{"id":312129,"date":"2023-10-18T15:37:37","date_gmt":"2023-10-18T15:37:37","guid":{"rendered":"\/forum\/forums\/topic\/hydrodynamic-modelling-of-heave-plates-to-estimate-viscous-drag-in-aqwa-v2023r1\/"},"modified":"2023-10-18T15:37:37","modified_gmt":"2023-10-18T15:37:37","slug":"hydrodynamic-modelling-of-heave-plates-to-estimate-viscous-drag-in-aqwa-v2023r1","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hydrodynamic-modelling-of-heave-plates-to-estimate-viscous-drag-in-aqwa-v2023r1\/","title":{"rendered":"Hydrodynamic modelling of heave plates to estimate viscous drag in Aqwa v2023R1."},"content":{"rendered":"<p>Hi,<\/p>\n<p>I am in need of support to model the viscous drag from the heave plate\/skirt of the attached platform using Ansys Aqwa. My queries are as follows:<\/p>\n<ol>\n<li>I am aware that &#8220;Disc&#8221; can be used to model drag force from a heave plate. But do i need two discs at 6 (m) apart (see the figure)? If I have to use two discs, what could be the &#8216;Disc Normal&#8217; values along Z axis?<\/li>\n<li>If it is possible to model the drag effect of the heave plate using a single &#8216;Disc&#8217;, what could be the ideal location (along height) and &#8216;Disc Normal&#8217; value (along +ve or -ve z axis)?&nbsp;<\/li>\n<li>Please be aware that in the upper part (where small vertical cylinder connects to the heave plate) at the centre of the heave plate there is a hole. how to model a disc plate with a hole in it?<\/li>\n<\/ol>\n<p><img decoding=\"async\" title=\"heave plate\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/10\/18-10-2023-1697642343-heavePlate.JPG\" alt=\"\"><\/p>\n<p>&nbsp;Cheers!<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-312129","topic","type-topic","status-closed","hentry","topic-tag-ansys-aqwa","topic-tag-hydrodynamic","topic-tag-hydrodynamic-diffraction","topic-tag-hydrodynamic-response"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["14127","20347"],"_bbp_author_ip":["23.206.193.59"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["618"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["312129"],"_bbp_forum_id":["27796"],"_bbp_engagement":["14127","20347"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["312373"],"_bbp_last_active_id":["312373"],"_bbp_last_active_time":["2023-10-19 15:34:16"]},"test":"touhidul-islamed-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/312129","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\/312129\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=312129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}