design, Engineering standards, Japan Society of Mechanical Engineers, Materials properties, Modeling
Proceedings Papers

Seismic Qualification of Piping Systems by Detailed Inelastic Response Analysis: Part 3 — Variation in Elastic-Plastic Analysis Results on Carbon Steel Pipes From the Benchmark Analyses and the Parametric Analysis

Izumi Nakamura, Akihito Otani, Masaki Morishita, Masaki Shiratori, Tomoyoshi Watakabe, Tadahiro Shibutani
Proc. ASME. PVP2017, Volume 8: Seismic Engineering, V008T08A003, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65316
https://doi.org/10.1115/PVP2017-65316
View Paper titled, Seismic Qualification of Piping Systems by Detailed Inelastic Response Analysis: Part 3 — Variation in Elastic-Plastic Analysis Results on Carbon Steel Pipes From the Benchmark Analyses and the Parametric Analysis
Open the PDF for Seismic Qualification of Piping Systems by Detailed Inelastic Response Analysis: Part 3 — Variation in Elastic-Plastic Analysis Results on Carbon Steel Pipes From the Benchmark Analyses and the Parametric Analysis in another window
Topics: Carbon steel, Pipes, Piping systems, Japan Society of Mechanical Engineers, Approximation, Design, Engineering standards, Failure, Finite element model, Inelastic analysis
Proceedings Papers

Seismic Qualification of Piping Systems by Detailed Inelastic Response Analysis: Part 4 — Second Round Benchmark Analyses With Stainless Steel Piping Component Test

Tomoyoshi Watakabe, Izumi Nakamura, Akihito Otani, Masaki Morishita, Tadahiro Shibutani, Masaki Shiratori
Proc. ASME. PVP2017, Volume 8: Seismic Engineering, V008T08A004, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65324
https://doi.org/10.1115/PVP2017-65324
View Paper titled, Seismic Qualification of Piping Systems by Detailed Inelastic Response Analysis: Part 4 — Second Round Benchmark Analyses With Stainless Steel Piping Component Test
Open the PDF for Seismic Qualification of Piping Systems by Detailed Inelastic Response Analysis: Part 4 — Second Round Benchmark Analyses With Stainless Steel Piping Component Test in another window
Topics: Pipes, Piping systems, Stainless steel, Design, Carbon steel, Earthquake resistant design, Stress, Design methodology, Engineering standards, Failure
Proceedings Papers

Findings From the Benchmark Analyses on an Elbow In-Plane Bending Test and a Piping System Test

Izumi Nakamura, Akihito Otani, Tadahiro Shibutani, Masaki Morishita, Masaki Shiratori
Proc. ASME. PVP2016, Volume 8: Seismic Engineering, V008T08A007, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63419
https://doi.org/10.1115/PVP2016-63419
View Paper titled, Findings From the Benchmark Analyses on an Elbow In-Plane Bending Test and a Piping System Test
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Topics: Piping systems, Pipes, Safety, Approximation, Deflection, Design, Dynamic response, Eigenvalues, Electromagnetic scattering, Excitation
eBook Chapter

Recent Development of Codes and Standards of Boiler and Pressure Vessels in Japan

Publisher: ASME Press
Published: 2016
https://doi.org/10.1115/1.861073_ch13
ISBN: 9780791861073
Open the PDF for Recent Development of Codes and Standards of Boiler and Pressure Vessels in Japan in another window
Topics: Boilers, Engineering standards, Pressure vessels
Proceedings Papers

Introduction of a Research Activity on the Seismic Safety Evaluation of Nuclear Piping Systems Taking the Effect of Elastic-Plastic Behavior Into Account

Izumi Nakamura, Masaki Shiratori, Akihito Otani, Masaki Morishita, Tadahiro Shibutani, Hitoshi Nakamura
Proc. ASME. PVP2015, Volume 1B: Codes and Standards, V01BT01A051, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45262
https://doi.org/10.1115/PVP2015-45262
View Paper titled, Introduction of a Research Activity on the Seismic Safety Evaluation of Nuclear Piping Systems Taking the Effect of Elastic-Plastic Behavior Into Account
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Topics: Piping systems, Safety, Stress, Nuclear power stations, Pipes, Failure, Design, Earthquake resistant design, Earthquakes, Elastic analysis
Journal Articles

Ultimate Strength of a Thin Wall Elbow for Sodium Cooled Fast Reactors Under Seismic Loads

Tomoyoshi Watakabe, Kazuyuki Tsukimori, Seiji Kitamura, Masaki Morishita
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2016, 138(2): 021801.
Paper No: PVT-15-1054
https://doi.org/10.1115/1.4031721
Published Online: November 19, 2015
View Article titled, Ultimate Strength of a Thin Wall Elbow for Sodium Cooled Fast Reactors Under Seismic Loads
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Topics: Design, Failure, Failure mechanisms, Fatigue, Pipes, Stress, Tensile strength, Thin wall structures, Fast neutron reactors, Sodium
Journal Articles

Application of the System Based Code Concept to the Determination of In-Service Inspection Requirements

Shigeru Takaya, Tai Asayama, Yoshio Kamishima, Hideo Machida, Daigo Watanabe, Satoru Nakai, Masaki Morishita
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. January 2015, 1(1): 011004.
Paper No: NERS-14-1020
https://doi.org/10.1115/1.4026392
Published Online: February 9, 2015
View Article titled, Application of the System Based Code Concept to the Determination of In-Service Inspection Requirements
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Topics: Creep, Design, Failure, Fatigue, Fracture (Materials), In-service inspection, Probability, Reliability, Safety, Stress
Proceedings Papers

Development of Structural Codes for JSFR Based on the System Based Code Concept

Tai Asayama, Takashi Wakai, Masanori Ando, Satoshi Okajima, Yuji Nagae, Shigeru Takaya, Takashi Onizawa, Kazuyuki Tsukimori, Masaki Morishita
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A064, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28853
https://doi.org/10.1115/PVP2014-28853
View Paper titled, Development of Structural Codes for JSFR Based on the System Based Code Concept
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Topics: Construction, Design, Fast neutron reactors, Fitness-for-service, Industrial research, Japan Society of Mechanical Engineers, Leak-before-break, Reliability, Sodium fast reactors, Welding
Proceedings Papers

Elaboration of the System Based Code Concept — Activities in JSME and ASME: (4) Joint Efforts of JSME and ASME

Tai Asayama, Shigeru Takaya, Masaki Morishita, Frank Schaaf
Proc. ASME. ICONE22, Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Plant Systems, Structures and Components; Codes, Standards, Licensing and Regulatory Issues, V001T07A006, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30572
https://doi.org/10.1115/ICONE22-30572
View Paper titled, Elaboration of the System Based Code Concept — Activities in JSME and ASME: (4) Joint Efforts of JSME and ASME
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Topics: Japan Society of Mechanical Engineers, ASME Boiler and Pressure Vessel Code, Flow (Dynamics), In-service inspection, Liquid metals, Mechanical engineers, Safety, Sodium fast reactors