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Journal Articles

Proposal of a Nonlinear Spring Model on Piping Support Structures for an Elastoplastic Response Analysis Method

Kiyotaka Takito, Yukihiko Okuda, Akemi Nishida, Yinsheng Li
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. December 2024, 146(6): 061301.
Paper No: PVT-23-1165
https://doi.org/10.1115/1.4066278
Published Online: September 21, 2024
View Article titled, Proposal of a Nonlinear Spring Model on Piping Support Structures for an Elastoplastic Response Analysis Method
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Topics: Displacement, Modeling, Pipes, Stress, Stiffness
Proceedings Papers

Development of Seismic Response Analysis Method of Piping System: Proposal of the Nonlinear Spring Model for Piping Support Structures

Kiyotaka Takito, Yukihiko Okuda, Akemi Nishida, Yinsheng Li
Proc. ASME. PVP2023, Volume 7: Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V007T08A005, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-108029
https://doi.org/10.1115/PVP2023-108029
View Paper titled, Development of Seismic Response Analysis Method of Piping System: Proposal of the Nonlinear Spring Model for Piping Support Structures
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Topics: Pipes, Piping systems, Springs
Proceedings Papers

Analytical Study for Low Ground Contact Ratio of Buildings Due to the Basemat Uplift Using a Three-Dimensional Finite Element Model

Byunghyun Choi, Akemi Nishida, Tadahiko Shiomi, Manabu Kawata, Yinsheng Li
Proc. ASME. ICONE29, Volume 10: Advanced Methods of Manufacturing for Nuclear Reactors and Components, V010T10A047, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-93870
https://doi.org/10.1115/ICONE29-93870
View Paper titled, Analytical Study for Low Ground Contact Ratio of Buildings Due to the Basemat Uplift Using a Three-Dimensional Finite Element Model
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Topics: Finite element model, Structures
Proceedings Papers

Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact by Projectiles: Numerical Analysis on Test Results

Zuoyi Kang, Yukihiko Okuda, Akemi Nishida, Haruji Tsubota, Yinsheng Li
Proc. ASME. ICONE29, Volume 10: Advanced Methods of Manufacturing for Nuclear Reactors and Components, V010T10A001, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-88884
https://doi.org/10.1115/ICONE29-88884
View Paper titled, Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact by Projectiles: Numerical Analysis on Test Results
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Topics: Damage, Impact testing, Numerical analysis, Projectiles, Reinforced concrete
Proceedings Papers

Development of Probabilistic Analysis Code for Evaluating Seismic Fragility of Aged Pipes With Wall-Thinning

Yoshihito Yamaguchi, Akemi Nishida, Yinsheng Li
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A052, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84009
https://doi.org/10.1115/PVP2022-84009
View Paper titled, Development of Probabilistic Analysis Code for Evaluating Seismic Fragility of Aged Pipes With Wall-Thinning
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Topics: Pipes
Journal Articles

Experimental Study on Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact by Projectiles

Yukihiko Okuda, Akemi Nishida, Zuoyi Kang, Haruji Tsubota, Yinsheng Li
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2023, 9(2): 021801.
Paper No: NERS-21-1178
https://doi.org/10.1115/1.4054040
Published Online: June 15, 2022
View Article titled, Experimental Study on Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact by Projectiles
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Topics: Damage, Impact testing, Projectiles, Reinforced concrete
Proceedings Papers

Experimental and Analytical Investigation on Local Damage To Reinforced Concrete Panels Subjected to Projectile Impact Part 1: Penetration Damage Mode due to Normal Impact

Zuoyi Kang, Yukihiko Okuda, Akemi Nishida, Haruji Tsubota, Yinsheng Li
Proc. ASME. ICONE28, Volume 1: Operating Plant Challenges, Successes, and Lessons Learned; Nuclear Plant Engineering; Advanced Reactors and Fusion; Small Modular and Micro-Reactors Technologies and Applications, V001T02A018, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64521
https://doi.org/10.1115/ICONE28-64521
View Paper titled, Experimental and Analytical Investigation on Local Damage To Reinforced Concrete Panels Subjected to Projectile Impact Part 1: Penetration Damage Mode due to Normal Impact
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Topics: Damage, Projectiles, Reinforced concrete
Proceedings Papers

Assessment of Seismic Fragility Using a Three-Dimensional Structural Model of a Reactor Building

Akemi Nishida, Byunghyun Choi, Tadahiko Shiomi, Manabu Kawata, Yinsheng Li
Proc. ASME. ICONE28, Volume 1: Operating Plant Challenges, Successes, and Lessons Learned; Nuclear Plant Engineering; Advanced Reactors and Fusion; Small Modular and Micro-Reactors Technologies and Applications, V001T02A009, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64300
https://doi.org/10.1115/ICONE28-64300
View Paper titled, Assessment of Seismic Fragility Using a Three-Dimensional Structural Model of a Reactor Building
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Topics: Damage, Design, Earthquakes, Evaluation methods, Failure mechanisms, Hazards, Probabilistic risk assessment, Probability, Regulations, Safety
Proceedings Papers

Estimation of Vibration Characteristics of Nuclear Facilities Based on Seismic Observation Records

Kouki Yamakawa, Masaaki Saruta, Hiroshi Moritani, Hiroaki Yamazaki, Akemi Nishida, Manabu Kawata, Kazuhiko Iigaki
Proc. ASME. ICONE28, Volume 1: Operating Plant Challenges, Successes, and Lessons Learned; Nuclear Plant Engineering; Advanced Reactors and Fusion; Small Modular and Micro-Reactors Technologies and Applications, V001T02A010, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64337
https://doi.org/10.1115/ICONE28-64337
View Paper titled, Estimation of Vibration Characteristics of Nuclear Facilities Based on Seismic Observation Records
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Topics: Nuclear power stations, Vibration, Displacement, Earthquakes, Excitation, Finite element model, Deformation, Pacific Ocean, Shorelines
Proceedings Papers

Outline of Guideline for Seismic Response Analysis Method Using 3D Finite Element Model of Reactor Building

Byunghyun Choi, Akemi Nishida, Tadahiko Shiomi, Manabu Kawata, Yinsheng Li
Proc. ASME. ICONE28, Volume 1: Operating Plant Challenges, Successes, and Lessons Learned; Nuclear Plant Engineering; Advanced Reactors and Fusion; Small Modular and Micro-Reactors Technologies and Applications, V001T02A001, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-61786
https://doi.org/10.1115/ICONE28-61786
View Paper titled, Outline of Guideline for Seismic Response Analysis Method Using 3D Finite Element Model of Reactor Building
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Topics: Finite element model
Proceedings Papers

Hybrid Dynamic Response Test Focusing on the Support Structure of Piping Systems

Yukihiko Okuda, Akemi Nishida, Michiya Sakai, Yuzo Shiogama, Yinsheng Li
Proc. ASME. ICONE28, Volume 1: Operating Plant Challenges, Successes, and Lessons Learned; Nuclear Plant Engineering; Advanced Reactors and Fusion; Small Modular and Micro-Reactors Technologies and Applications, V001T02A023, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64586
https://doi.org/10.1115/ICONE28-64586
View Paper titled, Hybrid Dynamic Response Test Focusing on the Support Structure of Piping Systems
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Topics: Dynamic response, Piping systems, Pipes, Evaluation methods, Design, Mechanical behavior, Nuclear power stations, Probabilistic risk assessment, Structures
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

Analytical Study of Perforation Damage to Reinforced Concrete Slabs Subjected to Oblique Impact by Projectiles With Different Nose Shapes

Zuoyi Kang, Yukihiko Okuda, Akemi Nishida, Haruji Tsubota, Yinsheng Li
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T06A031, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16855
https://doi.org/10.1115/ICONE2020-16855
View Paper titled, Analytical Study of Perforation Damage to Reinforced Concrete Slabs Subjected to Oblique Impact by Projectiles With Different Nose Shapes
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Topics: Concrete slabs, Damage, Projectiles, Reinforced concrete, Shapes
Proceedings Papers

Uncertainty Quantification of Seismic Response of Reactor Building Considering Different Modeling Methods

Byunghyun Choi, Akemi Nishida, Ken Muramatsu, Tatsuya Itoi, Tsuyoshi Takada
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T06A032, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16862
https://doi.org/10.1115/ICONE2020-16862
View Paper titled, Uncertainty Quantification of Seismic Response of Reactor Building Considering Different Modeling Methods
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Topics: Modeling, Nuclear power stations, Uncertainty quantification
Proceedings Papers

Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact by Projectiles: Outline of Impact Test

Akemi Nishida, Zuoyi Kang, Yukihiko Okuda, Haruji Tsubota, Yinsheng Li
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T06A029, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16843
https://doi.org/10.1115/ICONE2020-16843
View Paper titled, Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact by Projectiles: Outline of Impact Test
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Topics: Damage, Impact testing, Projectiles, Reinforced concrete
Proceedings Papers

Analytical Study on Dynamic Response of Reinforced Concrete Structure With Internal Equipment Subjected to Projectile Impact

Yukihiko Okuda, Zuoyi Kang, Akemi Nishida, Haruji Tsubota, Yinsheng Li
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T06A030, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16849
https://doi.org/10.1115/ICONE2020-16849
View Paper titled, Analytical Study on Dynamic Response of Reinforced Concrete Structure With Internal Equipment Subjected to Projectile Impact
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Topics: Dynamic response, Projectiles, Reinforced concrete, Stress, Calibration, Waves, Impact testing, Nuclear power, Nuclear power stations, Robustness
Proceedings Papers

Development of Seismic Countermeasures Against Cliff Edges for Enhancement of Comprehensive Safety of Nuclear Power Plants: Cliff Edges Relevant to NPP Building System

Akemi Nishida, Byunghyun Choi, Hidemasa Yamano, Tsuyoshi Takada
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A028, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-85066
https://doi.org/10.1115/PVP2018-85066
View Paper titled, Development of Seismic Countermeasures Against Cliff Edges for Enhancement of Comprehensive Safety of Nuclear Power Plants: Cliff Edges Relevant to NPP Building System
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Topics: Countermeasures, Nuclear power stations, Safety, Three-dimensional models, Collisions (Physics), Modeling, Boundary-value problems, Damage, Defense industry, Earthquakes
Proceedings Papers

Epistemic Uncertainty Quantification of Floor Responses for a Nuclear Reactor Building

Byunghyun Choi, Akemi Nishida, Yinsheng Li, Ken Muramatsu, Tsuyoshi Takada
Proc. ASME. ICONE26, Volume 2: Plant Systems, Structures, Components, and Materials; Risk Assessments and Management, V002T14A017, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-82034
https://doi.org/10.1115/ICONE26-82034
View Paper titled, Epistemic Uncertainty Quantification of Floor Responses for a Nuclear Reactor Building
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Topics: Nuclear reactors, Uncertainty quantification, Uncertainty, Modeling, Accidents, Countermeasures, Design, Engineers, Finite element model, Fukushima nuclear disaster, Japan, 2011
Proceedings Papers

Evaluation of Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact of Rigid and Soft Missiles

Akemi Nishida, Minoru Nagai, Haruji Tsubota, Yinsheng Li
Proc. ASME. ICONE26, Volume 2: Plant Systems, Structures, Components, and Materials; Risk Assessments and Management, V002T03A034, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-82615
https://doi.org/10.1115/ICONE26-82615
View Paper titled, Evaluation of Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact of Rigid and Soft Missiles
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Topics: Damage, Missiles, Reinforced concrete, Impact testing, Simulation results, Simulation, Simulation analysis, Stiffness
Proceedings Papers

A Study for Evaluating Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact of Deformable Projectile

Akemi Nishida, Yoshimi Ohta, Haruji Tsubota, Yinsheng Li
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A041, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66090
https://doi.org/10.1115/PVP2017-66090
View Paper titled, A Study for Evaluating Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact of Deformable Projectile
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Topics: Damage, Projectiles, Reinforced concrete, Impact testing, Simulation analysis, Simulation results, Simulation