[Nek5000-users] simulation termination at istep=0 with NaN

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Wed Jul 26 16:24:45 CDT 2017


Any reason why you use the old SVN version? You'll find a new one on GitHub.

-----Original message-----
> From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> Sent: Wednesday 26th July 2017 23:12
> To: nek5000-users at lists.mcs.anl.gov
> Subject: Re: [Nek5000-users] simulation termination at istep=0 with NaN
> 
> Hello, Thanks for your help. Please see below for the log file.
> 
> Ajay
> 
> 
> #######################
>  Number of processors:           8
>  REAL    wdsize      :           8
>  INTEGER wdsize      :           4
>  Timer accuracy      : 7.87E-07
>  Reading /home/ajay/nek5_svn/runs/smallcylinder/simplecylinder.rea                                                                             
> 
>  mapping elements to processors
>  Reading /home/ajay/nek5_svn/runs/smallercylinder/simpleduct.map                                                                             
>            0        2827        2827       22620       22620  NELV
>            1        2828        2828       22620       22620  NELV
>            2        2827        2827       22620       22620  NELV
>            3        2828        2828       22620       22620  NELV
>            4        2827        2827       22620       22620  NELV
>            5        2828        2828       22620       22620  NELV
>            6        2827        2827       22620       22620  NELV
>            7        2828        2828       22620       22620  NELV
>  RANK     0 IEG      73      74      75      76      77      78      79      80
>                      81      82      83      84      85      86      87      88
>                      89      90      91      92      93      94      95      96
>                      97      98      99     100     101     102     103     104
>                     105     106     107     108     109     110     111     112
> .
> .
>                   19702   19703   19704   19705   19706   19707   19708   19709
>                   19710   19711   19712   19713   19714   19715   19716   19717
>                   19718   19719   19720
>  element load imbalance:            1        2827        2828
>  done :: mapping elements to processors
>   
>            0  objects found
>  103   Parameters from file:
>    1      1.00000         p1  DENSITY
>    2     -500.000         p2  VISCOS
>    7      1.00000         p7  RHOCP
>    8      1.00000         p8  CONDUCT
>   11      10000           p11 NSTEPS
>   12      0.10000E-05     p12 DT
>   15      5               p15 IOSTEP
>   18     -20.00000        p18 GRID
>   19     -1.00000         p19 INTYPE
>   20      10.0000         p20 NORDER
>   26      1.00000         p26 COURANT/NTAU
>   27      2.00000         p27 TORDER
>   65      1.00000         p65 #iofiles (eg, 0 or 64); <0 --> sep. dirs
>   66      4.00000         p66 output : <0=ascii, else binary
>   67      4.00000         p67 restart: <0=ascii, else binary
>   93      20.0000          p93 Number of previous pressure solns saved
>   94      3.00000          p94 start projecting velocity after p94 step
>   95      5.00000          p95 start projecting pressure after p95 step
>   99      0.               p99   dealiasing: <0--> off/3--> old/4--> new
>  102      1.00000          p102   Dump out divergence at each time step
>  103     -1.00000          p103   weight of stabilizing filter (.01)
>   
>  nelgt/nelgv/lelt:       22620       22620        4800
>  lx1  /lx2  /lx3 :           4           2           4
>  done :: read .rea file   0.31992     sec
> 
>  Reset the target Courant number to .5
>  setup mesh topology
>    Right-handed check complete for   22620 elements. OK.
>    setvert3d:   4      442198      623158      442198      442198
>  call usrsetvert
>  done :: usrsetvert
> 
> gs_setup: 30559 unique labels shared
>    pairwise times (avg, min, max): 0.000139931 0.000135946 0.000145721
>    crystal router                : 0.000256464 0.000254369 0.000258589
>    all reduce                    : 0.00160212 0.00160019 0.00160458
>    used all_to_all method: pairwise
>    handle bytes (avg, min, max): 1.84397e+06 1811380 1886892
>    buffer bytes (avg, min, max): 127744 104448 159248
>    setupds time 2.7611E-01 seconds   0  4      442198       22620
>            8  max multiplicity
>  done :: setup mesh topology
>   
>  call usrdat
>  done :: usrdat
> 
>  generate geometry data
>  done :: generate geometry data
>   
>  call usrdat2
>  done :: usrdat2
> 
>  regenerate geometry data           1
>  done :: regenerate geometry data           1
>   
>  verify mesh topology
>   0.000000000000000E+000   40.0000037000000       Xrange
>  -0.999999929000000       0.999999933000000       Yrange
>  -0.999999934000000       0.999999930000000       Zrange
>  done :: verify mesh topology
>   
>  IFTRAN   = T
>  IFFLOW   = T
>  IFHEAT   = F
>  IFSPLIT  = F
>  IFLOMACH = F
>  IFUSERVP = F
>  IFUSERMV = F
>  IFSTRS   = F
>  IFCHAR   = F
>  IFCYCLIC = F
>  IFAXIS   = F
>  IFMVBD   = F
>  IFMELT   = F
>  IFMODEL  = F
>  IFKEPS   = F
>  IFMOAB   = F
>  IFNEKNEK = F
>  IFSYNC   = T
>    
>  IFVCOR   = F
>  IFINTQ   = F
>  IFCWUZ   = F
>  IFSWALL  = F
>  IFGEOM   = F
>  IFSURT   = F
>  IFWCNO   = F
>  IFCMT    = F
>  IFVISC   = F
>  IFFLTR   = F
>    
>  IFTMSH for field           1    =  F
>  IFADVC for field           1    =  T
>  IFNONL for field           1    =  F
>    
>  Dealiasing enabled, lxd=           6
>   
>  Estimated eigenvalues
>  EIGAA =    1.64699045940739     
>  EIGGA =    96667.1875918256     
>  EIGAE =   6.168501609507998E-003
>  EIGAS =   3.121097622977694E-004
>  EIGGE =    96667.1875918256     
>  EIGGS =    2.00000000000000     
>   
>  verify mesh topology
>   0.000000000000000E+000   40.0000037000000       Xrange
>  -0.999999929000000       0.999999933000000       Yrange
>  -0.999999934000000       0.999999930000000       Zrange
>  done :: verify mesh topology
>   
>   E-solver strategy:  1 itr
> 
> Matrix:   0 aa         4       4       4
>   0 aa        Infinity  -4.08542E+02   7.41342E+01   0.00000E+00
>   0 aa    -4.08542E+02   4.65569E+02  -1.31161E+02   0.00000E+00
>   0 aa     7.41342E+01  -1.31161E+02   7.04788E+01   0.00000E+00
>   0 aa     0.00000E+00   0.00000E+00   0.00000E+00   1.00000E+00
> 
> Matrix:   0 bb         4       4       4
>   0 bb             NaN   0.00000E+00   0.00000E+00   0.00000E+00
>   0 bb     0.00000E+00   2.66276E-02  -5.47992E-03   0.00000E+00
>   0 bb     0.00000E+00  -5.47992E-03   2.45184E-02   0.00000E+00
>   0 bb     0.00000E+00   0.00000E+00   0.00000E+00   1.00000E+00
>  Error in generalev, info=           3           4           1
> 
> Matrix:   0 Aeig       4       4       4
>   0 Aeig           NaN           NaN           NaN           NaN
>   0 Aeig           NaN           NaN           NaN           NaN
>   0 Aeig           NaN           NaN           NaN           NaN
>   0 Aeig           NaN           NaN           NaN           NaN
> 
> Matrix:   0 Deig       1       4       4
>   0 Deig           NaN           NaN           NaN           NaN
>  Error in generalev, info=           3           4           1
>  Error in generalev, info=           3           4           1
>  Error in generalev, info=           3           4           1
>  Error in generalev, info=           3           4           1
>  Error in generalev, info=           3           4           1
>  Error in generalev, info=           3           4           1
>  Error in generalev, info=           3           4           1
>   
> call exitt: dying ...
>   
> backtrace(): obtained 10 stack frames.
> ./nek5000() [0x6b38f9]
> ./nek5000() [0x8262fa]
> ./nek5000() [0x546de7]
> ./nek5000() [0x68bd34]
> ./nek5000() [0x66424d]
> ./nek5000() [0x40a834]
> ./nek5000() [0x408e17]
> ./nek5000() [0x408ca6]
> /lib64/libc.so.6(__libc_start_main+0xf0) [0x7fb5451ef9f0]
> ./nek5000() [0x408b29]
>   
> total elapsed time             :   2.33935E+00 sec
> total solver time incl. I/O    :   0.00000E+00 sec
> time/timestep                  :   0.00000E+00 sec
> CPU seconds/timestep/gridpt    :   0.00000E+00 sec
> 
> 
> #######################
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