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La prestigieuse Simons Foundation de New York a annonc\u00e9 le 1 ao\u00fbt 2023 l\u2019attribution de la somme de 3,5 millions de dollars \u00e0 une collaboration internationale de 14 chercheurs porteurs d\u2019un projet interdisciplinaire en math\u00e9matiques et sciences physiques d\u2019une dur\u00e9e de 3 ans portant sur la turbulence d\u2019ondes.<\/p>\n
Eric Falcon, Directeur de Recherche CNRS au laboratoire Mati\u00e8re et Syst\u00e8mes Complexes (MSC) de l\u2019Universit\u00e9 Paris Cit\u00e9, est l\u2019un des chercheurs porteurs associ\u00e9 \u00e0 la recherche exp\u00e9rimentale li\u00e9e au projet.<\/p>\n<\/div>\n<\/div>\n<\/div>\n
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La surface agit\u00e9e de l\u2019oc\u00e9an est un exemple typique de turbulence d\u2019ondes. Elle r\u00e9sulte de l\u2019interaction entre plusieurs ondes qui peuvent \u00e9changer de l\u2019\u00e9nergie entre elles. D\u2019autres champs d\u2019applications concernent notamment les plasmas magn\u00e9tis\u00e9s (vent solaires, plasmas de fusion type ITER), l\u2019optique non lin\u00e9aire, les \u00e9coulements g\u00e9o- ou astrophysiques dans les plan\u00e8tes ou les \u00e9toiles en rotation, ou les ondes gravitationnelles. La probl\u00e9matique centrale est de donner des bases solides \u00e0 la th\u00e9orie physique, dite de turbulence faible, dans ces diff\u00e9rents contextes. Ceci n\u00e9cessitera des efforts conjoints \u00e0 la fronti\u00e8re de la physique et des math\u00e9matiques, en m\u00e9canique des fluides, physique statistique, th\u00e9orie des \u00e9quations aux d\u00e9riv\u00e9es partielles ou th\u00e9orie des probabilit\u00e9s, qu\u2019ils soient de nature exp\u00e9rimentale ou th\u00e9orique. Plusieurs exp\u00e9riences sont pr\u00e9vues au laboratoire MSC (CNRS\/Universit\u00e9 Paris Cit\u00e9) o\u00f9 seront \u00e9tudi\u00e9es diverses situations pouvant conduire \u00e0 la turbulence d\u2019ondes.<\/p>\n
Le consortium est dirig\u00e9 par Jalal Shatah du Courant Institute de New York University. Outre l\u2019Universit\u00e9 Paris Cit\u00e9, le projet implique \u00e9galement des chercheurs du CNRS (INSIS et INP) de l\u2019ENS de Lyon, de l\u2019Universit\u00e9 de Nice C\u00f4te d\u2019Azur, de l\u2019Universit\u00e9 Grenoble-Alpes, et de l\u2019Universit\u00e9 Paris Sud du c\u00f4t\u00e9 fran\u00e7ais, ainsi que de l\u2019Universit\u00e9 de Princeton, du Michigan, du Massachusetts Amherst, du MIT, de UCLA, de Johns Hopkins et de Turin.<\/p>\n
Apr\u00e8s avoir \u00e9t\u00e9 financ\u00e9 quatre ann\u00e9es (2019 \u2013 2023) \u00e0 hauteur de 8 millions de dollars, le projet vient d\u2019\u00eatre prolong\u00e9 par la Simons Foundation pour trois ann\u00e9es suppl\u00e9mentaires (2023 \u2013 2026) pour un montant de 3,5 millions de dollars.<\/p>\n
Une application de ces travaux pourrait \u00eatre l\u2019am\u00e9lioration des mod\u00e8les de pr\u00e9diction de la houle \u00e0 l\u2019\u00e9chelle plan\u00e9taire. Une description pr\u00e9cise de la surface de l\u2019oc\u00e9an est \u00e9galement importante pour quantifier le couplage entre oc\u00e9an et atmosph\u00e8re dans les mod\u00e8les climatiques.<\/p>\n
\u2022 Site de la SF Wave Turbulence International Collaboration<\/a> [\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_4″][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=\u00a0\u00bb1″ specialty=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb3.21″ custom_padding=\u00a0\u00bb0px||0px|\u00a0\u00bb prev_background_color=\u00a0\u00bb#000000″ inner_width=\u00a0\u00bbauto\u00a0\u00bb inner_max_width=\u00a0\u00bbnone\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb3.19.11″ width=\u00a0\u00bb80%\u00a0\u00bb max_width=\u00a0\u00bb1080px\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″][et_pb_text admin_label=\u00a0\u00bb\u00c0 lire aussi\u00a0\u00bb _builder_version=\u00a0\u00bb3.22.1″]<\/p>\n [\/et_pb_text][et_pb_blog _builder_version=\u00a0\u00bb3.22.1″ posts_number=\u00a0\u00bb4″ include_categories=\u00a0\u00bb17″ show_author=\u00a0\u00bboff\u00a0\u00bb show_date=\u00a0\u00bboff\u00a0\u00bb show_pagination=\u00a0\u00bboff\u00a0\u00bb border_width_bottom_fullwidth=\u00a0\u00bb1px\u00a0\u00bb border_color_bottom_fullwidth=\u00a0\u00bbrgba(51,51,51,0.18)\u00a0\u00bb custom_padding=\u00a0\u00bb||50px|\u00a0\u00bb module_id=\u00a0\u00bbpage_type_blog\u00a0\u00bb header_level=\u00a0\u00bbh4″ text_shadow_horizontal_length=\u00a0\u00bbtext_shadow_style,%91object Object%93″ text_shadow_vertical_length=\u00a0\u00bbtext_shadow_style,%91object Object%93″ text_shadow_blur_strength=\u00a0\u00bbtext_shadow_style,%91object Object%93″ header_text_shadow_horizontal_length=\u00a0\u00bbheader_text_shadow_style,%91object Object%93″ header_text_shadow_vertical_length=\u00a0\u00bbheader_text_shadow_style,%91object Object%93″ header_text_shadow_blur_strength=\u00a0\u00bbheader_text_shadow_style,%91object Object%93″ body_text_shadow_horizontal_length=\u00a0\u00bbbody_text_shadow_style,%91object Object%93″ body_text_shadow_vertical_length=\u00a0\u00bbbody_text_shadow_style,%91object Object%93″ body_text_shadow_blur_strength=\u00a0\u00bbbody_text_shadow_style,%91object Object%93″ meta_text_shadow_horizontal_length=\u00a0\u00bbmeta_text_shadow_style,%91object Object%93″ meta_text_shadow_vertical_length=\u00a0\u00bbmeta_text_shadow_style,%91object Object%93″ meta_text_shadow_blur_strength=\u00a0\u00bbmeta_text_shadow_style,%91object Object%93″ pagination_text_shadow_horizontal_length=\u00a0\u00bbpagination_text_shadow_style,%91object Object%93″ pagination_text_shadow_vertical_length=\u00a0\u00bbpagination_text_shadow_style,%91object Object%93″ pagination_text_shadow_blur_strength=\u00a0\u00bbpagination_text_shadow_style,%91object Object%93″ z_index_tablet=\u00a0\u00bb500″ \/][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":" La prestigieuse Simons Foundation de New York a annonc\u00e9 le 1 ao\u00fbt 2023 l\u2019attribution de la somme de 3,5 millions de dollars \u00e0 une collaboration internationale de 14 chercheurs porteurs d\u2019un projet interdisciplinaire en math\u00e9matiques et sciences physiques d\u2019une dur\u00e9e de 3 ans portant sur la turbulence d\u2019ondes. Eric Falcon, Directeur de Recherche CNRS… Lire la suite Obtention d’un financement d\u2019envergure sur un projet portant sur les turbulences d’ondes\u00a0<\/span><\/a><\/p>\n","protected":false},"author":443,"featured_media":3665,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1,17],"tags":[],"class_list":["post-3664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faculte-de-sciences","category-recherche"],"_links":{"self":[{"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/posts\/3664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/users\/443"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/comments?post=3664"}],"version-history":[{"count":6,"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/posts\/3664\/revisions"}],"predecessor-version":[{"id":3709,"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/posts\/3664\/revisions\/3709"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/media\/3665"}],"wp:attachment":[{"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/media?parent=3664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/categories?post=3664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress-test.app.u-pariscite.fr\/sciences\/wp-json\/wp\/v2\/tags?post=3664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u2022 Site sur la turbulence d\u2019ondes \u00e0 l\u2019Universit\u00e9 Paris Cit\u00e9<\/a>
\u2022 Site de la Simons Foundation<\/a><\/p>\n\u00c0<\/span> lire aussi<\/h2>\n