{"id":23775,"date":"2026-04-13T14:49:15","date_gmt":"2026-04-13T12:49:15","guid":{"rendered":"https:\/\/fondation-grenoble-inp.fr\/?p=23775"},"modified":"2026-04-13T16:40:39","modified_gmt":"2026-04-13T14:40:39","slug":"chaire-oxalia-de-premiers-resultats-et-des-perspectives","status":"publish","type":"post","link":"https:\/\/fondation-grenoble-inp.fr\/en\/chaire-oxalia-de-premiers-resultats-et-des-perspectives\/","title":{"rendered":"Chaire Oxalia\u00a0: de premiers r\u00e9sultats et des perspectives\u00a0!"},"content":{"rendered":"
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\u00a0<\/strong>Lanc\u00e9e en 2022, la chaire Oxalia<\/a> a livr\u00e9 ses premiers r\u00e9sultats, avec le d\u00e9veloppement d\u2019un mod\u00e8le num\u00e9rique, sur lequel a travaill\u00e9 le doctorant Matthias Renaud<\/a>. Dans les trois prochaines ann\u00e9es, les recherches se poursuivront pour apporter de la robustesse au mod\u00e8le. <\/strong><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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C\u2019est une probl\u00e9matique qui s\u2019installe \u00e0 bas bruit, mais qui peut avoir des cons\u00e9quences colossales. L\u2019\u00e9rosion, tout comme l\u2019\u00e9coulement de l\u2019eau, est responsable de la d\u00e9stabilisation de certaines constructions depuis la nuit des temps. Mais avec l\u2019acc\u00e9l\u00e9ration du d\u00e9r\u00e8glement climatique, qui engendre de violents \u00e9pisodes de pr\u00e9cipitations et des hausses de temp\u00e9ratures, ces ph\u00e9nom\u00e8nes ont aujourd\u2019hui tendance \u00e0 se renforcer. Avec, en bout de cha\u00eene, des cons\u00e9quences tr\u00e8s nombreuses sur les ponts, les barrages et les infrastructures hydrauliques et des enjeux \u00e9conomiques \u00e9normes.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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D\u00e9velopper un mod\u00e8le num\u00e9rique\u2026<\/strong><\/h2>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Pour faire face \u00e0 cet enjeux, la Grenoble INP Foundation<\/a><\/strong> a lanc\u00e9 en 2022 la chaire d\u2019excellence industrielle Oxalia<\/a><\/strong>, en partenariat avec le groupe d\u2019ing\u00e9nierie Artelia<\/a><\/strong>. Objectif\u00a0: associer les mondes acad\u00e9miques et industriels pour cr\u00e9er un mod\u00e8le num\u00e9rique permettant de reproduire le ph\u00e9nom\u00e8ne d\u2019affouillement, ce creusement du sol li\u00e9 \u00e0 la perturbation du mouvement du courant. Et ainsi, mieux int\u00e9grer ce ph\u00e9nom\u00e8ne dans le processus de construction.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\u2026 et open source<\/strong><\/h2>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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L\u2019objectif de la chaire Oxalia<\/a><\/strong> est \u00e9galement de d\u00e9velopper un mod\u00e8le open source. \u00ab\u00a0Il s\u2019agit d\u2019un point essentiel, car nous voulons r\u00e9pondre \u00e0 la fois \u00e0 des probl\u00e9matiques appliqu\u00e9es d\u2019ing\u00e9nierie et \u00e0 des probl\u00e9matiques fondamentales de recherche, ce que nous permet l\u2019open source. C\u2019est une fa\u00e7on de cr\u00e9dibiliser nos travaux et de faire b\u00e9n\u00e9ficier d\u2019une expertise acad\u00e9mique \u00e0 notre partenaire industriel Artelia\u00a0\u00bb<\/em>, explique Julien Chauchat<\/a><\/strong>, chairholder of the chaire Oxalia<\/a><\/strong>.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Des premiers r\u00e9sultats par Matthias Renaud<\/strong><\/h2>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Lanc\u00e9e il y a trois ans, la chaire a notamment permis d\u2019accompagner les travaux de th\u00e8se de Matthias Renaud<\/a><\/strong>, associ\u00e9 au Geophysical and Industrial Flow Laboratory (LEGI)<\/a><\/strong>, qui se sont achev\u00e9s en fin d\u2019ann\u00e9e 2025. Cette th\u00e8se a permis de poser une premi\u00e8re brique dans l\u2019objectif que s\u2019est fix\u00e9 la chaire, en travaillant sur la migration du sable dans une dune, qui a permis d\u2019aboutir \u00e0 un premier mod\u00e8le num\u00e9rique, fonctionnant pour des applications acad\u00e9miques.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Lancement d\u2019une nouvelle th\u00e8se en 2026<\/strong><\/h2>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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En ce printemps 2026, une nouvelle th\u00e8se port\u00e9e par Arthur Lopez a \u00e9t\u00e9 lanc\u00e9e pour poursuivre ces travaux, qui auront pour mission de renforcer la robustesse du mod\u00e8le, pour le rendre applicable \u00e0 des probl\u00e9matiques industrielles de terrain. Il continuera son travail de recherche en \u00e9troite collaboration avec les \u00e9quipes d\u2019Artelia<\/a><\/strong>, pour les trois ans \u00e0 venir. Avec, \u00e0 long terme, l\u2019enjeu de pouvoir mettre sur pied un mod\u00e8le qui soit applicable d\u00e8s la phase de construction des infrastructures, en prenant mieux en compte le risque associ\u00e9 \u00e0 ce ph\u00e9nom\u00e8ne d\u2019affouillement. \u00a0<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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En savoir plus sur la Chaire Oxalia<\/em><\/strong><\/a><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Cr\u00e9er un mod\u00e8le num\u00e9rique permettant de reproduire le ph\u00e9nom\u00e8ne d\u2019affouillement et mieux int\u00e9grer ce ph\u00e9nom\u00e8ne dans le processus de construction.<\/p>","protected":false},"author":7,"featured_media":23777,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[476,481],"tags":[],"acf":[],"yoast_head":"\nChaire Oxalia\u00a0: de premiers r\u00e9sultats et des perspectives\u00a0! - Fondation Grenoble INP<\/title>\n<meta name=\"description\" content=\"Cr\u00e9er un mod\u00e8le num\u00e9rique permettant de reproduire le ph\u00e9nom\u00e8ne d\u2019affouillement et mieux int\u00e9grer ce ph\u00e9nom\u00e8ne dans le processus de const...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fondation-grenoble-inp.fr\/en\/chaire-oxalia-de-premiers-resultats-et-des-perspectives\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chaire Oxalia\u00a0: de premiers r\u00e9sultats et des perspectives\u00a0! 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