[Nek5000-users] The first time step in a Nek file must contain a mesh

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

nek5000-users at lists.mcs.anl.gov a écrit :
>
> These parameters should definitely have yielded as street. Typically
> the street forms after t=100-200 convective time units.
>
> What is your lx1 value in SIZE ?
>
> What are p101 and p103 in the .rea file ?
>
> Paul
>
>
>
>> Thank you very much to both of you, these are really useful infos :)
>> But i got another question, i can visualize now the vorticity field, 
>> but i don't see any v.karman vortexes, i just see some vortexes 
>> around my circle (diameter 1) obstacle.
>> My bc are as follow : unit-diameter cylinder is centered at (0,0) in 
>> a box on [-15,35] x [-15,15]. (picked up the .rea on the ext_cyl 
>> example)
>> left : velocity inlet with 1m/s
>> right : pressure output
>> top and bottom , periodic
>> Re= 160 (>50 for the instability)
>> dt=0.01
>> End of simulation Time = 550
>> can this be because of the meshe not being tight enough ??
>> B.regards
>> Can
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lx1=10  
0.00000     p101 Number of additional modes to filter
1.00000     p102 Dump out divergence at each time step