{"id":431273,"date":"2025-05-11T10:05:09","date_gmt":"2025-05-11T10:05:09","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/aqwa-acceleration-and-displacement-output-mismatch\/"},"modified":"2025-05-11T10:05:09","modified_gmt":"2025-05-11T10:05:09","slug":"aqwa-acceleration-and-displacement-output-mismatch","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/aqwa-acceleration-and-displacement-output-mismatch\/","title":{"rendered":"AQWA: Acceleration and displacement output mismatch.."},"content":{"rendered":"<p>&lt;p&gt;Hi, This was the result in acceleration for a regular wave time response analysis of a model scale spar platform.&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/05\/11-05-2025-1746957890-mceclip2.png\" \/>&lt;\/p&gt;&lt;p&gt;But the position response shown is of a different nature. The acceleration response I validated with my experimental results. but the position actual response is entirely different. why is this?. Please help me to sort this out.&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/05\/11-05-2025-1746957755-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;Also one more doubt. Why is the heave acceleration is non-zero at time =0s?&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-431273","topic","type-topic","status-publish","hentry","topic-tag-ansys-aqwa","topic-tag-aqwa","topic-tag-timeseriesresponse-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["431273"],"_bbp_subscription":["150512","180344"],"_bbp_author_ip":["103.21.126.81"],"_bbp_last_reply_id":["431932"],"_bbp_last_active_id":["431932"],"_bbp_last_active_time":["2025-05-19 08:33:18"],"_bbp_reply_count":["21"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["150512","180344"],"_btv_view_count":["293"],"_bbp_topic_status":["unanswered"]},"test":"c394bd69a3d04c280f66663ea12cfd2e9a08f8f7"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/431273","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\/431273\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=431273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}