{"id":171226,"date":"2023-06-05T07:05:57","date_gmt":"2023-06-05T07:05:57","guid":{"rendered":"\/knowledge\/forums\/topic\/what-is-the-definition-of-mesh-quality\/"},"modified":"2023-07-31T12:30:12","modified_gmt":"2023-07-31T12:30:12","slug":"what-is-the-definition-of-mesh-quality","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/what-is-the-definition-of-mesh-quality\/","title":{"rendered":"What is the Definition of Mesh Quality?"},"content":{"rendered":"<p>You can evaluate the quality of a volume mesh with Display > Plot > Cell Distribution. There are several evaluation methods, but this FAQ will only introduce the more representative ones.  Size  \u2022Option > Size \u2022Mesh size [m3]   Equilateral Volume Deviation  \u2022Option > Quality > Quality Measure > Skewness > Tri\/Tet Skewness Method > Equilateral Volume Deviation \u2022Also known as Equi-Size-Skew (ESS) in GAMBIT \u2022ESS = (Seq \/ S) \/ Seq, where oSeq is the maximum volume of the equilateral cell (maximum area in 2D) whose radius is the same as the radius of the circumcircle of the mesh element oS is the volume of the mesh in (2D) \u2022Equilateral Volume Deviation takes on a value between 0 and 1 (0 inclusive)  Normalized Equiangle Deviation \u2022Option > Quality > Quality Measure >Skewness > Tri\/Tet Skewness Method > Normalized Equiangle Deviation \u2022Also known as Equi-Angle-Skew (EAS) in GAMBIT \u2022EAS = max {(\u03b8max &#8211; \u03b8eq) \/ (180 &#8211; \u03b8eq), (\u03b8eq &#8211; \u03b8min) \/ \u03b8eq}, where o\u03b8max and \u03b8min are the maximum and minimum angles between the edges of the element o\u03b8eq is the edge angle between isosceles cells o\u03b8eq is 90\u00b0 for a triangle (2D) or tetrahedron element (3D), and 60\u00b0 for a square (2D) or hexahedron element (3D)<\/p>\n","protected":false},"template":"","class_list":["post-171226","topic","type-topic","status-publish","hentry","topic-tag-17-2","topic-tag-fluent-meshing-tgrid","topic-tag-fluid-dynamics","topic-tag-mesh-quality"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["2\/6\/2023 20:20"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["209.182.204.162"],"_btv_view_count":["1405"],"siebel_km_number":["2046945"],"product_version":["17.2"],"km_published_date":["2017-01-31T00:00:00.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT Meshing\/Tgrid"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/171226","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\/171226\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=171226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}