[Nek5000-users] Periodic Boundary Definition

[nek5000-users at lists.mcs.anl.gov]

Hi All,


When using nek/moab how are the periodic boundaries to be defined?


Currently I have this:


channel.h5m
1 0      1 fluid set, 0 other/solid sets
10       fluid set #10,  solid sets #0
1        Material properties -fluid set #100: MATINDX of 1, All elements: IMATIE = 1
6        no. bc sets; bc set id, bc type: (f=flux, c=convective, t=dirichlet, I=adiabatic)
100  1    P  ,
200  1    P  ,
300  1    W  ,
400  1    W  ,
500  1    P  ,
600  1    P  ,


Boundaries 100 and 200 need to be defined periodic with one another...


I have experimented with:


100  1    P  ,  200  1
200  1    P  ,  100  1


and


100  1    200  1  P  ,
200  1    100   1 P  ,


Neither of which works, is there another implementation or is periodic boundary not possible?


Thanks, Friedrich.

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