{"id":32269,"date":"2018-12-21T10:10:32","date_gmt":"2018-12-21T10:10:32","guid":{"rendered":"\/forum\/forums\/topic\/roughness-constant\/"},"modified":"2018-12-21T10:10:32","modified_gmt":"2018-12-21T10:10:32","slug":"roughness-constant","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/roughness-constant\/","title":{"rendered":"Roughness constant"},"content":{"rendered":"<p>Hi everyone,&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>I&#8217;m using ansys fluent version 19.2. I have a model using concrete as a wall material. Now I want to set the roughness height and constant. Just a short question: Is the roughness constant in fluent the same as the Manning roughness constant in hydraulics?&nbsp;<\/p>\n<p><\/p>\n<p>Also, I&#8217;ve set the solid material in my material list as aluminium (as it is by default, can&#8217;t change it somehow). Is this automatically the wall material or can this just be configurated by setting the roughness parameters?&nbsp;<\/p>\n<p><\/p>\n<p>Thanks in advance,&nbsp;<\/p>\n<p><\/p>\n<p>Daniela<\/p>\n","protected":false},"template":"","class_list":["post-32269","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["4441"],"_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","0","0","0","0"],"_btv_view_count":["2584"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["32269"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","161089"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["73025"],"_bbp_last_active_id":["73025"],"_bbp_last_active_time":["2018-12-21 10:28:27"]},"test":"daniela"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/32269","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\/32269\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=32269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}