{"id":28672,"date":"2018-02-07T17:10:33","date_gmt":"2018-02-07T17:10:33","guid":{"rendered":"\/forum\/forums\/topic\/step-controls-in-transient-structural-analysis-sittings\/"},"modified":"2018-02-07T17:10:33","modified_gmt":"2018-02-07T17:10:33","slug":"step-controls-in-transient-structural-analysis-sittings","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/step-controls-in-transient-structural-analysis-sittings\/","title":{"rendered":"step controls in transient structural analysis sittings"},"content":{"rendered":"<p>Hi everyone!<\/p>\n<p><\/p>\n<p>I have some questions about the step controls in transient structural analysis sittings,<\/p>\n<p><\/p>\n<p>First, what is the difference between &#8220;time and substep&#8221; in the auto time stepping&nbsp;definition? and how this affect the solution of my&nbsp; model?<\/p>\n<p><\/p>\n<p>second, the transient load in my model is an acceleration time history produced from a passing train and measured by&nbsp;an accelorometer installed on the structure which take a reading every .002 seconds, so&nbsp;how good is the step controls that I used in the attached model?&nbsp;<\/p>\n<p><\/p>\n<p>*** The accelerometer that I&#8217;m taking about is ch(1) in the drawing pdf. The experiment was on&nbsp;a water structure (regulator), but the attached archive represent a 1 meter strip of the abutment.&nbsp;&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-28672","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["839"],"_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":["4299"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["28672"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","154861","167645","171641"],"_bbp_voice_count":["4"],"_bbp_reply_count":["24"],"_bbp_last_reply_id":["112554"],"_bbp_last_active_id":["112554"],"_bbp_last_active_time":["2020-04-25 23:22:38"]},"test":"rana-nasser"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/28672","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\/28672\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=28672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}