{"id":3993,"date":"2025-06-24T18:36:23","date_gmt":"2025-06-24T16:36:23","guid":{"rendered":"https:\/\/www.extende.com\/la-simulation-cnd\/documentation\/validation-experimentale-des-modeles-civa\/validation-experimentale-des-modeles-civa-en-ultrasons\/ultrasons-reflecteurs-artificiels\/comparaison-tfp-tg\/ut-comparaison-tfp-tg-configuration\/"},"modified":"2025-06-24T18:52:12","modified_gmt":"2025-06-24T16:52:12","slug":"ut-comparaison-tfp-tg-configuration","status":"publish","type":"page","link":"https:\/\/www.extende.com\/fr\/la-simulation-cnd\/documentation\/validation-experimentale-des-modeles-civa\/validation-experimentale-des-modeles-civa-en-ultrasons\/ultrasons-reflecteurs-artificiels\/comparaison-tfp-tg\/ut-comparaison-tfp-tg-configuration\/","title":{"rendered":"UT &#8211; Comparaison TFP-TG &#8211; Configuration"},"content":{"rendered":"<p>De mani\u00e8re \u00e0 r\u00e9aliser cette comparaison, des mesures exp\u00e9rimentales ont \u00e9t\u00e9 r\u00e9alis\u00e9es sur une pi\u00e8ce plane contenant trois TG (\u00d82\u00a0mm, 1,5\u00a0mm et 1\u00a0mm, extension 60\u00a0mm), et un TFP (\u00d83\u00a0mm, inclinaison 45\u00b0) \u00e0 30\u00a0mm de profondeur.<\/p>\n<\/p>\n<p>\u00a0<\/p>\n<\/p>\n<p style=\"text-align: center;\"><a class=\"mediabox\" href=\"https:\/\/www.extende.com\/wp-content\/uploads\/CIVA-Validation-UT-TGvsFP1-1.png\" title=\"\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"117\" src=\"https:\/\/www.extende.com\/wp-content\/uploads\/CIVA-Validation-UT-TGvsFP1-1-small.png\" title=\"\" width=\"300\" class=\"alignnone wp-image-3990\"><\/a><\/p>\n<\/p>\n<p style=\"text-align: center;\">\u00a0<\/p>\n<\/p>\n<ul class=\"liste-carres-noirs\">\n<li><span class=\"g-color2\">Analyse d\u2019amplitude\u00a0:<\/span> pour un capteur donn\u00e9, on compare l\u2019amplitude maximale mesur\u00e9e et simul\u00e9e de l\u2019\u00e9cho sp\u00e9culaire des trois TG et du TFP. L\u2019\u00e9cho du TFP est utilis\u00e9 comme r\u00e9f\u00e9rence pour les amplitudes. L\u2019objectif de ces mesures est d\u2019effectuer une validation exp\u00e9rimentale de la simulation des \u00e9chos de TG en utilisant un TFP comme r\u00e9f\u00e9rence pour les amplitudes.<\/li>\n<li><span class=\"g-color2\">Analyse de A-scan\u00a0:<\/span> dans certains cas, les A-scans ont \u00e9galement \u00e9t\u00e9 enregistr\u00e9s, ce qui r\u00e9v\u00e8le la pr\u00e9sence d\u2019ondes rampantes autour des TG.<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<\/p>\n<p>Les mesures ont \u00e9t\u00e9 r\u00e9alis\u00e9es avec des capteurs mono-\u00e9l\u00e9ments et multi-\u00e9l\u00e9ments au contact en mode Pulse Echo. Voici les param\u00e8tres de ces capteurs :<\/p>\n<\/p>\n<p><span class=\"g-color2\">Capteurs mono-\u00e9l\u00e9ments :<\/span><\/p>\n<\/p>\n<p>\u00a0<\/p>\n<\/p>\n<div style=\"text-align:center;\">\n<table border=\"1\" cellpadding=\"2\" cellspacing=\"0\" style=\"line-height: 18px;\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\">Fr\u00e9quence<\/td>\n<td style=\"text-align: center;\">Pastille<\/td>\n<td style=\"text-align: center;\">Mode<\/td>\n<td style=\"text-align: center;\">Etalonnage<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" style=\"text-align: center;\">2,25\u00a0MHz<\/td>\n<td style=\"text-align: center;\">\u00d86,35\u00a0mm<\/td>\n<td style=\"text-align: center;\">T45\u00b0<\/td>\n<td style=\"text-align: center;\">TFP de \u00d83\u00a0mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u00d812,7\u00a0mm<\/td>\n<td style=\"text-align: center;\">L45\u00b0<\/td>\n<td style=\"text-align: center;\">TFP de \u00d83\u00a0mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u00d812,7\u00a0mm<\/td>\n<td style=\"text-align: center;\">T45\u00b0<\/td>\n<td style=\"text-align: center;\">TFP de \u00d83\u00a0mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u00a0<\/p>\n<\/p>\n<p><span class=\"g-color2\">Capteurs multi-\u00e9l\u00e9ments :<\/span><\/p>\n<\/p>\n<p>\u00a0<\/p>\n<\/p>\n<div style=\"text-align:center;\">\n<table border=\"1\" cellpadding=\"2\" cellspacing=\"0\" style=\"line-height: 18px; text-align: center;\">\n<tbody>\n<tr>\n<td>Fr\u00e9quence<\/td>\n<td>El\u00e9ments<\/td>\n<td>Pitch<\/td>\n<td>Angle du sabot (incidence)<\/td>\n<td>Lois de retards<\/td>\n<\/tr>\n<tr>\n<td>5\u00a0MHz<\/td>\n<td>20<\/td>\n<td>0,7\u00a0mm<\/td>\n<td>21\u00b0 (r\u00e9fract\u00e9 en L66\u00b0 et T30\u00b0)<\/td>\n<td>D\u00e9viation angulaire L45\u00b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u00a0<\/p>\n<\/p>\n<p>Continuer vers <a class=\"lien\" href=\"https:\/\/www.extende.com\/fr\/la-simulation-cnd\/documentation\/validation-experimentale-des-modeles-civa\/validation-experimentale-des-modeles-civa-en-ultrasons\/ultrasons-reflecteurs-artificiels\/comparaison-tfp-tg\/ut-comparaison-tfp-tg-analyse-damplitude\/\" target=\"_self\">Analyse d&rsquo;amplitude<\/a><\/p>\n<\/p>\n<p>Retourner au menu <a class=\"lien\" href=\"https:\/\/www.extende.com\/fr\/la-simulation-cnd\/documentation\/validation-experimentale-des-modeles-civa\/validation-experimentale-des-modeles-civa-en-ultrasons\/ultrasons-reflecteurs-artificiels\/comparaison-tfp-tg\/\" target=\"_self\">Comparaison TFP TG<\/a><\/p>\n<\/p>\n<p>Retourner au menu <a class=\"lien\" href=\"https:\/\/www.extende.com\/fr\/la-simulation-cnd\/documentation\/validation-experimentale-des-modeles-civa\/validation-experimentale-des-modeles-civa-en-ultrasons\/ultrasons-reflecteurs-artificiels\/\" target=\"_self\">R\u00e9flecteurs artificiels<\/a><\/p>\n<\/p>\n<ul>\n<\/ul><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Validation exp\u00e9rimentale et caract\u00e9risation des mod\u00e8les Ultrasons de CIVA, r\u00e9flecteurs artificiels, g\u00e9n\u00e9ratrices et TFP, logiciel de simulation CND<\/p>\n","protected":false},"author":0,"featured_media":0,"parent":2938,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/page--extende.html.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3993","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.extende.com\/fr\/wp-json\/wp\/v2\/pages\/3993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.extende.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.extende.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"replies":[{"embeddable":true,"href":"https:\/\/www.extende.com\/fr\/wp-json\/wp\/v2\/comments?post=3993"}],"version-history":[{"count":1,"href":"https:\/\/www.extende.com\/fr\/wp-json\/wp\/v2\/pages\/3993\/revisions"}],"predecessor-version":[{"id":5607,"href":"https:\/\/www.extende.com\/fr\/wp-json\/wp\/v2\/pages\/3993\/revisions\/5607"}],"up":[{"embeddable":true,"href":"https:\/\/www.extende.com\/fr\/wp-json\/wp\/v2\/pages\/2938"}],"wp:attachment":[{"href":"https:\/\/www.extende.com\/fr\/wp-json\/wp\/v2\/media?parent=3993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}