{"id":315330,"date":"2023-11-07T23:44:22","date_gmt":"2023-11-07T23:44:22","guid":{"rendered":"\/forum\/forums\/topic\/implicit-simulation-after-dynamic-relaxation\/"},"modified":"2023-11-07T23:44:22","modified_gmt":"2023-11-07T23:44:22","slug":"implicit-simulation-after-dynamic-relaxation","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/implicit-simulation-after-dynamic-relaxation\/","title":{"rendered":"Implicit Simulation after Dynamic Relaxation?"},"content":{"rendered":"<p>I have an assembly that has a number of bolts in it that pretension to their preloaded state via an initial Dynamic Relaxtion phase.<\/p>\n<p>I can then solve the subsequent analysis (quasi-static) explicitly with no issue.<\/p>\n<p>I am interested however in performing this analysis with the implicit solver as a true static analysis however after the DR phase ends and imlicit starts (after i&#8217;ve modified deck to start implicitly) the job just errors out.<\/p>\n<p>In general then, should it be possible to run a static implicit job from a preloaded state from DR phase?<\/p>\n<p>I know implicit will not run with any free body rigid body modes but wouldn&#8217;t my bolts be sufficiently restrained and have no rigid body modes?<\/p>\n<p>How do i deal with true fasteners for implicit jobs, or is this not possible and i have to linearize with CNRB&#8217;s etc?<\/p>\n<p>Thanks.<\/p>\n","protected":false},"template":"","class_list":["post-315330","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["297560","3136"],"_bbp_author_ip":["23.52.43.81"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["824"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["315330"],"_bbp_forum_id":["27814"],"_bbp_engagement":["3136","297560"],"_bbp_voice_count":["2"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["317449"],"_bbp_last_active_id":["317449"],"_bbp_last_active_time":["2023-11-13 15:17:34"]},"test":"richard-smiththalesgroup-com-au"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/315330","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\/315330\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=315330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}