{"id":36871,"date":"2019-07-31T08:59:37","date_gmt":"2019-07-31T08:59:37","guid":{"rendered":"\/forum\/forums\/topic\/contact-reaction-force\/"},"modified":"2019-07-31T08:59:37","modified_gmt":"2019-07-31T08:59:37","slug":"contact-reaction-force","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/contact-reaction-force\/","title":{"rendered":"Contact Reaction Force"},"content":{"rendered":"<p><strong>Hello Everyone,<\/strong><\/p>\n<p><\/p>\n<p>For my simulation, to apply force a load applicator that are in contact with the main structure is considered. This load applicator is assumed as a rigid body and a 250-N force is applied in the z axis of local coordinate system.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d2105cd9-d9ac-4d64-959e-aa7a00a02f47\/429b4de5-492d-41d5-8fac-aa9b0092ee29_bild1.jpg?width=690&amp;upscale=false\" alt=\"Load and Boundary Conditions\"><\/p>\n<p><\/p>\n<p>When I calculate contact reaction force for the contact areas defined between structure parts and load applicator in the z axis of the local coordinate system, there are two concerning points as follows:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d2105cd9-d9ac-4d64-959e-aa7a00a02f47\/0f03ad50-86eb-4483-9a36-aa9b0093743f_bild4.jpg?width=690&amp;upscale=false\" alt=\"An example of Calculated Contact Reaction Force\"><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>1- If I select Contact (Underlying Element) as Extraction option for reaction force, it can not be calculated and when Contact (Contact Element) option is selected contact reaction force can be reported . Could some one tell me why for contact (Contact Element) option reaction force can not be calculated?<\/p>\n<p><\/p>\n<p>2- If I sum up axial reaction forces of parts that has contact with the load applicator, the resultant force is 252 N instead of 250 . Could someone explain me why resultant contact forces for pars that are in contact with load applicators is higher than external force?<\/p>\n<p><\/p>\n<p>I am grateful for illuminating answers in-advance.<\/p>\n<p><\/p>\n<p>Best regards, Shabnam Samsami<\/p>\n","protected":false},"template":"","class_list":["post-36871","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["9046"],"_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"],"_btv_view_count":["3160"],"_bbp_subscription":["241047"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["36871"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","166380"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["91052"],"_bbp_last_active_id":["91052"],"_bbp_last_active_time":["2019-08-01 14:23:09"]},"test":"royalflowers"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/36871","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\/36871\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=36871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}