{"id":42026,"date":"2020-03-23T09:32:26","date_gmt":"2020-03-23T09:32:26","guid":{"rendered":"\/forum\/forums\/topic\/cohesive-zone-model-2\/"},"modified":"2020-03-23T09:32:26","modified_gmt":"2020-03-23T09:32:26","slug":"cohesive-zone-model-2","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/cohesive-zone-model-2\/","title":{"rendered":"Cohesive Zone Model"},"content":{"rendered":"<p>Hello everyone,<\/p>\n<p><\/p>\n<p>I have a Experiment that i want to simulate in Ansys. Under you can see the Force- Sliding Grapf of Experiment.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/dea25e87-ebda-47b5-8b6b-ab620119a93b\/3188f433-13eb-4e3a-a386-ab87009a8a4c_zz?.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>I took the Fmax and divided by the area so i calculated the maximum Stress. &#8212;&gt;&nbsp; &nbsp;262,83\/(0,9*31)= 9,42 MPa this is my max tangential Stress. I took from the Grapf also the tangential slip 1,76mm.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Cohesive Zone Model with Contact Debonding Mode 2<\/strong><\/span><\/p>\n<p><\/p>\n<p>Inputs:<\/p>\n<p><\/p>\n<p>Maximum equivalent tangential contact stress= 9,42 MPa<\/p>\n<p><\/p>\n<p>Tangential slip at the completion of debonding= 1,76 mm<\/p>\n<p><\/p>\n<p>Artificial damping coefficient= 0,1 s<\/p>\n<p><\/p>\n<p>&nbsp;I calculated the tangential stiffness with F\/(A*x) and change the K stiffness with this value. K=5,36 N\/mm^3<img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/dea25e87-ebda-47b5-8b6b-ab620119a93b\/2c9c7559-0b70-4815-972c-ab870097432b_ekran-al?nt?s?.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>The picture above ist the Force-Sliding Distance Grapf as a Result. As you can see at the 1,76mm Sliding Distance i become the maximum Force with a bit error but actual problem is after damage i cant make the stiffness zero. So i cant do a line&nbsp; to Zero Force like the Experimental Data.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Can anyone please help me.<\/p>\n<p><\/p>\n<p>Best Regards<\/p>\n<p><\/p>\n<p>Katala<\/p>\n","protected":false},"template":"","class_list":["post-42026","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["14206"],"_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"],"_btv_view_count":["1588"],"_bbp_subscription":["247562"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["42026"],"_bbp_forum_id":["27791"],"_bbp_engagement":["158970","173303"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["108694"],"_bbp_last_active_id":["108694"],"_bbp_last_active_time":["2020-03-23 12:00:17"]},"test":"katala"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/42026","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\/42026\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=42026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}