{"id":90814,"date":"2026-02-03T10:43:53","date_gmt":"2026-02-03T15:43:53","guid":{"rendered":"https:\/\/www.mayahtt.com\/blog\/f1-barcelona-aerodynamic-design-choices\/"},"modified":"2026-02-16T11:26:21","modified_gmt":"2026-02-16T16:26:21","slug":"f1-barcelone-choix-conception-aerodynamique","status":"publish","type":"post","link":"https:\/\/www.mayahtt.com\/fr\/blog\/f1-barcelone-choix-conception-aerodynamique\/","title":{"rendered":"S\u00e9ance d\u2019essai de F1 de Barcelone : ce que la CFD peut nous apprendre sur les choix de conception a\u00e9rodynamique"},"content":{"rendered":"<p>[et_pb_section fb_built=&nbsp;&raquo;1&Prime; admin_label=&nbsp;&raquo;section&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; custom_margin=&nbsp;&raquo;0px||||false|false&nbsp;&raquo; custom_padding=&nbsp;&raquo;0px||||false|false&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_row admin_label=&nbsp;&raquo;row&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; background_size=&nbsp;&raquo;initial&nbsp;&raquo; background_position=&nbsp;&raquo;top_left&nbsp;&raquo; background_repeat=&nbsp;&raquo;repeat&nbsp;&raquo; custom_margin=&nbsp;&raquo;0px||||false|false&nbsp;&raquo; custom_padding=&nbsp;&raquo;0px||||false|false&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.16&Prime; custom_padding=&nbsp;&raquo;|||&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo; custom_padding__hover=&nbsp;&raquo;|||&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p>La plupart des \u00e9curies de F1 ayant particip\u00e9 la semaine derni\u00e8re \u00e0 Barcelone \u00e0 la premi\u00e8re des deux s\u00e9ances d\u2019essais, les supporteurs ont enfin pu d\u00e9couvrir les voitures conformes \u00e0 la r\u00e9glementation\u00a02026. Bien que certains d\u00e9tails des ensembles a\u00e9rodynamiques n\u2019aient pas \u00e9t\u00e9 enti\u00e8rement visibles \u00e0 partir des images limit\u00e9es disponibles, un \u00e9l\u00e9ment a attir\u00e9 mon attention\u00a0: les extr\u00e9mit\u00e9s des ailerons avant, les bordures et les ailettes d\u2019extr\u00e9mit\u00e9 que les \u00e9curies ont install\u00e9es (ou ont choisi de ne pas installer).<\/p>\n<p>Si vous d\u00e9couvrez cette s\u00e9rie, n\u2019h\u00e9sitez pas \u00e0 consulter nos publications pr\u00e9c\u00e9dentes\u00a0:\u00a0<a href=\"https:\/\/www.mayahtt.com\/fr\/blog\/f1-2026-lair-sale-souvent-evoque-desormais-visualise\/\">F1\u00a02026\u00a0: Air sale\u00a0\u2013 souvent \u00e9voqu\u00e9, d\u00e9sormais visualis\u00e9<\/a>\u00a0et\u00a0<a href=\"https:\/\/www.mayahtt.com\/fr\/blog\/400-kmh-les-f1-2026-peuvent-elles-y-arriver\/\">400\u00a0km\/h en ligne de mire\u00a0: Les voitures de F1 peuvent-elles y arriver en 2026\u00a0?<\/a><\/p>\n<p>[\/et_pb_text][et_pb_image src=&nbsp;&raquo;https:\/\/www.mayahtt.com\/wp-content\/uploads\/2026\/02\/f1-cars-front-wings.jpg&nbsp;&raquo; alt=&nbsp;&raquo;Front wings of F1 teams at shakedown in Barcelona Source: F1, Sport 360&Prime; title_text=&nbsp;&raquo;f1-cars-front-wings&nbsp;&raquo; align=&nbsp;&raquo;center&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; border_radii=&nbsp;&raquo;on|20px|20px|20px|20px&nbsp;&raquo; box_shadow_style=&nbsp;&raquo;preset1&Prime; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][\/et_pb_image][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p style=\"text-align: center;\"><em>Image\u00a0: Ailes avant des \u00e9curies de F1 \u00e0 la s\u00e9ance d\u2019essai de Barcelone Source\u00a0: F1, Sport\u00a0360<\/em><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p>Red\u00a0Bull, Aston Martin et Ferrari n\u2019ont rien install\u00e9. Mercedes et VCARB ont install\u00e9 de petits ailerons de d\u00e9flexion vers l\u2019ext\u00e9rieur. Audi, Alpine, Haas et McLaren ont install\u00e9 des ailerons de d\u00e9flexion vers le haut et vers le bas. Cadillac a opt\u00e9 pour deux petites bordures de d\u00e9flexion vers l\u2019ext\u00e9rieur et un aileron de d\u00e9flexion vers le haut.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<h2>Fonction a\u00e9rodynamique<\/h2>\n<p>La fonction de ces \u00e9l\u00e9ments (ou de leur absence) consiste \u00e0 contr\u00f4ler l\u2019\u00e9crasement et le sillage du pneu avant et \u00e0 alimenter les composants a\u00e9rodynamiques en aval en air \u00ab\u00a0propre\u00a0\u00bb \u00e0 haute \u00e9nergie. Ils y parviennent en g\u00e9n\u00e9rant des tourbillons. Vous trouverez ci-dessous l\u2019effet simplifi\u00e9 attendu de chaque g\u00e9om\u00e9trie que j\u2019ai d\u00e9cid\u00e9 d\u2019utiliser.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&nbsp;&raquo;https:\/\/www.mayahtt.com\/wp-content\/uploads\/2026\/02\/f1-geometry-mechanisms.png&nbsp;&raquo; alt=&nbsp;&raquo;Mechanisms leveraged by each geometry&nbsp;&raquo; title_text=&nbsp;&raquo;f1-geometry-mechanisms&nbsp;&raquo; align=&nbsp;&raquo;center&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; border_radii=&nbsp;&raquo;on|20px|20px|20px|20px&nbsp;&raquo; box_shadow_style=&nbsp;&raquo;preset1&Prime; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][\/et_pb_image][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p style=\"text-align: center;\"><em>Image\u00a0: M\u00e9canismes mis en \u0153uvre par chaque g\u00e9om\u00e9trie<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p>La d\u00e9flexion vers le bas et la d\u00e9flexion vers l\u2019ext\u00e9rieur doivent \u00e9liminer le sillage inf\u00e9rieur du pneu et augmenter la partie centrale, la d\u00e9flexion vers le haut permettant de r\u00e9aliser le contraire. Il est \u00e9vident que ces structures interagiront avec les composants voisins et les caract\u00e9ristiques de flux, mais la r\u00e9alit\u00e9 est beaucoup plus complexe. C\u2019est l\u00e0 que la CFD entre en jeu.<\/p>\n<h2>G\u00e9om\u00e9trie et analyse CFD<\/h2>\n<p>Avec le concept param\u00e9trique de la r\u00e9glementation de 2026, il n\u2019a fallu que quelques minutes pour ajouter des ailerons et des bordures \u00e0 l\u2019aileron avant et relancer la simulation. Au total, quatre g\u00e9om\u00e9tries ont \u00e9t\u00e9 analys\u00e9es.<\/p>\n<ol>\n<li>Pas de bordures ni d\u2019aileron \u00e0 titre de r\u00e9f\u00e9rence (Ferrari-Red\u00a0Bull-Aston)<\/li>\n<li>Aileron de d\u00e9flexion horizontale vers le bas (McLaren)<\/li>\n<li>Aileron de d\u00e9flexion horizontale vers le haut (Audi-Alpine)<\/li>\n<li>Bordure de d\u00e9flexion verticale vers l\u2019ext\u00e9rieur (Mercedes-VCARB)<\/li>\n<\/ol>\n<p>[\/et_pb_text][et_pb_image src=&nbsp;&raquo;https:\/\/www.mayahtt.com\/wp-content\/uploads\/2026\/02\/f1-studied-geometries.png&nbsp;&raquo; alt=&nbsp;&raquo;Formula 1 Car studied geometries&nbsp;&raquo; title_text=&nbsp;&raquo;f1-studied-geometries&nbsp;&raquo; align=&nbsp;&raquo;center&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; border_radii=&nbsp;&raquo;on|20px|20px|20px|20px&nbsp;&raquo; box_shadow_style=&nbsp;&raquo;preset1&Prime; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][\/et_pb_image][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p style=\"text-align: center;\"><em>Image\u00a0: \u00c9tudes des g\u00e9om\u00e9tries<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p>Tous les r\u00e9sultats ont pour r\u00e9f\u00e9rence l\u2019image n<sup>o<\/sup>\u00a01. Avant de poursuivre l\u2019analyse, il est important de pr\u00e9ciser que les \u00e9curies ont choisi ces g\u00e9om\u00e9tries en fonction de la conception du reste de la voiture. Bien que cette comparaison permette de mieux comprendre le r\u00f4le de cet \u00e9l\u00e9ment, certaines interactions ne seront pas prises en compte et le tableau complet ne sera pas repr\u00e9sent\u00e9.<\/p>\n<p>Les tourbillons g\u00e9n\u00e9r\u00e9s par les \u00e9l\u00e9ments horizontaux sont faciles \u00e0 distinguer, tandis que l\u2019\u00e9l\u00e9ment vertical ne semble pas avoir son propre tourbillon isol\u00e9 et durable.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&nbsp;&raquo;https:\/\/www.mayahtt.com\/wp-content\/uploads\/2026\/02\/helicity_compare.jpg&nbsp;&raquo; alt=&nbsp;&raquo;F1 Car helicity across baseline and concept 2, 3,4. Orange is clockwise, blue is counterclockwise&nbsp;&raquo; title_text=&nbsp;&raquo;helicity_compare&nbsp;&raquo; align=&nbsp;&raquo;center&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; border_radii=&nbsp;&raquo;on|20px|20px|20px|20px&nbsp;&raquo; box_shadow_style=&nbsp;&raquo;preset1&Prime; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][\/et_pb_image][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p style=\"text-align: center;\"><em>Image\u00a0: H\u00e9licit\u00e9 entre l\u2019image de r\u00e9f\u00e9rence et les concepts\u00a02, 3 et 4. La couleur orange repr\u00e9sente un tourbillon dans le sens horaire, la couleur bleue un tourbillon dans le sens antihoraire.<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p>Ces tourbillons provoquent un changement significatif dans le champ de propagation en aval. L\u2019une des nombreuses fa\u00e7ons de le visualiser consiste \u00e0 comparer la solution au niveau des plans de coupe pour l\u2019h\u00e9licit\u00e9, le coefficient de pression totale ainsi que les composants de vitesse y et z. Dans tous les cas, la couleur rouge indique une augmentation et la couleur bleue une diminution.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&nbsp;&raquo;https:\/\/www.mayahtt.com\/wp-content\/uploads\/2026\/02\/f1-zy-planes-to-compare.png&nbsp;&raquo; alt=&nbsp;&raquo;F1 car zy planes selected to compare solution&nbsp;&raquo; title_text=&nbsp;&raquo;f1-zy-planes-to-compare&nbsp;&raquo; align=&nbsp;&raquo;center&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; border_radii=&nbsp;&raquo;on|20px|20px|20px|20px&nbsp;&raquo; box_shadow_style=&nbsp;&raquo;preset1&Prime; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][\/et_pb_image][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p style=\"text-align: center;\"><em>Image\u00a0: plans z et y s\u00e9lectionn\u00e9s pour une comparaison de la solution<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p>\u00c0 partir du concept 2, nous pouvons voir que la fixation du pneu est am\u00e9lior\u00e9e dans le coin inf\u00e9rieur droit et le coin sup\u00e9rieur gauche du pneu. Les poches d\u2019air pr\u00e9sentant un coefficient de pression totale (CPT) am\u00e9lior\u00e9 sont alors capt\u00e9es dans la moiti\u00e9 inf\u00e9rieure vers le ponton lat\u00e9ral, tandis que l\u2019air pr\u00e9sentant un CPT moins favorable est capt\u00e9 dans la moiti\u00e9 sup\u00e9rieure du sillage.<\/p>\n<p>[\/et_pb_text][dsm_image_carousel gallery_ids=&nbsp;&raquo;90678,90680,90682&Prime; slide_to_show=&nbsp;&raquo;1&Prime; speed=&nbsp;&raquo;543&Prime; autoplay_speed=&nbsp;&raquo;3609&Prime; show_lightbox=&nbsp;&raquo;on&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][\/dsm_image_carousel][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p style=\"text-align: center;\"><em>image\u00a0: colonne de gauche\u00a0: h\u00e9licit\u00e9 bsl, concept d\u2019h\u00e9licit\u00e9\u00a02, diff\u00e9rence d\u2019h\u00e9licit\u00e9 \u2013 colonne de droite\u00a0: diff\u00e9rence de vitesse y, diff\u00e9rence de vitesse z, diff\u00e9rence de cpt.<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p>Dans le concept\u00a03, avec une structure d\u2019h\u00e9licit\u00e9 oppos\u00e9e \u00e0 celle du concept\u00a02, l\u2019avantage du CPT se manifeste sur les coins oppos\u00e9s des pneus. Ce concept pr\u00e9sente l\u2019avantage d\u2019am\u00e9liorer le CPT le long du bord du sol et d\u2019augmenter la d\u00e9flexion vers l\u2019ext\u00e9rieur et vers le haut le long du bord du sol. Cependant, il envoie \u00e9galement un flux insuffisant dans le d\u00e9gagement entre le sol et le ponton lat\u00e9ral.<\/p>\n<p>[\/et_pb_text][dsm_image_carousel gallery_ids=&nbsp;&raquo;90684,90686,90688&Prime; slide_to_show=&nbsp;&raquo;1&Prime; speed=&nbsp;&raquo;508&Prime; autoplay_speed=&nbsp;&raquo;4095&Prime; show_lightbox=&nbsp;&raquo;on&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][\/dsm_image_carousel][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p><em>image\u00a0: colonne de gauche\u00a0: h\u00e9licit\u00e9 bsl, concept d\u2019h\u00e9licit\u00e9\u00a03, diff\u00e9rence d\u2019h\u00e9licit\u00e9 \u2013 colonne de droite\u00a0: diff\u00e9rence de vitesse y, diff\u00e9rence de vitesse z, diff\u00e9rence de cpt.<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p>Le concept\u00a04 pr\u00e9sente des diff\u00e9rences par rapport \u00e0 l\u2019image de r\u00e9f\u00e9rence similaires au concept\u00a03 dans la premi\u00e8re coupe, mais ensuite, la poche d\u2019air de CPT inf\u00e9rieur est envoy\u00e9e vers le haut plus rapidement. Le gain en CPT pr\u00e8s du bord du sol n\u2019entra\u00eene pas d\u2019augmentation de la d\u00e9flexion vers l\u2019ext\u00e9rieur le long du bord du sol.<\/p>\n<p>[\/et_pb_text][dsm_image_carousel gallery_ids=&nbsp;&raquo;90690,90692,90694&Prime; slide_to_show=&nbsp;&raquo;1&Prime; speed=&nbsp;&raquo;508&Prime; autoplay_speed=&nbsp;&raquo;4095&Prime; show_lightbox=&nbsp;&raquo;on&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][\/dsm_image_carousel][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p style=\"text-align: center;\"><em>image\u00a0: colonne de gauche\u00a0: h\u00e9licit\u00e9 bsl, concept d\u2019h\u00e9licit\u00e9\u00a04, diff\u00e9rence d\u2019h\u00e9licit\u00e9 \u2013 colonne de droite\u00a0: diff\u00e9rence de vitesse y, diff\u00e9rence de vitesse z, diff\u00e9rence de cpt.<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<p>Tous les concepts remod\u00e8lent \u00e0 leur mani\u00e8re le sillage de la roue avant. Il n\u2019y a pas de gagnant incontestable, surtout si l\u2019on tient compte du fait que toutes les \u00e9curies ont des g\u00e9om\u00e9tries diff\u00e9rentes pour l\u2019aileron avant et les d\u00e9flecteurs lat\u00e9raux. M\u00eame si le fait de n\u2019\u00e9quiper l\u2019extr\u00e9mit\u00e9 d\u2019aucune bordure pourrait \u00eatre la solution, il y a de fortes chances qu\u2019Aston, Red\u00a0Bull et Ferrari souhaitent simplement conserver leur avantage concurrentiel plus longtemps.<\/p>\n<p>Quoi qu\u2019il en soit, voici une derni\u00e8re \u00e9tude comparative du sillage des roues pour les quatre concepts \u00e9tudi\u00e9s.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&nbsp;&raquo;https:\/\/www.mayahtt.com\/wp-content\/uploads\/2026\/02\/cpt_compare.jpg&nbsp;&raquo; alt=&nbsp;&raquo;Side by side comparison of the F1 car wheel wake for the four studied concepts.&nbsp;&raquo; title_text=&nbsp;&raquo;cpt_compare&nbsp;&raquo; align=&nbsp;&raquo;center&nbsp;&raquo; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; border_radii=&nbsp;&raquo;on|20px|20px|20px|20px&nbsp;&raquo; box_shadow_style=&nbsp;&raquo;preset1&Prime; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_column type=&nbsp;&raquo;4_4&Prime; _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;][et_pb_text _builder_version=&nbsp;&raquo;4.27.5&Prime; _module_preset=&nbsp;&raquo;default&nbsp;&raquo; global_colors_info=&nbsp;&raquo;{}&nbsp;&raquo;]<\/p>\n<h2>Conclusion<\/h2>\n<p>Il est int\u00e9ressant de voir les \u00e9curies adopter diff\u00e9rentes orientations en mati\u00e8re de conception, et il sera encore plus int\u00e9ressant de voir comment ces concepts fonctionneront et \u00e9volueront au cours des prochaines semaines. Nous aimerions conna\u00eetre votre avis sur les choix de conception effectu\u00e9s par les diff\u00e9rentes \u00e9curies et sommes ouverts \u00e0 toute suggestion concernant d\u2019autres analyses.<\/p>\n<h3>L\u2019exploration de vos propres d\u00e9fis de conception vous int\u00e9resse\u00a0?<\/h3>\n<p><a href=\"\/fr\/about-maya-htt\/contact\/\">Contactez notre \u00e9quipe<\/a>\u00a0pour d\u00e9couvrir comment les informations issues de la simulation peuvent guider votre prochaine innovation.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La plupart des \u00e9curies de F1 ayant particip\u00e9 la semaine derni\u00e8re \u00e0 Barcelone \u00e0 la premi\u00e8re des deux s\u00e9ances d\u2019essais, les supporteurs ont enfin pu d\u00e9couvrir les voitures conformes \u00e0 la r\u00e9glementation\u00a02026. Bien que certains d\u00e9tails des ensembles a\u00e9rodynamiques n\u2019aient pas \u00e9t\u00e9 enti\u00e8rement visibles \u00e0 partir des images limit\u00e9es disponibles, un \u00e9l\u00e9ment a attir\u00e9 mon attention\u00a0: les extr\u00e9mit\u00e9s des ailerons avant, les bordures et les ailettes d\u2019extr\u00e9mit\u00e9 que les \u00e9curies ont install\u00e9es (ou ont choisi de ne pas installer). Si vous d\u00e9couvrez cette s\u00e9rie, n\u2019h\u00e9sitez pas \u00e0 consulter nos publications pr\u00e9c\u00e9dentes\u00a0:\u00a0F1\u00a02026\u00a0: Air sale\u00a0\u2013 souvent \u00e9voqu\u00e9, d\u00e9sormais visualis\u00e9\u00a0et\u00a0400\u00a0km\/h en ligne de mire\u00a0: Les voitures de F1 peuvent-elles y arriver en 2026\u00a0?Image\u00a0: Ailes avant des \u00e9curies de F1 \u00e0 la s\u00e9ance d\u2019essai de Barcelone Source\u00a0: F1, Sport\u00a0360Red\u00a0Bull, Aston Martin et Ferrari n\u2019ont rien install\u00e9. Mercedes et VCARB ont install\u00e9 de petits ailerons de d\u00e9flexion vers l\u2019ext\u00e9rieur. Audi, Alpine, Haas et McLaren ont install\u00e9 des ailerons de d\u00e9flexion vers le haut et vers le bas. Cadillac a opt\u00e9 pour deux petites bordures de d\u00e9flexion vers l\u2019ext\u00e9rieur et un aileron de d\u00e9flexion vers le haut.Fonction a\u00e9rodynamique La fonction de ces \u00e9l\u00e9ments (ou de leur absence) consiste \u00e0 contr\u00f4ler l\u2019\u00e9crasement et le sillage du pneu [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":87668,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[559,560,303],"tags":[],"class_list":["post-90814","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-fr-fr","category-articles-fr-2","category-blogue"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>S\u00e9ance d\u2019essai de F1 de Barcelone : ce que la CFD peut nous apprendre sur les choix de conception a\u00e9rodynamique - Maya HTT<\/title>\n<meta name=\"description\" content=\"With (most) F1 teams running in Barcelona last week for the first of two shakedowns, fans finally got a look the 2026 regulation cars. 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