{"id":379384,"date":"2024-08-19T20:52:39","date_gmt":"2024-08-19T20:52:39","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/internal-stress-from-mechanical\/"},"modified":"2024-08-19T20:52:39","modified_gmt":"2024-08-19T20:52:39","slug":"internal-stress-from-mechanical","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/internal-stress-from-mechanical\/","title":{"rendered":"Internal Stress from Mechanical"},"content":{"rendered":"<p>When displaying stress results in Mechanical, it has been my understanding that the user is only seeing stress results from the outer skin of the model (i.e., internal stresses are ignored).&nbsp; And the Help documentation seems to agree when it says &#8220;exterior = displays the exterior results of selected geometry&#8221; (first image below).&nbsp; So seemingly, this should behave like APDL with PowerGraphics ON.&nbsp;&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/19-08-2024-1724099065-SCREEN SHOT 1.png\" alt=\"\"><\/p>\n<p>I built a test model to check (images below).&nbsp; It has an internal heat source to create an internal max stress.&nbsp; APDL definitely shows a drastic difference between PowerGraphics ON versus OFF.&nbsp; However, when scoped to bodies, Mechanical definitely does not ignore internal stresses and does behave like PowerGraphics OFF.&nbsp; Can anyone clarify if Mechanical is ignoring internal stress when reporting results?<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/19-08-2024-1724100621-SCREEN SHOT 2.png\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/19-08-2024-1724100636-SCREEN SHOT 3.png\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/19-08-2024-1724100647-SCREEN SHOT 4.png\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/19-08-2024-1724100658-SCREEN SHOT 5.png\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-379384","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=\"When displaying stress results in Mechanical, it has been my understanding that the user is only seeing stress results from the outer skin of the model (i.e., internal stresses are ignored). And the Help documentation seems to agree when it says &quot;exterior = displays the exterior results of selected geometry&quot; (first image below). So seemingly,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/internal-stress-from-mechanical\/\" \/>\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=\"Internal Stress from Mechanical | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"When displaying stress results in Mechanical, it has been my understanding that the user is only seeing stress results from the outer skin of the model (i.e., internal stresses are ignored). 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