{"id":261622,"date":"2026-09-22T10:24:38","date_gmt":"2026-09-22T08:24:38","guid":{"rendered":"https:\/\/cimne.com\/?p=261622"},"modified":"2026-09-22T10:37:23","modified_gmt":"2026-09-22T08:37:23","slug":"seminari-cimne-un-model-de-camp-de-fase-no-afi-basat-en-microesferes-per-a-la-fractura-de-polimers-amb-cristallitzacio-induida-per-deformacio-de-christian-linder","status":"publish","type":"post","link":"https:\/\/cimne.com\/ca\/seminari-cimne-un-model-de-camp-de-fase-no-afi-basat-en-microesferes-per-a-la-fractura-de-polimers-amb-cristallitzacio-induida-per-deformacio-de-christian-linder\/","title":{"rendered":"Seminari CIMNE: \u00abUn model de camp de fase no af\u00ed basat en microesferes per a la fractura de pol\u00edmers amb cristal\u00b7litzaci\u00f3 indu\u00efda per deformaci\u00f3\u00bb, de Christian Linder"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.27.4&#8243; _module_preset=\u00bbdefault\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row _builder_version=\u00bb4.27.4&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.27.4&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text _builder_version=\u00bb4.27.9&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb]<\/p>\n<h5 class=\"cimne blue-background\"><strong>RESUM<\/strong><\/h5>\n<p>Els pol\u00edmers de tipus cautx\u00fa s\u00f3n valorats per les seves propietats mec\u00e0niques \u00faniques, per\u00f2 predir-ne la fractura continua sent un repte a causa de la complexa din\u00e0mica a microescala de les xarxes polim\u00e8riques. Aquesta dificultat s\u2019accentua en els cautx\u00fas naturals, on la cristal\u00b7litzaci\u00f3 indu\u00efda per deformaci\u00f3 augmenta la tenacitat. Aquest treball presenta un model multiescala per predir la fractura tant en cautx\u00fas amb cristal\u00b7litzaci\u00f3 indu\u00efda per deformaci\u00f3 com en cautx\u00fas que no cristal\u00b7litzen. A microescala, el model utilitza estad\u00edstica no gaussiana per representar el comportament entr\u00f2pic de les cadenes, tenint en compte alhora les distorsions dels enlla\u00e7os moleculars i l\u2019evoluci\u00f3 dels cristal\u00b7lits. Aquests efectes es traslladen a la macroescala mitjan\u00e7ant un model de microesferes no af\u00ed adaptat al dany. A continuaci\u00f3, s\u2019utilitza un enfocament macrosc\u00f2pic de camp de fase per simular la fractura, assumint que el dany s\u2019origina pel trencament de les cadenes i que la cristal\u00b7linitat local el dificulta. La comparaci\u00f3 amb dades experimentals valida la precisi\u00f3 del model i la seva capacitat per reproduir els mecanismes d\u2019augment de la tenacitat de diversos materials de tipus cautx\u00fa.      <\/p>\n<h5 class=\"cimne blue-background\"><strong>PONENT<\/strong><\/h5>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-261615\" src=\"https:\/\/cimne.com\/wp-content\/uploads\/2026\/09\/linder.jpg\" alt=\"Christian Linder\" width=\"188\" height=\"200\">El professor <a href=\"https:\/\/engineering.stanford.edu\/people\/christian-linder\"><strong>Christian Linder<\/strong><\/a> \u00e9s l\u2019investigador principal del Computational Mechanics of Materials Lab. \u00c9s professor d\u2019Enginyeria Civil i Ambiental i, per cortesia, professor d\u2019Enginyeria Mec\u00e0nica. Tamb\u00e9 \u00e9s membre afiliat del professorat de l\u2019Institute for Computational &#038; Mathematical Engineering de Stanford. Es va doctorar en Enginyeria Civil i Ambiental a la UC Berkeley, va obtenir un m\u00e0ster en Matem\u00e0tiques a la UC Berkeley, un m\u00e0ster en Mec\u00e0nica Computacional a la University of Stuttgart i el t\u00edtol de Dipl.-Ing. en Enginyeria Civil a la TU Graz. Abans d\u2019incorporar-se a Stanford el 2013, va ser professor j\u00fanior de Micromec\u00e0nica de Materials a l\u2019Applied Mechanics Institute de la University of Stuttgart, on tamb\u00e9 va obtenir l\u2019habilitaci\u00f3 en Mec\u00e0nica. Entre els seus reconeixements m\u00e9s destacats hi ha una beca Fulbright, el Richard-von-Mises Prize de 2013, l\u2019ICCM International Computational Method Young Investigator Award de 2016, l\u2019NSF CAREER Award de 2016, el Presidential Early Career Award for Scientists and Engineers (PECASE) de 2019 i el Friedrich Wilhelm Bessel-Forschungspreis de 2026 de l\u2019Alexander von Humboldt-Stiftung. <\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RESUM Els pol\u00edmers de tipus cautx\u00fa s\u00f3n valorats per les seves propietats mec\u00e0niques \u00faniques, per\u00f2 predir-ne la fractura continua sent un repte a causa de la complexa din\u00e0mica a microescala de les xarxes polim\u00e8riques. Aquesta dificultat s\u2019accentua en els cautx\u00fas naturals, on la cristal\u00b7litzaci\u00f3 indu\u00efda per deformaci\u00f3 augmenta la tenacitat. Aquest treball presenta un model [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":261621,"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":"Seminari CIMNE: \"Un model de camp de fase no af\u00ed basat en microesferes per a la fractura de pol\u00edmers amb cristal\u00b7litzaci\u00f3 indu\u00efda per deformaci\u00f3\", de Christian Linder - CIMNE","description":"RESUM Els pol\u00edmers de tipus cautx\u00fa s\u00f3n valorats per les seves propietats mec\u00e0niques \u00faniques, per\u00f2 predir-ne la fractura continua sent un repte a causa de la com"},"_slim_seo_primary_term_category":0,"_slim_seo_primary_term_post_tag":0,"footnotes":""},"categories":[108,113],"tags":[627,628],"class_list":["post-261622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-esdeveniments","category-seminaris","tag-discretization","tag-fluid-simulation"],"acf":{"date":"20260930","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\/261622","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\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/comments?post=261622"}],"version-history":[{"count":2,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/posts\/261622\/revisions"}],"predecessor-version":[{"id":261624,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/posts\/261622\/revisions\/261624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/media\/261621"}],"wp:attachment":[{"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/media?parent=261622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/categories?post=261622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/tags?post=261622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}