[FLASH-USERS] Helmhotlz EOS question

Jenks, Malia T. mjenks at ou.edu
Wed May 3 17:02:52 EDT 2017


I am getting the following error from the helmholtz eos about negative pressure:

 [eos_helm] Negative total pressure.
   values: dens,temp:   2.321442471007820E-004   1549.01220000000

   values: abar,zbar:                 Infinity                     NaN

   coulomb coupling parameter Gamma:                      NaN

  Prad   1.45198E-02 Pion  0.00000E+00 Pele           NaN Pcoul  0.00000E+00

  Ptot            NaN df_d    8.31451E+21


I know that the initial mass fraction supplied to the eos is correct. The initial call of the eos sets abar and zbar correctly. I am not sure what is causing them to error. I also don't know why I am getting a NaN for the electron Pressure. Could anyone help point me to what is going wrong and how I can solve it?

Thanks,

Malia Jenks

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