{"id":30067,"date":"2018-08-15T14:49:40","date_gmt":"2018-08-15T14:49:40","guid":{"rendered":"\/forum\/forums\/topic\/problem-with-bolt-pretension\/"},"modified":"2018-08-15T14:49:40","modified_gmt":"2018-08-15T14:49:40","slug":"problem-with-bolt-pretension","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/problem-with-bolt-pretension\/","title":{"rendered":"Problem with bolt pretension"},"content":{"rendered":"<p>Dear all,<\/p>\n<p><\/p>\n<p>I have a support structure upon which there is a steel plate. This plate is connected to another plate. Between these two plates,&nbsp; i have used beam connection from body-body connection and there is frictional contact between the two plates.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/f194d4ac-70b9-4984-922f-a8ef0091eccf\/75ec7146-887e-4926-8e29-a93d00f381b8_intial-geo.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>I am applying the bolt pretension on these beam connections.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/f194d4ac-70b9-4984-922f-a8ef0091eccf\/8c4ab966-f289-4047-b6bd-a93d00f3a466_bolt-pretension.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>I am expecting that the bolt pretension force will act in compression but when i run the simulation, bolt pretension is acting in the opposite direction. The below screen shot shows the deformation after 2 sub steps but it is clearly seen that the two plates are separated because of the bolt pretension.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/f194d4ac-70b9-4984-922f-a8ef0091eccf\/f7800c52-c30d-4eab-a499-a93d00f3c289_tension.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>Can anybody help me here? I don&#8217;t know what i am doing wrong here.<\/p>\n","protected":false},"template":"","class_list":["post-30067","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["2236"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0","0","0","0","0"],"_btv_view_count":["6050"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["30067"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","897","157158","158337"],"_bbp_voice_count":["4"],"_bbp_reply_count":["21"],"_bbp_last_reply_id":["63032"],"_bbp_last_active_id":["63032"],"_bbp_last_active_time":["2018-08-28 21:17:43"]},"test":"sh-ga"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/30067","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\/30067\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=30067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}