{"id":253185,"date":"2026-02-02T10:19:56","date_gmt":"2026-02-02T09:19:56","guid":{"rendered":"https:\/\/cimne.com\/tesi-uxue-chasco-tecniques-simulacio-numerica-3d\/"},"modified":"2026-02-23T17:46:53","modified_gmt":"2026-02-23T16:46:53","slug":"tesi-uxue-chasco-tecniques-simulacio-numerica-3d","status":"publish","type":"post","link":"https:\/\/cimne.com\/ca\/tesi-uxue-chasco-tecniques-simulacio-numerica-3d\/","title":{"rendered":"Defensa de tesi doctoral: &#8220;T\u00e8cniques innovadores per a la simulaci\u00f3 num\u00e8rica 3D dels fluxos de torrents d&#8217;alta muntanya&#8221; per Uxue Chasco"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.16&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row admin_label=&#8221;fila&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<div class=\"newTexto\">\n<h5 class=\"cimne blue-background\">RESUM<\/h5>\n<p>Aquesta tesi desenvolupa una eina num\u00e8rica per a l\u2019an\u00e0lisi de fluxos torrencials en zones d\u2019alta muntanya. La formulaci\u00f3 es basa en un enfocament euleri\u00e0 bif\u00e0sic, newtoni\u00e0 i incompressible, combinat amb un m\u00e8tode de level set per capturar la superf\u00edcie lliure. Una de les principals contribucions de la tesi \u00e9s la millora de les propietats de conservaci\u00f3 de massa i energia en formulacions eulerianes bif\u00e0siques. S\u2019afegeix un terme de font de massa coherent per corregir les p\u00e8rdues de massa intr\u00ednseques del m\u00e8tode level set, i s\u2019introdueix una estrat\u00e8gia de fraccionament en tres passos que garanteix les propietats de conservaci\u00f3 d\u2019energia de l\u2019esquema num\u00e8ric per al problema acoblat de Navier\u2013Stokes i la convecci\u00f3 de la superf\u00edcie lliure. La formulaci\u00f3 tamb\u00e9 s\u2019est\u00e9n a reologies no newtonianes, fet que permet reproduir comportaments de flux m\u00e9s complexos presents en esdeveniments de moviments de massa. Igualment, es proposa un m\u00e8tode que adapta les condicions de contorn habituals en CFD dins d\u2019un marc bif\u00e0sic per a fluxos hidr\u00e0ulics, permetent capturar amb precisi\u00f3 tant r\u00e8gims supercr\u00edtics com subcr\u00edtics. Tamb\u00e9 es desenvolupa una eina de tipus \u201ccaixa negra\u201d per generar malles tridimensionals de terreny, produint geometries derivades de dades reals i facilitant-ne l\u2019aplicaci\u00f3 a escenaris de risc per moviments de massa. El marc proposat es valida mitjan\u00e7ant casos te\u00f2rics, experimentals i a escala real. Entre aquests casos, destaca especialment el col\u00b7lapse glacera\u2013roca de Chamoli (\u00cdndia, 2021), que demostra la capacitat de l\u2019eina desenvolupada per reproduir un esdeveniment torrencial de gran escala i confirma la seva idone\u00eftat per a l\u2019an\u00e0lisi del risc associat als fluxos de massa en alta muntanya.<\/p>\n<p><strong>Directors de tesi: <\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/cimne.com\/ca\/sobre-nosaltres\/directori\/perfil-membre\/?id=563\">Riccardo Rossi Bernocoli<\/a><\/li>\n<li>Rub\u00e9n Zorrilla Mart\u00ednez<\/li>\n<\/ul>\n<h5 class=\"cimne blue-background\">CANDIDATA<\/h5>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-254372 size-full alignleft\" src=\"https:\/\/cimne.com\/wp-content\/uploads\/2026\/02\/Chasco_CIMNE-1.jpg\" alt=\"Uxue Chasco\" width=\"150\" height=\"150\" \/><a href=\"https:\/\/www.linkedin.com\/in\/uxue-chasco-go%C3%B1i-665962185\/\">Uxue Chasco<\/a> \u00e9s doctoranda al grup Kratos Multiphysics al CIMNE, dins del cl\u00faster de recerca de <a href=\"https:\/\/cimne.com\/ca\/recerca\/clusters-de-recerca\/calculs-multifisics-a-gran-escala\/\">C\u00e0lculs multif\u00edsics a gran escala<\/a>. La seva recerca se centra en el desenvolupament d\u2019eines num\u00e8riques avan\u00e7ades per a la simulaci\u00f3 3D de fluxos torrencials en alta muntanya, abordant espec\u00edficament la conservaci\u00f3 de massa i energia en formulacions bif\u00e0siques.<\/p>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RESUM Aquesta tesi desenvolupa una eina num\u00e8rica per a l\u2019an\u00e0lisi de fluxos torrencials en zones d\u2019alta muntanya. La formulaci\u00f3 es basa en un enfocament euleri\u00e0 bif\u00e0sic, newtoni\u00e0 i incompressible, combinat amb un m\u00e8tode de level set per capturar la superf\u00edcie lliure. Una de les principals contribucions de la tesi \u00e9s la millora de les propietats [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":253186,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","slim_seo":{"title":"Defensa de tesi doctoral: \"T\u00e8cniques innovadores per a la simulaci\u00f3 num\u00e8rica 3D dels fluxos de torrents d'alta muntanya\" per Uxue Chasco - CIMNE","description":"RESUM Aquesta tesi desenvolupa una eina num\u00e8rica per a l\u2019an\u00e0lisi de fluxos torrencials en zones d\u2019alta muntanya. La formulaci\u00f3 es basa en un enfocament euleri\u00e0"},"footnotes":""},"categories":[244,108],"tags":[538],"class_list":["post-253185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-defensa-de-tesi","category-esdeveniments","tag-kratos-multiphysics"],"acf":{"date":"20260227","start_date":null,"finish_date":null,"time":"12:00:00","place":"Sala OCZ, Edifici C1 (1r pis), Campus Nord de la UPC, Barcelona","attendance":"In person","online_streaming":"","registration":""},"_links":{"self":[{"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/posts\/253185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/comments?post=253185"}],"version-history":[{"count":0,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/posts\/253185\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/media\/253186"}],"wp:attachment":[{"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/media?parent=253185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/categories?post=253185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/tags?post=253185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}