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Article Dans Une Revue International Journal for Numerical Methods in Engineering Année : 2020

Multifidelity kriging meta-model based on discretization error bounds

Résumé

This paper presents an approach to build a multi-fidelity kriging metamodel from finite element computations on different meshes for stuctural reliability assessment. The proposed method takes advantage of the computation of bounds on the dis-cretization error, which enables to guarantee the state (safe or failure) of each computation of the performance function. An algorithm to build the meta-model from the different levels of fidelity and estimate the failure probability is provided. Illustrations are presented on a two dimensional mechanical crack opening problem. Bounds on the failure probability are also post-processed.
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Dates et versions

hal-02944220 , version 1 (21-09-2020)

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Ludovic Pierre Jérôme Mell, Valentine Rey, Franck Schoefs. Multifidelity kriging meta-model based on discretization error bounds. International Journal for Numerical Methods in Engineering, 2020, ⟨10.1002/nme.6451⟩. ⟨hal-02944220⟩
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