{"id":276567,"date":"2023-03-27T11:23:41","date_gmt":"2023-03-27T11:23:41","guid":{"rendered":"\/forum\/forums\/topic\/compliant-mechanisms\/"},"modified":"2023-03-27T11:23:41","modified_gmt":"2023-03-27T11:23:41","slug":"compliant-mechanisms","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/compliant-mechanisms\/","title":{"rendered":"Compliant Mechanisms"},"content":{"rendered":"<p>Hi,&nbsp;<\/p>\n<p>I&#8217;m trying to find the compliance factors of a curved beam flexure. The geometry is a simple curved beam (R=30mm, angle=45&deg;) with a rectangular shape section (w=6 mm,t=1.2mm), like that:<\/p>\n<p><img decoding=\"async\" src=\"thesis\" alt=\"\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/27-03-2023-1679915474-imag.PNG\" alt=\"\"><\/p>\n<p>I fixed one end and applied the force vector components (one by one) at the other one; then, I measured the displacements\/rotations at the free end and divide displacement by force (or rotation by moment) to obtain the compliance factors, but I dind&#8217;t get the correct results.<\/p>\n<p>The correct compliance factors are analitically calculated (m\/N or rad\/Nm) compared to coordinate system &#8220;g&#8221; fixed at free end (like in previous picture, where x_g is red and z_g is green):<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/27-03-2023-1679915770-mceclip0.png\"><\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/27-03-2023-1679915795-mceclip1.png\"><\/p>\n<p>How can I do to obtain the same results with a FEA?<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-276567","topic","type-topic","status-closed","hentry","topic-tag-beam-analysis-1","topic-tag-compliance-1","topic-tag-curved-geometry-2"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["280370","240","191063"],"_bbp_author_ip":["23.223.149.206"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1140"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["276567"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","191063","280370"],"_bbp_voice_count":["3"],"_bbp_reply_count":["12"],"_bbp_last_reply_id":["276983"],"_bbp_last_active_id":["276983"],"_bbp_last_active_time":["2023-03-29 12:40:28"]},"test":"agostinelli-1800899studenti-uniroma1-it"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/276567","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\/276567\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=276567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}