


{"id":32669,"date":"2019-01-15T14:24:55","date_gmt":"2019-01-15T14:24:55","guid":{"rendered":"\/forum\/forums\/topic\/boundary-condition-vertex-scoping-and-node-scoping\/"},"modified":"2019-01-15T14:24:55","modified_gmt":"2019-01-15T14:24:55","slug":"boundary-condition-vertex-scoping-and-node-scoping","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/boundary-condition-vertex-scoping-and-node-scoping\/","title":{"rendered":"Boundary condition &#8220;vertex scoping and node scoping&#8221;"},"content":{"rendered":"<p>I&#8217;m trying to simulate rotating hollow shaft with several geometrical variations. At the two ends of the shaft I have added two cylinders which are used to give the boundary conditions.<\/p>\n<p><\/p>\n<p>In these two cylinders I have split the body so that there will be a vertex at the center of the cylinder. At the two end vertex I have given two &#8220;remote displacements&#8221; to define the boundary condition.&nbsp;<\/p>\n<p><\/p>\n<p>I have used two methods for scoping for the &#8220;remote displacement&#8221;.<\/p>\n<p><\/p>\n<p>1. center vertex.<\/p>\n<p><\/p>\n<p>2. center node.<\/p>\n<p><\/p>\n<p>Maximum stress is occurred&nbsp;in the shaft, between the two cylinders where there is some geometrical difference. For both two scoping methods the maximum stress is equivalent in magnitude and the position.<\/p>\n<p><\/p>\n<p>How ever when I check the stress at the two cylinders For both scoping method the magnitude and the location of the stress is very different. How can this be possible?<\/p>\n<p><\/p>\n<p>Even if we select vertex for scoping it should apply the constrain equation for the corresponding node right?<\/p>\n<p><\/p>\n<p>I have attached an image of the stress results for the two methods of scoping. (Left : Vertex scoping, Right: Node scoping)<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-32669","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["4841"],"_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":["1504"],"_bbp_subscription":["236185"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["32669"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","897","156936","160648"],"_bbp_voice_count":["4"],"_bbp_reply_count":["10"],"_bbp_last_reply_id":["75542"],"_bbp_last_active_id":["75542"],"_bbp_last_active_time":["2019-01-22 07:12:22"]},"test":"rashi"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/32669","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\/32669\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=32669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}