{"id":356780,"date":"2024-03-13T08:26:24","date_gmt":"2024-03-13T08:26:24","guid":{"rendered":"\/forum\/forums\/reply\/356780\/"},"modified":"2024-03-13T08:26:24","modified_gmt":"2024-03-13T08:26:24","slug":"356780","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/","title":{"rendered":"Reply To: High unphysical pressure fluctuations in an unsteady simulation"},"content":{"rendered":"<p>&lt;p&gt;Hello Federico,&lt;\/p&gt;&lt;p&gt;Thank you for your answer. The top figure is a cut with the plane z = 0. The domain is extruded in both directions (from z=-c\/4 to z=c\/4, where c is the chord of the main wing element), and a periodic boundary condition is defined in both surfaces (z=-c\/4 and z=c\/4). I have done this directly in Fluent Meshing, so that the mesh coincides in both surfaces.&lt;\/p&gt;&lt;p&gt;Regarding the other extensions, the bottom figure shows them. The inlet is approximately located 10c away from the wing, the outlet 20c away from the wing, and the slip walls 10c away from the wing.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-356780","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello Federico,Thank you for your answer. The top figure is a cut with the plane z = 0. The domain is extruded in both directions (from z=-c\/4 to z=c\/4, where c is the chord of the main wing element), and a periodic boundary condition is defined in both surfaces (z=-c\/4 and z=c\/4). I have done\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/\" \/>\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 Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: High unphysical pressure fluctuations in an unsteady simulation | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello Federico,Thank you for your answer. The top figure is a cut with the plane z = 0. The domain is extruded in both directions (from z=-c\/4 to z=c\/4, where c is the chord of the main wing element), and a periodic boundary condition is defined in both surfaces (z=-c\/4 and z=c\/4). I have done\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-03-13T08:26:24+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-03-13T08:26:24+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: High unphysical pressure fluctuations in an unsteady simulation | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello Federico,Thank you for your answer. The top figure is a cut with the plane z = 0. The domain is extruded in both directions (from z=-c\/4 to z=c\/4, where c is the chord of the main wing element), and a periodic boundary condition is defined in both surfaces (z=-c\/4 and z=c\/4). I have done\" \/>\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\\\/forum\\\/forums\\\/reply\\\/356780\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/356780\\\/#listItem\",\"name\":\"Reply To: High unphysical pressure fluctuations in an unsteady simulation\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/356780\\\/#listItem\",\"position\":2,\"name\":\"Reply To: High unphysical pressure fluctuations in an unsteady simulation\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/356780\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/356780\\\/\",\"name\":\"Reply To: High unphysical pressure fluctuations in an unsteady simulation | Ansys Learning Forum\",\"description\":\"Hello Federico,Thank you for your answer. The top figure is a cut with the plane z = 0. The domain is extruded in both directions (from z=-c\\\/4 to z=c\\\/4, where c is the chord of the main wing element), and a periodic boundary condition is defined in both surfaces (z=-c\\\/4 and z=c\\\/4). 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The domain is extruded in both directions (from z=-c\/4 to z=c\/4, where c is the chord of the main wing element), and a periodic boundary condition is defined in both surfaces (z=-c\/4 and z=c\/4). I have done","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/#listItem","name":"Reply To: High unphysical pressure fluctuations in an unsteady simulation"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/#listItem","position":2,"name":"Reply To: High unphysical pressure fluctuations in an unsteady simulation","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/","name":"Reply To: High unphysical pressure fluctuations in an unsteady simulation | Ansys Learning Forum","description":"Hello Federico,Thank you for your answer. The top figure is a cut with the plane z = 0. The domain is extruded in both directions (from z=-c\/4 to z=c\/4, where c is the chord of the main wing element), and a periodic boundary condition is defined in both surfaces (z=-c\/4 and z=c\/4). I have done","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/#breadcrumblist"},"datePublished":"2024-03-13T08:26:24+00:00","dateModified":"2024-03-13T08:26:24+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Reply To: High unphysical pressure fluctuations in an unsteady simulation | Ansys Learning Forum","og:description":"Hello Federico,Thank you for your answer. The top figure is a cut with the plane z = 0. The domain is extruded in both directions (from z=-c\/4 to z=c\/4, where c is the chord of the main wing element), and a periodic boundary condition is defined in both surfaces (z=-c\/4 and z=c\/4). I have done","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/356780\/","article:published_time":"2024-03-13T08:26:24+00:00","article:modified_time":"2024-03-13T08:26:24+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: High unphysical pressure fluctuations in an unsteady simulation | Ansys Learning Forum","twitter:description":"Hello Federico,Thank you for your answer. The top figure is a cut with the plane z = 0. The domain is extruded in both directions (from z=-c\/4 to z=c\/4, where c is the chord of the main wing element), and a periodic boundary condition is defined in both surfaces (z=-c\/4 and z=c\/4). 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