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A coupling method for stochastic continuum models at different scales

Yves Le Guennec 1 R. Cottereau 1, * D. Clouteau 1 Christian Soize 2
* Corresponding author
1 MSSMat - Laboratoire de mécanique des sols, structures et matériaux
2 MSME - Laboratoire de Modélisation et Simulation Multi Echelle
Abstract : We present a novel approach that allows two stochastic continuum models to be coupled. The coupling strategy is performed in the Arlequin framework [1], which is based on a volume coupling and a partition of the energy between two models. A suitable functional space is chosen for the weak enforcement of the continuity between the two models. The choice of this space ensures that the ensemble average of the two stochastic solutions are equal point-wise in the coupling area, and that appropriate boundary conditions on the stochastic dimension are passed from one model to the other.
Keywords : uncertainty quantification multiscale coupled problem stochastic continuum models
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Conference papers
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https://hal-upec-upem.archives-ouvertes.fr/hal-00806414
Contributor : Christian Soize Connect in order to contact the contributor
Submitted on : Saturday, March 30, 2013 - 8:24:58 PM
Last modification on : Wednesday, October 20, 2021 - 3:35:38 AM

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  • HAL Id : hal-00806414, version 1

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Yves Le Guennec, R. Cottereau, D. Clouteau, Christian Soize. A coupling method for stochastic continuum models at different scales. ICOSSAR 2013, 11th International Conference on Structural Safety and Reliability, Columbia University, Jun 2013, New-York, United States. pp.Pages: 1-1. ⟨hal-00806414⟩

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