# cyclic boundaries

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 May 30, 2007, 10:04 cyclic boundaries #1 gosia stein Guest   Posts: n/a hi i've been trying to set the CYCLIC BOUNDARIES for the 30*-piece of a burner but the only thing i've been receiving is the message that CYCLIC BOUNDARIES ARE NOT MATCHED; i'd be grateful for any hints thx in advance

 May 30, 2007, 23:31 Re: cyclic boundaries #2 Mac Guest   Posts: n/a Hi check if the sector you have considered is correct. Also check if the cyclic boundaries are planar.

 June 2, 2007, 09:22 Re: cyclic boundaries #3 gosia stein Guest   Posts: n/a hi, thx a lot; could u give me a hint where to check if they are planar?? i can't find such option; i'm following the algorithm from tutorial 9.1; problem appears whenever i'm trying to choose plane at -Y; output indicates than around 10000 cells more than at +Y although the walls are absolutely identic and each of them is composed of 20664 cells;

 June 4, 2007, 03:51 Re: cyclic boundaries #4 Anton Lyaskin Guest   Posts: n/a Try to play with matching tolerance (0.01 sometimes helps). Also check that you list the regions in the proper order, i.e. try to set distance to -30 degrees instead of 30.

 June 9, 2007, 21:59 Re: cyclic boundaries #5 cfddummy Guest   Posts: n/a hi may be you can try to delete all the cyclic boundaries and redefine them again? I think you might have mistakenly defined the cyclic boundaries a few times without noticing it.

 June 13, 2007, 07:39 Re: cyclic boundaries #6 gosia stein Guest   Posts: n/a thx a lot everybody; the problem was in the lack of minus in front of the number for DY in cyclic set match (i'm working on the version 3.15A)

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