{"id":34886,"date":"2019-04-23T08:05:09","date_gmt":"2019-04-23T08:05:09","guid":{"rendered":"\/forum\/forums\/topic\/modal-analysis-mechanism\/"},"modified":"2019-04-23T08:05:09","modified_gmt":"2019-04-23T08:05:09","slug":"modal-analysis-mechanism","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/modal-analysis-mechanism\/","title":{"rendered":"Modal Analysis, Mechanism"},"content":{"rendered":"<p>Hi,<\/p>\n<p><\/p>\n<p>I completed the design of a mechanism and did static analysis to verify it is safe. Now when I am checking the dynamic characteristic I am facing a problem.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/2a390dfe-f04d-4ff9-9a12-a9ae010f8b7d\/d980fb08-9d4b-4e41-b7a7-aa38008464ce_bc.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>This is the geometry and boundary condition , When I perform a modal analysis the first mode frequency comes to be very small as shown below.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/2a390dfe-f04d-4ff9-9a12-a9ae010f8b7d\/c2361287-0dfd-44a6-890e-aa380084c046_f2.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>about 3 Hz only. Am I doing something wrong? Should I redesign my entire mechanism?<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Thanks and Regards,<\/p>\n<p><\/p>\n<p>Vignesh K.C.<\/p>\n","protected":false},"template":"","class_list":["post-34886","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["7058"],"_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":["1225"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["34886"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","160648","160978"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["83705"],"_bbp_last_active_id":["83705"],"_bbp_last_active_time":["2019-04-25 12:18:36"]},"test":"vigneshkc"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/34886","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\/34886\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=34886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}