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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
Article Type: Research-Article
J. Verif. Valid. Uncert. September 2021, 6(3): 031004.
Paper No: VVUQ-19-1027
DOI: https://doi.org/10.1115/1.4051407
Published Online: July 6, 2021
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Topics: Errors, Particulate matter, Shock tubes, Simulation, Uncertainty, Uncertainty quantification
Proceedings Papers

Comparison of Probabilistic and Possibility Theory-Based Methods for Design Against Catastrophic Failure Under Uncertainty

Efstratios Nikolaidis, Harley Cudney, Sophie Chen, Raphael T. Haftka, Raluca Rosca
Proc. ASME. DETC99, Volume 3: 11th International Conference on Design Theory and Methodology, 163-174, September 12–16, 1999
Paper No: DETC99/DTM-8758
DOI: https://doi.org/10.1115/DETC99/DTM-8758
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Topics: Design, Failure, Uncertainty, Probability, Failure mechanisms, Risk
Journal Articles

General-Surrogate Adaptive Sampling Using Interquartile Range for Design Space Exploration

Yiming Zhang, Nam H. Kim, Raphael T. Haftka
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. May 2020, 142(5): 051402.
Paper No: MD-19-1049
DOI: https://doi.org/10.1115/1.4044432
Published Online: November 20, 2019
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Topics: Uncertainty, Design, Errors
Journal Articles

Early Time Evolution of Circumferential Perturbation of Initial Particle Volume Fraction in Explosive Cylindrical Multiphase Dispersion

M. Giselle Fernández-Godino, Frederick Ouellet, Raphael T. Haftka, S. Balachandar
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. September 2019, 141(9): 091302.
Paper No: FE-18-1733
DOI: https://doi.org/10.1115/1.4043055
Published Online: April 8, 2019
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Topics: Particulate matter, Simulation
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
Article Type: Research-Article
J. Fluids Eng. September 2019, 141(9): 091301.
Paper No: FE-18-1547
DOI: https://doi.org/10.1115/1.4042890
Published Online: March 25, 2019
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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
Article Type: Research-Article
J. Verif. Valid. Uncert. December 2018, 3(4): 041001.
Paper No: VVUQ-18-1018
DOI: https://doi.org/10.1115/1.4042814
Published Online: March 7, 2019
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Topics: Particulate matter, Uncertainty, X-rays, Image processing, Shock tubes, Uncertainty quantification, Calibration
Journal Articles

On the Use of Symmetries in Building Surrogate Models

M. Giselle Fernández-Godino, S. Balachandar, Raphael T. Haftka
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. June 2019, 141(6): 061402.
Paper No: MD-18-1359
DOI: https://doi.org/10.1115/1.4042047
Published Online: January 31, 2019
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Topics: Approximation, Errors, Experimental design, Simulation
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
Paper No: DETC2018-86163
DOI: https://doi.org/10.1115/DETC2018-86163
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Topics: Calibration, Errors, Risk, Interpolation, Parameter estimation
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
Article Type: Research-Article
J. Mech. Des. May 2017, 139(5): 051402.
Paper No: MD-16-1568
DOI: https://doi.org/10.1115/1.4036130
Published Online: March 21, 2017
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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
Paper No: DETC2016-60279
DOI: https://doi.org/10.1115/DETC2016-60279
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Topics: Algebra, Calibration, Errors, Fittings, Hull, Interpolation, Risk, Scalars, Simulation
Journal Articles

Deciding Degree of Conservativeness in Initial Design Considering Risk of Future Redesign

Nathaniel B. Price, Nam-Ho Kim, Raphael T. Haftka, Mathieu Balesdent, Sébastien Defoort, Rodolphe Le Riche
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. November 2016, 138(11): 111409.
Paper No: MD-16-1181
DOI: https://doi.org/10.1115/1.4034347
Published Online: September 12, 2016
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Topics: Design, Probability, Errors, Uncertainty, Failure
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
Article Type: Research-Article
J. Verif. Valid. Uncert. September 2016, 1(3): 031002.
Paper No: VVUQ-14-1004
DOI: https://doi.org/10.1115/1.4033889
Published Online: July 15, 2016
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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
Paper No: DETC2015-47689
DOI: https://doi.org/10.1115/DETC2015-47689
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Topics: Drag (Fluid dynamics)
Proceedings Papers

Dynamic Simulation of Knee Motion Using Three-Dimensional Surrogate Contact Modeling

Yi-Chung Lin, Raphael T. Haftka, Nestor V. Queipo, Benjamin J. Fregly
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 177-178, June 25–29, 2008
Paper No: SBC2008-190966
DOI: https://doi.org/10.1115/SBC2008-190966
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Topics: Contact modeling, Knee, Simulation, Computers, Cycles, Design, Optimization
Proceedings Papers

Reliability Based Design Optimization Considering Future Redesign With Different Epistemic Uncertainty Treatments

Taiki Matsumura, Raphael T. Haftka, Bhavani V. Sankar
Proc. ASME. IDETC-CIE2012, Volume 7: 9th International Conference on Design Education; 24th International Conference on Design Theory and Methodology, 805-814, August 12–15, 2012
Paper No: DETC2012-70438
DOI: https://doi.org/10.1115/DETC2012-70438
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Topics: Reliability-based optimization, Uncertainty, Design, Failure, Probability, Safety, Tradeoffs, Errors, Engineering systems and industry applications, Optimization
Journal Articles

Reliability Based Design Optimization Modeling Future Redesign With Different Epistemic Uncertainty Treatments

Taiki Matsumura, Raphael T. Haftka
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. September 2013, 135(9): 091006.
Paper No: MD-12-1616
DOI: https://doi.org/10.1115/1.4024726
Published Online: July 2, 2013
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Topics: Design, Errors, Failure, Probability, Uncertainty, Safety
Proceedings Papers

Combining Separable Monte Carlo With Importance Sampling for Improved Accuracy

Anirban Chaudhuri, Raphael T. Haftka
Proc. ASME. IDETC-CIE2011, Volume 7: 5th International Conference on Micro- and Nanosystems; 8th International Conference on Design and Design Education; 21st Reliability, Stress Analysis, and Failure Prevention Conference, 927-932, August 28–31, 2011
Paper No: DETC2011-48650
DOI: https://doi.org/10.1115/DETC2011-48650
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Topics: Chain, Composite materials, Crude oil, Dampers, Design, Errors, Failure, Particle filtering (numerical methods), Reliability, Sheet molding compound (Plastics)
Proceedings Papers

Equivalent Damage Growth Parameters Using a Simplified Model

Alexandra Coppe, Matthew J. Pais, Raphael T. Haftka, Nam H. Kim
Proc. ASME. IDETC-CIE2011, Volume 2: 31st Computers and Information in Engineering Conference, Parts A and B, 1317-1328, August 28–31, 2011
Paper No: DETC2011-48801
DOI: https://doi.org/10.1115/DETC2011-48801
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Topics: Damage, Service life (Equipment), Structural health monitoring, Stress, Fracture (Materials), Errors, Finite element methods, Geometry, Random noise
Proceedings Papers

Decomposition of System Level Reliability-Based Design Optimization to Reduce the Number of Simulations

Diane Villanueva, Rodolphe Le Riche, Gauthier Picard, Raphael T. Haftka, Bhavani V. Sankar
Proc. ASME. IDETC-CIE2011, Volume 5: 37th Design Automation Conference, Parts A and B, 117-126, August 28–31, 2011
Paper No: DETC2011-47815
DOI: https://doi.org/10.1115/DETC2011-47815
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Topics: Reliability-based optimization, Simulation, Reliability, Failure mechanisms, Risk, Safety
Proceedings Papers

Making the Most Out of Surrogate Models: Tricks of the Trade

Felipe A. C. Viana, Christian Gogu, Raphael T. Haftka
Proc. ASME. IDETC-CIE2010, Volume 1: 36th Design Automation Conference, Parts A and B, 587-598, August 15–18, 2010
Paper No: DETC2010-28813
DOI: https://doi.org/10.1115/DETC2010-28813
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Topics: Computers, Design, Design automation, Modeling, Optimization, Space