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Proceedings Papers

A Sequential Adjoint Variable Method in Design Sensitivity Analysis of NVH Problems

N. H. Kim, K. K. Choi, J. Dong, C. Pierre, N. Vlahopoulos, Z. D. Ma, M. Castanier
Proc. ASME. IMECE2001, Noise Control and Acoustics, 117-126, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/NCA-23511
https://doi.org/10.1115/IMECE2001/NCA-23511
View Paper titled, A Sequential Adjoint Variable Method in Design Sensitivity Analysis of NVH Problems
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Topics: Boundary element methods, Design sensitivity analysis
Proceedings Papers

Sizing Design Sensitivity Analysis of Dynamic Frequency Response of Vibrating Structures

K. K. Choi, J. H. Lee
Proc. ASME. DETC89, 15th Design Automation Conference: Volume 2 — Design Optimization, 257-264, September 17–21, 1989
Publisher: American Society of Mechanical Engineers
Paper No: DETC1989-0098
https://doi.org/10.1115/DETC1989-0098
View Paper titled, Sizing Design Sensitivity Analysis of Dynamic Frequency Response of Vibrating Structures
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Topics: Design sensitivity analysis, Frequency response, Stress, Trains, Aircraft, Automobiles, Compressors, Design, Engines, Excitation
Journal Articles

Treating Epistemic Uncertainty Using Bootstrapping Selection of Input Distribution Model for Confidence-Based Reliability Assessment

Min-Yeong Moon, K. K. Choi, Nicholas Gaul, David Lamb
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. March 2019, 141(3): 031402.
Paper No: MD-18-1607
https://doi.org/10.1115/1.4042149
Published Online: January 10, 2019
View Article titled, Treating Epistemic Uncertainty Using Bootstrapping Selection of Input Distribution Model for Confidence-Based Reliability Assessment
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Topics: Reliability, Uncertainty, Simulation models
Journal Articles

Framework of Reliability-Based Stochastic Mobility Map for Next Generation NATO Reference Mobility Model

K. K. Choi, Paramsothy Jayakumar, Matthew Funk, Nicholas Gaul, Tamer M. Wasfy
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. February 2019, 14(2): 021012.
Paper No: CND-18-1228
https://doi.org/10.1115/1.4041350
Published Online: January 7, 2019
View Article titled, Framework of Reliability-Based Stochastic Mobility Map for Next Generation NATO Reference Mobility Model
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Topics: Mechanical admittance, Reliability, Soil, Uncertainty, Vehicles
Proceedings Papers

Treating Epistemic Uncertainty Using Bootstrapping Selection of Input Distribution Model for Confidence-Based Reliability Assessment

Min-Yeong Moon, K. K. Choi, Nicholas Gaul, David Lamb
Proc. ASME. IDETC-CIE2018, Volume 2B: 44th Design Automation Conference, V02BT03A058, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85946
https://doi.org/10.1115/DETC2018-85946
View Paper titled, Treating Epistemic Uncertainty Using Bootstrapping Selection of Input Distribution Model for Confidence-Based Reliability Assessment
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Topics: Reliability, Uncertainty, Simulation models, Engineering systems and industry applications, Performance, Simulation, Testing
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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Topics: Reliability-based optimization, Reliability, Probability, Uncertainty, Design, Event history analysis, Failure, Simulation, Statistical distributions
Proceedings Papers

Sampling-Based RBDO Using Probabilistic Sensitivity Analysis and Virtual Support Vector Machine

Hyeongjin Song, K. K. Choi, Ikjin Lee, Liang Zhao, David Lamb
Proc. ASME. IDETC-CIE2012, Volume 3: 38th Design Automation Conference, Parts A and B, 1213-1225, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70715
https://doi.org/10.1115/DETC2012-70715
View Paper titled, Sampling-Based RBDO Using Probabilistic Sensitivity Analysis and Virtual Support Vector Machine
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Topics: Sensitivity analysis, Support vector machines
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
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Topics: Design sensitivity analysis, Event history analysis, Uncertainty, Probability, Design, Failure, Optimization, Reliability, Reliability-based optimization, Sensitivity analysis
Journal Articles

Conservative Surrogate Model Using Weighted Kriging Variance for Sampling-Based RBDO

Liang Zhao, K. K. Choi, Ikjin Lee, David Gorsich
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. September 2013, 135(9): 091003.
Paper No: MD-12-1356
https://doi.org/10.1115/1.4024731
Published Online: July 2, 2013
View Article titled, Conservative Surrogate Model Using Weighted Kriging Variance for Sampling-Based RBDO
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Topics: Design, Failure, Probability, Safety
Proceedings Papers

Adaptive Virtual Support Vector Machine for the Reliability Analysis of High-Dimensional Problems

Hyeongjin Song, K. K. Choi, Ikjin Lee, Liang Zhao, David Lamb
Proc. ASME. IDETC-CIE2011, Volume 5: 37th Design Automation Conference, Parts A and B, 1139-1149, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-47538
https://doi.org/10.1115/DETC2011-47538
View Paper titled, Adaptive Virtual Support Vector Machine for the Reliability Analysis of High-Dimensional Problems
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Topics: Event history analysis, Support vector machines