[MITgcm-support] how many timesteps?
Edward Doddridge
edward.doddridge at magd.ox.ac.uk
Tue Mar 3 07:22:25 EST 2015
Hi Jonny,
The STDERR.00* files should show you how many iterations the model ran for before it died. Here's an example from a run that stopped after 20 timesteps.
(PID.TID 0000.0001) SOLUTION IS HEADING OUT OF BOUNDS: tMin,tMax= -1.255E+03 1.589E+03
(PID.TID 0000.0001) exceeds allowed range (monSolutionMaxRange= 1.000E+03)
(PID.TID 0000.0001) MON_SOLUTION: STOPPING CALCULATION at Iter= 20
(PID.TID 0000.0001) *** ERROR *** S/R ALL_PROC_DIE: ending the run
If you want to monitor how a run is going before it dies, the monitor package is the easiest way I know of. "monitorFreq" in PARAM03 in the data file sets the frequency of the output. It's a very cheap way to dump data regularly. If you know deltaT and the monitorFreq, then you can work out the number of iterations the model has done.
Best,
Ed
________________________________
Edward Doddridge
Doctoral Student
Atmospheric, Oceanic and Planetary Physics
University of Oxford
www.doddridge.me
________________________________________
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Today's Topics:
1. documentation for longwave flux partition in
pkg/aim_v23/phy_radiat.F ?? (Rose, Brian)
2. how many timesteps? (Jonny Williams)
3. Re: how many timesteps? (Peng Zhan)
4. Re: how many timesteps? (Jonny Williams)
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Message: 1
Date: Mon, 2 Mar 2015 19:35:42 +0000
From: "Rose, Brian" <brose at albany.edu>
To: "mitgcm-support at mitgcm.org" <mitgcm-support at mitgcm.org>
Subject: [MITgcm-support] documentation for longwave flux partition in
pkg/aim_v23/phy_radiat.F ??
Message-ID: <26A46CA0-5A88-44F3-B1AF-016853E5E880 at albany.edu>
Content-Type: text/plain; charset="us-ascii"
Hi all,
I'm trying to understand how the longwave emissions are partitioned across the four spectral bands in pkg/aim_v23.
In pkg/aim_v23/phy_radiat.F
there is a SUBROUTINE RADSET
that gets called during initialization. As far as I can tell, this is building a lookup table for the partition as a function of temperature.
When the longwave code in SUBROUTINE RADLW is called during the model run, the partition is set by a call to this table with the current layer temperature.
My problem is that I don't understand the formula that is implemented in SUBROUTINE RADSET
I guess it must be a polynomial approximation to band integrals of the Planck function. But I can't find any documentation about it, either in the MITgcm code or in the SPEEDY documentation.
Anyone have any insight?
Thanks
Brian
|--------------------------------------------------------------------------------------------------------------------------------------|
Brian E. J. Rose
Assistant Professor
Atmospheric & Environmental Sciences
University at Albany
Earth Sciences 315
(518) 442-4477
http://www.atmos.albany.edu/facstaff/brose/
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Message: 2
Date: Tue, 3 Mar 2015 11:26:45 +0000
From: Jonny Williams <Jonny.Williams at bristol.ac.uk>
To: MITgcm Support <mitgcm-support at mitgcm.org>
Subject: [MITgcm-support] how many timesteps?
Message-ID:
<CAA-NaP5WHYYFj4jLVpQM+AaTfndD0ONGQy2uZWSDPGsWECadfg at mail.gmail.com>
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Hi there
Is there an easy way to find out how many timesteps (multiple of deltaT in
the data file) a model has run either during or at the end of a run?
Thanks!
Jonny
--
Dr Jonny Williams
School of Geographical Sciences
Cabot Institute
University of Bristol
BS8 1SS
+44 (0)117 3318352
jonny.williams at bristol.ac.uk
http://www.bristol.ac.uk/geography/people/jonny-h-williams
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Message: 3
Date: Tue, 3 Mar 2015 14:41:21 +0300
From: Peng Zhan <peng.zhan at kaust.edu.sa>
To: mitgcm-support at mitgcm.org
Subject: Re: [MITgcm-support] how many timesteps?
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<CAO9D-RBwi3Sje4=48ciBq4eJyh2uS+c+6RSZHYEZb-nPWEXS=w at mail.gmail.com>
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Hi Jonny,
It shows there in the name of each output files.
Peng
?
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Message: 4
Date: Tue, 3 Mar 2015 12:01:57 +0000
From: Jonny Williams <Jonny.Williams at bristol.ac.uk>
To: MITgcm Support <mitgcm-support at mitgcm.org>
Subject: Re: [MITgcm-support] how many timesteps?
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Thanks for this Peng
I am only outputting data rarely however and therefore if a run ends midway
between outputs then I do not currently know precisely how many timesteps
the jobs has run for.
Thanks again
Jonny
On 3 March 2015 at 11:41, Peng Zhan <peng.zhan at kaust.edu.sa> wrote:
> Hi Jonny,
> It shows there in the name of each output files.
> Peng
> ?
>
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--
Dr Jonny Williams
School of Geographical Sciences
Cabot Institute
University of Bristol
BS8 1SS
+44 (0)117 3318352
jonny.williams at bristol.ac.uk
http://www.bristol.ac.uk/geography/people/jonny-h-williams
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