{"id":363499,"date":"2024-04-22T12:32:07","date_gmt":"2024-04-22T12:32:07","guid":{"rendered":"\/forum\/forums\/topic\/velocity-mag-and-velocitymagnitude-in-expression\/"},"modified":"2024-04-24T00:42:32","modified_gmt":"2024-04-24T00:42:32","slug":"velocity-mag-and-velocitymagnitude-in-expression","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/velocity-mag-and-velocitymagnitude-in-expression\/","title":{"rendered":"Velocity.mag and VelocityMagnitude in Expression"},"content":{"rendered":"<p>Hi, I&#8217;m using expression in Fluent. I found Velocit.mag and VelocityMagnitude in variables- velocity as shown below.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/22-04-2024-1713788524-mceclip0.png\" width=\"679\" height=\"462\"><\/p>\n<p>It seems that they are both scalars. And I define&nbsp; expression of them respectively to check the differences.<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/22-04-2024-1713788718-mceclip1.png\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/22-04-2024-1713788729-mceclip2.png\"><\/p>\n<p>I have calculated and checked contour of them at same location.&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/22-04-2024-1713788942-mceclip4.png\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/22-04-2024-1713788978-mceclip5.png\"><\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/22-04-2024-1713789042-mceclip6.png\"><\/p>\n<p>they turned out to be same. I&#8217;m questionable about this two variables. What&#8217;s the difference between them?<\/p>\n<p>Any suggestions is appreciated.<\/p>\n<p>Regards.<\/p>\n<p>LEE<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-363499","topic","type-topic","status-closed","hentry","topic-tag-expression","topic-tag-fluent","topic-tag-fluid"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["51510","199"],"_bbp_author_ip":["168.143.243.14"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1182"],"_bbp_topic_status":["answered"],"_bbp_topic_id":["363499"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","51510"],"_bbp_voice_count":["2"],"_bbp_last_reply_id":["363699"],"_bbp_last_active_id":["363699"],"_bbp_last_active_time":["2024-04-23 12:00:42"]},"test":"bfdef4e41fe840e99014e0c0ef18055b3cd7380f"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/363499","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/363499\/revisions"}],"predecessor-version":[{"id":363852,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/363499\/revisions\/363852"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=363499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}