{"id":39401,"date":"2019-12-05T12:42:13","date_gmt":"2019-12-05T12:42:13","guid":{"rendered":"\/forum\/forums\/topic\/error-in-stating-units-for-expression-for-velocity-profile\/"},"modified":"2019-12-05T12:42:13","modified_gmt":"2019-12-05T12:42:13","slug":"error-in-stating-units-for-expression-for-velocity-profile","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-in-stating-units-for-expression-for-velocity-profile\/","title":{"rendered":"Error in stating units for expression for velocity profile"},"content":{"rendered":"<p>Hi,<\/p>\n<p><\/p>\n<p>I&#8217;m trying to enter a function for a velocity profile: <em>5 * exp(-Position.y **2\/Position.x**2)<\/em>, and when I try to enter this expression into the inlet boundary conditions I get an error saying <em>&#8216;incorrect expression unit. Requires [m s^-1]&#8217;.<\/em><\/p>\n<p><\/p>\n<p>When I try to enter the units into the expression box, I got errors saying &#8220;&#8216;m&#8217; is not defined&#8217; and even when I try other units such as &#8216;sec&#8217; it still doesn&#8217;t work. I have tried &#8216;[m\/s]&#8217; and &#8216;[m s^-1]&#8217; and &#8216;, where I am typing the units after the expression. I would really appreciate if someone could please fix this for me! Thank you.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>P.S I am using ANSYS Fluet (Student version)<\/p>\n","protected":false},"template":"","class_list":["post-39401","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["11580"],"_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":["934"],"_bbp_subscription":["245586"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["39401"],"_bbp_forum_id":["27792"],"_bbp_engagement":["22555","171242"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["100220"],"_bbp_last_active_id":["100220"],"_bbp_last_active_time":["2019-12-07 07:00:20"]},"test":"dylcg10"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/39401","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\/39401\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=39401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}