{"id":380148,"date":"2024-08-24T17:45:12","date_gmt":"2024-08-24T17:45:12","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/"},"modified":"2024-08-24T17:45:12","modified_gmt":"2024-08-24T17:45:12","slug":"buckling-analysis-on-a-curved-panel-in-apdl","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/","title":{"rendered":"Buckling Analysis on a curved panel in APDL"},"content":{"rendered":"<p>&lt;p&gt;Hi&lt;\/p&gt;&lt;p&gt;I am doing buckling analysis on a curved panel whose schematic I have attached. I have been trying to do buckling analysis on this geometry for different cases but results dont seem to be matching with theoretical. Can someone please guide me whats wrong in my code? Lets consider this case&lt;\/p&gt;&lt;p&gt;a=b=50mm, Theta=180 degrees, E= 200MPa, t=0.5, poisson ratio=0.3. Thank you very much.&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/24-08-2024-1724521233-Screenshot 2024-08-24 224018.png\" alt=\"\" \/>&lt;\/p&gt;&lt;p&gt;\/CLEAR&nbsp; &nbsp; &nbsp;&nbsp;&lt;br&gt;\/PREP7 &nbsp;&lt;br&gt;smrt,off&lt;br&gt;ANTYPE,STATIC &nbsp;&lt;br&gt;ET,1,SHELL63,,&nbsp;&lt;br&gt;R,1,0.5 &nbsp;&lt;br&gt;MP,EX,1,200e9&nbsp;&lt;br&gt;MP,NUXY,1,0.3 &nbsp;&nbsp;&lt;br&gt;R1 = 31.38&lt;br&gt;L = 25&lt;br&gt;PI = 4*ATAN(1)&lt;br&gt;T=PI\/2&lt;br&gt;THETA =T*180\/PI&lt;br&gt;CSYS,1&nbsp;&lt;br&gt;K,2,R1,90,L&lt;br&gt;K,3,R1,(90-THETA),L&lt;br&gt;K,5,R1,90,-L&lt;br&gt;K,6,R1,(90+THETA),L&lt;br&gt;K,7,R1,(90-THETA),-L&lt;br&gt;K,8,R1,(90+THETA),-L&lt;br&gt;l,3,2 &nbsp;&nbsp;&lt;br&gt;l,2,6 &nbsp;&nbsp;&lt;br&gt;l,3,7 &nbsp;&nbsp;&lt;br&gt;l,7,5 &nbsp;&nbsp;&lt;br&gt;l,5,8 &nbsp;&nbsp;&lt;br&gt;l,6,8&lt;br&gt;lcomb,1,2&lt;br&gt;lcomb,4,5&lt;br&gt;al,1,3,4,6&lt;br&gt;LESIZE,ALL, , ,24, ,1, , ,1,&lt;br&gt;amesh,1&lt;br&gt;lsel,s,line,,3&lt;br&gt;lsel,A,line,,6&lt;br&gt;nsll,,1&lt;br&gt;D,ALL, , , , , ,UY, , , , ,&lt;br&gt;lsel,s,line,,4&lt;br&gt;nsll,,1&lt;br&gt;D,ALL,, , , , ,, , , , ,UZ&lt;br&gt;lsel,s,line,,4&lt;br&gt;local,11,1,0,0,0, &nbsp; &nbsp;&lt;br&gt;nsll,,1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&lt;br&gt;nrotate,all &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&lt;br&gt;D,ALL, uX, , , , ,, , , , , &nbsp; &nbsp;&lt;br&gt;lsel,s,line,,1&lt;br&gt;local,11,1,0,0,0, &nbsp; &nbsp;&lt;br&gt;nsll,,1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&lt;br&gt;nrotate,all &nbsp; &nbsp; &nbsp; &nbsp;&lt;br&gt;D,ALL,, , , , ,UX, , , , , &nbsp; &nbsp;&lt;br&gt;F,ALL,FZ,-1\/25&lt;br&gt;\/sol&lt;br&gt;PSTRES,1&lt;br&gt;solve&lt;br&gt;finish&lt;br&gt;\/sol&lt;br&gt;ANTYPE,1 &nbsp;&lt;br&gt;BUCOPT,LANB,2,0,0,CENTER&lt;br&gt;solve&lt;br&gt;finish&lt;br&gt;\/post1&lt;br&gt;set,list&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-380148","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"HiI am doing buckling analysis on a curved panel whose schematic I have attached. I have been trying to do buckling analysis on this geometry for different cases but results dont seem to be matching with theoretical. Can someone please guide me whats wrong in my code? Lets consider this casea=b=50mm, Theta=180 degrees, E= 200MPa,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/\" \/>\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=\"Buckling Analysis on a curved panel in APDL | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"HiI am doing buckling analysis on a curved panel whose schematic I have attached. I have been trying to do buckling analysis on this geometry for different cases but results dont seem to be matching with theoretical. Can someone please guide me whats wrong in my code? Lets consider this casea=b=50mm, Theta=180 degrees, E= 200MPa,\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/24-08-2024-1724521233-Screenshot%202024-08-24%20224018.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/24-08-2024-1724521233-Screenshot%202024-08-24%20224018.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-08-24T17:45:12+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-08-24T17:45:12+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Buckling Analysis on a curved panel in APDL | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"HiI am doing buckling analysis on a curved panel whose schematic I have attached. I have been trying to do buckling analysis on this geometry for different cases but results dont seem to be matching with theoretical. Can someone please guide me whats wrong in my code? Lets consider this casea=b=50mm, Theta=180 degrees, E= 200MPa,\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/24-08-2024-1724521233-Screenshot 2024-08-24 224018.png\" \/>\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\\\/buckling-analysis-on-a-curved-panel-in-apdl\\\/#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\\\/buckling-analysis-on-a-curved-panel-in-apdl\\\/#listItem\",\"name\":\"Buckling Analysis on a curved panel in APDL\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/buckling-analysis-on-a-curved-panel-in-apdl\\\/#listItem\",\"position\":3,\"name\":\"Buckling Analysis on a curved panel in APDL\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@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\\\/buckling-analysis-on-a-curved-panel-in-apdl\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/buckling-analysis-on-a-curved-panel-in-apdl\\\/\",\"name\":\"Buckling Analysis on a curved panel in APDL | Ansys Learning Forum\",\"description\":\"HiI am doing buckling analysis on a curved panel whose schematic I have attached. I have been trying to do buckling analysis on this geometry for different cases but results dont seem to be matching with theoretical. Can someone please guide me whats wrong in my code? Lets consider this casea=b=50mm, Theta=180 degrees, E= 200MPa,\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/buckling-analysis-on-a-curved-panel-in-apdl\\\/#breadcrumblist\"},\"datePublished\":\"2024-08-24T17:45:12+00:00\",\"dateModified\":\"2024-08-24T17:45:12+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":"Buckling Analysis on a curved panel in APDL | Ansys Learning Forum","description":"HiI am doing buckling analysis on a curved panel whose schematic I have attached. I have been trying to do buckling analysis on this geometry for different cases but results dont seem to be matching with theoretical. Can someone please guide me whats wrong in my code? Lets consider this casea=b=50mm, Theta=180 degrees, E= 200MPa,","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/#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\/buckling-analysis-on-a-curved-panel-in-apdl\/#listItem","name":"Buckling Analysis on a curved panel in APDL"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/#listItem","position":3,"name":"Buckling Analysis on a curved panel in APDL","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}}]},{"@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\/buckling-analysis-on-a-curved-panel-in-apdl\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/","name":"Buckling Analysis on a curved panel in APDL | Ansys Learning Forum","description":"HiI am doing buckling analysis on a curved panel whose schematic I have attached. I have been trying to do buckling analysis on this geometry for different cases but results dont seem to be matching with theoretical. Can someone please guide me whats wrong in my code? Lets consider this casea=b=50mm, Theta=180 degrees, E= 200MPa,","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/#breadcrumblist"},"datePublished":"2024-08-24T17:45:12+00:00","dateModified":"2024-08-24T17:45:12+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"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Buckling Analysis on a curved panel in APDL | Ansys Learning Forum","og:description":"HiI am doing buckling analysis on a curved panel whose schematic I have attached. I have been trying to do buckling analysis on this geometry for different cases but results dont seem to be matching with theoretical. Can someone please guide me whats wrong in my code? Lets consider this casea=b=50mm, Theta=180 degrees, E= 200MPa,","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/24-08-2024-1724521233-Screenshot%202024-08-24%20224018.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/24-08-2024-1724521233-Screenshot%202024-08-24%20224018.png","article:published_time":"2024-08-24T17:45:12+00:00","article:modified_time":"2024-08-24T17:45:12+00:00","twitter:card":"summary_large_image","twitter:title":"Buckling Analysis on a curved panel in APDL | Ansys Learning Forum","twitter:description":"HiI am doing buckling analysis on a curved panel whose schematic I have attached. I have been trying to do buckling analysis on this geometry for different cases but results dont seem to be matching with theoretical. Can someone please guide me whats wrong in my code? Lets consider this casea=b=50mm, Theta=180 degrees, E= 200MPa,","twitter:image":"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/24-08-2024-1724521233-Screenshot 2024-08-24 224018.png"},"aioseo_meta_data":{"post_id":"380148","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":"content","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":true,"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":"2024-10-28 16:31:35","updated":"2026-09-16 21:59:34","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\tBuckling Analysis on a curved panel in APDL\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":"Buckling Analysis on a curved panel in APDL","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-analysis-on-a-curved-panel-in-apdl\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["440807","13927"],"_bbp_author_ip":["121.52.145.236"],"_btv_view_count":["200"],"_bbp_topic_status":["unanswered"],"_bbp_notification_enabled":["440807"],"_bbp_likes_count":["1"],"_bbp_topic_id":["380148"],"_bbp_forum_id":["27791"],"_bbp_engagement":["13927","440807"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["380318"],"_bbp_last_active_id":["380318"],"_bbp_last_active_time":["2024-08-25 12:11:33"]},"test":"www-chanees777gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/380148","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\/380148\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=380148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}