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A fast and robust approach to compute nonlinear Fluid-Structure Interactions on yacht sails: Application to a semi-rigid composite mainsail

Abstract : A numerical method to compute the nonlinear Fluid-Structure Interactions (FSI) of yacht sails is presented in this paper. The inviscid lifting-line flow model is used by including a quadrature method to efficiently compute sail pressure loads. The structural calculation is performed with a quasi-static resolution by using a dynamic backward Euler scheme, in order to improve the computation convergence. A specific thickness sail approach is also proposed to make the FSI solving easier. The assembly of these flow and structural methods leads to a fast and robust strategy to compute nonlinear FSI on yacht sails, and the proposed approach is applied on a complex semi-rigid composite mainsail.
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https://hal.archives-ouvertes.fr/hal-03271369
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Submitted on : Friday, June 25, 2021 - 4:29:04 PM
Last modification on : Friday, June 10, 2022 - 8:10:06 AM
Long-term archiving on: : Sunday, September 26, 2021 - 10:26:02 PM

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  • HAL Id : hal-03271369, version 1

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Matthieu Sacher, Jean-Baptiste Leroux, Alain Nême, Christian Jochum. A fast and robust approach to compute nonlinear Fluid-Structure Interactions on yacht sails: Application to a semi-rigid composite mainsail. 24e Congrès Français de Mécanique, Aug 2019, Brest, France. ⟨hal-03271369⟩

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