{"id":50498,"date":"2020-12-09T11:48:16","date_gmt":"2020-12-09T11:48:16","guid":{"rendered":"\/forum\/forums\/topic\/which-momentum-equation-for-porous-media-is-correct\/"},"modified":"2020-12-09T11:48:16","modified_gmt":"2020-12-09T11:48:16","slug":"which-momentum-equation-for-porous-media-is-correct","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/which-momentum-equation-for-porous-media-is-correct\/","title":{"rendered":"Which momentum equation for porous media is correct?"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hello everyone,<\/p>\n<p>Through checking out the momentum equations for porous media from the user&rsquo;s guide in Fluent 6.2, 16.1, 19R3, I found out that the viscous and inertial force terms in the equations are different. And the user&rsquo;s guides all mention that all the equations are using the physical velocity&nbsp;formulation, so could you help me to explain why they are different, and which equation is correct? The attached are the momentum equations.<\/p>\n<p>6.2<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/35VE8OMPIAZH\/fluent6-2.png\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/35VE8OMPIAZH\/fluent6-2.png\" alt=\"Fluent6.2.png\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-50498","topic","type-topic","status-closed","hentry","topic-tag-fluid-dynamics","topic-tag-momentum-equation","topic-tag-multiphase","topic-tag-porous-media"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["22748"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":["????"],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["550"],"_bbp_subscription":["254104"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["50498"],"_bbp_forum_id":["27792"],"_bbp_engagement":["25","179994"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["136577"],"_bbp_last_active_id":["136577"],"_bbp_last_active_time":["2020-12-21 02:38:12"]},"test":"guojun"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/50498","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\/50498\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=50498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}