2019
DOI: 10.1002/nme.6250
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Anisotropic meta‐models for computationally expensive simulations in nonlinear mechanics

Abstract: Summary Nonintrusive methods are now established in the engineering community as a pragmatic approach for the uncertainty quantification (UQ) and global sensitivity analysis (GSA) of complex models. However, especially for computationally expensive models, both types of analyses can only be completed by employing surrogates that replace the original models and are considerably less expensive. This work studies the construction of accurate and predictive meta‐models for their use in both UQ and GSA, and their a… Show more

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Cited by 6 publications
(2 citation statements)
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“…In the literature, several classes of kernel have been proposed for approximating purposes and in this work we select anisotropic Radial Basis Functions (RBF). This type of kernel has shown improved accuracy as compared with standard RBF, particularly when only a limited set of model evaluations is available [ 23 ].…”
Section: Fundamentalsmentioning
confidence: 99%
“…In the literature, several classes of kernel have been proposed for approximating purposes and in this work we select anisotropic Radial Basis Functions (RBF). This type of kernel has shown improved accuracy as compared with standard RBF, particularly when only a limited set of model evaluations is available [ 23 ].…”
Section: Fundamentalsmentioning
confidence: 99%
“…• 2019 -Anisotropic meta-models for computationally expensive simulations in nonlinear mechanics. Published in International Journal for Numerical Methods in Engineering, Wiley Online Library [103]. • 2019 -A sample-based approach to estimate the dynamic loads of components with nonlinear uncertain interfaces.…”
mentioning
confidence: 99%