{"id":453478,"date":"2026-02-28T11:35:48","date_gmt":"2026-02-28T11:35:48","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/"},"modified":"2026-02-28T11:35:48","modified_gmt":"2026-02-28T11:35:48","slug":"innovation-course-stress-analysis-in-solid-mechanics","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/","title":{"rendered":"Innovation Course Stress Analysis in Solid Mechanics"},"content":{"rendered":"<p>&lt;p&gt;Hi everyone, I am practising implementing the composite overwrapped pressure vessel example in the above listed course. My simulation model however does not seem to run and gives the following error:<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/02\/28-02-2026-1772278092-Screenshot 2026-02-28 122749.png\" alt=\"\" \/>&lt;br&gt;I could imagine this is due to how I have implemented the ply layers, but am not 100% sure as I followed everything else identical. Once creating the fabrics and and activating the orientation I get the following:&lt;br&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/02\/28-02-2026-1772278229-Screenshot 2026-02-28 123007.png\" alt=\"\" \/>.&lt;\/p&gt;&lt;p&gt;I applied 5 ply layers using the orientation described in the video file:&nbsp;&lt;br&gt;1. Aluminium&nbsp;&lt;\/p&gt;&lt;p&gt;2. Carbon epoxy (-45)&lt;\/p&gt;&lt;p&gt;3.Carbon epoxy (45)&lt;\/p&gt;&lt;p&gt;4.Carbon epoxy (-45)&lt;\/p&gt;&lt;p&gt;5. Carbon epoxy (45)&lt;\/p&gt;&lt;p&gt;The order follows from my understanding that the first layer should be aluminium as per the task description (and because the orientation points outward) and then the respective carbon epoxy layers.&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/02\/28-02-2026-1772278417-Screenshot 2026-02-28 123325.png\" alt=\"\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Any help or assistance on understanding where I could have gone wrong would be greatly appreciated.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-453478","topic","type-topic","status-publish","hentry","topic-tag-acp-compositematerials-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi everyone, I am practising implementing the composite overwrapped pressure vessel example in the above listed course. My simulation model however does not seem to run and gives the following error:I could imagine this is due to how I have implemented the ply layers, but am not 100% sure as I followed everything else identical.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/\" \/>\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 Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Innovation Course Stress Analysis in Solid Mechanics | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi everyone, I am practising implementing the composite overwrapped pressure vessel example in the above listed course. My simulation model however does not seem to run and gives the following error:I could imagine this is due to how I have implemented the ply layers, but am not 100% sure as I followed everything else identical.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-02-28T11:35:48+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-02-28T11:35:48+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Innovation Course Stress Analysis in Solid Mechanics | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi everyone, I am practising implementing the composite overwrapped pressure vessel example in the above listed course. My simulation model however does not seem to run and gives the following error:I could imagine this is due to how I have implemented the ply layers, but am not 100% sure as I followed everything else identical.\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/innovation-course-stress-analysis-in-solid-mechanics\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#acp-#compositematerials-1\\\/#listItem\",\"name\":\"#acp-#compositematerials\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#acp-#compositematerials-1\\\/#listItem\",\"position\":3,\"name\":\"#acp-#compositematerials\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#acp-#compositematerials-1\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/innovation-course-stress-analysis-in-solid-mechanics\\\/#listItem\",\"name\":\"Innovation Course Stress Analysis in Solid Mechanics\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/innovation-course-stress-analysis-in-solid-mechanics\\\/#listItem\",\"position\":4,\"name\":\"Innovation Course Stress Analysis in Solid Mechanics\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#acp-#compositematerials-1\\\/#listItem\",\"name\":\"#acp-#compositematerials\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/innovation-course-stress-analysis-in-solid-mechanics\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/innovation-course-stress-analysis-in-solid-mechanics\\\/\",\"name\":\"Innovation Course Stress Analysis in Solid Mechanics | Ansys Learning Forum\",\"description\":\"Hi everyone, I am practising implementing the composite overwrapped pressure vessel example in the above listed course. My simulation model however does not seem to run and gives the following error:I could imagine this is due to how I have implemented the ply layers, but am not 100% sure as I followed everything else identical.\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/innovation-course-stress-analysis-in-solid-mechanics\\\/#breadcrumblist\"},\"datePublished\":\"2026-02-28T11:35:48+00:00\",\"dateModified\":\"2026-02-28T11:35:48+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Innovation Course Stress Analysis in Solid Mechanics | Ansys Learning Forum","description":"Hi everyone, I am practising implementing the composite overwrapped pressure vessel example in the above listed course. My simulation model however does not seem to run and gives the following error:I could imagine this is due to how I have implemented the ply layers, but am not 100% sure as I followed everything else identical.","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/forum\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/#acp-#compositematerials-1\/#listItem","name":"#acp-#compositematerials"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/#acp-#compositematerials-1\/#listItem","position":3,"name":"#acp-#compositematerials","item":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/#acp-#compositematerials-1\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/#listItem","name":"Innovation Course Stress Analysis in Solid Mechanics"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/#listItem","position":4,"name":"Innovation Course Stress Analysis in Solid Mechanics","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/#acp-#compositematerials-1\/#listItem","name":"#acp-#compositematerials"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/","name":"Innovation Course Stress Analysis in Solid Mechanics | Ansys Learning Forum","description":"Hi everyone, I am practising implementing the composite overwrapped pressure vessel example in the above listed course. 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My simulation model however does not seem to run and gives the following error:I could imagine this is due to how I have implemented the ply layers, but am not 100% sure as I followed everything else identical.","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/","article:published_time":"2026-02-28T11:35:48+00:00","article:modified_time":"2026-02-28T11:35:48+00:00","twitter:card":"summary_large_image","twitter:title":"Innovation Course Stress Analysis in Solid Mechanics | Ansys Learning Forum","twitter:description":"Hi everyone, I am practising implementing the composite overwrapped pressure vessel example in the above listed course. My simulation model however does not seem to run and gives the following error:I could imagine this is due to how I have implemented the ply layers, but am not 100% sure as I followed everything else identical."},"aioseo_meta_data":{"post_id":"453478","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2026-02-28 11:45:20","updated":"2026-02-28 11:45:20","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/#acp-#compositematerials-1\/\" title=\"#acp-#compositematerials\">#acp-#compositematerials<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tInnovation Course Stress Analysis in Solid Mechanics\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"#acp-#compositematerials","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/#acp-#compositematerials-1\/"},{"label":"Innovation Course Stress Analysis in Solid Mechanics","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/innovation-course-stress-analysis-in-solid-mechanics\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27825"],"_bbp_topic_id":["453478"],"_bbp_subscription":["489155","88"],"_bbp_author_ip":["2a02:8071:5160:8400:afe9:ab3b:5e2f:8bab"],"_bbp_last_reply_id":["458144"],"_bbp_last_active_id":["458144"],"_bbp_last_active_time":["2026-05-14 11:45:23"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["489155","88"],"_btv_view_count":["486"],"_bbp_topic_status":["unanswered"]},"test":"mohammed-camestudy-hs-duesseldorf-de"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/453478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/453478\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=453478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}