{"id":53349,"date":"2025-01-27T12:55:48","date_gmt":"2025-01-27T11:55:48","guid":{"rendered":"https:\/\/grupoalava.rearmachine.com\/preditec\/servicios\/analise-avancada\/ensaios-ods\/"},"modified":"2026-06-08T16:16:12","modified_gmt":"2026-06-08T14:16:12","slug":"ensaios-ods","status":"publish","type":"servicios-preditec","link":"https:\/\/grupoalava.rearmachine.com\/pt\/preditec\/servicios\/analise-avancada\/ensaios-ods\/","title":{"rendered":"Ensaios ODS"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-background-color:#f8fafd;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-stretch fusion-flex-content-wrap\" style=\"max-width:calc( 1250px + 30px );margin-left: calc(-30px \/ 2 );margin-right: calc(-30px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-right:20px;--awb-padding-left:21px;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:20px;--awb-spacing-left-large:0px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:15px;--awb-spacing-left-small:15px;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:28px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"font-family:&quot;Roboto&quot;;font-style:normal;font-weight:300;margin:0;font-size:1em;--fontSize:28;line-height:1.14;\">An\u00e1lise estrutural din\u00e2mica de m\u00e1quinas e instala\u00e7\u00f5es PRE-7071<\/h2><\/div><div class=\"fusion-text fusion-text-1\"><p>A an\u00e1lise estrutural nos seus modos operacional (m\u00e1quina em funcionamento), experimental e anal\u00edtico visa caraterizar o comportamento din\u00e2mico em termos de modos de vibra\u00e7\u00e3o, frequ\u00eancias pr\u00f3prias e par\u00e2metros estruturais (amortecimento, rigidez, massa).<\/p>\n<p>Por vezes, a m\u00e1quina n\u00e3o responde com uma diminui\u00e7\u00e3o dos n\u00edveis de vibra\u00e7\u00e3o quando equilibrada dinamicamente, ou apresenta valores desproporcionados em rela\u00e7\u00e3o \u00e0s causas que for\u00e7am a vibra\u00e7\u00e3o, sem que a pr\u00f3pria opera\u00e7\u00e3o permita retir\u00e1-la de tais condi\u00e7\u00f5es.<\/p>\n<p>A an\u00e1lise estrutural \u00e9 utilizada para:<\/p>\n<ul>\n<li>Simula e representa o movimento vibrat\u00f3rio da m\u00e1quina como um todo para localizar \u00e1reas de fraqueza estrutural, defeitos de montagem (desalinhamentos) e a magnitude aparente do problema em condi\u00e7\u00f5es normais de funcionamento.<\/li>\n<li>Determinar os modos de vibra\u00e7\u00e3o e os par\u00e2metros modais da m\u00e1quina ou estrutura como sistema mec\u00e2nico, criando um modelo anal\u00edtico optimizado com os dados experimentais obtidos a partir da excita\u00e7\u00e3o mec\u00e2nica (martelo modal, ou agitador eletrodin\u00e2mico) da m\u00e1quina fora de servi\u00e7o. Os modos de vibra\u00e7\u00e3o representam as condi\u00e7\u00f5es de funcionamento que conduzem a m\u00e1quina a uma situa\u00e7\u00e3o de trepida\u00e7\u00e3o vibrat\u00f3ria. <\/li>\n<li>Concebe solu\u00e7\u00f5es de reabilita\u00e7\u00e3o estrutural com base no modelo anal\u00edtico que garantem uma separa\u00e7\u00e3o entre as condi\u00e7\u00f5es de funcionamento e as condi\u00e7\u00f5es cr\u00edticas de resson\u00e2ncia dentro de margens de seguran\u00e7a. As propostas de reabilita\u00e7\u00e3o s\u00e3o calculadas pelo m\u00e9todo dos elementos finitos (FEM) e verificadas empiricamente ap\u00f3s a implementa\u00e7\u00e3o. <\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Servi\u00e7o de an\u00e1lise estrutural (ODS e Modal) com c\u00e1lculo de modifica\u00e7\u00f5es e verifica\u00e7\u00e3o de altera\u00e7\u00f5es na estrutura.<\/p>\n","protected":false},"featured_media":53350,"parent":53052,"menu_order":0,"template":"","categoria-servicio-precitec":[7623,7632],"class_list":["post-53349","servicios-preditec","type-servicios-preditec","status-publish","has-post-thumbnail","hentry","categoria-servicio-precitec-ficha-de-servico","categoria-servicio-precitec-analise-avancada"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ensaios ODS - Grupo \u00c1lava<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ensaios ODS - 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