TAGGED: expressions, fluent, y-plus
January 26, 2021 at 3:04 pmMarkASubscriberHello all,I'm trying to figure out a way to determine the maximum y+ value on a wall in Fluent by means of an expression. The problem that I currently face is that the expression:nmax(WallYPlus) nis not single-valued, which makes sense since I don't specify a location on which to find the maximum y+ value. However, the syntax for max is max(
), so no location can be specified as input. Therefore I was wondering if I'm missing something here.nThe other problem that I am facing is that I cannot find the x- and y-coordinates of the point at which the y+ value is maximum within Fluent. I managed to do this in CFD-post by following this post (https://forum.ansys.com/discussion/634/finding-coordinates), but obviously, this is a lot of work when numerous design points are created. Therefore I was wondering whether there is a solution within Fluent that can provide some kind of automation, ideally to get maximum y+ values and it's x- and y-coordinates as output parameters.nThanks in advance.n
January 26, 2021 at 4:16 pmRobAnsys EmployeeYou can use the Report Definitions for facet maximum to get the maximum y+ on any/all walls that you include in the definition. Not sure about finding the coordinates of that facet though. may know. nIn Fluent we're adding Expression functionality, where they're not available we're still using a mix of Custom Field Functions, Reports and UDFs. Even when the Expression implementation is complete we'll use UDFs for certain applications. n
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