{"id":365994,"date":"2024-05-08T04:22:33","date_gmt":"2024-05-08T04:22:33","guid":{"rendered":"\/forum\/forums\/topic\/transient-structural-running-for-long-time-analysis-settings-concerns\/"},"modified":"2024-05-08T04:22:33","modified_gmt":"2024-05-08T04:22:33","slug":"transient-structural-running-for-long-time-analysis-settings-concerns","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/transient-structural-running-for-long-time-analysis-settings-concerns\/","title":{"rendered":"Transient structural running for long time, analysis settings concerns"},"content":{"rendered":"<p>Hello, I am modeling a flat belt drive system. The idea is to stretch a belt around two pulleys using a displacement joint load, and then to rotationally accelerate the fixed pulley to drive the belt. I am getting the following errors in my transient structural analysis.<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/08-05-2024-1715140852-Errors.png\" alt=\"\"><\/p>\n<p>This is after cancelling a solution that was running for too long^<\/p>\n<p>Note: In the simulation, there is a moment that is applied to the mobile pulley at the exact instant that the fixed pulley begins to accelerate. This is so the pulley has something to rotate against and to create tension in the belt.<\/p>\n<p>The following are the analysis settings used:<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/08-05-2024-1715141377-AnalysisSettings.png\" alt=\"\"><\/p>\n<p>And the load settings:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/08-05-2024-1715141594-BigPulleyDisp.png\" alt=\"\" width=\"1147\" height=\"241\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/08-05-2024-1715141639-MomentSettings.png\" alt=\"\" width=\"1149\" height=\"221\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/08-05-2024-1715141678-RotAccel.png\" alt=\"\" width=\"1151\" height=\"228\"><\/p>\n<p>The following is an image from a simulation that successfully displaced the pulley 60 mm to the right and stretched the belt accordingly. Distances after this seem to be troublesome for convergence (belt is seen passing through big pulley, which obviously cannot happen)<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/08-05-2024-1715142097-StretchedPulley.png\" alt=\"\"><\/p>\n<p>Any help or advice is much appreciated. Thanks!<\/p>\n","protected":false},"template":"","class_list":["post-365994","topic","type-topic","status-closed","hentry","topic-tag-mechanicalworkbench-1","topic-tag-transient-structural"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["111618","200"],"_bbp_author_ip":["23.192.127.5"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["268"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["365994"],"_bbp_forum_id":["27791"],"_bbp_engagement":["200","111618"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["366170"],"_bbp_last_active_id":["366170"],"_bbp_last_active_time":["2024-05-08 19:00:51"]},"test":"gmstidham1gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/365994","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\/365994\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=365994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}