{"id":407499,"date":"2025-01-29T01:19:39","date_gmt":"2025-01-29T01:19:39","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/unrealistic-contact-behaviordeformation-in-modal\/"},"modified":"2025-01-29T01:19:39","modified_gmt":"2025-01-29T01:19:39","slug":"unrealistic-contact-behaviordeformation-in-modal","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/unrealistic-contact-behaviordeformation-in-modal\/","title":{"rendered":"Unrealistic Contact Behavior\/Deformation in Modal"},"content":{"rendered":"<p>&lt;p&gt;I&#8217;m having repeated issues running a prestressed modal analysis on a suspension rocker with dummy bolts and spacers.&lt;br&gt;&lt;br&gt;As you can see in my setup, I am applied a force to the middle spacer, which is mated to a bolt via a No Separation contact. This force is then reacted by the two other bolts, which are setup in the same way, however completely fixed in all 3 DoF.&lt;br&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/29-01-2025-1738113013-mceclip1.png\" width=\"453\" height=\"211\" \/>&lt;\/p&gt;&lt;p&gt;What concerns me is that I&#8217;m getting really weird deformation at the loaded bolt, as it seems as though the bolt-hole is not deforming with the bolt.&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/29-01-2025-1738112875-mceclip0.png\" width=\"685\" height=\"319\" \/><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/29-01-2025-1738113479-mceclip2.png\" width=\"550\" height=\"396\" \/>&lt;\/p&gt;&lt;p&gt;Any advice on how I should go about correcting this?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-407499","topic","type-topic","status-publish","hentry","topic-tag-Modal_Analysis-1","topic-tag-deformation","topic-tag-modal","topic-tag-static-structural"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27791"],"_bbp_topic_id":["407499"],"_bbp_subscription":["508355","276552","240"],"_bbp_author_ip":["130.127.61.89"],"_bbp_last_reply_id":["407509"],"_bbp_last_active_id":["407509"],"_bbp_last_active_time":["2025-01-29 03:35:14"],"_bbp_reply_count":["2"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["3"],"_bbp_engagement":["508355","276552","240"],"_btv_view_count":["315"],"_bbp_topic_status":["unanswered"]},"test":"pgaspicclemson-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/407499","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\/407499\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=407499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}