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[FAQ]

Fluent does not allow to separate faces of a boundary which is adjacent to an adapted mesh. Fluent’s “tpoly” utility can be used to convert an adapted mesh into a polyhedral mesh. Face separation operation can then be performed on the resultant polyhedral mesh. Steps: This procedure was tested on a simple hex mesh. 1)Read the mesh file into a serial Fluent version and make all the necessary adaptions. 2)Save the case file. 3)Open a command prompt and issue the following command while in the current working directory. utility tpoly input.cas output.cas •This command removes all hanging nodes from the adapted case file input.cas and creates polyhedral cells for those cells which contained hanging-nodes. Output file is written as output.cas. •Note: If the above command is unrecognizable, please try using the full path. For example, for Windows: “C:Program FilesANSYS Incv160fluentntbinwin64utility.exe” tpoly input.cas output.cas 4)Read the case file output.cas in a new serial session, make the face-separations and set up the rest of the case. Save the case file. This file can now be loaded into a new serial or a parallel session.