{"id":37657,"date":"2019-09-12T15:40:38","date_gmt":"2019-09-12T15:40:38","guid":{"rendered":"\/forum\/forums\/topic\/decay-tests-in-aqwa\/"},"modified":"2019-09-12T15:40:38","modified_gmt":"2019-09-12T15:40:38","slug":"decay-tests-in-aqwa","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/decay-tests-in-aqwa\/","title":{"rendered":"Decay tests in AQWA"},"content":{"rendered":"<p>Hi!<\/p>\n<p><\/p>\n<p>Does anyone know how to perform a decay test with Ansys AQWA?&nbsp;I have just read on the AQWA theory manual (Chapter 14: Extended functionalities) that:<\/p>\n<p><\/p>\n<p>&#8220;The damping property for a specified degree of freedom of a floating structure can be estimated using a numerical twang test record. The structure center of gravity is shifted by a distance along the specified degree of freedom from its equilibrium position in still water at time. A time history of its freely-decaying response can then be calculated by an Aqwa time domain analysis.&#8221;<\/p>\n<p><\/p>\n<p>but I am afraid that aqwa-librium is needed, which is not available with my licese (I only have access to Hydrodynamic Diffraction and Hydrodynamic Time Response)<\/p>\n","protected":false},"template":"","class_list":["post-37657","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["9835"],"_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":["1322"],"_bbp_subscription":["242859","289762","289766"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["37657"],"_bbp_forum_id":["27791"],"_bbp_engagement":["158054","168417","289762","289766"],"_bbp_voice_count":["4"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["293999"],"_bbp_last_active_id":["293999"],"_bbp_last_active_time":["2023-07-20 03:27:43"]},"test":"elisad"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/37657","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\/37657\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=37657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}