{"id":307944,"date":"2023-09-21T17:49:50","date_gmt":"2023-09-21T17:49:50","guid":{"rendered":"\/forum\/forums\/topic\/calculating-cycle\/"},"modified":"2023-09-21T17:49:50","modified_gmt":"2023-09-21T17:49:50","slug":"calculating-cycle","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/calculating-cycle\/","title":{"rendered":"Calculating Cycle"},"content":{"rendered":"<p>Hello,<\/p>\n<p>I try to do aircraft wing fatigue life analysis. I have acceleration-time data (1G-1.5G) more than 20000 datas. I determined boundary conditions for wing (acceleration). I converted acceleration-time graph to PSD to add fatigue tool history data. However, I have a problem. How can I calculate the life cycle as hours and infinite life?&nbsp; How can I use the Rainflow Cycle to calculate it?&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/21-09-2023-1695318408-mceclip1.png\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/21-09-2023-1695318583-mceclip2.png\"><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-307944","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["22823","88","490"],"_bbp_author_ip":["23.52.43.88"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1497"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["307944"],"_bbp_forum_id":["27791"],"_bbp_engagement":["88","490","22823"],"_bbp_voice_count":["3"],"_bbp_reply_count":["13"],"_bbp_last_reply_id":["309625"],"_bbp_last_active_id":["309625"],"_bbp_last_active_time":["2023-10-02 07:11:25"]},"test":"louiee1907gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/307944","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\/307944\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=307944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}