[MITgcm-support] Re: Re: how to write output file? , OB*etafile, internal wave experience

[m. r. schaferkotter]

rieman;

it is dumping the files every 148800 sec as martin says.
the files names indicate the timestep number.

dumpFreq/deltaT = 148800/20 = 7440

so the dumps will be   0*7440, 1*7440, 2*7740, ...

michael

On Apr 17, 2007, at 3:31 AM, Riema Rachmayani wrote:

>
>
>
> dear martin,
>
>
> dumpFreq=148800.,
> means, that you write output every 148800 seconds.
> ==> but in my configuration :
> > # Time stepping parameters
> > &PARM03
> > niter0=0,
> > nTimeSteps=47520,
> > deltaT=20.0,
> > abEps=0.1,
> > pChkptFreq=0.0,
> > chkptFreq=0.0,
> > dumpFreq=148800.,
> > monitorFreq=2500.,
>
> the output files I have: Eta.0000000000.data, Eta.0000000000.meta,  
> Eta.0000007440.data, Eta.0000007440.meta, Eta.0000014880.data, Eta. 
> 0000014880.meta, Eta.0000022320.data, Eta.0000022320.meta,  
> etc...its mean write output every 7440 seconds, not every 148800  
> seconds just like you told me, or something I did wrong??
>
> There is no way easy way of specifying output at irregular time
> intervals that I can think of. You'll have to either store a lot and
> then only use the time slabs that you are interested in, or use
> pickups/restarts (run to say 78h, do a restart, run to 98 with hourly
> output, restart and run to 222h, etc.)
>
> ==> i'll try it martin
> other question :
> ==> i am trying to modify configuration of etafile for boundary  
> OB*etafile ( last message you told me that it has not been  
> implemented), but i still have a lot of error message that i dont  
> understand sometimes, could you give me the steps to modify it??
> ==> I have been run simulation with barotropik OB*U File for 264  
> hours simulation, linear interpolation for every deltaT=20 seconds,  
> Nx=2600, Ny=1, Nr=38, and i have 2 hours output file simulation in  
> 2 days real, seems very long of duration to have 2 hours output  
> simulation in 2 days, it is normal or something weird?? any better  
> way to make it faster??
> ==>to anybody have run internal wave simulation until get solitary  
> wave (soliton), could you give me your experience in configure the  
> code, what is the most important beside using nonhydrostatic in  
> MITgcm??
>
> thank you all,
>
> rima
>
>
>
>
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