{"id":24574,"date":"2025-09-02T19:41:22","date_gmt":"2025-09-02T19:41:22","guid":{"rendered":"https:\/\/support.buildsoft.eu\/docs\/diamonds\/boutons-geometrie\/conditions-aux-limites-pour-les-surfaces\/"},"modified":"2026-06-09T07:21:13","modified_gmt":"2026-06-09T07:21:13","slug":"conditions-aux-limites-pour-les-surfaces","status":"publish","type":"docs","link":"https:\/\/support.buildsoft.eu\/fr\/docs\/diamonds\/boutons-geometrie\/conditions-aux-limites-pour-les-surfaces\/","title":{"rendered":"Conditions aux limites pour les surfaces"},"content":{"rendered":"\n<p>Cette bo\u00eete de dialogue peut contenir des cadenas <img decoding=\"async\" loading=\"lazy\" width=\"16\" height=\"15\" class=\"wp-image-17595\" style=\"width: 16px;\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/KnopSlotjeToe.png\" alt=\"\"\/> en fonction des propri\u00e9t\u00e9s des \u00e9l\u00e9ments que vous avez s\u00e9lectionn\u00e9s. Lisez tous les d\u00e9tails sur les cadenas dans <a href=\"https:\/\/support.buildsoft.eu\/knowledge-base\/whats-with-the-padlocks-in-some-dialogs\/\" data-type=\"ht_kb\" data-id=\"17593\" target=\"_blank\" rel=\"noreferrer noopener\">cet article.<\/a> <\/p>\n\n<p style=\"font-size:16px\">Par d\u00e9faut, toutes les surfaces (= dalles, plaques, murs) sont consid\u00e9r\u00e9es comme continues. Cela signifie que toutes les forces internes peuvent \u00eatre transf\u00e9r\u00e9es entre elles. La bo\u00eete de dialogue ci-dessous permet d&rsquo;affecter des conditions limites aux bords de tous les types de surfaces, donc les dalles, les plaques, les murs. Mais pour simplifier, nous parlerons dans cet article de \u00ab plaques \u00bb et de \u00ab bords de plaques \u00bb. <\/p>\n\n<p style=\"font-size:16px\">Pour modifier les conditions aux limites d&rsquo;une bordure de plaque :<\/p>\n\n<ul>\n<li>S\u00e9lectionnez les bords de la plaque concern\u00e9s.  <br\/>Si vous souhaitez s\u00e9lectionner plusieurs bords de plaque, maintenez la touche MAJ enfonc\u00e9e pendant la s\u00e9lection.<br\/>Si vous souhaitez appliquer les conditions limites \u00e0 tous les bords de la plaque ou aux murs, ignorez cette \u00e9tape.<\/li>\n\n\n\n<li>S\u00e9lectionnez les plaques tout en maintenant la touche MAJ enfonc\u00e9e. <\/li>\n\n\n\n<li>Cliquez sur <img decoding=\"async\" loading=\"lazy\" width=\"36\" height=\"38\" class=\"wp-image-4310\" style=\"width: 36px;\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopRandvoorwaardenPlaatrand.png\" alt=\"\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopRandvoorwaardenPlaatrand.png 36w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopRandvoorwaardenPlaatrand-33x35.png 33w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/>.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Partie inf\u00e9rieure (d\u00e9finie par l&rsquo;utilisateur)<\/h2>\n\n<p style=\"font-size:16px\">La partie inf\u00e9rieure contient des options qui sont principalement utilis\u00e9es pour les dalles et les plaques. <\/p>\n\n<p style=\"font-size:16px\">Selon la s\u00e9lection, l&rsquo;un des dialogues suivants appara\u00eet<\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-4\">\n<div class=\"wp-block-column is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/VensterRandvoorwaardenPlaat2.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/VensterRandvoorwaardenPlaat2.png\" alt=\"\" class=\"wp-image-20097\" width=\"256\" height=\"164\"\/><\/a><figcaption class=\"wp-element-caption\">Option A : vous avez s\u00e9lectionn\u00e9 plusieurs plaques (avec ou sans leurs bords)<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/VensterRandvoorwaardenPlaat2b.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/VensterRandvoorwaardenPlaat2b.png\" alt=\"\" class=\"wp-image-20100\" width=\"257\" height=\"262\"\/><\/a><figcaption class=\"wp-element-caption\">Option B : vous avez s\u00e9lectionn\u00e9 une plaque, sans ses bords.<br\/>Les bords non s\u00e9lectionn\u00e9s auxquels des conditions limites ont d\u00e9j\u00e0 \u00e9t\u00e9 attribu\u00e9es sont dessin\u00e9s en bleu.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/VensterRandvoorwaardenPlaat3b.png\"><img decoding=\"async\" loading=\"lazy\" width=\"685\" height=\"701\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/VensterRandvoorwaardenPlaat3b.png\" alt=\"\" class=\"wp-image-20101\"\/><\/a><figcaption class=\"wp-element-caption\">Option C: you selected one plate, with one border. <br\/>Les bords s\u00e9lectionn\u00e9s auxquels aucune condition limite n&rsquo;a encore \u00e9t\u00e9 assign\u00e9e sont dessin\u00e9s en rouge.  <br\/>Les bords s\u00e9lectionn\u00e9s auxquels une condition limite a d\u00e9j\u00e0 \u00e9t\u00e9 attribu\u00e9e sont rouges \u00e0 l&rsquo;int\u00e9rieur et bleus \u00e0 l&rsquo;ext\u00e9rieur.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n<p style=\"font-size:16px\">\u00c0 l&rsquo;aide du menu d\u00e9roulant situ\u00e9 au milieu de la bo\u00eete de dialogue, vous pouvez <strong>indiquer \u00e0 quels \u00e9l\u00e9ments vous souhaitez appliquer les conditions aux limites :<\/strong><\/p>\n\n<ul>\n<li><strong>\u00e0 tous les bords<\/strong> de la plaque s\u00e9lectionn\u00e9e<\/li>\n\n\n\n<li><strong>uniquement aux bords<\/strong> de la plaque s\u00e9lectionn\u00e9e.\n<ul>\n<li>Soit vous s\u00e9lectionnez les bords concern\u00e9s avant d&rsquo;ouvrir ce dialogue <img decoding=\"async\" loading=\"lazy\" width=\"36\" height=\"38\" class=\"wp-image-4310\" style=\"width: 36px;\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopRandvoorwaardenPlaatrand.png\" alt=\"\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopRandvoorwaardenPlaatrand.png 36w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopRandvoorwaardenPlaatrand-33x35.png 33w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/>.<\/li>\n\n\n\n<li>Soit vous ouvrez cette bo\u00eete de dialogue <img decoding=\"async\" loading=\"lazy\" width=\"36\" height=\"38\" class=\"wp-image-4310\" style=\"width: 36px;\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopRandvoorwaardenPlaatrand.png\" alt=\"\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopRandvoorwaardenPlaatrand.png 36w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopRandvoorwaardenPlaatrand-33x35.png 33w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/> et vous cliquez sur le bord auquel vous souhaitez attribuer la condition aux limites. La zone de dessin noire dans les options B et C (voir ci-dessus) est interactive. <br\/>Vous pouvez s\u00e9lectionner plusieurs bords \u00e0 l&rsquo;aide de la <kbd>touche MAJ.<\/kbd> <br\/>Cliquez quelque part en dehors du p\u00e9rim\u00e8tre de la plaque pour annuler la s\u00e9lection.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u00e0 tous les bords <strong>horizontaux <\/strong>de la plaque s\u00e9lectionn\u00e9e<\/li>\n\n\n\n<li>\u00e0 tous les bords <strong>verticaux <\/strong>de la plaque s\u00e9lectionn\u00e9e. Cette option ne concerne que les murs verticaux.<\/li>\n<\/ul>\n\n<p style=\"font-size:16px\">Cliquez sur <img decoding=\"async\" loading=\"lazy\" width=\"20\" height=\"20\" class=\"wp-image-8774\" style=\"width: 20px;\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopVerwijderAlles.png\" alt=\"\"\/> pour effacer tous les param\u00e8tres.<\/p>\n\n<h2 class=\"wp-block-heading\">Partie sup\u00e9rieure (\u00ab\u00a0Pas de transfert de moment sur tous les bords\u00a0\u00bb)<\/h2>\n\n<p style=\"font-size:16px\">La partie sup\u00e9rieure contient des options principalement utilis\u00e9es pour les murs (en ma\u00e7onnerie).<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/VensterRandvoorwaardenOpPlaatranden2-2.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/VensterRandvoorwaardenOpPlaatranden2-2.png\" alt=\"\" class=\"wp-image-17199\" width=\"514\" height=\"526\"\/><\/a><\/figure><\/div>\n<p style=\"font-size:16px\">Les boutons rapides repr\u00e9sentent une combinaison de certaines des options ci-dessus et ci-dessous :<\/p>\n\n<figure class=\"wp-block-table width80-table\"><table><thead><tr><th>\u00a0<\/th><th class=\"has-text-align-center\" data-align=\"center\">pas de moment hors le plan<\/th><th class=\"has-text-align-center\" data-align=\"center\">pas de moment dans le plan<\/th><th class=\"has-text-align-center\" data-align=\"center\">pas de traction sur le bord sup\u00e9rieur<\/th><th class=\"has-text-align-center\" data-align=\"center\">pas d\u2019effet d\u2019arc<\/th><\/tr><\/thead><tbody><tr><td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-17185\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/KnopMetselwerk1.png\" alt=\"\" width=\"55\" height=\"38\"\/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><\/tr><tr><td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-17186\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/KnopMetselwerk2.png\" alt=\"\" width=\"55\" height=\"38\"\/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><\/tr><tr><td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-17187\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/KnopMetselwerk3.png\" alt=\"\" width=\"55\" height=\"38\"\/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><\/tr><tr><td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-17188\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/KnopMetselwerk4.png\" alt=\"\" width=\"55\" height=\"38\"\/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><\/tr><tr><td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-17189\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/KnopMetselwerk5.png\" alt=\"\" width=\"55\" height=\"38\"\/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><\/tr><tr><td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-17190\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/KnopMetselwerk6.png\" alt=\"\" width=\"55\" height=\"38\"\/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><\/tr><tr><td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-17191\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/KnopMetselwerk7.png\" alt=\"\" width=\"55\" height=\"38\"\/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><\/tr><tr><td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-17184\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2025\/09\/KnopMetselwerk8.png\" alt=\"\" width=\"55\" height=\"38\"\/><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><td class=\"has-text-align-center\" data-align=\"center\"><span style=\"font-family: 'Wingdings';\">\u00fe<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n<ul>\n<li>Pas de transfert des moments le long de tous les bords<br\/>La plaque ne pourra pas transf\u00e9rer le moment de flexion hors du plan le long des bords de la plaque. <\/li>\n\n\n\n<li>Pas de moment dans le plan<br\/>La plaque ne pourra pas transf\u00e9rer le moment de flexion dans le plan de la plaque le long des bords de la plaque.<\/li>\n\n\n\n<li>Au bord sup\u00e9rieur: pas de traction<br\/>Cette option emp\u00eache un plancher reposant sur un mur de tirer sur le mur le long du bord sup\u00e9rieur. <br\/>Cependant, cette option n&rsquo;exclut pas la possibilit\u00e9 que des tensions apparaissent dans le mur lui-m\u00eame ! Cette option s&rsquo;applique uniquement au bord sup\u00e9rieur. <br\/>Cette option entra\u00eenera toujours un calcul it\u00e9ratif et la convergence n&rsquo;est pas garantie.<\/li>\n\n\n\n<li>Pas d&rsquo;effet d&rsquo;arc<br\/>Cela fait agir le mur comme une plaque verticale unidirectionnelle. <\/li>\n<\/ul>\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-info\">Plus d&rsquo;informations sur le comportement de la ma\u00e7onnerie <a href=\"https:\/\/support.buildsoft.eu\/knowledge-base\/how-to-define-masonry-walls\/\" data-type=\"ht_kb\" data-id=\"7619\" target=\"_blank\" rel=\"noreferrer noopener\">dans cet article.<\/a><\/p>\n\n<p style=\"font-size:16px\">Cliquez sur <img decoding=\"async\" loading=\"lazy\" width=\"20\" height=\"20\" class=\"wp-image-8774\" style=\"width: 20px;\" src=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2019\/06\/KnopVerwijderAlles.png\" alt=\"\"\/> pour effacer tous les param\u00e8tres.<\/p>\n","protected":false},"featured_media":0,"parent":23382,"menu_order":13,"comment_status":"closed","ping_status":"closed","template":"","doc_tag":[],"comment_count":0,"_links":{"self":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/docs\/24574"}],"collection":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/types\/docs"}],"replies":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/comments?post=24574"}],"version-history":[{"count":4,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/docs\/24574\/revisions"}],"predecessor-version":[{"id":29439,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/docs\/24574\/revisions\/29439"}],"up":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/docs\/23382"}],"next":[{"title":"Protection incendie","link":"https:\/\/support.buildsoft.eu\/fr\/docs\/diamonds\/boutons-geometrie\/protection-incendie\/","href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/docs\/24403"}],"prev":[{"title":"Conditions aux limites pour les barres","link":"https:\/\/support.buildsoft.eu\/fr\/docs\/diamonds\/boutons-geometrie\/conditions-aux-limites-pour-les-barres\/","href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/docs\/24538"}],"wp:attachment":[{"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/media?parent=24574"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/fr\/wp-json\/wp\/v2\/doc_tag?post=24574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}