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Keywords: Sobol’ indices
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Journal Articles

On Propagation of Material Property Uncertainty Through Signal Energy-Based Acoustic Source Localization in an Orthotropic Plate

Novonil Sen
Journal: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
Publisher: ASME
Article Type: Research Papers
ASME J Nondestructive Evaluation. August 2023, 6(3): 031001.
Paper No: NDE-22-1048
https://doi.org/10.1115/1.4056733
Published Online: February 8, 2023
... Carlo points are estimated using the regression kriging metamodel. The distribution parameters of the so-obtained response values are computed. Finally, a global sensitivity analysis of the random variables is carried out by computing the Sobol’ indices. Email: nsen@d.umn.edu 27 11 2022...
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Topics: Acoustics, Design, Materials properties, Signals, Uncertainty, Sensors
Journal Articles

Efficient Global Sensitivity Analysis of Model-Based Ultrasonic Nondestructive Testing Systems Using Machine Learning and Sobol’ Indices

Jethro Nagawkar, Leifur Leifsson
Journal: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
Publisher: ASME
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2021, 4(4): 041008.
Paper No: NDE-20-1063
https://doi.org/10.1115/1.4051100
Published Online: June 7, 2021
...Jethro Nagawkar; Leifur Leifsson The objective of this work is to reduce the cost of performing model-based sensitivity analysis for ultrasonic nondestructive testing systems by replacing the accurate physics-based model with machine learning (ML) algorithms and quickly compute Sobol’ indices...
View Article titled, Efficient Global Sensitivity Analysis of Model-Based Ultrasonic Nondestructive Testing Systems Using Machine Learning and <span class="search-highlight">Sobol</span>’ <span class="search-highlight">Indices</span>
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Topics: Algorithms, Artificial neural networks, Machine learning, Nondestructive evaluation, Sensitivity analysis, Physics, Testing
Journal Articles

Efficient Model-Assisted Probability of Detection and Sensitivity Analysis for Ultrasonic Testing Simulations Using Stochastic Metamodeling

Xiaosong Du, Leifur Leifsson, William Meeker, Praveen Gurrala, Jiming Song, Ronald Roberts
Journal: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
Publisher: ASME
Article Type: Research Papers
ASME J Nondestructive Evaluation. November 2019, 2(4): 041002.
Paper No: NDE-19-1004
https://doi.org/10.1115/1.4044446
Published Online: September 23, 2019
.... , 2001 , “ Global Sensitivity Indices for Nonlinear Mathematical Models and Their Monte Carlo Estimates ,” Math. Comput. Simul. , 55 ( 1–3 ), pp. 271 – 280 . 10.1016/S0378-4754(00)00270-6 [49] Owen , A. B. , 2014 , “ Sobol’ Indices and Shapley Value ,” SIAM/ASA J. Uncertain. Quantif...
View Article titled, Efficient Model-Assisted Probability of Detection and Sensitivity Analysis for Ultrasonic Testing Simulations Using Stochastic Metamodeling
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Topics: Chaos, Physics, Polynomials, Probability, Sensitivity analysis, Ultrasonic testing, Nondestructive evaluation, Simulation, Interpolation, Inspection