


{"id":396163,"date":"2024-12-03T20:18:42","date_gmt":"2024-12-03T20:18:42","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/workbench-msup-vs-full-transient-analysis-mismatch-in-accel\/"},"modified":"2024-12-03T20:18:42","modified_gmt":"2024-12-03T20:18:42","slug":"workbench-msup-vs-full-transient-analysis-mismatch-in-accel","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/workbench-msup-vs-full-transient-analysis-mismatch-in-accel\/","title":{"rendered":"Workbench &#8211; MSUP vs Full Transient Analysis &#8211; Mismatch in Accel."},"content":{"rendered":"<p>&lt;p&gt;&lt;span style=&#8221;color: #000000;&#8221;&gt;Hi everyone!&nbsp;&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;color: #000000;&#8221;&gt;I&rsquo;m currently working on a simulation in ANSYS Workbench, where I am comparing results from an Undamped Modal Superposition (MSUP) analysis to an Undamped Full Transient Analysis. The deformation results from both analyses match well, While the deformation results from both analyses match closely, I&rsquo;m encountering a significant difference in the magnitude of acceleration. The Full Transient Analysis yields acceleration values that are much higher in order of magnitude compared to the MSUP results, as shown below,&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;color: #000000;&#8221;&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/03-12-2024-1733256925-Comparison.jpg\" alt=\"\" \/>&lt;\/span&gt;&lt;br&gt;&lt;span style=&#8221;color: #000000;&#8221;&gt;Has anyone encountered a similar issue or could offer any insights on potential causes for this?&lt;br&gt;&lt;br&gt;I&rsquo;ve checked the setup of both analyses and the initial conditions, &amp; Theoretically, the acceleration should also match, but I am still unsure about what might be leading to this difference in magnitude.&nbsp;&lt;\/span&gt;&lt;br&gt;&lt;br&gt;&lt;span style=&#8221;color: #000000;&#8221;&gt;Any help or suggestions would be greatly appreciated!&lt;br&gt;&lt;\/span&gt;&lt;br&gt;&lt;span style=&#8221;color: #000000;&#8221;&gt;Thanks!&lt;\/span&gt;&lt;br&gt;&lt;span style=&#8221;color: #000000;&#8221;&gt;Kanishka&lt;\/span&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-396163","topic","type-topic","status-publish","hentry","topic-tag-ansys-workbench","topic-tag-transient"],"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\u2019m currently working on a simulation in ANSYS Workbench, where I am comparing results from an Undamped Modal Superposition (MSUP) analysis to an Undamped Full Transient Analysis. The deformation results from both analyses match well, While the deformation results from both analyses match closely, I\u2019m encountering a significant difference in\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/workbench-msup-vs-full-transient-analysis-mismatch-in-accel\/\" \/>\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=\"Workbench \u2013 MSUP vs Full Transient Analysis \u2013 Mismatch in Accel. | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi everyone! I\u2019m currently working on a simulation in ANSYS Workbench, where I am comparing results from an Undamped Modal Superposition (MSUP) analysis to an Undamped Full Transient Analysis. The deformation results from both analyses match well, While the deformation results from both analyses match closely, I\u2019m encountering a significant difference in\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/workbench-msup-vs-full-transient-analysis-mismatch-in-accel\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-12-03T20:18:42+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-12-03T20:18:42+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Workbench \u2013 MSUP vs Full Transient Analysis \u2013 Mismatch in Accel. | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi everyone! I\u2019m currently working on a simulation in ANSYS Workbench, where I am comparing results from an Undamped Modal Superposition (MSUP) analysis to an Undamped Full Transient Analysis. 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I\\u2019m currently working on a simulation in ANSYS Workbench, where I am comparing results from an Undamped Modal Superposition (MSUP) analysis to an Undamped Full Transient Analysis. 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I\u2019m currently working on a simulation in ANSYS Workbench, where I am comparing results from an Undamped Modal Superposition (MSUP) analysis to an Undamped Full Transient Analysis. 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I\u2019m currently working on a simulation in ANSYS Workbench, where I am comparing results from an Undamped Modal Superposition (MSUP) analysis to an Undamped Full Transient Analysis. The deformation results from both analyses match well, While the deformation results from both analyses match closely, I\u2019m encountering a significant difference in","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/workbench-msup-vs-full-transient-analysis-mismatch-in-accel\/","article:published_time":"2024-12-03T20:18:42+00:00","article:modified_time":"2024-12-03T20:18:42+00:00","twitter:card":"summary_large_image","twitter:title":"Workbench \u2013 MSUP vs Full Transient Analysis \u2013 Mismatch in Accel. | Ansys Learning Forum","twitter:description":"Hi everyone! I\u2019m currently working on a simulation in ANSYS Workbench, where I am comparing results from an Undamped Modal Superposition (MSUP) analysis to an Undamped Full Transient Analysis. The deformation results from both analyses match well, While the deformation results from both analyses match closely, I\u2019m encountering a significant difference in"},"aioseo_meta_data":{"post_id":"396163","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":"2025-10-19 09:52:48","updated":"2026-09-17 12:48:31","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\/transient\/\" title=\"transient\">transient<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tWorkbench \u2013 MSUP vs Full Transient Analysis \u2013 Mismatch in Accel.\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":"transient","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/transient\/"},{"label":"Workbench &#8211; MSUP vs Full Transient Analysis &#8211; Mismatch in Accel.","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/workbench-msup-vs-full-transient-analysis-mismatch-in-accel\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27791"],"_bbp_topic_id":["396163"],"_bbp_subscription":["302716","480261"],"_bbp_author_ip":["75.145.147.69"],"_bbp_reply_count":["4"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["302716","480261"],"_btv_view_count":["240"],"_bbp_topic_status":["unanswered"],"_bbp_last_reply_id":["396367"],"_bbp_last_active_id":["396367"],"_bbp_last_active_time":["2024-12-05 05:01:58"]},"test":"kkolha2uic-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/396163","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\/396163\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=396163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}