{"id":392987,"date":"2024-11-06T14:02:17","date_gmt":"2024-11-06T14:02:17","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-available-variables-for-expressions-in-2d-axisymmetrical-swirl-case\/"},"modified":"2024-11-06T14:02:17","modified_gmt":"2024-11-06T14:02:17","slug":"fluent-available-variables-for-expressions-in-2d-axisymmetrical-swirl-case","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-available-variables-for-expressions-in-2d-axisymmetrical-swirl-case\/","title":{"rendered":"Fluent &#8211; Available Variables for Expressions in 2D Axisymmetrical Swirl Case"},"content":{"rendered":"<p>&lt;p&gt;I&#8217;m having trouble calculating swirl number in a 2D axisymmetrical swirl case. I need to access the swirl component of the velocity, which is not possible in the named expressions window. The velocity.z component (in my case corresponding to the circumferential component) is zero at every point in the domain. The Fluent User Guid (5.5 Appendix: Supported Field Variables) says &#8216;TangentialVelocity&#8217; should be accessible. This is not the case for me.&lt;\/p&gt;&lt;p&gt;On the other hand, &#8216;Swirl Velocity&#8217; is accessible for a contour plot. So it is actually calculated by the solver. Do I need to transfer or save the results to be able to use them in an expression?&lt;\/p&gt;&lt;p&gt;If this is not possible, what are my alternatives?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-392987","topic","type-topic","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=\"I&#039;m having trouble calculating swirl number in a 2D axisymmetrical swirl case. I need to access the swirl component of the velocity, which is not possible in the named expressions window. The velocity.z component (in my case corresponding to the circumferential component) is zero at every point in the domain. The Fluent User Guid (5.5\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-available-variables-for-expressions-in-2d-axisymmetrical-swirl-case\/\" \/>\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=\"Fluent \u2013 Available Variables for Expressions in 2D Axisymmetrical Swirl Case | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I&#039;m having trouble calculating swirl number in a 2D axisymmetrical swirl case. I need to access the swirl component of the velocity, which is not possible in the named expressions window. The velocity.z component (in my case corresponding to the circumferential component) is zero at every point in the domain. The Fluent User Guid (5.5\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-available-variables-for-expressions-in-2d-axisymmetrical-swirl-case\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-06T14:02:17+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-06T14:02:17+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Fluent \u2013 Available Variables for Expressions in 2D Axisymmetrical Swirl Case | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I&#039;m having trouble calculating swirl number in a 2D axisymmetrical swirl case. I need to access the swirl component of the velocity, which is not possible in the named expressions window. The velocity.z component (in my case corresponding to the circumferential component) is zero at every point in the domain. 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I need to access the swirl component of the velocity, which is not possible in the named expressions window. The velocity.z component (in my case corresponding to the circumferential component) is zero at every point in the domain. 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