[MITgcm-support] advection scheme

[Patrick Heimbach]

Ideally just:

cvs update -A

but I am not certain whether there are cross-dependencies
with other packages that appeared since then.
So, do keep a backup of your working version before updating ;o)

-p.

On Sep 6, 2007, at 12:47 PM, Julie Deshayes wrote:

> indeed ...
> C $Header: /u/gcmpack/MITgcm/pkg/generic_advdiff/gad_advection.F,v  
> 1.42 2006/07/18 03:23:50 heimbach Exp $
>
> what is the easiest way to update the package ?
>
> Julie
>
> Patrick Heimbach wrote:
>> Hi there,
>> ah colleagues, don't always blame the adjoint ;o)
>> (just kidding).
>> All parameter files look ok.
>> Here's my suspicion.
>> Julie, you have code that pre-dates
>> Alistair's addition of the OS7MP code.
>> That would have been January 20th, 2007:
>> http://mitgcm.org/cgi-bin/viewcvs.cgi/MITgcm/pkg/generic_advdiff/ 
>> gad_advection.F Could you check?
>> -Patrick
>> On Sep 6, 2007, at 10:43 AM, David Ferreira wrote:
>>> Julie,
>>> From a quick look at gad_advection.F, it seems that to obtain
>>> the first error you described, ALLOW_AUTODIFF_TAMC would need to
>>> be defined (so that OS7MP is skipped and you end up in the STOP).
>>> Are you using the adjoint ?
>>> david
>>>
>>>
>>> Julie Deshayes wrote:
>>>> Hi Dimitris and other MITgcm users,
>>>> Following your advice, I tried using tempAdvScheme=7. At the  
>>>> first time step of calculation, I obtained the following error  
>>>> message :
>>>> STOP GAD_ADVECTION: adv. scheme incompatibale with multi-dim  
>>>> statement executed
>>>> when adding "multiDimAdvection=.FALSE.," in my data file, I then  
>>>> have the following error message (always at first time step of  
>>>> the calculation) :
>>>> STOP GAD_CALC_RHS: Bad advectionScheme (X) statement executed
>>>> There seem to be an incompatibility in my configuration which  
>>>> impedes me from using tempAdvScheme=7. Do you have an idea which  
>>>> it may be ? at the end of this email is my full data file,  
>>>> data.pkg and packages.conf files.
>>>> thanks for your help
>>>> Julie
>>>> Dimitris Menemenlis wrote:
>>>>> Julie, you can also try Alistai's OS7MP scheme:
>>>>> tempAdvScheme=7,
>>>>> saltAdvScheme=7,
>>>>> It is much less diffusive than 33.
>>>>>
>>>>> D.
>>>>> _______________________________________________
>>>>> MITgcm-support mailing list
>>>>> MITgcm-support at mitgcm.org
>>>>> http://mitgcm.org/mailman/listinfo/mitgcm-support
>>>>>
>>>> ************************** data file
>>>> # Model parameters
>>>> #
>>>> # Continuous equation parameters
>>>>  &PARM01
>>>>  readBinaryPrec=64,
>>>>  useSingleCpuIO=.TRUE.,
>>>>  tRef=  5.35, 5.20, 5.05, 4.9, 4.75, 4.6, 4.45, 4.3, 4.15, 4.0,
>>>>  sRef=10*10.,
>>>>  rigidLid=.FALSE.,
>>>>  implicitFreeSurface=.TRUE.,
>>>>  hFacMin=0.2,
>>>>  no_slip_sides=.TRUE.,
>>>>  no_slip_bottom=.TRUE.,
>>>>  bottomDragLinear=1.e-6,
>>>>  eosType='LINEAR',
>>>>  tAlpha=2.E-4,
>>>>  sBeta =0.,
>>>>  saltStepping=.FALSE.,
>>>>  tempAdvScheme=7,
>>>>  saltAdvScheme=7,
>>>>  multiDimAdvection=.FALSE.,
>>>>  diffKhT=0.,
>>>>  diffK4T=1.E10,
>>>>  diffKzT=1.E-5,
>>>>  f0=1.0e-4,
>>>>  beta=0.E-11,
>>>> # useCDscheme=.FALSE.,
>>>>  useNHMTerms=.FALSE.,
>>>>  implicitDiffusion=.TRUE.,
>>>>  ivdc_kappa=1000.0,
>>>>  viscAz=2.E-4,
>>>>  viscAh=100.,
>>>>  &
>>>> #
>>>> # Elliptic solver parameters
>>>>  &PARM02
>>>>  cg2dMaxIters=300,
>>>>  cg2dTargetResidual=1.E-8,
>>>>  &
>>>> #
>>>> # Time stepping parameters
>>>>  &PARM03
>>>> startTime=622080000.,
>>>>  endTime=653184000.,,
>>>>  deltaT=900.0,
>>>>  abEps=0.1,
>>>>  pChkptFreq=0.0,
>>>>  chkptFreq=311040000.,
>>>>  dumpFreq=311040000.,
>>>> # taveFreq=86400.,
>>>>  cAdjFreq=0,
>>>>  &
>>>> #
>>>> # Gridding parameters
>>>>  &PARM04
>>>>  usingCartesianGrid=.TRUE.,
>>>>  usingSphericalPolarGrid=.FALSE.,
>>>>  dXspacing=10.e+3,
>>>>  dYspacing=10.e+3,
>>>>  delZ=10*100.,
>>>>  &
>>>> #
>>>> # topography, bathymetry and initial fields
>>>>  &PARM05
>>>>  bathyFile='topog_10km_obcs.bin',
>>>>  hydrogThetaFile='',
>>>>  hydrogSaltFile=,
>>>>  zonalWindFile=,
>>>>  meridWindFile=,
>>>>  uVelInitFile='',
>>>>  vVelInitFile='',
>>>>  surfQfile='Qnet_10km_obcs.bin',
>>>>  &
>>>> #
>>>> # heat flux forcing
>>>>  &PARM06
>>>>  HfluxP=360.,
>>>>  HfluxW=60.,
>>>>  qmax=1.2,
>>>>  &
>>>> ************************** data.pkg
>>>> # Packages
>>>>  &PACKAGES
>>>>  useOBCS=.TRUE.,
>>>>  usediagnostics=.TRUE.,
>>>>  &
>>>> ************************** packages.conf
>>>> generic_advdiff
>>>> obcs
>>>> diagnostics
>>>> mdsio
>>>> rw
>>>> mom_fluxform
>>>> _______________________________________________
>>>> MITgcm-support mailing list
>>>> MITgcm-support at mitgcm.org
>>>> http://mitgcm.org/mailman/listinfo/mitgcm-support
>>>
>>>
>>> _______________________________________________
>>> MITgcm-support mailing list
>>> MITgcm-support at mitgcm.org
>>> http://mitgcm.org/mailman/listinfo/mitgcm-support
>> ---
>> Patrick Heimbach | heimbach at mit.edu | http://www.mit.edu/~heimbach
>> MIT | EAPS 54-1518 | 77 Massachusetts Ave | Cambridge MA 02139 USA
>> FON +1-617-253-5259 | FAX +1-617-253-4464 | SKYPE patrick.heimbach
>> _______________________________________________
>> MITgcm-support mailing list
>> MITgcm-support at mitgcm.org
>> http://mitgcm.org/mailman/listinfo/mitgcm-support
>
> _______________________________________________
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> http://mitgcm.org/mailman/listinfo/mitgcm-support

---
Patrick Heimbach | heimbach at mit.edu | http://www.mit.edu/~heimbach
MIT | EAPS 54-1518 | 77 Massachusetts Ave | Cambridge MA 02139 USA
FON +1-617-253-5259 | FAX +1-617-253-4464 | SKYPE patrick.heimbach