{"id":50641,"date":"2020-12-15T11:12:58","date_gmt":"2020-12-15T11:12:58","guid":{"rendered":"\/forum\/forums\/topic\/how-to-adjust-density-and-dynamic-viscosity-values-to-get-desired-reynolds-number\/"},"modified":"2020-12-15T11:12:58","modified_gmt":"2020-12-15T11:12:58","slug":"how-to-adjust-density-and-dynamic-viscosity-values-to-get-desired-reynolds-number","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-adjust-density-and-dynamic-viscosity-values-to-get-desired-reynolds-number\/","title":{"rendered":"How to adjust Density and Dynamic Viscosity Values to get Desired Reynold&#8217;s Number?"},"content":{"rendered":"<p>I have seen a lot of Fluent Users changing Density and Dynamic Viscosity Values (for the fluid) in Material Property to get the desired Reybold&#8217;s number.nRe = density x Velocity x D \/ Dyn. Viscousity nIn my case, I keep density = 1 (Edit Fluid material property) and Velocity = 1 (Initialization and Inlet velocity) with D = 0.1 (geometry) to get a Dyn. Viscosity value that corresponds to my desired Re.nNow what I am worried about is, do I also need to change these values in the Reference Values Section? Since I am interested in getting the correct Cd, Cl, Pressure Coef. &#8230; valuesnI know that I need to change the Area to 0.1 (2D) but how about the density here and the Dynamic Viscosity?n n<\/p>\n","protected":false},"template":"","class_list":["post-50641","topic","type-topic","status-closed","hentry","topic-tag-ansys-fluent","topic-tag-fluent","topic-tag-solver"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["22893"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":["?\u0003?c"],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["1782"],"_bbp_subscription":["255421"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["50641"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","22555","181302"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["136219"],"_bbp_last_active_id":["136219"],"_bbp_last_active_time":["2020-12-16 10:17:52"]},"test":"smalbro93"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/50641","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\/50641\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=50641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}