{"id":254629,"date":"2021-05-12T11:03:32","date_gmt":"2021-05-12T11:03:32","guid":{"rendered":"\/forum\/forums\/topic\/bolted-connection-with-spring-and-preload-in-aim\/"},"modified":"2021-05-12T11:03:32","modified_gmt":"2021-05-12T11:03:32","slug":"bolted-connection-with-spring-and-preload-in-aim","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bolted-connection-with-spring-and-preload-in-aim\/","title":{"rendered":"Bolted connection with spring and preload in AIM"},"content":{"rendered":"<p> Hello! <\/p>\n<p> In AIM 2020R1, I idealised&nbsp;a bolted connection with spring and set a load value for preload. How will be the preload applied during calculation? If I have a multistep analysis, will be the preload applied during 1st&nbsp;step and after that will it be locked for the remaining steps? Or will be the preload applied in Step &#8220;Zero&#8221; before the first step? Inside &#8220;Simulation Step Manager&#8221; I can&nbsp;only activate\/suppress\/lock&nbsp;&#8220;Structural Conditions&#8221; such as&nbsp;Support, Force and Bolt Pretension defined on&nbsp;Solid\/Line bodies and not on a Spring (which is a &#8220;Interface Condition&#8221;). <\/p>\n<p> AIM&#8217;s help mentions the following but this is unclear for me: &#8220;Springs are typically defined in a stress free or \u201cunloaded\u201d state. This means that no loading conditions exist unless preloading is specified for a 1-D spring, which creates an initial \u201cloaded\u201d<br \/> state.&#8221; <\/p>\n","protected":false},"template":"","class_list":["post-254629","topic","type-topic","status-closed","hentry","topic-tag-discovery-aim-2"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["29990"],"_bbp_likes_count":["0"],"_btv_view_count":["351"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["254629"],"_bbp_forum_id":["27789"],"_bbp_engagement":["202","29990"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["261609"],"_bbp_last_active_id":["261609"],"_bbp_last_active_time":["2021-07-13 06:25:57"]},"test":"thornyaksteelxpert-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/254629","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\/254629\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=254629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}