[MITgcm-support] cg2d_init_res=NaN, cg2d_res=NaN

Matthew Mazloff mmazloff at MIT.EDU
Tue Feb 27 17:11:19 EST 2007


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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