&fortin
  rho_0 = 1.d9
  r_0   = 3.5d8
  p_0   = 1.d15
  rho_ambient = 1.0d-5
  smooth_delta = 4.d6

  center_x = 7.5d8
  center_y = 7.5d8
  center_z = 7.5d8
/

&tagging
  dengrad = 1.d6
  max_dengrad_lev = 3
/

&extern

  eos_gamma = 1.66666
  eos_assume_neutral = T

/
