{"id":2406,"date":"2020-10-07T12:56:42","date_gmt":"2020-10-07T11:56:42","guid":{"rendered":"http:\/\/lmc2.univ-lyon1.fr\/?page_id=2406"},"modified":"2020-10-07T13:04:16","modified_gmt":"2020-10-07T12:04:16","slug":"hong-hao-fr","status":"publish","type":"page","link":"https:\/\/lmc2.univ-lyon1.fr\/?page_id=2406","title":{"rendered":"HONG Hao"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2407 size-thumbnail\" src=\"http:\/\/lmc2.univ-lyon1.fr\/wp-content\/uploads\/2020\/10\/HAO-HONG-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/p>\n<p><strong>Sujet de Doctorat<br \/>\n<\/strong><\/p>\n<h4 style=\"text-align: justify;\"><em><strong>M\u00e9thodes inverses et identification de champs et param\u00e8tres m\u00e9caniques \u00e0 partir d\u2019imagerie en surface de structures composites<\/strong><\/em><\/h4>\n<p><strong>R\u00e9sum\u00e9<\/strong><\/p>\n<p style=\"text-align: justify;\">Les d\u00e9veloppements et avanc\u00e9es r\u00e9centes des techniques d\u2019imagerie de surface\u00a0: imagerie st\u00e9r\u00e9oscopique pour la reconstruction spatio-temporelle d\u2019un objet tridimensionnel, en ont fait des outils l\u00e9gers, faciles d\u2019utilisation et d\u2019un co\u00fbt d\u00e9mocratis\u00e9. Le traitement des images et les techniques de corr\u00e9lation ont aussi b\u00e9n\u00e9fici\u00e9 d\u2019avanc\u00e9es scientifiques et technologiques, et on assiste \u00e0 un essor important des outils num\u00e9riques d\u00e9di\u00e9s. L\u2019exploitation efficace des donn\u00e9es issues de ces syst\u00e8mes de mesure non intrusives devient alors l\u2019enjeu majeur pour l\u2019identification de param\u00e8tres des mat\u00e9riaux, pour contr\u00f4ler et surveiller des structures in situ, pour l\u2019identification de d\u00e9fauts et pour une meilleure analyse des exp\u00e9rimentations complexes qui se sont d\u00e9velopp\u00e9es ces vingt derni\u00e8res ann\u00e9es.<\/p>\n<p style=\"text-align: justify;\">La question centrale abord\u00e9e dans ce projet de recherche est celle de l\u2019exploitation de ces mesures en surface pour construire le champ 3D \u00e0 l\u2019int\u00e9rieur de la structure sans faire d\u2019hypoth\u00e8ses restrictives, puis d\u2019identifier les d\u00e9fauts aux interfaces. Les applications concernent des structures renforc\u00e9es par des composites tel que les TRC \u00ab\u00a0Textile Reinforced Concrete\u00a0\u00bb.<\/p>\n<p style=\"text-align: justify;\">L\u2019approche propos\u00e9e et d\u00e9velopp\u00e9e dans le cadre de la m\u00e9canique lin\u00e9aire et non lin\u00e9aire, consiste \u00e0 formuler ce probl\u00e8me comme un probl\u00e8me de Cauchy ou d\u2019un probl\u00e8me de compl\u00e9tion de donn\u00e9es. Puis \u00e0 r\u00e9soudre un probl\u00e8me de minimisation. Cette approche pr\u00e9sente l\u2019avantage d\u2019\u00eatre non intrusive et peut \u00eatre facilement coupl\u00e9e avec le code d\u2019\u00e9l\u00e9ments finis<\/p>\n<p><strong>Encadrants<\/strong><\/p>\n<ul>\n<li>Thouraya BARANGER<\/li>\n<li>Sylvain BEL<\/li>\n<\/ul>\n<p><strong>D\u00e9but et fin de th\u00e8se<br \/>\n<\/strong><\/p>\n<p>02\/10\/2020 \u2013 02\/10\/2024<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sujet de Doctorat M\u00e9thodes inverses et identification de champs et param\u00e8tres m\u00e9caniques \u00e0 partir d\u2019imagerie [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2406","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/lmc2.univ-lyon1.fr\/index.php?rest_route=\/wp\/v2\/pages\/2406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lmc2.univ-lyon1.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lmc2.univ-lyon1.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lmc2.univ-lyon1.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lmc2.univ-lyon1.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2406"}],"version-history":[{"count":2,"href":"https:\/\/lmc2.univ-lyon1.fr\/index.php?rest_route=\/wp\/v2\/pages\/2406\/revisions"}],"predecessor-version":[{"id":2417,"href":"https:\/\/lmc2.univ-lyon1.fr\/index.php?rest_route=\/wp\/v2\/pages\/2406\/revisions\/2417"}],"wp:attachment":[{"href":"https:\/\/lmc2.univ-lyon1.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}