{"id":362844,"date":"2024-04-18T05:46:34","date_gmt":"2024-04-18T05:46:34","guid":{"rendered":"\/forum\/forums\/topic\/how-to-calculate-axial-stiffness-riser\/"},"modified":"2024-04-18T05:46:34","modified_gmt":"2024-04-18T05:46:34","slug":"how-to-calculate-axial-stiffness-riser","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-calculate-axial-stiffness-riser\/","title":{"rendered":"How to calculate axial stiffness riser"},"content":{"rendered":"<p>Hi,<\/p>\n<p>The information of tension leg are diameter 1.2m, thickness 0.04m, length 70m, steel tension leg E =2.1&#215;10^11 N\/m2.<\/p>\n<p>Water depth is 80m, wave height 2m, period 6s.<\/p>\n<p>My question is :<\/p>\n<p>1) what formula to calculated axial stiffness at tether boundary condition at fixed point and tether boundary condition on structure?<\/p>\n<p>2) The value of axial stiffness key in at the two (at fixed point and on structure) are can key in same data?<\/p>\n<p>Thank.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/18-04-2024-1713418678-floating structure.PNG\" alt=\"\" width=\"587\" height=\"241\"><\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/18-04-2024-1713418729-riser.PNG\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-362844","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["20652","180344"],"_bbp_author_ip":["96.7.218.215"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["523"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["362844"],"_bbp_forum_id":["27792"],"_bbp_engagement":["20652","180344"],"_bbp_voice_count":["2"],"_bbp_reply_count":["9"],"_bbp_last_reply_id":["364634"],"_bbp_last_active_id":["364634"],"_bbp_last_active_time":["2024-04-29 08:20:30"]},"test":"nhanani4gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362844","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\/362844\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=362844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}