{"id":460565,"date":"2026-06-30T14:23:18","date_gmt":"2026-06-30T14:23:18","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/the-internal-forces-for-an-element-in-a-local-coordinate-system\/"},"modified":"2026-07-02T00:29:10","modified_gmt":"2026-07-02T00:29:10","slug":"the-internal-forces-for-an-element-in-a-local-coordinate-system","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/the-internal-forces-for-an-element-in-a-local-coordinate-system\/","title":{"rendered":"the force\/moment summations of a Cross Sectionin the local coordinate system"},"content":{"rendered":"<p>&lt;p&gt;I want to calculate the force\/moment summations of all elements on a specific cross-section in the local coordinate system.I am thinking of first defining the points at which to sum the moments in the global coordinate system, then switching the resultant coordinate system to the local coordinate system, and finally calculating the resultant force. Would this approach work? csys, 0 spoint,,x,y,z rsys, local coordinates fsum, rsys&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-460565","topic","type-topic","status-publish","hentry","topic-tag-apdl"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27791"],"_bbp_topic_id":["460565"],"_bbp_subscription":["482758","20905"],"_bbp_author_ip":["2001:da8:1002:6001:da43:aeff:fe5b:142a"],"_bbp_last_reply_id":["460685"],"_bbp_last_active_id":["460685"],"_bbp_last_active_time":["2026-07-02 20:41:39"],"_bbp_reply_count":["8"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["482758","20905"],"_btv_view_count":["28"],"_bbp_topic_status":["unanswered"],"_edit_last":["482758"],"_bbp_revision_log":["a:1:{i:460624;a:2:{s:6:\"author\";i:482758;s:6:\"reason\";s:168:\"I want to calculate the force\/moment summations of all elements on the cross-section in the local coordinate system, rather than the internal forces in a single element\";}}"]},"test":"2020221038chd-edu-cn"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/460565","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/460565\/revisions"}],"predecessor-version":[{"id":460624,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/460565\/revisions\/460624"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=460565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}