Efficient uncertainty propagation for MAPOD via polynomial chaos-based Kriging

X Du, L Leifsson - Engineering Computations, 2020 - emerald.com
Purpose Model-assisted probability of detection (MAPOD) is an important approach used as
part of assessing the reliability of nondestructive testing systems. The purpose of this paper …

EzGP: Easy-to-Interpret Gaussian Process Models for Computer Experiments with Both Quantitative and Qualitative Factors

Q **ao, A Mandal, CD Lin, X Deng - SIAM/ASA Journal on Uncertainty …, 2021 - SIAM
Computer experiments with both quantitative and qualitative inputs are commonly used in
science and engineering applications. Constructing desirable emulators for such computer …

Stochastic-expansions-based model-assisted probability of detection analysis of the spherically-void-defect benchmark problem

X Du, P Gurrala, L Leifsson, J Song, W Meeker… - … Science–ICCS 2018 …, 2018 - Springer
Probability of detection (POD) is used for reliability analysis in nondestructive testing (NDT)
area. Traditionally, it is determined by experimental tests, while it can be enhanced by …

波動解析や逆問題および非破壊評価における AI・データサイエンス活用の動向

斎藤隆泰, 廣瀬壮一 - AI・データサイエンス論文集, 2023 - jstage.jst.go.jp
抄録 **年, 工学の様々な分野で AI やデータサイエンスの活用が進んでいる. この流れは,
構造物のメンテナンスに必須な非破壊評価の分野においても同様である. 非破壊評価の最終目的は …

Multifidelity Modeling of Ultrasonic Testing Simulations with Cokriging

L Leifsson, X Du, S Koziel - 2018 IEEE MTT-S International …, 2018 - ieeexplore.ieee.org
Multifidelity methods are introduced to the nondestructive evaluation (NDE) of measurement
systems. In particular, Cokriging interpolation metamodels of physics-based ultrasonic …