{"id":166775,"date":"2023-04-05T14:32:02","date_gmt":"2023-04-05T14:32:02","guid":{"rendered":"\/knowledge\/forums\/topic\/q-im-running-a-simulation-of-a-recirculation-system-i-e-no-net-in-or-outflow-but-with-a-moving-wall-driving-the-flow-i-have-seen-in-the-solver-that-the-pressure-is-automatically-set-to-zero-in\/"},"modified":"2023-07-31T12:27:40","modified_gmt":"2023-07-31T12:27:40","slug":"q-im-running-a-simulation-of-a-recirculation-system-i-e-no-net-in-or-outflow-but-with-a-moving-wall-driving-the-flow-i-have-seen-in-the-solver-that-the-pressure-is-automatically-set-to-zero-in","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/q-im-running-a-simulation-of-a-recirculation-system-i-e-no-net-in-or-outflow-but-with-a-moving-wall-driving-the-flow-i-have-seen-in-the-solver-that-the-pressure-is-automatically-set-to-zero-in\/","title":{"rendered":"Q) I&#8217;m running a simulation of a recirculation system, i.e. no net in- or outflow, but with a moving wall driving the flow. I have seen in the solver that the pressure is automatically set to zero in one point, but I would like to know if I can specify the location of this point in CFX-Pre?  A) This is set in Solver Control\/Advanced Options\/Pressure Level Information. Change Automatic to Cartesian co-ordinates. For multiple domains, there is a pressure reference point for each domain."},"content":{"rendered":"<p>Q) I&#8217;m running a simulation of a recirculation system, i.e. no net in- or outflow, but with a moving wall driving the flow. I have seen in the solver that the pressure is automatically set to zero in one point, but I would like to know if I can specify the location of this point in CFX-Pre?  A) This is set in Solver Control\/Advanced Options\/Pressure Level Information. Change Automatic to Cartesian co-ordinates. For multiple domains, there is a pressure reference point for each domain.<\/p>\n","protected":false},"template":"","class_list":["post-166775","topic","type-topic","status-publish","hentry","topic-tag-4877","topic-tag-cfx-pre","topic-tag-fluid-dynamics","topic-tag-general"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["5\/4\/2023 20:20"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["209.182.204.162"],"_btv_view_count":["304"],"siebel_km_number":["468890"],"product_version":["10"],"km_published_date":["2006-01-20T00:00:00.000Z"],"family":["Fluid Dynamics"],"application_name":["CFX-Pre"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/166775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/166775\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=166775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}