{"id":32588,"date":"2019-01-11T10:22:20","date_gmt":"2019-01-11T10:22:20","guid":{"rendered":"\/forum\/forums\/topic\/how-to-increase-wall-shear-stress\/"},"modified":"2019-01-11T10:22:20","modified_gmt":"2019-01-11T10:22:20","slug":"how-to-increase-wall-shear-stress","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-increase-wall-shear-stress\/","title":{"rendered":"How to increase wall shear stress?"},"content":{"rendered":"<p>Hello,&nbsp;<\/p>\n<p><\/p>\n<p>Is there any way to increase the Wall shear stress at the bottom? It is too low and thereby the sediments move too slow (undesirable).<\/p>\n<p><\/p>\n<p>I have used Roughness height of 200 micrometers and a Roughness constant of 0.5.<\/p>\n<p><\/p>\n<p>I use &#8220;water-liquid&#8221; in the Cell zone condition and for the Reference values, I set Density = 998.2 kg\/m3 and Viscosity = 0.001003 kg\/m-s<\/p>\n<p><\/p>\n<p>What could be done to increase the Wall shear stress? I read in the manual about Reference values but couldn&#8217;t find anything that might help. Do you think&nbsp;changing the &#8220;Compute from&#8221; in Reference values would help or something as such?<\/p>\n<p><\/p>\n<p>I would be very grateful if anyone could help me in this regard.&nbsp;<\/p>\n<p><\/p>\n<p>Thank you&nbsp;<\/p>\n<p><\/p>\n<p>With regards<\/p>\n<p><\/p>\n<p>Shaheen Wahab<\/p>\n","protected":false},"template":"","class_list":["post-32588","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["4760"],"_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":["370"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["32588"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","22555","158447"],"_bbp_voice_count":["3"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["74542"],"_bbp_last_active_id":["74542"],"_bbp_last_active_time":["2019-01-11 11:59:56"]},"test":"shaheen-wahab"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/32588","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\/32588\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=32588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}