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Local/global non-intrusive parallel coupling for large scale mechanical analysis

Abstract : The permanent increase in available computing resources can achieve more and more ambitious numerical simulations (most of the time using the finite element method). When dealing with non-linear complex models on large 3D structures, the computational cost becomes prohibitive. In this paper, we present the recent developments linked to an innovative computing method: non-intrusive coupling. Such a method allows to efficiently take into account local modifiations on an initial existing model in a non-intrusive way: the previously computed analysis is left unchanged. Large scale linear models can thus be easily computed, then localised non-linear complex models can be used to pinpoint the analysis where required on the structure. After a presentation of the scientific context and a description of non-intrusive coupling methods, we will present its application to crack growth simulation and parallel structure analysis.
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https://hal.archives-ouvertes.fr/hal-01851551
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Submitted on : Monday, July 30, 2018 - 2:04:12 PM
Last modification on : Thursday, February 27, 2020 - 1:11:00 AM
Document(s) archivé(s) le : Wednesday, October 31, 2018 - 1:32:40 PM

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  • HAL Id : hal-01851551, version 1
  • OATAO : 11472

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Mickaël Duval, Jean-Charles Passieux, Michel Salaün, Stéphane Guinard. Local/global non-intrusive parallel coupling for large scale mechanical analysis. 11th World Congress on Computational Mechanics - 5th European Conference on Computational Mechanics. IACM-ECCOMAS, Jul 2014, Barcelone, Spain. pp.0. ⟨hal-01851551⟩

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