{"id":166957,"date":"2023-04-05T14:32:32","date_gmt":"2023-04-05T14:32:32","guid":{"rendered":"\/knowledge\/forums\/topic\/applying-tensile-displacement-on-a-composite-shell-built-in-acp-leads-to-out-of-plane-displacement-why-is-that\/"},"modified":"2023-07-31T12:32:16","modified_gmt":"2023-07-31T12:32:16","slug":"applying-tensile-displacement-on-a-composite-shell-built-in-acp-leads-to-out-of-plane-displacement-why-is-that","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/applying-tensile-displacement-on-a-composite-shell-built-in-acp-leads-to-out-of-plane-displacement-why-is-that\/","title":{"rendered":"Applying tensile displacement on a composite shell built in ACP leads to out-of-plane displacement, why is that ?"},"content":{"rendered":"<p>If only one oriented selection set is defined, then the plies are piled up on the middle surface in one direction only (upwards or downwards). This creates an offset on the resulting shell, and applying a displacement on its edge will show coupling between tension and flexion. This can be resolved by using the &#8220;middle offset&#8221; option inside the element sets definition, or by using two oriented selection sets to pile up the plies in both normal directions so as to obtain a laminate that is symmetric towards the middle surface plane.<\/p>\n","protected":false},"template":"","class_list":["post-166957","topic","type-topic","status-publish","hentry","topic-tag-ansys-composite-preppost","topic-tag-general","topic-tag-structural-mechanics"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"If only one oriented selection set is defined, then the plies are piled up on the middle surface in one direction only (upwards or downwards). This creates an offset on the resulting shell, and applying a displacement on its edge will show coupling between tension and flexion. This can be resolved by using the &quot;middle\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/applying-tensile-displacement-on-a-composite-shell-built-in-acp-leads-to-out-of-plane-displacement-why-is-that\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Applying tensile displacement on a composite shell built in ACP leads to out-of-plane displacement, why is that ? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"If only one oriented selection set is defined, then the plies are piled up on the middle surface in one direction only (upwards or downwards). 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This can be resolved by using the &quot;middle\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/applying-tensile-displacement-on-a-composite-shell-built-in-acp-leads-to-out-of-plane-displacement-why-is-that\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-04-05T14:32:32+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:32:16+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Applying tensile displacement on a composite shell built in ACP leads to out-of-plane displacement, why is that ? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"If only one oriented selection set is defined, then the plies are piled up on the middle surface in one direction only (upwards or downwards). This creates an offset on the resulting shell, and applying a displacement on its edge will show coupling between tension and flexion. 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