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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
Paper No: ICONE29-93870
DOI: https://doi.org/10.1115/ICONE29-93870
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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
Paper No: ICONE29-88884
DOI: https://doi.org/10.1115/ICONE29-88884
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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
Paper No: PVP2022-84009
DOI: https://doi.org/10.1115/PVP2022-84009
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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
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2023, 9(2): 021801.
Paper No: NERS-21-1178
DOI: https://doi.org/10.1115/1.4054040
Published Online: June 15, 2022
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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
Paper No: ICONE28-64521
DOI: https://doi.org/10.1115/ICONE28-64521
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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
Paper No: ICONE28-64300
DOI: https://doi.org/10.1115/ICONE28-64300
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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
Paper No: ICONE28-64337
DOI: https://doi.org/10.1115/ICONE28-64337
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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
Paper No: ICONE28-61786
DOI: https://doi.org/10.1115/ICONE28-61786
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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
Paper No: ICONE28-64586
DOI: https://doi.org/10.1115/ICONE28-64586
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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
Paper No: PVP2021-61781
DOI: https://doi.org/10.1115/PVP2021-61781
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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
Paper No: ICONE2020-16855
DOI: https://doi.org/10.1115/ICONE2020-16855
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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
Paper No: ICONE2020-16862
DOI: https://doi.org/10.1115/ICONE2020-16862
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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
Paper No: ICONE2020-16843
DOI: https://doi.org/10.1115/ICONE2020-16843
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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
Paper No: ICONE2020-16849
DOI: https://doi.org/10.1115/ICONE2020-16849
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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
Paper No: PVP2018-85066
DOI: https://doi.org/10.1115/PVP2018-85066
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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

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
Paper No: ICONE26-82615
DOI: https://doi.org/10.1115/ICONE26-82615
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Topics: Damage, Missiles, Reinforced concrete, Impact testing, Simulation results, Simulation, Simulation analysis, Stiffness
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
Paper No: ICONE26-82034
DOI: https://doi.org/10.1115/ICONE26-82034
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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

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
Paper No: PVP2017-66090
DOI: https://doi.org/10.1115/PVP2017-66090
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Topics: Damage, Projectiles, Reinforced concrete, Impact testing, Simulation analysis, Simulation results, Simulation
Proceedings Papers

A Study for Evaluating Local Damage to Reinforced Concrete Panels Subjected to Oblique Impact: Part 2 — Simulation Analysis of the Experimental Results of Local Damage Caused by Impact of Deformable Projectiles

Akemi Nishida, Yoshimi Ohta, Haruji Tsubota, Yinsheng Li
Proc. ASME. ICONE25, Volume 2: Plant Systems, Structures, Components and Materials, V002T03A012, July 2–6, 2017
Paper No: ICONE25-66142
DOI: https://doi.org/10.1115/ICONE25-66142
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Topics: Damage, Projectiles, Reinforced concrete, Simulation analysis, Impact testing, Simulation results, Internal energy (Physics), Stress
Proceedings Papers

A Study for Evaluating Local Damage to RC Panels Subjected to Oblique Impact: Part 1 — A Study for Evaluating Local Damage Caused by Oblique Impact of Rigid Projectiles

Yoshimi Ohta, Akemi Nishida, Haruji Tsubota, Yinsheng Li
Proc. ASME. ICONE25, Volume 2: Plant Systems, Structures, Components and Materials, V002T03A016, July 2–6, 2017
Paper No: ICONE25-66175
DOI: https://doi.org/10.1115/ICONE25-66175
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Topics: Damage, Projectiles, Impact testing, Engineering simulation, Reinforced concrete, Simulation