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Toward «green» mechanical simulations in materials science : hyper-reduction of a polycrystal plasticity model

Abstract : Because of the developpement of materials science, there is a need to reduce the computational complexity of mechanical models. This paper aims to show that the Hyper Reduction method enables to reduce computational resources used for numerical simulations. Large mechanical models involving distributed nonlinearities require parallel computers to solve the governing equations related to these models. The proposed Hyper Reduction of such models provides reduced governing equations that enable simulations on a single-processor computer. This is achieved by using a reduced-basis and a selection of equilibrium equations of the detailed model. The use of a single processor during less time enables to save an amazing amount of the electrical energy during the numerical simulation.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00523243
Contributor : Bibliothèque Umr7633 <>
Submitted on : Monday, October 4, 2010 - 3:59:29 PM
Last modification on : Monday, April 26, 2021 - 9:56:02 AM

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David Ryckelynck, Djamel Missoum-Benziane, Andrey Musienko, Georges Cailletaud. Toward «green» mechanical simulations in materials science : hyper-reduction of a polycrystal plasticity model. Revue Européenne de Mécanique Numérique/European Journal of Computational Mechanics, Hermès / Paris : Lavoisier 2010, 19 (4), pp.365-388. ⟨10.3166/ejcm.19.365-388⟩. ⟨hal-00523243⟩

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