{"id":395247,"date":"2024-11-25T22:29:38","date_gmt":"2024-11-25T22:29:38","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bolt-pretension-setup\/"},"modified":"2024-11-26T00:07:22","modified_gmt":"2024-11-26T00:07:22","slug":"bolt-pretension-setup","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bolt-pretension-setup\/","title":{"rendered":"Bolt pretension setup validation"},"content":{"rendered":"<p>&lt;p&gt;&lt;p&gt;&lt;p&gt;Hi all, I&#8217;m new to Ansys and working on a model involving an unconventional bolting setup:&lt;\/p&gt;&lt;p style=&#8221;text-align: center;&#8221;&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/25-11-2024-1732573456-bolt geometry example.png\" alt=\"\" \/>&lt;\/p&gt;&lt;p style=&#8221;text-align: left;&#8221;&gt;Right now, I have a frictional contact between the bolt head and gusset, bonded contact between the bolt shaft and nut, and frictional contact between the nut and the beam. All frictional contacts have a coefficient of 0.2&lt;\/p&gt;&lt;p style=&#8221;text-align: left;&#8221;&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/25-11-2024-1732573674-bolt geometry example 2.png\" alt=\"\" \/>I also have a frictionless contact between the bolt shaft and these highlighted walls on the gusset and beam below, because those are basically the &#8220;bolt hole&#8221; in this case. I&#8217;m also applying bolt pretension to each bolt of 200N.&lt;\/p&gt;&lt;p style=&#8221;text-align: left;&#8221;&gt;Would you recommend any changes to this setup, or should this work? I&#8217;m having convergence issues with my model and was wondering whether part of this bolt setup could be the issue.&lt;\/p&gt;&lt;\/p&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395247","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["128.195.77.134"],"_btv_view_count":["293"],"_bbp_topic_status":["unanswered"],"_edit_last":["443713"],"_bbp_revision_log":["a:2:{i:395249;a:2:{s:6:\"author\";i:443713;s:6:\"reason\";s:0:\"\";}i:395257;a:2:{s:6:\"author\";i:443713;s:6:\"reason\";s:0:\"\";}}"],"_bbp_notification_enabled":["443713"],"_bbp_subscription":["443713","3937"],"_bbp_topic_id":["395247"],"_bbp_forum_id":["27791"],"_bbp_engagement":["3937","443713"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["395459"],"_bbp_last_active_id":["395459"],"_bbp_last_active_time":["2024-11-27 02:14:35"]},"test":"lis29uci-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395247","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":2,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395247\/revisions"}],"predecessor-version":[{"id":395257,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395247\/revisions\/395257"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=395247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}