{"id":12326,"date":"2020-07-30T10:18:41","date_gmt":"2020-07-30T08:18:41","guid":{"rendered":"http:\/\/navier-lab.fr\/?page_id=12326"},"modified":"2020-07-30T10:18:41","modified_gmt":"2020-07-30T08:18:41","slug":"modeles-multicouches","status":"publish","type":"page","link":"https:\/\/navier-lab.fr\/en\/research\/materiaux-et-structures-architectures-msa\/modelisation-et-changements-dechelle\/modeles-multicouches\/","title":{"rendered":"Mod\u00e8les multicouches"},"content":{"rendered":"<p><section class=\"kc-elm kc-css-343249 kc_row\"><div class=\"kc-row-container  kc-container\"><div class=\"kc-wrap-columns\"><div class=\"kc-elm kc-css-419107 kc_col-sm-12 kc_column kc_col-sm-12\"><div class=\"kc-col-container\"><div class=\"kc-elm kc-css-672884 kc_text_block\"><\/p>\n<p>L\u2019\u00e9quipe MSA d\u00e9veloppe diff\u00e9rentes strat\u00e9gies de <strong>mod\u00e9lisations originales de structures multicouches<\/strong> appliqu\u00e9es aux probl\u00e9matiques du g\u00e9nie civil. Les applications comprennent notamment le renforcement de structures par collage de mat\u00e9riaux composites, les structures en bois lamell\u00e9-crois\u00e9 ou mixtes bois\/b\u00e9ton.<\/p>\n<p>Un des enjeux majeurs pour ces diff\u00e9rentes structures multicouches consiste \u00e0 pr\u00e9dire le mode de ruine afin d\u2019en \u00e9valuer l\u2019efficacit\u00e9 et la durabilit\u00e9. La d\u00e9termination pr\u00e9cise de l\u2019\u00e9tat de contrainte 3D de telles structures reste difficile m\u00eame par \u00e9l\u00e9ments finis 3D. Les diff\u00e9rents outils de mod\u00e9lisation analytiques ou num\u00e9riques d\u00e9velopp\u00e9s de type <strong>mod\u00e8les de plaque enrichis<\/strong> permettent de pallier la difficult\u00e9 d\u2019un calcul 3D tout en ayant une bien meilleure approximation des champs de contraintes que par des mod\u00e8les de plaque classiques.<\/p>\n<p>\n<\/div><\/div><\/div><\/div><\/div><\/section><section class=\"kc-elm kc-css-651213 kc_row\"><div class=\"kc-row-container  kc-container\"><div class=\"kc-wrap-columns\"><div class=\"kc-elm kc-css-695885 kc_col-sm-6 kc_column kc_col-sm-6\"><div class=\"kc-col-container\"><div class=\"kc-elm kc-css-149288 kc_shortcode kc_single_image\">\n\n        <a rel=\"prettyPhoto\" class=\"kc-pretty-photo\" href=\"https:\/\/navier-lab.fr\/wp-content\/uploads\/2020\/07\/sandwich_normal_force-300x154-1.png\" title=\"\" target=\"\">\n        <img decoding=\"async\" src=\"https:\/\/navier-lab.fr\/wp-content\/uploads\/2020\/07\/sandwich_normal_force-300x154-1.png\" class=\"\" alt=\"\" \/>    <\/a>\n    <\/div>\n<div class=\"kc-elm kc-css-568526 kc_text_block\"><\/p>\n<p>Efforts normaux par couche dans une plaque en flexion<\/p>\n<p>\n<\/div><\/div><\/div><div class=\"kc-elm kc-css-396528 kc_col-sm-6 kc_column kc_col-sm-6\"><div class=\"kc-col-container\"><div class=\"kc-elm kc-css-697643 kc_shortcode kc_single_image\">\n\n        <a rel=\"prettyPhoto\" class=\"kc-pretty-photo\" href=\"https:\/\/navier-lab.fr\/wp-content\/uploads\/2020\/07\/sandwich_interface_traction-300x143-1.png\" title=\"\" target=\"\">\n        <img decoding=\"async\" src=\"https:\/\/navier-lab.fr\/wp-content\/uploads\/2020\/07\/sandwich_interface_traction-300x143-1.png\" class=\"\" alt=\"\" \/>    <\/a>\n    <\/div>\n<div class=\"kc-elm kc-css-169595 kc_text_block\"><\/p>\n<p>Efforts d&#8217;arrachement aux interfaces dans une plaque en flexion<\/p>\n<p>\n<\/div><\/div><\/div><\/div><\/div><\/section><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":12320,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-12326","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages\/12326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/comments?post=12326"}],"version-history":[{"count":1,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages\/12326\/revisions"}],"predecessor-version":[{"id":12327,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages\/12326\/revisions\/12327"}],"up":[{"embeddable":true,"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/pages\/12320"}],"wp:attachment":[{"href":"https:\/\/navier-lab.fr\/en\/wp-json\/wp\/v2\/media?parent=12326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}