{"id":44727,"date":"2020-06-03T20:05:37","date_gmt":"2020-06-03T20:05:37","guid":{"rendered":"\/forum\/forums\/topic\/what-should-i-use-contact-or-joint\/"},"modified":"2020-06-03T20:05:37","modified_gmt":"2020-06-03T20:05:37","slug":"what-should-i-use-contact-or-joint","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/what-should-i-use-contact-or-joint\/","title":{"rendered":"What should I use contact or joint"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p><\/p>\n<hr>\n<p><\/p>\n<p>I am doing a static structural analysis of plastic hinge. I am new to ansys I do not know should I use contact or revolute joint between pin and hinge leaf .<\/p>\n<p><\/p>\n<p>Also&nbsp;<\/p>\n<p><\/p>\n<p>1) is it good to use both at same place ( frictional contact and revolute joint) what do you think ?<\/p>\n<p><\/p>\n<p>2) how torsional stiffness and torsional damping value useful to that joint ? (Are they necessary to use )<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/964ba3a5-da00-41dc-ae82-abc6010f6b99\/7b59390c-4257-490b-aea1-abcf014aada8_img-20200604-wa0000.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><strong>When i use frictional catact between two leafs &amp; right leaf and steel pin, and boned contact between left leaf and pin.??<\/strong>??<\/p>\n<p><\/p>\n<p>Equivalent (von misses ) stress<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/964ba3a5-da00-41dc-ae82-abc6010f6b99\/bc6bedd2-8638-49ca-abb7-abcf015eb717_img-20200604-wa0001.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><strong>When I used a fixed&nbsp; joint between left leaf and pin , revolute joint bet right leaf and pin and frictional contact between both leafs of hinge.????<\/strong><\/p>\n<p><\/p>\n<p>Equivalent (von misses)stress<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/964ba3a5-da00-41dc-ae82-abc6010f6b99\/37081d4f-053b-433b-9127-abcf0160216f_img-20200604-wa0002.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p><span style=\"text-decoration: underline;\"><em>why a value of equivalent stress increased when I used joints or decreased when I used contacts ?<strong><\/strong><\/em><\/span><\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-44727","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["16908"],"_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":["742"],"_bbp_subscription":["251795"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["44727"],"_bbp_forum_id":["27791"],"_bbp_engagement":["177652"],"_bbp_voice_count":["1"],"_bbp_reply_count":["0"],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["44727"],"_bbp_last_active_time":["2020-06-03 20:05:37"]},"test":"ashishchache"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/44727","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\/44727\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=44727"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}