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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
Paper No: IMECE2001/NCA-23511
DOI: https://doi.org/10.1115/IMECE2001/NCA-23511
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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
Paper No: DETC1989-0098
DOI: https://doi.org/10.1115/DETC1989-0098
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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
Article Type: Research-Article
J. Mech. Des. March 2019, 141(3): 031402.
Paper No: MD-18-1607
DOI: https://doi.org/10.1115/1.4042149
Published Online: January 10, 2019
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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
Article Type: Research-Article
J. Comput. Nonlinear Dynam. February 2019, 14(2): 021012.
Paper No: CND-18-1228
DOI: https://doi.org/10.1115/1.4041350
Published Online: January 7, 2019
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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
Paper No: DETC2018-85946
DOI: https://doi.org/10.1115/DETC2018-85946
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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
Paper No: DETC2017-67909
DOI: https://doi.org/10.1115/DETC2017-67909
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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
Article Type: Research-Article
J. Mech. Des. July 2017, 139(7): 071402.
Paper No: MD-16-1522
DOI: https://doi.org/10.1115/1.4036568
Published Online: May 10, 2017
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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
Article Type: Research-Article
J. Mech. Des. March 2017, 139(3): 031404.
Paper No: MD-16-1560
DOI: https://doi.org/10.1115/1.4035679
Published Online: January 27, 2017
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Topics: Design, Model validation, Probability, Failure, Simulation models
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
Paper No: DETC2016-60175
DOI: https://doi.org/10.1115/DETC2016-60175
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Topics: Design, Event history analysis, Failure, Optimization, Probability, Reliability, Reliability-based optimization
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
Paper No: DETC2016-60155
DOI: https://doi.org/10.1115/DETC2016-60155
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Topics: Model validation, Reliability-based optimization, Design, Simulation models, Uncertainty, Optimization, Physics, Product testing, Reliability
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
Paper No: DETC2016-59654
DOI: https://doi.org/10.1115/DETC2016-59654
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Topics: Design, Dynamics (Mechanics), Gears, Optimization, Simulation, Stress, Uncertainty, Wind, Wind turbines, Gear teeth
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
Paper No: DETC2015-46982
DOI: https://doi.org/10.1115/DETC2015-46982
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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
Paper No: DETC2015-47359
DOI: https://doi.org/10.1115/DETC2015-47359
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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
Paper No: DETC2015-47370
DOI: https://doi.org/10.1115/DETC2015-47370
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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
Article Type: Research-Article
J. Mech. Des. January 2016, 138(1): 011405.
Paper No: MD-15-1333
DOI: https://doi.org/10.1115/1.4031829
Published Online: November 16, 2015
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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
Paper No: DETC2014-34644
DOI: https://doi.org/10.1115/DETC2014-34644
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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
Paper No: DETC2012-70715
DOI: https://doi.org/10.1115/DETC2012-70715
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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
Paper No: DETC2012-70725
DOI: https://doi.org/10.1115/DETC2012-70725
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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
Article Type: Research-Article
J. Mech. Des. September 2013, 135(9): 091003.
Paper No: MD-12-1356
DOI: https://doi.org/10.1115/1.4024731
Published Online: July 2, 2013
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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
Paper No: DETC2011-47538
DOI: https://doi.org/10.1115/DETC2011-47538
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Topics: Event history analysis, Support vector machines