{"id":8339,"date":"2024-03-07T14:25:00","date_gmt":"2024-03-07T13:25:00","guid":{"rendered":"https:\/\/l2ep.univ-lille.fr\/?p=8339"},"modified":"2024-06-07T14:08:19","modified_gmt":"2024-06-07T13:08:19","slug":"seminaire-jcjc-7-juin-2024","status":"publish","type":"post","link":"https:\/\/l2ep.univ-lille.fr\/en\/seminaire-jcjc-7-juin-2024\/","title":{"rendered":"S\u00e9minaire JCJC, 7 juin 2024"},"content":{"rendered":"<p style=\"text-align: center;\"><strong><span style=\"font-size: medium; color: #f07e1c;\"><\/span><\/strong><\/p>\n<div style=\"width: 700px; margin: auto;\">\n<p style=\"text-align: center;\"><strong><span style=\"font-size: medium; color: #f07e1c;\">Finite Element Method<\/span><\/strong><\/p>\n<p style=\"text-align: center;\">7 juin 2024, 15h30, ESPRIT, Saphir<br \/>\nJo\u00ebl DRAPPIER, walid MOHAND OUSSAID<\/p>\n<p>Les machines \u00e9lectriques font actuellement l\u2019objet de nombreuses recherches pour am\u00e9liorer leurs rendements de quelques pourcents. Afin d\u2019\u00e9valuer pr\u00e9cis\u00e9ment les performances, avant la construction de prototypes r\u00e9els, on s\u2019appuie sur une mod\u00e9lisation num\u00e9rique qui doit tenir compte des caract\u00e9ristiques des mat\u00e9riaux (conductivit\u00e9 \u00e9lectrique, perm\u00e9abilit\u00e9 magn\u00e9tique, non-lin\u00e9arit\u00e9, etc.).<\/p>\n<p>Le L2EP, avec EDF R&amp;D dans le cadre d\u2019un laboratoire commun, d\u00e9veloppe depuis de nombreuses ann\u00e9es un code de calcul 3D, d\u00e9nomm\u00e9 code_Carmel, bas\u00e9 sur la m\u00e9thode des \u00e9l\u00e9ments finis pour mod\u00e9liser des dispositifs \u00e9lectromagn\u00e9tiques en basse fr\u00e9quence. Cela revient \u00e0 r\u00e9soudre les \u00e9quations de Maxwell avec les hypoth\u00e8ses des r\u00e9gimes quasi stationnaires.<\/p>\n<p>\u00c0 partir des simulations, on peut ainsi ressortir un grand nombre de donn\u00e9es inaccessibles par mesures, car restant globales, et avoir une connaissance pr\u00e9cise des ph\u00e9nom\u00e8nes locaux. Cela est primordial dans l&rsquo;\u00e9valuation de grandeurs d&rsquo;int\u00e9r\u00eats comme les pertes, le couple, etc. Avec des applications aussi bien d&rsquo;un point de vue du d\u00e9veloppement que du diagnostic des machines.<\/p>\n<p>Electric machines are currently the subject of numerous research efforts aimed at improving their efficiencies by a few percentage points. In order to precisely evaluate their performance before constructing real prototypes, researchers rely on numerical modeling that takes into account material characteristics such as electrical conductivity, magnetic permeability, non-linearity, etc.<\/p>\n<p>For many years, the L2EP, in collaboration with EDF R&amp;D as part of a joint laboratory, has been developing a 3D calculation code called code_Carmel, based on the finite element method, to model electromagnetic devices at low frequencies. This involves solving Maxwell&rsquo;s equations under the assumptions of quasi-steady-state conditions.<\/p>\n<p>Using simulations, a large amount of data inaccessible by direct measurement can be obtained, providing a precise understanding of local phenomena. This is crucial for evaluating parameters of interest such as losses, torque, etc., with applications ranging from machine development to diagnostic purposes.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Finite Element Method 7 juin 2024, 15h30, ESPRIT, Saphir Jo\u00ebl DRAPPIER, walid MOHAND OUSSAID Les machines \u00e9lectriques font actuellement l\u2019objet de nombreuses recherches pour am\u00e9liorer leurs rendements de quelques pourcents. Afin d\u2019\u00e9valuer pr\u00e9cis\u00e9ment les performances, avant la construction de prototypes r\u00e9els, on s\u2019appuie sur une mod\u00e9lisation num\u00e9rique qui doit tenir compte des caract\u00e9ristiques des mat\u00e9riaux [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[43,37],"tags":[],"_links":{"self":[{"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/posts\/8339"}],"collection":[{"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/comments?post=8339"}],"version-history":[{"count":2,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/posts\/8339\/revisions"}],"predecessor-version":[{"id":8342,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/posts\/8339\/revisions\/8342"}],"wp:attachment":[{"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/media?parent=8339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/categories?post=8339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/l2ep.univ-lille.fr\/en\/wp-json\/wp\/v2\/tags?post=8339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}