[FLASH-USERS] Fwd: Re: Newton-Raphson failure in LaserSlab simulation

Milad Fatenejad milad at flash.uchicago.edu
Fri Mar 9 18:30:59 EST 2012


Hi Wen:

Can you please send the setup line you used for this simulation. Also, can
you please attach and send the lasslab.log file?

Thanks
Milad

On Mar 8, 2012 6:41 PM, "Wen Fu" <Wen.Fu at rice.edu> wrote:
>
> Hi,
>
> I was using flash4b to run the LaserSlab simulation as demonstrated in
the user guide. The run broke down after about 66 cycles with the following
error message. Does anybody have an idea on how to fix this error? Thanks.
>
> Best,
> Wen
>
> ******************
> Newton-Raphson failed in routine multiTemp Gamma Eos
> MODE_DENS_EI_ELE
> INPUTS:
> mass density                      =    1.000000000000000E-10
> electron specific internal energy =    0.000000000000000E+00
>
> CURRENT ITERATION:
> electron specific internal energy =    3.411946073504048E+11
> electron temperature              =    8.499780333547295E+03
> mass fractions:
>     1   4.311716154020317E-02
>     2   9.568828384597968E-01
>
>  too many iterations
>
>  k    =            1           1          16
>  temp =    8499.78033354729
>  dens =   1.000000000000000E-010
>  pres =    4.40747422196855
>
>  Driver_abort called. See log file for details.
>  Error message is [Eos] Error: too many iteration in Newton-Raphson
>  Calling MPI_Abort() for shutdown in   2 seconds!
> ******************
>
>
>
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