{"id":459480,"date":"2026-06-08T13:46:25","date_gmt":"2026-06-08T13:46:25","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bonded-contact-doesnt-hold\/"},"modified":"2026-06-08T13:46:25","modified_gmt":"2026-06-08T13:46:25","slug":"bonded-contact-doesnt-hold","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bonded-contact-doesnt-hold\/","title":{"rendered":"Bonded contact doesn&#8217;t hold."},"content":{"rendered":"<p>&lt;p&gt;Hi everyone, I&#8217;m striking a rigid wall. LS-Dyna Workbench.&lt;br&gt;The impact is on the bolts. The bolt and nut have bonded contact. But when the impact occurs, the bolt slips through the nut.&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/06\/08-06-2026-1780926343-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;I&#8217;m also getting penetration messages:&lt;\/p&gt;&lt;div id=&#8221;paraDiv&#8221; class=&#8221;text-color-primary&#8221; style=&#8221;display: inline;&#8221;&gt;&lt;p id=&#8221;paragraphData&#8221; class=&#8221;paragraphText text-color-primary&#8221; style=&#8221;font-size: 12px; display: inline;&#8221;&gt;23098 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 763&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp; 57 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 646&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp; 70 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 649&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp; 78 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 652&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp; 32 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 655&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 62 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 847&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp; 27 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 658&lt;br&gt;&nbsp;&nbsp; 14564 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 712&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 60 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 850&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 50 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 865&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 60 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 880&lt;br&gt;&nbsp;&nbsp; 11442 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 730&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 60 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 841&lt;br&gt;&nbsp;&nbsp; 14557 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 718&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 60 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 844&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 48 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 859&lt;br&gt;&nbsp;&nbsp; 14514 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 724&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 48 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 862&lt;br&gt;&nbsp;&nbsp; 14504 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 706&lt;br&gt;&nbsp;&nbsp;&nbsp; 122 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 673&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp; 741 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 823&lt;br&gt;&nbsp;&nbsp;&nbsp; 107 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 676&lt;br&gt;&nbsp;&nbsp;&nbsp;&nbsp; 551 initial penetrations were found for interface&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 838&lt;\/p&gt;&lt;\/div&gt;&lt;p&gt;Help please.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-459480","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27814"],"_bbp_topic_id":["459480"],"_bbp_subscription":["257647","13937"],"_bbp_author_ip":["5.255.120.238"],"_bbp_last_reply_id":["459558"],"_bbp_last_active_id":["459558"],"_bbp_last_active_time":["2026-06-10 09:00:59"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["257647","13937"],"_btv_view_count":["104"],"_bbp_topic_status":["unanswered"]},"test":"javat33489gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/459480","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\/459480\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=459480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}