{"id":167129,"date":"2023-04-05T14:32:57","date_gmt":"2023-04-05T14:32:57","guid":{"rendered":"\/knowledge\/forums\/topic\/difference-in-iso-surface-creation-for-same-variable-value-in-cfd-post-and-fluent\/"},"modified":"2023-07-31T12:27:57","modified_gmt":"2023-07-31T12:27:57","slug":"difference-in-iso-surface-creation-for-same-variable-value-in-cfd-post-and-fluent","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/difference-in-iso-surface-creation-for-same-variable-value-in-cfd-post-and-fluent\/","title":{"rendered":"Difference in Iso-surface creation for same variable value in CFD Post and Fluent"},"content":{"rendered":"<p>&#8220;Fluent does second order interpolation to get the node values from the cell\/face values. CFDPost uses first-order interpolation. This leads to slight differences in the node values.To get a closer match between Fluent and CFDPost please use tui command  \/display\/set nodewt-interp no  This forces fluent to use the first order interpolation and then the results are comparable.&#8221;  This has got implemented from Fluent 18.X  For Fluent 17.x and before version this solution is not applicable.<\/p>\n","protected":false},"template":"","class_list":["post-167129","topic","type-topic","status-publish","hentry","topic-tag-18-2","topic-tag-cfd-post","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":["563"],"siebel_km_number":["2054230"],"product_version":["18.2"],"km_published_date":["2018-04-19T00:00:00.000Z"],"family":["Fluid Dynamics"],"application_name":["CFD-Post"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/167129","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\/167129\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=167129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}