


{"id":40282,"date":"2020-01-21T05:23:38","date_gmt":"2020-01-21T05:23:38","guid":{"rendered":"\/forum\/forums\/topic\/free-vibration-of-sandwich-plate\/"},"modified":"2020-01-21T05:23:38","modified_gmt":"2020-01-21T05:23:38","slug":"free-vibration-of-sandwich-plate","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/free-vibration-of-sandwich-plate\/","title":{"rendered":"Free vibration of sandwich plate."},"content":{"rendered":"<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Good morning,<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">I am working on a sandwich plate of bonded two materials Nitinol+aluminum+Nitinol. I have set up a <strong>Share Topology<\/strong> and it behaves like one single part. I have set fixed support to the plate from one side. A downward displacement acting on the other side of the plate. Below are the two error messages and the warning message I receive when trying to solve it. Any help would be greatly appreciated, thank you.&nbsp;<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Solved with time integration 0.1 sec<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Face split on the side of a sandwich plate where is necessary to take results.<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Displacement is 5 mm for 1 sec. Duration of&nbsp;analysis 5 sec.<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Large deflections ON<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">In damped controls, damping value was set up to 0, but alpha=<strong>7.8<\/strong>&nbsp; and beta damping=<strong style=\"text-indent: 14.45pt; font-family: Arial, Helvetica, sans-serif; font-size: 14px;\">&nbsp;0.005128 values&nbsp;<\/strong>were inputted directly into material properties.<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">&nbsp;<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Additionally, question, if the damping factors were inputted in material properties and in transient analysis of damping controls was the damping value is zero, is solver will ignore material damping over damping control values in settings of analysis or in reverse? Due to, there is no function to turn off damping in transient analysis, as it in modal analysis.<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">ERROR: An internal solution magnitude limit was exceeded. Please check your Environment for inappropriate load values or insufficient supports.&nbsp; You may select the offending object and\/or geometry via RMB on this warning in the Message window.&nbsp; Please see the Troubleshooting section of the Help System for more information.<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-40282","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["12462"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["464"],"_bbp_subscription":["245444"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["40282"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","171097"],"_bbp_voice_count":["2"],"_bbp_reply_count":["16"],"_bbp_last_reply_id":["103274"],"_bbp_last_active_id":["103274"],"_bbp_last_active_time":["2020-01-23 13:28:39"]},"test":"nurs134"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/40282","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\/40282\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=40282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}