[MITgcm-support] cg2d_init_res=NaN, cg2d_res=NaN
Matthew Mazloff
mmazloff at MIT.EDU
Tue Feb 27 17:27:16 EST 2007
Hi Julie,
I misspoke...it is unstable and blowing up somewhere. Might be your
cfl number...need to know more about your setup.
-Matt
On Feb 27, 2007, at 5:11 PM, Matthew Mazloff wrote:
> Hi Julie,
>
> The model is getting bad initial conditions somewhere/somehow.
> Maybe you could send me your data file or explain your setup better.
>
> -Matt
>
>
> On Feb 27, 2007, at 2:48 PM, Julie Deshayes wrote:
>
>> Dear MITgcm users,
>>
>> I am currently trying to make my first run with MITgcm but all the
>> output data are NaN, except for the first timestep which conforms
>> to the initial conditions. Note that my configuration passed all
>> the verification tests (./testreport -ieee) except for
>> global_ocean.cs32x15.thsice . The model runs without error (STDERR.
>> 0000 file is empty) and here are a few lines of the output.txt file :
>>
>> (PID.TID 0000.0001) Start initial hydrostatic pressure computation
>> (PID.TID 0000.0001) Pressure is predetermined for buoyancyRelation
>> OCEANIC
>> (PID.TID 0000.0001)
>> (PID.TID 0000.0001) MDSREADFIELD: opening global file: Qnet.bin
>> (PID.TID 0000.0001) //
>> =======================================================
>> (PID.TID 0000.0001) // Model current state
>> (PID.TID 0000.0001) //
>> =======================================================
>> (PID.TID 0000.0001)
>> (PID.TID 0000.0001) //
>> =======================================================
>> (PID.TID 0000.0001) // Begin MONITOR dynamic field statistics
>> (PID.TID 0000.0001) //
>> =======================================================
>> (PID.TID 0000.0001) %MON time_tsnumber
>> = 0
>> (PID.TID 0000.0001) %MON time_secondsf =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_eta_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_eta_min =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_eta_mean =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_eta_sd =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_eta_del2 =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_uvel_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_uvel_min =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_uvel_mean =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_uvel_sd =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_uvel_del2 =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_vvel_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_vvel_min =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_vvel_mean =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_vvel_sd =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_vvel_del2 =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_wvel_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_wvel_min =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_wvel_mean =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_wvel_sd =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_wvel_del2 =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_theta_max =
>> 5.3500000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_theta_min =
>> 4.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_theta_mean =
>> 4.7300718480863E+00
>> (PID.TID 0000.0001) %MON dynstat_theta_sd =
>> 4.2475300502820E-01
>> (PID.TID 0000.0001) %MON dynstat_theta_del2 =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON dynstat_salt_max =
>> 1.0000000000000E+01
>> (PID.TID 0000.0001) %MON dynstat_salt_min =
>> 1.0000000000000E+01
>> (PID.TID 0000.0001) %MON dynstat_salt_mean =
>> 1.0000000000000E+01
>> (PID.TID 0000.0001) %MON dynstat_salt_sd =
>> 1.4743761766996E-13
>> (PID.TID 0000.0001) %MON dynstat_salt_del2 =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON advcfl_uvel_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON advcfl_vvel_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON advcfl_wvel_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON advcfl_W_hf_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON pe_b_mean =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON ke_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON ke_mean =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON ke_vol =
>> 4.4227997438074E+14
>> (PID.TID 0000.0001) %MON vort_r_min =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON vort_r_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON vort_a_mean =
>> 1.0000000000000E-04
>> (PID.TID 0000.0001) %MON vort_a_sd =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON vort_p_mean =
>> 1.0429309436991E-04
>> (PID.TID 0000.0001) %MON vort_p_sd =
>> 4.8356310181416E-05
>> (PID.TID 0000.0001) %MON surfExpan_theta_mean =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON surfExpan_salt_mean =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) //
>> =======================================================
>> (PID.TID 0000.0001) // End MONITOR dynamic field statistics
>> (PID.TID 0000.0001) //
>> =======================================================
>> (PID.TID 0000.0001) cg2d_init_res
>> = NaN
>> (PID.TID 0000.0001) cg2d_iters = 1000
>> (PID.TID 0000.0001) cg2d_res
>> = NaN
>> (PID.TID 0000.0001) //
>> =======================================================
>> (PID.TID 0000.0001) // Begin MONITOR dynamic field statistics
>> (PID.TID 0000.0001) //
>> =======================================================
>> (PID.TID 0000.0001) %MON time_tsnumber
>> = 1152
>> (PID.TID 0000.0001) %MON time_secondsf =
>> 1.7280000000000E+06
>> (PID.TID 0000.0001) %MON dynstat_eta_max
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_eta_min
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_eta_mean
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_eta_sd
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_eta_del2
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_uvel_max
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_uvel_min
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_uvel_mean
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_uvel_sd
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_uvel_del2
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_vvel_max
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_vvel_min
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_vvel_mean
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_vvel_sd
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_vvel_del2
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_wvel_max
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_wvel_min
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_wvel_mean
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_wvel_sd
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_wvel_del2
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_theta_max
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_theta_min
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_theta_mean
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_theta_sd
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_theta_del2
>> = NaN
>> (PID.TID 0000.0001) %MON dynstat_salt_max =
>> 1.0000000000000E+01
>> (PID.TID 0000.0001) %MON dynstat_salt_min =
>> 1.0000000000000E+01
>> (PID.TID 0000.0001) %MON dynstat_salt_mean =
>> 1.0000000000000E+01
>> (PID.TID 0000.0001) %MON dynstat_salt_sd =
>> 1.4743761766996E-13
>> (PID.TID 0000.0001) %MON dynstat_salt_del2 =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON advcfl_uvel_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON advcfl_vvel_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON advcfl_wvel_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON advcfl_W_hf_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON pe_b_mean
>> = NaN
>> (PID.TID 0000.0001) %MON ke_max =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON ke_mean
>> = NaN
>> (PID.TID 0000.0001) %MON ke_vol =
>> 4.4227997438074E+14
>> (PID.TID 0000.0001) %MON vort_r_min =
>> 1.0000000000000E+20
>> (PID.TID 0000.0001) %MON vort_r_max =
>> -1.0000000000000E+20
>> (PID.TID 0000.0001) %MON vort_a_mean
>> = NaN
>> (PID.TID 0000.0001) %MON vort_a_sd
>> = NaN
>> (PID.TID 0000.0001) %MON vort_p_mean
>> = NaN
>> (PID.TID 0000.0001) %MON vort_p_sd =
>> 0.0000000000000E+00
>> (PID.TID 0000.0001) %MON surfExpan_theta_mean
>> = NaN
>> (PID.TID 0000.0001) %MON surfExpan_salt_mean
>> = NaN
>> (PID.TID 0000.0001) //
>> =======================================================
>> (PID.TID 0000.0001) // End MONITOR dynamic field statistics
>> (PID.TID 0000.0001) //
>> =======================================================
>>
>>
>> why does cg2d_init_res = NaN and cg2d_res = NaN ? after this time
>> step these two variables remain equal to NaN and so do most of the
>> "dynstat" variables, which may explain why I only have NaN in the
>> output files.
>>
>> ANY help is more than welcome !
>> and please let me know if you want me to send other scripts
>> regarding the simulation I am running.
>>
>> thank you in advance for your help,
>> Julie
>>
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