{"id":161486,"date":"2023-01-25T07:16:05","date_gmt":"2023-01-25T07:16:05","guid":{"rendered":"\/knowledge\/forums\/topic\/when-creating-prisms-layers-in-the-ftm-workflow-inflation-is-grown-from-every-fluid-surface-even-the-inlets-outlets-how-can-i-prevent-that\/"},"modified":"2023-07-31T12:35:23","modified_gmt":"2023-07-31T12:35:23","slug":"when-creating-prisms-layers-in-the-ftm-workflow-inflation-is-grown-from-every-fluid-surface-even-the-inlets-outlets-how-can-i-prevent-that","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/when-creating-prisms-layers-in-the-ftm-workflow-inflation-is-grown-from-every-fluid-surface-even-the-inlets-outlets-how-can-i-prevent-that\/","title":{"rendered":"When creating prisms layers in the FTM workflow, inflation is grown from every fluid surface, even the inlets \/ outlets : how can I prevent that?"},"content":{"rendered":"<p>This is a known limitation for the FTM workflow in version 2019R3. The only current workaround is to replace the automated prisms creation by a scoped one (either by going back to the outline tree, and creating scoped prisms controls, either using a journal)  This capability has been extended in version 2020R1 : boundary type can be set from the workflow (&#8216;update boundary&#8217; can be inserted after the surface mesh generation) and the prisms generation can be restricted to walls only<\/p>\n","protected":false},"template":"","class_list":["post-161486","topic","type-topic","status-publish","hentry","topic-tag-2019-r3","topic-tag-fault-tolerant","topic-tag-fluent-meshing-tgrid","topic-tag-fluid-dynamics","topic-tag-workflows"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"This is a known limitation for the FTM workflow in version 2019R3. 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The only current workaround is to replace the automated prisms creation by a scoped one (either by going back to the outline tree, and creating scoped prisms controls, either using a journal) This capability has been extended in version 2020R1 : boundary type\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/when-creating-prisms-layers-in-the-ftm-workflow-inflation-is-grown-from-every-fluid-surface-even-the-inlets-outlets-how-can-i-prevent-that\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-01-25T07:16:05+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:35:23+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"When creating prisms layers in the FTM workflow, inflation is grown from every fluid surface, even the inlets \/ outlets : how can I prevent that? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"This is a known limitation for the FTM workflow in version 2019R3. The only current workaround is to replace the automated prisms creation by a scoped one (either by going back to the outline tree, and creating scoped prisms controls, either using a journal) This capability has been extended in version 2020R1 : boundary type\" \/>\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\\\/when-creating-prisms-layers-in-the-ftm-workflow-inflation-is-grown-from-every-fluid-surface-even-the-inlets-outlets-how-can-i-prevent-that\\\/#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\\\/when-creating-prisms-layers-in-the-ftm-workflow-inflation-is-grown-from-every-fluid-surface-even-the-inlets-outlets-how-can-i-prevent-that\\\/#listItem\",\"name\":\"When creating prisms layers in the FTM workflow, inflation is grown from every fluid surface, even the inlets \\\/ outlets : how can I prevent that?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/when-creating-prisms-layers-in-the-ftm-workflow-inflation-is-grown-from-every-fluid-surface-even-the-inlets-outlets-how-can-i-prevent-that\\\/#listItem\",\"position\":4,\"name\":\"When creating prisms layers in the FTM workflow, inflation is grown from every fluid surface, even the inlets \\\/ outlets : how can I prevent that?\",\"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\\\/when-creating-prisms-layers-in-the-ftm-workflow-inflation-is-grown-from-every-fluid-surface-even-the-inlets-outlets-how-can-i-prevent-that\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/when-creating-prisms-layers-in-the-ftm-workflow-inflation-is-grown-from-every-fluid-surface-even-the-inlets-outlets-how-can-i-prevent-that\\\/\",\"name\":\"When creating prisms layers in the FTM workflow, inflation is grown from every fluid surface, even the inlets \\\/ outlets : how can I prevent that? | Ansys Knowledge\",\"description\":\"This is a known limitation for the FTM workflow in version 2019R3. 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