{"id":196157,"date":"2021-10-29T11:38:02","date_gmt":"2021-10-29T11:38:02","guid":{"rendered":"\/forum\/forums\/reply\/196157\/"},"modified":"2021-10-29T11:38:02","modified_gmt":"2021-10-29T11:38:02","slug":"196157","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196157\/","title":{"rendered":"Reply To: For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it&#8217;s sphere or cylinder."},"content":{"rendered":"<p>In 2d it&#8217;s a cylinder. If you model a semi-circle in 2d axi-symmetric it&#8217;s a sphere (sort of) but you&#8217;ll not see any asymmetry in the flow. <br \/>\nDifferences in values from analytical solutions vary, but are often mesh or comparison related. Ie for the latter are you comparing the same data?  The HTC in Fluent for an external wall is for the non-wetted side of the wall: the solver works out the heat transfer on the wet side. <\/p>\n","protected":false},"template":"","class_list":["post-196157","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=\"In 2d it&#039;s a cylinder. If you model a semi-circle in 2d axi-symmetric it&#039;s a sphere (sort of) but you&#039;ll not see any asymmetry in the flow. Differences in values from analytical solutions vary, but are often mesh or comparison related. Ie for the latter are you comparing the same data? The HTC in Fluent\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196157\/\" \/>\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: For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it\u2019s sphere or cylinder. | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"In 2d it&#039;s a cylinder. If you model a semi-circle in 2d axi-symmetric it&#039;s a sphere (sort of) but you&#039;ll not see any asymmetry in the flow. Differences in values from analytical solutions vary, but are often mesh or comparison related. Ie for the latter are you comparing the same data? The HTC in Fluent\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196157\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-10-29T11:38:02+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-10-29T11:38:02+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it\u2019s sphere or cylinder. | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"In 2d it&#039;s a cylinder. If you model a semi-circle in 2d axi-symmetric it&#039;s a sphere (sort of) but you&#039;ll not see any asymmetry in the flow. Differences in values from analytical solutions vary, but are often mesh or comparison related. Ie for the latter are you comparing the same data? The HTC in Fluent\" \/>\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\\\/196157\\\/#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\\\/196157\\\/#listItem\",\"name\":\"Reply To: For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it&#8217;s sphere or cylinder.\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/196157\\\/#listItem\",\"position\":2,\"name\":\"Reply To: For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it&#8217;s sphere or cylinder.\",\"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\\\/196157\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/196157\\\/\",\"name\":\"Reply To: For analysis of flow over cylinder or sphere in 2D- How does ANSYS knows it\\u2019s sphere or cylinder. | Ansys Learning Forum\",\"description\":\"In 2d it's a cylinder. 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