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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-02493825
Contributor : Marie Briec <>
Submitted on : Friday, February 28, 2020 - 11:11:25 AM
Last modification on : Wednesday, April 1, 2020 - 1:59:01 AM

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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. Ocean Engineering, 2020, 201, pp.107139-1 - 107139-15. ⟨10.1016/j.oceaneng.2020.107139⟩. ⟨hal-02493825⟩

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