{"id":20067,"date":"2021-07-27T10:09:27","date_gmt":"2021-07-27T08:09:27","guid":{"rendered":"https:\/\/dev2024.vplp.fr\/actu\/de-nouveaux-outils-de-calcul-de-structure-pour-vplp-design\/"},"modified":"2024-04-30T13:23:42","modified_gmt":"2024-04-30T11:23:42","slug":"new-tools-for-structural-design-analysis-at-vplp-design","status":"publish","type":"post","link":"https:\/\/www.vplp.fr\/en\/news\/new-tools-for-structural-design-analysis-at-vplp-design\/","title":{"rendered":"New tools for structural design analysis at VPLP Design"},"content":{"rendered":"<p style=\"font-weight: 400;\"><em><strong>PW50<\/strong>, the latest Ocean\u00a0Fifty renamed today as\u00a0<strong>Ciela Village<\/strong>, afforded VPLP Design the opportunity to test its new structural design tools using the finite element method. This is a key investment, enabling the firm to be more imaginative and incisive in the preliminary design stage.\u00a0<strong>Nicolas Baral<\/strong>, head of structures, and engineering coordinator\u00a0<strong>Xavier Guisnel<\/strong>\u00a0talk us through the benefits.<\/em><\/p>\n<p>The structures of today\u2019s racing projects are so complex and sophisticated that we have to call upon the expertise of specialist contractors\u00a0with which VPLP Design collaborates regularly, such as\u00a0<strong>GSea Design<\/strong>\u00a0for the latest Ultims or\u00a0<strong>Gurit\u00a0<\/strong>for the latest IMOCA.<\/p>\n<p>such as GSea Design with whom VPLP Design works regularly on projects such as the Ultimates\u00a0Banque Popualire\u00a0XI and SVR-Lazartigue.<br \/>\nLa complexit\u00e9 et le raffinement de la structure des grands projets de course actuels imposent de s\u2019appuyer sur l\u2019expertise de sous-traitants sp\u00e9cialis\u00e9s<br \/>\navec lesquels VPLP Design collabore r\u00e9guli\u00e8rement, tels que\u00a0<strong>GSea Design<\/strong>\u00a0pour les derniers Ultims ou\u00a0<strong>Gurit\u00a0<\/strong>pour les derniers IMOCA.<\/p>\n<p>Over the last three years the firm has been developing\u00a0<strong>its own finite element analysis tools<\/strong>. \u201cIt\u2019s when foils appeared that we really began to take a closer interest in the subject,\u201d says Nicolas Baral. \u201cThese appendices force us to test numerous configurations and run multiple loop calculations to immediately quantify the impact of the new design on the structure and vice versa.\u201d<\/p>\n<p>This approach was gradually extended to other platforms.\u00a0PW50, the Ocean\u00a0Fifty (formerly Multi50) commissioned by\u00a0<strong>Fabrice Cahierc\u00a0<\/strong>and skippered by\u00a0<strong>Erwan Le Roux<\/strong>\u00a0under the sponsorship of Ciela Village, was the first multihull to have its structural design calculated in-house. \u201cIt was an important task on an Ocean\u00a0Fifty because the measurement rules are very strict. To make performance gains on the previous generation, we had to be extremely creative and explore every avenue,\u201d says Xavier Guisnel.<\/p>\n<p>By investing in licences for the finite element modelling and post-processing software\u00a0<strong>FEMAP<\/strong>, VPLP now has a complete suite of tools at its disposal. Linked automatically to the design software, FEMAP immediately delivers the consequences of any changes to the boat\u2019s architecture. \u201cThe aim is to be more responsive,\u201d says Xavier Guisnel. \u201cCalculation times shouldn\u2019t be a problem in the preliminary design stage.\u201d<\/p>\n<p>Easily accessible, especially for the firm\u2019s designers who haven\u2019t had specific engineering training, the software has allowed us to understand, for example,\u00a0<strong>the benefits of taking a very unusual position<\/strong>\u00a0on the\u00a0PW50\u2019s float beams and rigging. \u201cFrom the outset we integrated the constraints of the Ocean\u00a0Fifty measurement rules which only allow carbon fibre in very specific places. And we ended up selecting a structure never before seen on these boats: the forward beam is rectilinear while the after beam, which receives the mast foot, is considerably swept back. This configuration optimizes the stress paths and leads to interesting gains in rigidity,\u201d says Nicolas Baral.<\/p>\n<p>As with all solutions, there are consequences and this layout lengthens the strut which supports the mainsail sheet traveller. But once again the finite element method comes to the rescue, ensuring that the weight increase is kept to a minimum by calculating very precisely the stresses involved.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PW50, the latest Ocean\u00a0Fifty renamed today as\u00a0Ciela Village, afforded VPLP Design the opportunity to test its new structural design tools using the finite element method. This is a key investment, enabling the firm to be more imaginative and incisive in the preliminary design stage.\u00a0Nicolas Baral, head of structures, and engineering coordinator\u00a0Xavier Guisnel\u00a0talk us through the benefits.<\/p>\n","protected":false},"author":1,"featured_media":18723,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[91],"tags":[],"class_list":["post-20067","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.6 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>New tools for structural design analysis at VPLP Design<\/title>\n<meta name=\"description\" content=\"The Ocean\u00a0Fifty\u00a0Ciela Village, afforded VPLP Design the opportunity to test its new structural design tools using the finite element method.\" 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