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Proceedings Papers

Constraint Assessment for Cruciform Specimens With a Semi-Elliptical Crack

Yupeng Cao, Guian Qian, Yinbiao He, Yuh J. Chao
Proc. ASME. PVP2018, Volume 6A: Materials and Fabrication, V06AT06A034, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84427
https://doi.org/10.1115/PVP2018-84427
View Paper titled, Constraint Assessment for Cruciform Specimens With a Semi-Elliptical Crack
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Topics: Fracture (Materials), Stress, Fracture toughness, Materials properties, Engineering simulation, Finite element analysis, Finite element model, Hardening, Mechanical properties, Simulation
Proceedings Papers

3D FEM Modeling of Crack Initiation in a Reactor Pressure Vessel During a PTS Event (LBLOCA)

Diego Fernando Mora Méndez, Markus Niffenegger, Guian Qian, Michal Jaros, Bojan Niceno
Proc. ASME. PVP2018, Volume 6A: Materials and Fabrication, V06AT06A025, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-85024
https://doi.org/10.1115/PVP2018-85024
View Paper titled, 3D FEM Modeling of Crack Initiation in a Reactor Pressure Vessel During a PTS Event (LBLOCA)
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Topics: Finite element methods, Fracture (Materials), Modeling, Reactor vessels, Stress, Computational fluid dynamics, Accidents, Coolants, Simulation, Alloy steel
Proceedings Papers

Presentation of DEFI-PROSAFE Project: Probabilistic Methodology to Assess Margin in Deterministic RPV Integrity Assessment and Proposed Benchmark

Ralf Tiete, Richard Trewin, Sebastien Blasset, Vladislav Pistora, Miroslav Posta, Markus Niffenegger, Guian Qian
Proc. ASME. PVP2018, Volume 6A: Materials and Fabrication, V06AT06A074, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84615
https://doi.org/10.1115/PVP2018-84615
View Paper titled, Presentation of DEFI-PROSAFE Project: Probabilistic Methodology to Assess Margin in Deterministic RPV Integrity Assessment and Proposed Benchmark
Open the PDF for Presentation of DEFI-PROSAFE Project: Probabilistic Methodology to Assess Margin in Deterministic RPV Integrity Assessment and Proposed Benchmark in another window
Topics: Accounting, Failure, Fluence (Radiation measurement), Fracture (Materials), Fracture (Process), Neutrons, Nozzles, Probability, Reactor vessels, Risk
Journal Articles

Constraint Assessment for Specimens Tested Under Uniaxial and Biaxial Loading Conditions

Yupeng Cao, Guian Qian, Yinbiao He, Markus Niffenegger, Yuh J. Chao
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. June 2018, 140(3): 031401.
Paper No: PVT-17-1150
https://doi.org/10.1115/1.4039346
Published Online: April 3, 2018
View Article titled, Constraint Assessment for Specimens Tested Under Uniaxial and Biaxial Loading Conditions
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Topics: Fracture (Materials), Stress, Finite element analysis, Fracture toughness
Proceedings Papers

Constraint Assessment for Specimens Tested Under Uniaxial and Biaxial Loading Conditions

Yupeng Cao, Guian Qian, Yinbiao He, Yuh J. Chao, Markus Niffenegger
Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A049, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65979
https://doi.org/10.1115/PVP2017-65979
View Paper titled, Constraint Assessment for Specimens Tested Under Uniaxial and Biaxial Loading Conditions
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Topics: Design, Engineering simulation, Finite element analysis, Fracture (Materials), Fracture toughness, Materials properties, Reactor vessels, Simulation, Stress, Tension
Proceedings Papers

Fracture Mechanics Analyses of Embedded Cracks Under PTS and Effects of Residual Stresses

Guian Qian, V. F. González-Albuixech, Markus Niffenegger
Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A050, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66202
https://doi.org/10.1115/PVP2017-66202
View Paper titled, Fracture Mechanics Analyses of Embedded Cracks Under PTS and Effects of Residual Stresses
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Topics: Fracture (Materials), Fracture mechanics, Residual stresses, Stress, Cladding systems (Building), Welding, Cooling, Finite element methods, Pressurized water reactors, Reactor vessels
Proceedings Papers

Deterministic and Probabilistic PTS Study for a Reactor Pressure Vessel Considering Plume Cooling Effects

Guian Qian, Markus Niffenegger, Medhat Sharabi, Nathan Lafferty
Proc. ASME. PVP2016, Volume 6A: Materials and Fabrication, V06AT06A040, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63869
https://doi.org/10.1115/PVP2016-63869
View Paper titled, Deterministic and Probabilistic PTS Study for a Reactor Pressure Vessel Considering Plume Cooling Effects
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Topics: Cooling, Plumes (Fluid dynamics), Reactor vessels, Fracture (Materials), Computational fluid dynamics, Transients (Dynamics), Finite element methods, Failure, Nozzles, Probability
Journal Articles

Probabilistic Pressurized Thermal Shock Analysis for a Reactor Pressure Vessel Considering Plume Cooling Effect

Guian Qian, V. F. González-Albuixech, Markus Niffenegger, Medhat Sharabi
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. August 2016, 138(4): 041204.
Paper No: PVT-15-1177
https://doi.org/10.1115/1.4032197
Published Online: April 28, 2016
View Article titled, Probabilistic Pressurized Thermal Shock Analysis for a Reactor Pressure Vessel Considering Plume Cooling Effect
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Topics: Computational fluid dynamics, Cooling, Fracture (Materials), Fracture mechanics, Plumes (Fluid dynamics), Reactor vessels, Thermal shock, Stress, Safety, Probability
Journal Articles

Probabilistic Pressurized Thermal Shocks Analyses for a Reactor Pressure Vessel

Guian Qian, Markus Niffenegger
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. December 2015, 137(6): 061206.
Paper No: PVT-14-1129
https://doi.org/10.1115/1.4030299
Published Online: December 1, 2015
View Article titled, Probabilistic Pressurized Thermal Shocks Analyses for a Reactor Pressure Vessel
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Topics: Fracture (Materials), Transients (Dynamics)
Proceedings Papers

Probabilistic Pressurized Thermal Shocks Analysis for a Reactor Pressure Vessel by Considering Plume Effect

Guian Qian, V. F. González-Albuixech, Markus Niffenegger, Medhat Sharabi
Proc. ASME. PVP2015, Volume 6A: Materials and Fabrication, V06AT06A035, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45963
https://doi.org/10.1115/PVP2015-45963
View Paper titled, Probabilistic Pressurized Thermal Shocks Analysis for a Reactor Pressure Vessel by Considering Plume Effect
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Topics: Plumes (Fluid dynamics), Reactor vessels, Thermal shock, Fracture (Materials), Probability, Cooling, Emergencies, Failure, Nozzles, Shapes
Proceedings Papers

Probabilistic Pressurized Thermal Shocks Analysis for a Reactor Pressure Vessel

Guian Qian, Markus Niffenegger
Proc. ASME. PVP2014, Volume 7: Operations, Applications and Components, V007T07A014, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28765
https://doi.org/10.1115/PVP2014-28765
View Paper titled, Probabilistic Pressurized Thermal Shocks Analysis for a Reactor Pressure Vessel
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Topics: Reactor vessels, Thermal shock, Fracture (Materials), Failure, Probability, Transients (Dynamics), Density, Pressure vessels, Uncertainty
Journal Articles

Investigation on Constraint Effect of a Reactor Pressure Vessel Subjected to Pressurized Thermal Shocks

Guian Qian, Markus Niffenegger
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. February 2015, 137(1): 011204.
Paper No: PVT-13-1168
https://doi.org/10.1115/1.4028017
Published Online: September 15, 2014
View Article titled, Investigation on Constraint Effect of a Reactor Pressure Vessel Subjected to Pressurized Thermal Shocks
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Topics: Fracture (Materials), Fracture mechanics, Reactor vessels, Stress, Thermal shock, Transients (Dynamics), Fracture toughness
Proceedings Papers

Investigation on Constraint Effect of a Reactor Pressure Vessel Subjected to Pressurized Thermal Shocks

Guian Qian, Markus Niffenegger
Proc. ASME. PVP2013, Volume 1B: Codes and Standards, V01BT01A058, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-98161
https://doi.org/10.1115/PVP2013-98161
View Paper titled, Investigation on Constraint Effect of a Reactor Pressure Vessel Subjected to Pressurized Thermal Shocks
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Topics: Fracture mechanics, Reactor vessels, Thermal shock