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Journal Articles

Uncertainty Reduction for Model Error Detection in Multiphase Shock Tube Simulation

Chanyoung Park, Samaun Nili, Justin T. Mathew, Frederick Ouellet, Rahul Koneru, Nam H. Kim, Sivaramakrishnan Balachandar, Raphael T. Haftka
Journal: Journal of Verification, Validation and Uncertainty Quantification
Publisher: ASME
Article Type: Research-Article
J. Verif. Valid. Uncert. September 2021, 6(3): 031004.
Paper No: VVUQ-19-1027
https://doi.org/10.1115/1.4051407
Published Online: July 6, 2021
View Article titled, Uncertainty Reduction for Model Error Detection in Multiphase Shock Tube Simulation
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Topics: Errors, Particulate matter, Shock tubes, Simulation, Uncertainty, Uncertainty quantification
Journal Articles

Estimating Effect of Additional Sample on Uncertainty Reduction in Reliability Analysis Using Gaussian Process

Sangjune Bae, Chanyoung Park, Nam H. Kim
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. November 2020, 142(11): 111706.
Paper No: MD-19-1811
https://doi.org/10.1115/1.4047002
Published Online: June 16, 2020
View Article titled, Estimating Effect of Additional Sample on Uncertainty Reduction in Reliability Analysis Using Gaussian Process
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Topics: Event history analysis, Failure, Probability, Reliability, Uncertainty, Batteries
Journal Articles

Forensic Uncertainty Quantification for Experiments on the Explosively Driven Motion of Particles

Kyle Hughes, S. Balachandar, Nam H. Kim, Chanyoung Park, Raphael Haftka, Angela Diggs, Donald M. Littrell, Jason Darr
Journal: Journal of Verification, Validation and Uncertainty Quantification
Publisher: ASME
Article Type: Research-Article
J. Verif. Valid. Uncert. December 2018, 3(4): 041004.
Paper No: VVUQ-18-1019
https://doi.org/10.1115/1.4043478
Published Online: May 13, 2019
View Article titled, Forensic Uncertainty Quantification for Experiments on the Explosively Driven Motion of Particles
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Topics: Forensic sciences, Particulate matter, Explosives
Journal Articles

A Kriging Surrogate Model for Computing Gas Mixture Equations of State

Frederick Ouellet, Chanyoung Park, Bertrand Rollin, Raphael T. Haftka, S. Balachandar
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2019, 141(9): 091301.
Paper No: FE-18-1547
https://doi.org/10.1115/1.4042890
Published Online: March 25, 2019
View Article titled, A Kriging Surrogate Model for Computing Gas Mixture Equations of State
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Topics: Equations of state, Explosions, Pressure, Simulation, Temperature, Density, Errors, Explosives, Internal energy (Physics)
Journal Articles

Epistemic Uncertainty Stemming From Measurement Processing—A Case Study of Multiphase Shock Tube Experiments

Chanyoung Park, Justin Matthew, Nam H. Kim, Raphael T. Haftka
Journal: Journal of Verification, Validation and Uncertainty Quantification
Publisher: ASME
Article Type: Research-Article
J. Verif. Valid. Uncert. December 2018, 3(4): 041001.
Paper No: VVUQ-18-1018
https://doi.org/10.1115/1.4042814
Published Online: March 7, 2019
View Article titled, Epistemic Uncertainty Stemming From Measurement Processing—A Case Study of Multiphase Shock Tube Experiments
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Topics: Particulate matter, Uncertainty, X-rays, Image processing, Shock tubes, Uncertainty quantification, Calibration
Proceedings Papers

Least Bumpiness Calibration With Extrapolative Bias Correction

Chanyoung Park, Nam H. Kim, Raphael T. Haftka
Proc. ASME. IDETC-CIE2018, Volume 2A: 44th Design Automation Conference, V02AT03A020, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-86163
https://doi.org/10.1115/DETC2018-86163
View Paper titled, Least Bumpiness Calibration With Extrapolative Bias Correction
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Topics: Calibration, Errors, Risk, Interpolation, Parameter estimation
Proceedings Papers

Uncertainty Quantification of Reliability Analysis Under Surrogate Model Uncertainty Using Gaussian Process

Sangjune Bae, Chanyoung Park, Nam H. Kim
Proc. ASME. IDETC-CIE2018, Volume 2B: 44th Design Automation Conference, V02BT03A055, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85541
https://doi.org/10.1115/DETC2018-85541
View Paper titled, Uncertainty Quantification of Reliability Analysis Under Surrogate Model Uncertainty Using Gaussian Process
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Topics: Event history analysis, Uncertainty, Uncertainty quantification, Reliability, Chaos, Gaussian distribution, Simulation
Proceedings Papers

Effects of Phase Contents in Feedstock Powder and Methods of Thermal Shock Test on Lifetime of Thermal Barrier Coatings

Kwangyong Park, Byungil Yang, Insoo Kim, Kyungic Jang, Sangwon Myoung, Chanyoung Park, Andrea Scrivani
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75045
https://doi.org/10.1115/GT2018-75045
View Paper titled, Effects of Phase Contents in Feedstock Powder and Methods of Thermal Shock Test on Lifetime of Thermal Barrier Coatings
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Topics: Feedstock, Thermal barrier coatings, Thermal shock, Cycles, Durability, Phase transitions, Plasma spraying, Testing, Coating processes, Coatings
Journal Articles

Sensitivity-Based Parameter Calibration and Model Validation Under Model Error

Na Qiu, Chanyoung Park, Yunkai Gao, Jianguang Fang, Guangyong Sun, Nam H. Kim
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. January 2018, 140(1): 011403.
Paper No: MD-17-1317
https://doi.org/10.1115/1.4038298
Published Online: November 9, 2017
View Article titled, Sensitivity-Based Parameter Calibration and Model Validation Under Model Error
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Topics: Calibration, Errors
Journal Articles

Function Prediction at One Inaccessible Point Using Converging Lines

Yiming Zhang, Chanyoung Park, Nam H. Kim, Raphael T. Haftka
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. May 2017, 139(5): 051402.
Paper No: MD-16-1568
https://doi.org/10.1115/1.4036130
Published Online: March 21, 2017
View Article titled, Function Prediction at One Inaccessible Point Using Converging Lines
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Topics: Approximation, Drag (Fluid dynamics), Interpolation, Uncertainty, Errors
Proceedings Papers

Investigation of the Effectiveness of Multi-Fidelity Surrogates on Extrapolation

Chanyoung Park, Raphael T. Haftka, Nam H. Kim
Proc. ASME. IDETC-CIE2016, Volume 2B: 42nd Design Automation Conference, V02BT03A057, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60279
https://doi.org/10.1115/DETC2016-60279
View Paper titled, Investigation of the Effectiveness of Multi-Fidelity Surrogates on Extrapolation
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Topics: Algebra, Calibration, Errors, Fittings, Hull, Interpolation, Risk, Scalars, Simulation
Journal Articles

Teaching a Verification and Validation Course Using Simulations and Experiments With Paper Helicopters

Chanyoung Park, Joo-Ho Choi, Raphael T. Haftka
Journal: Journal of Verification, Validation and Uncertainty Quantification
Publisher: ASME
Article Type: Research-Article
J. Verif. Valid. Uncert. September 2016, 1(3): 031002.
Paper No: VVUQ-14-1004
https://doi.org/10.1115/1.4033889
Published Online: July 15, 2016
View Article titled, Teaching a Verification and Validation Course Using Simulations and Experiments With Paper Helicopters
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Topics: Drag (Fluid dynamics), Helicopters, Students, Uncertainty, Calibration, Simulation
Proceedings Papers

Function Extrapolation at One Inaccessible Point Using Converging Lines

Yiming Zhang, Nam Ho Kim, Chanyoung Park, Raphael T. Haftka
Proc. ASME. IDETC-CIE2015, Volume 2B: 41st Design Automation Conference, V02BT03A027, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47689
https://doi.org/10.1115/DETC2015-47689
View Paper titled, Function Extrapolation at One Inaccessible Point Using Converging Lines
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Topics: Drag (Fluid dynamics)