{"id":456979,"date":"2026-04-23T14:21:31","date_gmt":"2026-04-23T14:21:31","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/units-for-general-momentum-source\/"},"modified":"2026-04-23T14:21:31","modified_gmt":"2026-04-23T14:21:31","slug":"units-for-general-momentum-source","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/units-for-general-momentum-source\/","title":{"rendered":"Units for General Momentum Source"},"content":{"rendered":"<p>&lt;p&gt;&nbsp;I am trying to add a momentum source to an internal volume within a larger fluid domain. I know the velocities\/mass flow rates for the inlet and outlet as well as the power that the &#8220;pump&#8221; produces but I am unsure how to translate this into CFX&#8217;s units of kg m^-2 s^-2 which are not typical for momentum. Any suggestions?&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-456979","topic","type-topic","status-publish","hentry","topic-tag-ansys-cfx","topic-tag-conservation-of-momentum"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["456979"],"_bbp_subscription":["260782","62368"],"_bbp_author_ip":["128.143.1.11"],"_bbp_last_reply_id":["457000"],"_bbp_last_active_id":["457000"],"_bbp_last_active_time":["2026-04-23 18:06:25"],"_bbp_reply_count":["2"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["260782","62368"],"_btv_view_count":["57"],"_bbp_topic_status":["unanswered"]},"test":"qnp5rgvirginia-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/456979","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\/456979\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=456979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}