Improving the Downwind Sail Design Process by Means of a Novel FSI Approach

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Abstract

The process of designing a sail can be a challenging task because of the difficulties inpredicting the real aerodynamic performance. This is especially true in the case of downwind sails,where the evaluation of the real shapes and aerodynamic forces can be very complex because ofturbulent and detached flows and the high-deformable behavior of structures. Of course, numericalmethods are very useful and reliable tools to investigate sail performances, and their use, also as aresult of the exponential growth of computational resources at a very low cost, is spreading moreand more, even in not highly competitive fields. This paper presents a new methodology to supportsail designers in evaluating and optimizing downwind sail performance and manufacturing. A newweakly coupled fluid–structure interaction (FSI) procedure has been developed to study downwindsails. The proposed method is parametric and automated and allows for investigating multiplekinds of sails under different sailing conditions. The study of a gennaker of a small sailing yacht ispresented as a case study. Based on the numerical results obtained, an analytical formulation forcalculating the sail corner loads has been also proposed. The novel proposed methodology couldrepresent a promising approach to allow for the widespread and effective use of numerical methodsin the design and manufacturing of yacht sails.
Lingua originaleEnglish
pagine (da-a)1-19
Numero di pagine19
RivistaJournal of Marine Science and Engineering
Volume9
Stato di pubblicazionePublished - 2021

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2300.2312???
  • ???subjectarea.asjc.2200.2212???

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