


{"id":42479,"date":"2020-04-06T10:31:19","date_gmt":"2020-04-06T10:31:19","guid":{"rendered":"\/forum\/forums\/topic\/report-forces-vs-report-definitions\/"},"modified":"2020-04-06T10:31:19","modified_gmt":"2020-04-06T10:31:19","slug":"report-forces-vs-report-definitions","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/report-forces-vs-report-definitions\/","title":{"rendered":"Report Forces vs Report Definitions"},"content":{"rendered":"<p>Hi,&nbsp;<\/p>\n<p>\n<span style=\"color: #000000; font-family: arial, sans-serif;\">My&nbsp;study is about analysing a rocket with ANSYS Fluent.&nbsp;<\/span>I am trying to extract Drag Force.&nbsp;<span style=\"color: #000000; font-family: arial, sans-serif;\">I&nbsp;get the value close to predicted through Report -&gt; Forces after the simulation has completed. Usually it is around 600 N Total Drag.&nbsp;<\/span><br \/>\n<span style=\"color: #000000; font-family: arial, sans-serif;\"><br \/>However, the Drag I compute through Report Definitions -&gt; Drag Force and consequently I observe through Monitors -&gt; Report Plots -&gt; Drag Force is different, around 10&#8217;000 N.&nbsp;<\/span><span style=\"color: #000000; font-family: arial, sans-serif;\">(see picture below)&nbsp;<\/span><br \/>\n&nbsp;<br \/>\n<span style=\"color: #000000; font-family: arial, sans-serif;\">In both cases I select the same axis and the same wall geometry.&nbsp;I would like to get the Report Definitions working, since then I would be able to see the convergence of drag force with iterations. But also I want both values to be the same, to be confident in the result.<\/span><br \/>\n<span style=\"color: #000000; font-family: arial, sans-serif;\">&nbsp;<\/span><br \/>\n<span style=\"color: #000000; font-family: arial, sans-serif;\">Would you be able to help me with this, please? What could be the reason behind the discrepancy in the results?<\/span><br \/>\n&nbsp;<\/p>\n<p><span style=\"color: #000000;\">Some of my settings:<\/span><br \/>\n<span style=\"color: #000000;\">2D&nbsp;<\/span><br \/>\n<span style=\"color: #000000;\">Steady<\/span><br \/>\nPressure Far Field boundary condition was used with a Gauge Pressure of 86590.5 Pa<span style=\"color: #000000;\">, high-Mach number.<\/span><br \/>\n<span style=\"color: #000000;\">SST model, 30&lt;y+&lt;100<\/span><\/p>\n","protected":false},"template":"","class_list":["post-42479","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["14659"],"_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":["2506"],"_bbp_subscription":["249518"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["42479"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","22555","175343"],"_bbp_voice_count":["3"],"_bbp_reply_count":["19"],"_bbp_last_reply_id":["111026"],"_bbp_last_active_id":["111026"],"_bbp_last_active_time":["2020-04-12 12:08:54"]},"test":"iakov1703"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/42479","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\/42479\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=42479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}