[MITgcm-support] Adding multiple tracers to MITgcm

[Dhruv Balwada]

Hi Jean-Michel, 

Thanks for the suggestions. I incorporated them both. 
Here is the STDOUT output (attached file as well). 
(PID.TID 0000.0001)  PTRACERS_READPARMS: finished reading data.ptracers
(PID.TID 0000.0001)  RBCS_READPARMS: opening data.rbcs
(PID.TID 0000.0001)  OPEN_COPY_DATA_FILE: opening file data.rbcs
(PID.TID 0000.0001) // =======================================================
(PID.TID 0000.0001) // Parameter file "data.rbcs"
(PID.TID 0000.0001) // =======================================================
(PID.TID 0000.0001) > &RBCS_PARM01
(PID.TID 0000.0001) >  rbcsForcingPeriod=0.,
(PID.TID 0000.0001) >  useRBCptracers=.TRUE.,
(PID.TID 0000.0001) >  relaxMaskFile(3)='tracer_mask.bin',
(PID.TID 0000.0001) >  relaxMaskFile(4)='tracer_mask.bin',
(PID.TID 0000.0001) > &
(PID.TID 0000.0001) > &RBCS_PARM02
(PID.TID 0000.0001) >  useRBCptrnum(1)=.TRUE.,
(PID.TID 0000.0001) >  tauRelaxPTR(1)=1000.,
(PID.TID 0000.0001) >  relaxPtracerFile(1)='tracer_relax.bin',
(PID.TID 0000.0001) >  useRBCptrnum(2)=.TRUE.,
(PID.TID 0000.0001) >  tauRelaxPTR(2)=1000.,
(PID.TID 0000.0001) >  relaxPtracerFile(2)='tracer_relax.bin',
(PID.TID 0000.0001) > &
(PID.TID 0000.0001)
"STDOUT.0000" 304L, 16658C                                                                                                              304,1         Bot

I have the simulation running with one tracer. Am I supposed to define some extra flags when I use more than one tracer? 
There is no error in STDERR.0000 

Thanks,
Dhruv



> On Nov 15, 2017, at 2:50 PM, Jean-Michel Campin <jmc at mit.edu> wrote:
> 
> Hi Dhruv,
> 
> 2 (short) suggestions:
> 
> 1) rbcsForcingPeriod is a real parameter, so I would try to specify:
>>  rbcsForcingPeriod=0.,
>   instead of:
>>  rbcsForcingPeriod=0,
> 
> 2) If you want to be sure that your are getting everything written in STDOUT.#####
>  (not retained in an IO buffer and lost as the model stops) you could specify:
>  a) in "eedata":
>> debugMode=.TRUE.,
>  b) in "data", PARM01 namelist:
>> debugLevel=2,
> This will flush the IO buffer so that it should be easier to see 
> where the model stops.
> 
> Cheers,
> Jean-Michel
> 
> On Wed, Nov 15, 2017 at 01:30:37PM -0500, Dhruv Balwada wrote:
>> Hello,
>> 
>> I am doing an experiment with MITgcm using multiple tracers that are restored at a certain boundary. I am using the rbcs and ptracers package. The simulations works when I only restore one of the tracers, but when I add multiple tracers to the data.rbcs file I start getting the error - 
>> 
>> 'forrtl: severe (19): invalid reference to variable in NAMELIST input, unit 11, file /var/tmpdata/fortew5BaY, line 5, position 18
>> Image              PC                Routine            Line        Source
>> libifcore.so.5     00002B14AF4B7A28  Unknown               Unknown  Unknown
>> ???
>> 
>> I think this error implies that there is some typo in the data files, and probably in data.rbcs because that where the STDOUT stopped. However, I can???t find any thing that seems out of place. 
>> Here is the text from data.rbcs - 
>> &RBCS_PARM01
>>  rbcsForcingPeriod=0,
>>  useRBCptracers=.TRUE.,
>>  relaxMaskFile(3)='tracer_mask.bin',
>>  relaxMaskFile(4)='tracer_mask.bin',
>> &
>> &RBCS_PARM02
>>  useRBCptrnum(1)=.TRUE.,
>>  tauRelaxPTR(1)=1000.,
>>  relaxPtracerFile(1)='tracer_relax.bin',
>>  useRBCptrnum(2)=.TRUE.,
>>  tauRelaxPTR(2) =100000.,
>>  relaxPtracerFile(2)='tracer_relax.bin',
>> &
>> 
>> And here is the text from data.ptracers -
>> &PTRACERS_PARM01
>>  PTRACERS_Iter0=4147200,
>>  PTRACERS_numInUse=3,
>>  PTRACERS_names(1)='TRAC01',
>>  PTRACERS_names(2)='TRAC02',
>>  PTRACERS_names(3)='TRAC03',
>> &
>> 
>> 
>> Any suggestions would be appreciated. 
>> 
>> Thank you,
>> Dhruv 
> 
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>> MITgcm-support at mitgcm.org
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> 
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