{"id":161695,"date":"2023-01-25T07:16:44","date_gmt":"2023-01-25T07:16:44","guid":{"rendered":"\/knowledge\/forums\/topic\/how-do-i-check-and-control-mesh-interface-intersections\/"},"modified":"2023-07-31T12:35:44","modified_gmt":"2023-07-31T12:35:44","slug":"how-do-i-check-and-control-mesh-interface-intersections","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-check-and-control-mesh-interface-intersections\/","title":{"rendered":"How do I check and control mesh interface intersections?"},"content":{"rendered":"<p>The user can perform a check on the areas of interface zone types, and grid interface intersections, and automatically generated wall zones by the TUI command:  define\/mesh-interfaces\/list  The behavior of the grid interface algorithm is controlled by rpvars as follows:  area_tol = RP_Get_Real (&#8220;nonconformal\/smallest-area-tolerance-factor&#8221;); normal_tol = RP_Get_Real (&#8220;nonconformal\/normal-tolerance-factor&#8221;); (nonconformal\/smallest-polygon-size 1e-10) is the var to control the dropping of slivers.  Note: An intersection is ignored if: 1.Intersection area magnitude is less than \u201carea_tol\u201d times minimum of the two parent face area magnitudes 2.Normal distance is greater than \u201cnormal_tol\u201d times the minimum edge length of the parent faces 3.Dot product of the parent face normal is greater than COSINE_TOL which corresponds to 45 deg<\/p>\n","protected":false},"template":"","class_list":["post-161695","topic","type-topic","status-publish","hentry","topic-tag-4424","topic-tag-fluent","topic-tag-fluid-dynamics","topic-tag-general","topic-tag-general-fluent"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["23.56.168.180"],"_bbp_last_active_time":["1-24-2023  20:20:16"],"_btv_view_count":["2223"],"siebel_km_number":["2012616"],"product_version":["16"],"km_published_date":["2010-10-16T09:58:06.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/161695","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\/161695\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=161695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}