{"id":257304,"date":"2026-04-27T10:18:28","date_gmt":"2026-04-27T08:18:28","guid":{"rendered":"https:\/\/cimne.com\/seminari-lacan-cimne-modelitzacio-substitutiva-eficient-per-a-la-quantificacio-de-la-incertesa-the-sparse-grids-matlab-kit-per-dra-chiara-piazzola\/"},"modified":"2026-04-27T16:07:00","modified_gmt":"2026-04-27T14:07:00","slug":"seminari-lacan-cimne-modelitzacio-substitutiva-eficient-per-a-la-quantificacio-de-la-incertesa-the-sparse-grids-matlab-kit-per-dra-chiara-piazzola","status":"publish","type":"post","link":"https:\/\/cimne.com\/ca\/seminari-lacan-cimne-modelitzacio-substitutiva-eficient-per-a-la-quantificacio-de-la-incertesa-the-sparse-grids-matlab-kit-per-dra-chiara-piazzola\/","title":{"rendered":"Seminari LaC\u00e0N\/CIMNE: “Modelitzaci\u00f3 substitutiva eficient per a la quantificaci\u00f3 de la incertesa: The Sparse Grids Matlab Kit”, per Dra. Chiara Piazzola"},"content":{"rendered":"

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RESUM<\/h5>\n

The Sparse Grids Matlab Kit (SGMK) \u00e9s un paquet de programari per a l\u2019aproximaci\u00f3 eficient de models d\u2019alta dimensionalitat, amb especial atenci\u00f3 a la quantificaci\u00f3 de la incertesa (UQ) basada en models substitutius. Permet construir models substitutius precisos a partir d\u2019un nombre limitat de simulacions, fet que el fa especialment adequat per a aplicacions que impliquen solvers computacionalment costosos.<\/p>\n

En aquest seminari, presentarem els conceptes principals dels m\u00e8todes de malles disperses i en mostrarem la implementaci\u00f3 dins de l\u2019SGMK. Despr\u00e9s d\u2019una breu visi\u00f3 general dels principis en qu\u00e8 es basen, mostrarem com es construeixen les malles disperses i com s\u2019utilitzen a la pr\u00e0ctica per dur a terme tasques clau de UQ. Tamb\u00e9 destacarem les caracter\u00edstiques que fan que l\u2019SGMK sigui adequat per a fluxos de treball d\u2019enginyeria realistes, com ara el seu disseny no intrusiu, la compatibilitat amb codis de simulaci\u00f3 existents i la integraci\u00f3 amb programari extern, cosa que en permet l\u2019\u00fas en pipelines computacionals complexos.<\/p>\n

Refer\u00e8ncies<\/strong>
[1] C. Piazzola and L. Tamellini. The Sparse Grids Matlab Kit. https:\/\/github.com\/lorenzo-tamellini\/sparse-grids-matlab-kit.
[2] C. Piazzola and L. Tamellini. The Sparse Grids Matlab Kit. https:\/\/sites.google.com\/view\/sparse-grids-kit.
[3] C. Piazzola and L. Tamellini. Algorithm 1040: The Sparse Grids Matlab Kit – a Matlab implementation of sparse grids for high-dimensional function approximation and uncertainty quantification. ACM Trans. Math. Softw., 50(1):1\u201322, 2024. doi:10.1145\/3630023.<\/p>\n

\"Gr\u00e0fics<\/p>\n

PONENT<\/h5>\n

\"Chiara<\/p>\n

La Dra. Chiara Piazzola<\/a> \u00e9s investigadora postdoctoral al Departament de Matem\u00e0tiques de la Technical University of Munich. Va obtenir el doctorat l\u2019any 2019 a la University of Innsbruck i va ocupar una posici\u00f3 postdoctoral al CNR-IMATI (Pavia, It\u00e0lia). La seva recerca se situa a la interf\u00edcie entre la quantificaci\u00f3 de la incertesa, l\u2019aproximaci\u00f3 en alta dimensionalitat i els sistemes din\u00e0mics, amb especial atenci\u00f3 a la modelitzaci\u00f3 substitutiva per a models computacionals complexos en enginyeria i ci\u00e8ncies ambientals. \u00c9s codesenvolupadora de The Sparse Grids Matlab Kit.<\/p>\n

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RESUM The Sparse Grids Matlab Kit (SGMK) \u00e9s un paquet de programari per a l\u2019aproximaci\u00f3 eficient de models d\u2019alta dimensionalitat, amb especial atenci\u00f3 a la quantificaci\u00f3 de la incertesa (UQ) basada en models substitutius. Permet construir models substitutius precisos a partir d\u2019un nombre limitat de simulacions, fet que el fa especialment adequat per a aplicacions […]<\/p>\n","protected":false},"author":9,"featured_media":0,"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 LaC\u00e0N\/CIMNE: \"Modelitzaci\u00f3 substitutiva eficient per a la quantificaci\u00f3 de la incertesa: The Sparse Grids Matlab Kit\", per Dra. Chiara Piazzola - CIMNE","description":"RESUM The Sparse Grids Matlab Kit (SGMK) \u00e9s un paquet de programari per a l\u2019aproximaci\u00f3 eficient de models d\u2019alta dimensionalitat, amb especial atenci\u00f3 a la qua"},"footnotes":""},"categories":[113],"tags":[],"class_list":["post-257304","post","type-post","status-publish","format-standard","hentry","category-seminaris"],"acf":{"date":"20260429","start_date":null,"finish_date":null,"time":"16:00:00","place":"Sala 212, Edifici C2, UPC Campus Nord (Barcelona)","attendance":"In person","online_streaming":"","registration":""},"_links":{"self":[{"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/posts\/257304","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=257304"}],"version-history":[{"count":4,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/posts\/257304\/revisions"}],"predecessor-version":[{"id":257350,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/posts\/257304\/revisions\/257350"}],"wp:attachment":[{"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/media?parent=257304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/categories?post=257304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimne.com\/ca\/wp-json\/wp\/v2\/tags?post=257304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}