{"id":40498,"date":"2020-01-29T18:14:23","date_gmt":"2020-01-29T18:14:23","guid":{"rendered":"\/forum\/forums\/topic\/how-to-get-contact-pressure\/"},"modified":"2020-01-29T18:14:23","modified_gmt":"2020-01-29T18:14:23","slug":"how-to-get-contact-pressure","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-get-contact-pressure\/","title":{"rendered":"How to get contact pressure"},"content":{"rendered":"<p><span class=\"tlid-translation translation\" lang=\"en\"><span title=\"\">Hello Ansys Community!!!<\/span> <\/span> &nbsp; <span class=\"tlid-translation translation\" lang=\"en\"><span title=\"\">A month ago I got help on how to print a ring in a cylinder without a force in the last step.<\/span> <span title=\"\">I used a frictionless contact and applied a load moment to the transverse surfaces of the ring.<\/span> <span title=\"\">Everything had worked great as you can see on the third picture.<\/span><\/span><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp; <span class=\"tlid-translation translation\" lang=\"en\"><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/a337db74-c5bc-4309-a964-aaf700c910d1\/fc112143-8154-4df6-99d8-ab510129c317_contact.jpg?width=690&amp;upscale=false\" alt=\"\"><\/span><\/p>\n<p><\/p>\n<p>&nbsp; &nbsp; <span class=\"tlid-translation translation\" lang=\"en\"><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/a337db74-c5bc-4309-a964-aaf700c910d1\/c952ae23-e0db-43d6-8f7c-ab510129e470_moment.jpg?width=690&amp;upscale=false\" alt=\"\"><\/span><\/p>\n<p><\/p>\n<p>&nbsp; <span class=\"tlid-translation translation\" lang=\"en\"><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/a337db74-c5bc-4309-a964-aaf700c910d1\/d97e0fc5-507e-451b-ac66-ab510129fa74_stress.jpg?width=690&amp;upscale=false\" alt=\"\"><\/span> <span class=\"tlid-translation translation\" lang=\"en\"><br \/><span title=\"\">Now I have to evaluate the contact pressure and the light gap.<\/span> <span title=\"\">But in the contact tool I get strange results.<\/span> <span title=\"\">Where the light gap is zero, there must be pressure (from the spring force of the ring).<\/span> <span title=\"\">but in the contact tool the pressure is zero everywhere.<\/span> <span title=\"\">That means the ring is only on the surface, although I did not use <strong>&#8220;<\/strong>Adjust to <strong>touch&#8221;.<\/strong><\/span><\/span><\/p>\n<p><\/p>\n<p><span class=\"tlid-translation translation\" lang=\"en\"><br \/><\/span> &nbsp; <span class=\"tlid-translation translation\" lang=\"en\"><span class=\"tlid-translation translation\" lang=\"en\"><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/a337db74-c5bc-4309-a964-aaf700c910d1\/39a00c4f-4f20-46a8-a359-ab51012a598e_gap.jpg?width=690&amp;upscale=false\" alt=\"\"><\/span><\/span> &nbsp;<\/p>\n<p><\/p>\n<p>&nbsp; <span class=\"tlid-translation translation\" lang=\"en\"><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/a337db74-c5bc-4309-a964-aaf700c910d1\/d1e6e9a1-ccf8-4221-b767-ab51012a803f_penetration.jpg?width=690&amp;upscale=false\" alt=\"\"><\/span> &nbsp; <span class=\"tlid-translation translation\" lang=\"en\"><br \/><strong><span title=\"\">How can I run the simulation so that the ring at the end presses the cylinder wall?<\/span><\/strong><br \/><strong><span title=\"\">I definitely need contact pressure and that can&#8217;t be zero.<\/span> <span title=\"\">That should follow the results of the light gap.<\/span><\/strong><\/span> &nbsp; <span class=\"tlid-translation translation\" lang=\"en\">I tried the following:<br \/>* Contact changed from &#8220;No Ramping&#8221; to &#8220;Ramped effect&#8221;<br \/>* Change pinball radius<br \/>* Change to Pure penalty and Augmented Lagrange<br \/>* Change the Contact Stifness<br \/><span class=\"tlid-translation translation\" lang=\"en\">* Change the Behavior to symmetric<\/span><\/span> <span class=\"tlid-translation translation\" lang=\"en\"><span class=\"tlid-translation translation\" lang=\"en\"><br \/>But nothing worked<\/span><\/span> <span class=\"tlid-translation translation\" lang=\"en\"><br \/><strong><span title=\"\">Please help me<\/span><\/strong><\/span><\/p>\n","protected":false},"template":"","class_list":["post-40498","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["12678"],"_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":["5977"],"_bbp_subscription":["244423"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["40498"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","170051"],"_bbp_voice_count":["2"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["104032"],"_bbp_last_active_id":["104032"],"_bbp_last_active_time":["2020-01-31 17:13:02"]},"test":"doug"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/40498","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\/40498\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=40498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}