{"id":169732,"date":"2023-05-15T08:32:43","date_gmt":"2023-05-15T08:32:43","guid":{"rendered":"\/knowledge\/forums\/topic\/setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections\/"},"modified":"2023-07-31T12:28:52","modified_gmt":"2023-07-31T12:28:52","slug":"setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections\/","title":{"rendered":"Setting up 1:1 mesh interfaces in ANSYS CFX using Named Selections"},"content":{"rendered":"<p>CFX automatically creates a composite region of both adjacent faces from a Named Selection when these faces have a 1:1 connection in Meshing, that is, when they share topology. As a result, the Named Selection cannot be used directly for the manual setup of the interface in CFX, but the native mesh regions must be selected. This solution describes how the Named Selection can still be used to facilitate the selection of the correct mesh regions during the interface setup.  Please refer to the attachments to access the solution<\/p>\n<p>Attachments:<br \/>\n1. <a href=https:\/\/ansys13.ansys.com\/KnowledgeArticles\/Phase-2B\/2055439\/2055439.zip>2055439.zip<\/a><br \/>\n2. <a href= https:\/\/ansys13.ansys.com\/KnowledgeArticles\/Phase-2B\/2055439\/2055439_1to1_Interfaces_In_CFX_from_NamedSelections.pdf>2055439_1to1_Interfaces_In_CFX_from_NamedSelections.pdf<\/a><\/p>\n","protected":false},"template":"","class_list":["post-169732","topic","type-topic","status-publish","hentry","topic-tag-4391","topic-tag-ansys-meshing","topic-tag-cfx","topic-tag-fluid-dynamics","topic-tag-general-cfx","topic-tag-interface","topic-tag-name-selection"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"CFX automatically creates a composite region of both adjacent faces from a Named Selection when these faces have a 1:1 connection in Meshing, that is, when they share topology. As a result, the Named Selection cannot be used directly for the manual setup of the interface in CFX, but the native mesh regions must be\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections\/\" \/>\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=\"Setting up 1:1 mesh interfaces in ANSYS CFX using Named Selections | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"CFX automatically creates a composite region of both adjacent faces from a Named Selection when these faces have a 1:1 connection in Meshing, that is, when they share topology. As a result, the Named Selection cannot be used directly for the manual setup of the interface in CFX, but the native mesh regions must be\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-05-15T08:32:43+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:28:52+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Setting up 1:1 mesh interfaces in ANSYS CFX using Named Selections | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"CFX automatically creates a composite region of both adjacent faces from a Named Selection when these faces have a 1:1 connection in Meshing, that is, when they share topology. As a result, the Named Selection cannot be used directly for the manual setup of the interface in CFX, but the native mesh regions must be\" \/>\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\\\/setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections\\\/#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\\\/cfx\\\/#listItem\",\"name\":\"cfx\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfx\\\/#listItem\",\"position\":3,\"name\":\"cfx\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfx\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections\\\/#listItem\",\"name\":\"Setting up 1:1 mesh interfaces in ANSYS CFX using Named Selections\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections\\\/#listItem\",\"position\":4,\"name\":\"Setting up 1:1 mesh interfaces in ANSYS CFX using Named Selections\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfx\\\/#listItem\",\"name\":\"cfx\"}}]},{\"@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\\\/setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/setting-up-11-mesh-interfaces-in-ansys-cfx-using-named-selections\\\/\",\"name\":\"Setting up 1:1 mesh interfaces in ANSYS CFX using Named Selections | Ansys Knowledge\",\"description\":\"CFX automatically creates a composite region of both adjacent faces from a Named Selection when these faces have a 1:1 connection in Meshing, that is, when they share topology. 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