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Proceedings Papers

Shaking Table Test on a Piping System Model for Developing High-Quality Simulation Model

Izumi Nakamura, Tadahiro Shibutani, Yukihisa Kuriyama, Naoya Kasai
Proc. ASME. PVP2023, Volume 7: Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V007T08A011, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106081
https://doi.org/10.1115/PVP2023-106081
View Paper titled, Shaking Table Test on a Piping System Model for Developing High-Quality Simulation Model
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Topics: Defense industry, Failure mechanisms, Finite element methods, Pipe joints, Piping systems, Simulation models, Failure, Excitation, Computer simulation, Fatigue failure
Proceedings Papers

Plan of a Shaking Table Test on a Piping System Model for Verifying the Fracture-Control Concept

Izumi Nakamura, Naoto Kasahara
Proc. ASME. PVP2022, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A036, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84266
https://doi.org/10.1115/PVP2022-84266
View Paper titled, Plan of a Shaking Table Test on a Piping System Model for Verifying the Fracture-Control Concept
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Topics: Fracture (Materials), Fracture (Process), Pipes, Piping systems
Proceedings Papers

First Large Scale Shaking Table

Chikahiro Minowa, Izumi Nakamura, Osamu Furuya
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A017, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84472
https://doi.org/10.1115/PVP2022-84472
View Paper titled, First Large Scale Shaking Table
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Topics: Construction, Damage, Earthquake engineering, Earthquakes, Emergency management, Frequency response
Journal Articles

Discussion on Failure Behavior of Piping Systems Under Extremely Large Seismic Loads in BDBE

Izumi Nakamura, Naoto Kasahara
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. June 2022, 144(3): 031901.
Paper No: PVT-20-1209
https://doi.org/10.1115/1.4053223
Published Online: January 18, 2022
View Article titled, Discussion on Failure Behavior of Piping Systems Under Extremely Large Seismic Loads in BDBE
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Topics: Alloys, Collapse, Failure, Failure mechanisms, Pipes, Piping systems, Simulation, Stress, Weight (Mass), Cycles
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
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61952
https://doi.org/10.1115/PVP2021-61952
View Paper titled, Example Proposals of Fracture Controlled Vessels and Piping for Failure Mitigations
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Topics: Design, Failure, Fracture (Materials), Fracture (Process), Pipes, Vessels
Proceedings Papers

Effect of Shape Modeling on FEM Analysis Results of Equal Tee Pipe

Izumi Nakamura, Tadahiro Shibutani
Proc. ASME. PVP2021, Volume 5: Operations, Applications, and Components; Seismic Engineering; Non-Destructive Examination, V005T08A009, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61733
https://doi.org/10.1115/PVP2021-61733
View Paper titled, Effect of Shape Modeling on FEM Analysis Results of Equal Tee Pipe
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Topics: Finite element methods, Modal analysis, Modeling, Pipes, Shapes
Proceedings Papers

Research and Examination of Seismic Safety Evaluation and Function Maintenance for Important Equipment in Nuclear Facilities

Osamu Furuya, Satoshi Fujita, Hitoshi Muta, Yasuki Ohtori, Tatsuya Itoi, Shigeki Okamura, Keisuke Minagawa, Izumi Nakamura, Shigeru Fujimoto, Akihito Otani, Akemi Nishida, Tomoyoshi Watakabe
Proc. ASME. PVP2021, Volume 5: Operations, Applications, and Components; Seismic Engineering; Non-Destructive Examination, V005T08A022, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61781
https://doi.org/10.1115/PVP2021-61781
View Paper titled, Research and Examination of Seismic Safety Evaluation and Function Maintenance for Important Equipment in Nuclear Facilities
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Topics: Maintenance, Nuclear power stations, Safety
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
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21072
https://doi.org/10.1115/PVP2020-21072
View Paper titled, Application of Fracture Control to Mitigate Failure Consequence Under BDBE
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Topics: Design, Failure, Failure mechanisms, Fracture (Materials), Fracture (Process)
Proceedings Papers

Investigation on Failure Behavior of Two-Elbow Piping System Models Made of the Simulation Material Under Excessive Seismic Loads

Izumi Nakamura, Naoto Kasahara
Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A039, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21140
https://doi.org/10.1115/PVP2020-21140
View Paper titled, Investigation on Failure Behavior of Two-Elbow Piping System Models Made of the Simulation Material Under Excessive Seismic Loads
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Topics: Alloys, Collapse, Failure, Failure mechanisms, Piping systems, Simulation, Stress
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

Research Plan and Progress to Realize Fracture Control of Nuclear Components

Naoto Kasahara, Takashi Wakai, Izumi Nakamura, Takuya Sato
Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A039, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93545
https://doi.org/10.1115/PVP2019-93545
View Paper titled, Research Plan and Progress to Realize Fracture Control of Nuclear Components
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Topics: Design, Failure mechanisms, Fracture (Materials)
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

Numerical Investigation on Strength of Tee Pipes Under In-Plane/Out-of-Plane Cyclic Loading

Izumi Nakamura
Proc. ASME. PVP2019, Volume 8: Seismic Engineering, V008T08A027, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93559
https://doi.org/10.1115/PVP2019-93559
View Paper titled, Numerical Investigation on Strength of Tee Pipes Under In-Plane/Out-of-Plane Cyclic Loading
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Topics: Finite element methods, Finite element model, Pipes
Proceedings Papers

Improved Model Tests to Investigate the Failure Modes of Pipes Under Beyond Design Basis Earthquakes

Izumi Nakamura, Naoto Kasahara
Proc. ASME. PVP2018, Volume 3A: Design and Analysis, V03AT03A048, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84424
https://doi.org/10.1115/PVP2018-84424
View Paper titled, Improved Model Tests to Investigate the Failure Modes of Pipes Under Beyond Design Basis Earthquakes
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Topics: Design, Earthquakes, Failure mechanisms, Pipes, Alloys, Collapse, Simulation, Failure, Piping systems, Steel
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
Open the PDF for Seismic Qualification of Piping System by Detailed Inelastic Response Analysis: Part 2 — A Guideline for Piping Seismic Inelastic Response Analysis in another window
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
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Topics: Pipes, Piping systems, Stainless steel, Design, Carbon steel, Earthquake resistant design, Stress, Design methodology, Engineering standards, Failure
Journal Articles

Excitation Tests on Elbow Pipe Specimens to Investigate Failure Behavior Under Excessive Seismic Loads

Izumi Nakamura, Naoto Kasahara
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. December 2017, 139(6): 061802.
Paper No: PVT-17-1018
https://doi.org/10.1115/1.4037952
Published Online: October 4, 2017
View Article titled, Excitation Tests on Elbow Pipe Specimens to Investigate Failure Behavior Under Excessive Seismic Loads
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Topics: Design, Excitation, Failure, Pipes, Stress, Failure mechanisms, Fatigue failure