1-20 of 20
Hyunkyoo Cho
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Surrogate-Based Time-Dependent Reliability Analysis for a Digital Twin

Weifei Hu, Jiquan Yan, Feng Zhao, Chen Jiang, Hongwei Liu, Hyunkyoo Cho, Ikjin Lee
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. September 2023, 145(9): 091708.
Paper No: MD-23-1042
https://doi.org/10.1115/1.4062668
Published Online: July 18, 2023
View Article titled, Surrogate-Based Time-Dependent Reliability Analysis for a Digital Twin
Open the PDF for Surrogate-Based Time-Dependent Reliability Analysis for a Digital Twin in another window
Topics: Digital twin, Event history analysis, Failure, Probability, Stochastic processes, Errors, Reliability
Journal Articles

Confidence-Based Design Optimization for a More Conservative Optimum Under Surrogate Model Uncertainty Caused by Gaussian Process

Yongsu Jung, Kyeonghwan Kang, Hyunkyoo Cho, Ikjin Lee
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. September 2021, 143(9): 091701.
Paper No: MD-20-1678
https://doi.org/10.1115/1.4049883
Published Online: February 11, 2021
View Article titled, Confidence-Based Design Optimization for a More Conservative Optimum Under Surrogate Model Uncertainty Caused by Gaussian Process
Open the PDF for Confidence-Based Design Optimization for a More Conservative Optimum Under Surrogate Model Uncertainty Caused by Gaussian Process in another window
Topics: Design, Optimization, Reliability, Uncertainty, Modeling
Journal Articles

Iterative Most Probable Point Search Method for Problems With a Mixture of Random and Interval Variables

Hyunkyoo Cho, Kyung K. Choi, Jaekwan Shin
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. July 2020, 142(7): 071703.
Paper No: MD-19-1523
https://doi.org/10.1115/1.4045507
Published Online: December 12, 2019
View Article titled, Iterative Most Probable Point Search Method for Problems With a Mixture of Random and Interval Variables
Open the PDF for Iterative Most Probable Point Search Method for Problems With a Mixture of Random and Interval Variables in another window
Topics: Design, Event history analysis, Optimization, Interpolation
Proceedings Papers

Confidence-Based Design Optimization Under Data Uncertainty Using Most Probable Point-Based Approach

Yongsu Jung, Hyunkyoo Cho, Ikjin Lee
Proc. ASME. IDETC-CIE2019, Volume 2B: 45th Design Automation Conference, V02BT03A042, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97718
https://doi.org/10.1115/DETC2019-97718
View Paper titled, Confidence-Based Design Optimization Under Data Uncertainty Using Most Probable Point-Based Approach
Open the PDF for Confidence-Based Design Optimization Under Data Uncertainty Using Most Probable Point-Based Approach in another window
Topics: Design, Optimization, Reliability-based optimization, Uncertainty
Proceedings Papers

Determination of the Number of Input Data Through Bi-Objective Confidence-Based Design Optimization

Yongsu Jung, Hyunkyoo Cho, Zunyi Duan, Ikjin Lee
Proc. ASME. IDETC-CIE2019, Volume 2B: 45th Design Automation Conference, V02BT03A043, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97721
https://doi.org/10.1115/DETC2019-97721
View Paper titled, Determination of the Number of Input Data Through Bi-Objective Confidence-Based Design Optimization
Open the PDF for Determination of the Number of Input Data Through Bi-Objective Confidence-Based Design Optimization in another window
Topics: Design, Optimization, Reliability-based optimization, Uncertainty
Proceedings Papers

Global Sensitivity Analysis for Stay Vane and Casing Design of Reaction Hydraulic Turbine

Hyunkyoo Cho, Ujjwal Shrestha, Young-Do Choi, Jungwan Park
Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A016, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4684
https://doi.org/10.1115/AJKFluids2019-4684
View Paper titled, Global Sensitivity Analysis for Stay Vane and Casing Design of Reaction Hydraulic Turbine
Open the PDF for Global Sensitivity Analysis for Stay Vane and Casing Design of Reaction Hydraulic Turbine in another window
Topics: Design, Hydraulic turbines, Sensitivity analysis
Proceedings Papers

Most Probable Point-Based Approximated Dimension Reduction Method in Reliability-Based Design Optimization

Yongsu Jung, Hyunkyoo Cho, Ikjin Lee
Proc. ASME. IDETC-CIE2018, Volume 2B: 44th Design Automation Conference, V02BT03A062, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-86382
https://doi.org/10.1115/DETC2018-86382
View Paper titled, Most Probable Point-Based Approximated Dimension Reduction Method in Reliability-Based Design Optimization
Open the PDF for Most Probable Point-Based Approximated Dimension Reduction Method in Reliability-Based Design Optimization in another window
Topics: Dimensions, Reliability-based optimization, Approximation, Event history analysis, Finite element analysis, Reliability, Design, Failure, Probability
Proceedings Papers

Iterative Most Probable Point Search Method for Problems With Mixture of Random and Interval Variables

Hyunkyoo Cho, K. K. Choi
Proc. ASME. IDETC-CIE2017, Volume 2B: 43rd Design Automation Conference, V02BT03A054, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67909
https://doi.org/10.1115/DETC2017-67909
View Paper titled, Iterative Most Probable Point Search Method for Problems With Mixture of Random and Interval Variables
Open the PDF for Iterative Most Probable Point Search Method for Problems With Mixture of Random and Interval Variables in another window
Topics: Design, Engineering systems and industry applications, Engineers, Event history analysis, Interpolation, Optimization, Uncertainty
Journal Articles

Sensitivity Developments for RBDO With Dependent Input Variable and Varying Input Standard Deviation

Hyunkyoo Cho, K. K. Choi, David Lamb
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. July 2017, 139(7): 071402.
Paper No: MD-16-1522
https://doi.org/10.1115/1.4036568
Published Online: May 10, 2017
View Article titled, Sensitivity Developments for RBDO With Dependent Input Variable and Varying Input Standard Deviation
Open the PDF for Sensitivity Developments for RBDO With Dependent Input Variable and Varying Input Standard Deviation in another window
Topics: Design
Journal Articles

Reliability-Based Design Optimization Using Confidence-Based Model Validation for Insufficient Experimental Data

Min-Yeong Moon, K. K. Choi, Hyunkyoo Cho, Nicholas Gaul, David Lamb, David Gorsich
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. March 2017, 139(3): 031404.
Paper No: MD-16-1560
https://doi.org/10.1115/1.4035679
Published Online: January 27, 2017
View Article titled, Reliability-Based Design Optimization Using Confidence-Based Model Validation for Insufficient Experimental Data
Open the PDF for Reliability-Based Design Optimization Using Confidence-Based Model Validation for Insufficient Experimental Data in another window
Topics: Design, Model validation, Probability, Failure, Simulation models
Proceedings Papers

Numerical Procedure for Design Optimization of Wind Turbine Drivetrain Using Multibody Gear Dynamics Simulation Considering Wind Load Uncertainty

Huaxia Li, Hiroyuki Sugiyama, Hyunkyoo Cho, K. K. Choi, Nicholas J. Gaul
Proc. ASME. IDETC-CIE2016, Volume 6: 12th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A054, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59654
https://doi.org/10.1115/DETC2016-59654
View Paper titled, Numerical Procedure for Design Optimization of Wind Turbine Drivetrain Using Multibody Gear Dynamics Simulation Considering Wind Load Uncertainty
Open the PDF for Numerical Procedure for Design Optimization of Wind Turbine Drivetrain Using Multibody Gear Dynamics Simulation Considering Wind Load Uncertainty in another window
Topics: Design, Dynamics (Mechanics), Gears, Optimization, Simulation, Stress, Uncertainty, Wind, Wind turbines, Gear teeth
Proceedings Papers

Reliability-Based Design Optimization Using Confidence-Based Model Validation for Insufficient Experimental Data

Min-Yeong Moon, K. K. Choi, Hyunkyoo Cho, Nicholas Gaul, David Lamb, David Gorsich
Proc. ASME. IDETC-CIE2016, Volume 2B: 42nd Design Automation Conference, V02BT03A054, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60155
https://doi.org/10.1115/DETC2016-60155
View Paper titled, Reliability-Based Design Optimization Using Confidence-Based Model Validation for Insufficient Experimental Data
Open the PDF for Reliability-Based Design Optimization Using Confidence-Based Model Validation for Insufficient Experimental Data in another window
Topics: Model validation, Reliability-based optimization, Design, Simulation models, Uncertainty, Optimization, Physics, Product testing, Reliability
Proceedings Papers

Sensitivity Developments for Sensitivity-Based RBDO With Correlated Input Variable and Varying Input Standard Deviation

Hyunkyoo Cho, K. K. Choi, David Lamb
Proc. ASME. IDETC-CIE2016, Volume 2B: 42nd Design Automation Conference, V02BT03A056, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60175
https://doi.org/10.1115/DETC2016-60175
View Paper titled, Sensitivity Developments for Sensitivity-Based RBDO With Correlated Input Variable and Varying Input Standard Deviation
Open the PDF for Sensitivity Developments for Sensitivity-Based RBDO With Correlated Input Variable and Varying Input Standard Deviation in another window
Topics: Design, Event history analysis, Failure, Optimization, Probability, Reliability, Reliability-based optimization
Proceedings Papers

Development of a Conservative Model Validation Approach for Reliable Analysis

Min-Yeong Moon, K. K. Choi, Hyunkyoo Cho, Nicholas Gaul, David Lamb, David Gorsich
Proc. ASME. IDETC-CIE2015, Volume 2B: 41st Design Automation Conference, V02BT03A057, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46982
https://doi.org/10.1115/DETC2015-46982
View Paper titled, Development of a Conservative Model Validation Approach for Reliable Analysis
Open the PDF for Development of a Conservative Model Validation Approach for Reliable Analysis in another window
Topics: Model validation, Simulation models, Design, Failure, Probability, Simulation, Approximation, Calibration, Event history analysis, Optimization
Proceedings Papers

Design Sensitivity Method for Sampling-Based RBDO With Fixed COV

Hyunkyoo Cho, K. K. Choi, Ikjin Lee, David Lamb
Proc. ASME. IDETC-CIE2015, Volume 2B: 41st Design Automation Conference, V02BT03A059, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47359
https://doi.org/10.1115/DETC2015-47359
View Paper titled, Design Sensitivity Method for Sampling-Based RBDO With Fixed COV
Open the PDF for Design Sensitivity Method for Sampling-Based RBDO With Fixed COV in another window
Topics: Design, Failure, Probability, Event history analysis, Optimization, Reliability-based optimization, Simulation
Proceedings Papers

Modified Bayesian Kriging for Noisy Response Problems for Reliability Analysis

Nicholas J. Gaul, Mary Kathryn Cowles, Hyunkyoo Cho, K. K. Choi, David Lamb
Proc. ASME. IDETC-CIE2015, Volume 2B: 41st Design Automation Conference, V02BT03A060, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47370
https://doi.org/10.1115/DETC2015-47370
View Paper titled, Modified Bayesian Kriging for Noisy Response Problems for Reliability Analysis
Open the PDF for Modified Bayesian Kriging for Noisy Response Problems for Reliability Analysis in another window
Topics: Event history analysis, Failure, Probability, Experimental design, Sampling methods, Modeling, Algorithms, Chain, Design, Multibody dynamics
Journal Articles

Design Sensitivity Method for Sampling-Based RBDO With Varying Standard Deviation

Hyunkyoo Cho, K. K. Choi, Ikjin Lee, David Lamb
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. January 2016, 138(1): 011405.
Paper No: MD-15-1333
https://doi.org/10.1115/1.4031829
Published Online: November 16, 2015
View Article titled, Design Sensitivity Method for Sampling-Based RBDO With Varying Standard Deviation
Open the PDF for Design Sensitivity Method for Sampling-Based RBDO With Varying Standard Deviation in another window
Topics: Design, Failure, Probability, Optimization
Proceedings Papers

Confidence-Based Method for Reliability-Based Design Optimization

Hyunkyoo Cho, K. K. Choi, David Lamb
Proc. ASME. IDETC-CIE2014, Volume 2B: 40th Design Automation Conference, V02BT03A051, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34644
https://doi.org/10.1115/DETC2014-34644
View Paper titled, Confidence-Based Method for Reliability-Based Design Optimization
Open the PDF for Confidence-Based Method for Reliability-Based Design Optimization in another window
Topics: Reliability-based optimization, Reliability, Probability, Uncertainty, Design, Event history analysis, Failure, Simulation, Statistical distributions
Proceedings Papers

Confidence Level Estimation and Design Sensitivity Analysis for Confidence-Based RBDO

Hyunkyoo Cho, K. K. Choi, Ikjin Lee, David Gorsich
Proc. ASME. IDETC-CIE2012, Volume 3: 38th Design Automation Conference, Parts A and B, 1227-1238, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70725
https://doi.org/10.1115/DETC2012-70725
View Paper titled, Confidence Level Estimation and Design Sensitivity Analysis for Confidence-Based RBDO
Open the PDF for Confidence Level Estimation and Design Sensitivity Analysis for Confidence-Based RBDO in another window
Topics: Design sensitivity analysis, Event history analysis, Uncertainty, Probability, Design, Failure, Optimization, Reliability, Reliability-based optimization, Sensitivity analysis
Proceedings Papers

Experimental Study on the Structural Behavior of Secondary Barrier of MARK-III LNG CCS

Sangmin Han, Chae Whan Rim, Hyunkyoo Cho, Yongsuk Suh, Jaewon Lee, Tak Kee Lee
Proc. ASME. OMAE2009, Volume 1: Offshore Technology, 101-107, May 31–June 5, 2009
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2009-79126
https://doi.org/10.1115/OMAE2009-79126
View Paper titled, Experimental Study on the Structural Behavior of Secondary Barrier of MARK-III LNG CCS
Open the PDF for Experimental Study on the Structural Behavior of Secondary Barrier of MARK-III LNG CCS in another window
Topics: Carbon capture and storage, Liquefied natural gas, Glues, Fiber Bragg gratings, Sensors, Strain gages, Adhesives, Epoxy adhesives, Structural analysis, Temperature