{"id":347,"date":"2021-12-14T08:39:59","date_gmt":"2021-12-14T08:39:59","guid":{"rendered":"https:\/\/www.salome-platform.org\/?page_id=347"},"modified":"2022-02-04T15:51:37","modified_gmt":"2022-02-04T15:51:37","slug":"mailler-la-cao","status":"publish","type":"page","link":"https:\/\/www.salome-platform.org\/?page_id=347","title":{"rendered":"Mailler la CAO"},"content":{"rendered":"\n<p id=\"index-2\">Le module de maillage SMESH fournit une large gamme d\u2019algorithmes particuli\u00e8rement adapt\u00e9s aux m\u00e9thodes d\u2019\u00e9l\u00e9ments finis et de volumes finis. Un maillage peut \u00eatre enrichi par des groupes pour distinguer diff\u00e9rentes r\u00e9gions de la g\u00e9om\u00e9trie. Cela permet de diff\u00e9rencier les propri\u00e9t\u00e9s des mailles ou m\u00eame les types de mailles (hexa\u00e9driques ou t\u00e9tra\u00e9driques). Les groupes permettent d\u2019identifier les fronti\u00e8res pour appliquer les conditions aux limites. Ils facilitent la visualisation du maillage et les op\u00e9rations de post-traitement.<\/p>\n\n\n\n<p>Des transformations peuvent \u00eatre appliqu\u00e9es pour produire des maillages ou des compos\u00e9s complexes : rotation, sym\u00e9trie, changement d\u2019\u00e9chelle&#8230; Les op\u00e9rations de maillage peuvent \u00eatre enti\u00e8rement g\u00e9r\u00e9es par des scripts Python afin de garantir une reproductibilit\u00e9 et un param\u00e9trage complets du processus de simulation. Le module SMESH inclut des fonctions de contr\u00f4le de la qualit\u00e9 des maillages.<\/p>\n\n\n\n<p class=\"has-text-align-center\">       <img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"456\" class=\"wp-image-1608\" style=\"width: 300px;\" src=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/image17.png\" alt=\"\" srcset=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/image17.png 529w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/image17-197x300.png 197w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/image17-99x150.png 99w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>               <img loading=\"lazy\" decoding=\"async\" width=\"355\" height=\"465\" class=\"wp-image-1609\" style=\"width: 355px;\" src=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/image71.png\" alt=\"\" srcset=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/image71.png 554w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/image71-229x300.png 229w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/image71-114x150.png 114w\" sizes=\"(max-width: 355px) 100vw, 355px\" \/><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Catalogue des algorithmes de maillage<a href=\"file:\/\/\/home\/D68518\/Salome\/website\/build\/html\/FLAVORS\/MESHING-fr.html#catalogue-des-algorithmes-de-maillage\"><\/a><\/h2>\n\n\n\n<p>La plateforme SALOME fournit:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>ses propres algorithmes de maillages (quadrangles, hexa\u00e8dres, &#8230;)<\/li><li>des algorithmes open-source tels que <strong><a href=\"https:\/\/sourceforge.net\/projects\/netgen-mesher\" target=\"_blank\" rel=\"noreferrer noopener\">NETGEN<\/a><\/strong> et <strong><a href=\"http:\/\/gmsh.info\" target=\"_blank\" rel=\"noreferrer noopener\">GMSH<\/a><\/strong> <\/li><li>des algorithmes commerciaux de la suite MeshGems: MG-CADSurf, MG-Tetra, MG-Hybrid, MG-Hexa, \u00e9dit\u00e9s par <strong><a href=\"https:\/\/www.spatial.com\/products\/3d-precise-mesh\" target=\"_blank\" rel=\"noreferrer noopener\">3DS Spatial<\/a><\/strong>, qui n\u00e9cessitent une licence commerciale.<\/li><\/ul>\n\n\n\n<p>Ces puissants outils de maillage sont bas\u00e9s sur diff\u00e9rents algorithmes et propri\u00e9t\u00e9s (taille locale, taux de croissance, sommets forc\u00e9s&#8230;) qui peuvent \u00eatre ajust\u00e9s pour obtenir la meilleure qualit\u00e9 de maillage pour chaque simulation num\u00e9rique sp\u00e9cifique. Ces diff\u00e9rents algorithmes de maillage peuvent \u00eatre combin\u00e9s dans SALOME.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"291\" class=\"wp-image-1619\" style=\"width: 400px;\" src=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_surf.png\" alt=\"\" srcset=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_surf.png 982w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_surf-300x218.png 300w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_surf-150x109.png 150w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_surf-768x558.png 768w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_surf-800x582.png 800w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>   <img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"297\" class=\"wp-image-1618\" style=\"width: 400px;\" src=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_hybrid_cut.png\" alt=\"\" srcset=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_hybrid_cut.png 961w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_hybrid_cut-300x223.png 300w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_hybrid_cut-150x111.png 150w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_hybrid_cut-768x571.png 768w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/mesh_hybrid_cut-800x594.png 800w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Optimisation et raffinement<a href=\"file:\/\/\/home\/D68518\/Salome\/website\/build\/html\/FLAVORS\/MESHING-fr.html#optimisation-et-raffinement\"><\/a><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-full is-resized\"><a href=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/homard.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/homard.png\" alt=\"\" class=\"wp-image-1661\" width=\"195\" height=\"147\" srcset=\"https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/homard.png 779w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/homard-300x226.png 300w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/homard-150x113.png 150w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/homard-768x580.png 768w, https:\/\/www.salome-platform.org\/wp-content\/uploads\/2022\/02\/homard-400x300.png 400w\" sizes=\"(max-width: 195px) 100vw, 195px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Le module SMESH est compl\u00e9t\u00e9 par le module HOMARD\u00ae qui effectue les adaptations locales de maillage requises par les codes num\u00e9riques pour r\u00e9pondre aux exigences de pr\u00e9cision et de performance. HOMARD\u00ae permet des op\u00e9rations de raffinement pour adapter le maillage, en fonction de l\u2019erreur num\u00e9rique de la simulation pour assurer un compromis efficace entre un maillage fin et un faible co\u00fbt de calcul.<\/p>\n\n\n\n<p>Plus de d\u00e9tails dans la documentation de <a href=\"https:\/\/docs.salome-platform.org\/latest\/gui\/SMESH\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\">SMESH<\/a> et de <a href=\"https:\/\/docs.salome-platform.org\/latest\/gui\/HOMARD\/fr\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\">HOMARD<\/a>.<\/p>\n\n\n\n<p> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le module de maillage SMESH fournit une large gamme d\u2019algorithmes particuli\u00e8rement adapt\u00e9s aux m\u00e9thodes d\u2019\u00e9l\u00e9ments finis et de volumes finis. Un maillage peut \u00eatre enrichi par des groupes pour distinguer diff\u00e9rentes r\u00e9gions de la g\u00e9om\u00e9trie. Cela permet de diff\u00e9rencier les propri\u00e9t\u00e9s des mailles ou m\u00eame les types de mailles (hexa\u00e9driques ou t\u00e9tra\u00e9driques). Les groupes permettent &#8230; <a title=\"Mailler la CAO\" class=\"read-more\" href=\"https:\/\/www.salome-platform.org\/?page_id=347\" aria-label=\"Read more about Mailler la CAO\">Read more<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"parent":154,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-347","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mailler la CAO - SALOME PLATFORM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.salome-platform.org\/?page_id=347\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mailler la CAO - SALOME PLATFORM\" \/>\n<meta property=\"og:description\" content=\"Le module de maillage SMESH fournit une large gamme d\u2019algorithmes particuli\u00e8rement adapt\u00e9s aux m\u00e9thodes d\u2019\u00e9l\u00e9ments finis et de volumes finis. Un maillage peut \u00eatre enrichi par des groupes pour distinguer diff\u00e9rentes r\u00e9gions de la g\u00e9om\u00e9trie. Cela permet de diff\u00e9rencier les propri\u00e9t\u00e9s des mailles ou m\u00eame les types de mailles (hexa\u00e9driques ou t\u00e9tra\u00e9driques). Les groupes permettent ... 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