{"id":165897,"date":"2023-03-17T13:10:32","date_gmt":"2023-03-17T13:10:32","guid":{"rendered":"\/knowledge\/forums\/topic\/how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains\/"},"modified":"2023-07-31T12:26:57","modified_gmt":"2023-07-31T12:26:57","slug":"how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains\/","title":{"rendered":"How to check surface-surface tangency in SpaceClaim before meshing fluid domains ?"},"content":{"rendered":"<p>Tangencies between surfaces or sharp angles between surfaces can lead to bad cells in the mesh. Such issues are very common in Fluids domains due for example to contact between rounded solids. \u201cSharp Edges\u201d detection tool in SpaceClaim can be used to flag those places so they can be fixed in the CAD.  Please look at the PDF attached for more information.<\/p>\n<p>Attachments:<br \/>\n1. <a href=https:\/\/ansys13.ansys.com\/KnowledgeArticles\/Phase-1\/2063824\/2063824.pdf>2063824.pdf<\/a><\/p>\n","protected":false},"template":"","class_list":["post-165897","topic","type-topic","status-publish","hentry","topic-tag-2020-r2","topic-tag-ansys-spaceclaim-directmodeler","topic-tag-fluid-dynamics","topic-tag-general"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Tangencies between surfaces or sharp angles between surfaces can lead to bad cells in the mesh. Such issues are very common in Fluids domains due for example to contact between rounded solids. \u201cSharp Edges\u201d detection tool in SpaceClaim can be used to flag those places so they can be fixed in the CAD. Please look\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"How to check surface-surface tangency in SpaceClaim before meshing fluid domains ? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"Tangencies between surfaces or sharp angles between surfaces can lead to bad cells in the mesh. Such issues are very common in Fluids domains due for example to contact between rounded solids. \u201cSharp Edges\u201d detection tool in SpaceClaim can be used to flag those places so they can be fixed in the CAD. Please look\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-03-17T13:10:32+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:26:57+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How to check surface-surface tangency in SpaceClaim before meshing fluid domains ? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Tangencies between surfaces or sharp angles between surfaces can lead to bad cells in the mesh. Such issues are very common in Fluids domains due for example to contact between rounded solids. \u201cSharp Edges\u201d detection tool in SpaceClaim can be used to flag those places so they can be fixed in the CAD. Please look\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluid-dynamics\\\/#listItem\",\"name\":\"fluid-dynamics\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluid-dynamics\\\/#listItem\",\"position\":3,\"name\":\"fluid-dynamics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluid-dynamics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains\\\/#listItem\",\"name\":\"How to check surface-surface tangency in SpaceClaim before meshing fluid domains ?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains\\\/#listItem\",\"position\":4,\"name\":\"How to check surface-surface tangency in SpaceClaim before meshing fluid domains ?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluid-dynamics\\\/#listItem\",\"name\":\"fluid-dynamics\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-check-surface-surface-tangency-in-spaceclaim-before-meshing-fluid-domains\\\/\",\"name\":\"How to check surface-surface tangency in SpaceClaim before meshing fluid domains ? | Ansys Knowledge\",\"description\":\"Tangencies between surfaces or sharp angles between surfaces can lead to bad cells in the mesh. 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