{"id":311468,"date":"2023-10-13T22:11:25","date_gmt":"2023-10-13T22:11:25","guid":{"rendered":"\/forum\/forums\/topic\/seeking-clarification-on-coefficients-in-kw-bsl-sst-model\/"},"modified":"2023-10-13T22:11:25","modified_gmt":"2023-10-13T22:11:25","slug":"seeking-clarification-on-coefficients-in-kw-bsl-sst-model","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/seeking-clarification-on-coefficients-in-kw-bsl-sst-model\/","title":{"rendered":"Seeking clarification on coefficients in kw-BSL\/SST model"},"content":{"rendered":"<p>Hello!<\/p>\n<p>When selecting k-omega BSL or SST models, I see that the coefficient alpha_inf is set to 0.52 &#8212; is this a bug?<\/p>\n<p>alpha_inf = 0.52 is true for the standard (Wilcox) k-omega model, and the default value for this coefficient is provided in&nbsp;the Fluent Theory Guide (Section 4.4.1.6 &#8211; Model Constants in Standard k-w Model).<\/p>\n<p>However, when I switch the model to be BSL or SST I still see that alpha_inf is still set to 0.52, which is incorrect. Looking again at the Fluent Theory Guide, Section 4.4.2.4.2. &#8211; Product of w in Baseline (BSL) k-w Model, it provides equation 4-110 which is the correct equation for alpha_inf when using the BSL or SST model.<\/p>\n<p>Just looking for a second opinion on this, maybe someone can point out what I am missing here.<\/p>\n<p>Thank you!<\/p>\n","protected":false},"template":"","class_list":["post-311468","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["48903","15180"],"_bbp_author_ip":["23.206.193.41"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["485"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["311468"],"_bbp_forum_id":["27792"],"_bbp_engagement":["15180","48903"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["311636"],"_bbp_last_active_id":["311636"],"_bbp_last_active_time":["2023-10-16 13:49:59"]},"test":"ethan-johnsonblueforce-aero"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/311468","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\/311468\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=311468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}