Line data    Source code

       1              : ! ***********************************************************************
       2              : !
       3              : !   Copyright (C) 2020-2021 The MESA Team
       4              : !
       5              : !   This program is free software: you can redistribute it and/or modify
       6              : !   it under the terms of the GNU Lesser General Public License
       7              : !   as published by the Free Software Foundation,
       8              : !   either version 3 of the License, or (at your option) any later version.
       9              : !
      10              : !   This program is distributed in the hope that it will be useful,
      11              : !   but WITHOUT ANY WARRANTY; without even the implied warranty of
      12              : !   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
      13              : !   See the GNU Lesser General Public License for more details.
      14              : !
      15              : !   You should have received a copy of the GNU Lesser General Public License
      16              : !   along with this program. If not, see <https://www.gnu.org/licenses/>.
      17              : !
      18              : ! ***********************************************************************
      19              : 
      20              :       module other_compton_opacity
      21              : 
      22              :       ! consult star/other/README for general usage instructions
      23              :       ! kap namelist option: use_other_compton_opacity = .true.
      24              :       ! procedure pointers: s% kap_rq % other_compton_opacity => my_routine
      25              : 
      26              :       use kap_def
      27              : 
      28              :       implicit none
      29              : 
      30              : 
      31              :       contains
      32              : 
      33            0 :          subroutine null_other_compton_opacity( &
      34              :             handle, &
      35              :             Rho, T, lnfree_e, d_lnfree_e_dlnRho, d_lnfree_e_dlnT, &
      36              :             eta, d_eta_dlnRho, d_eta_dlnT, &
      37              :             kap, dlnkap_dlnRho, dlnkap_dlnT, ierr)
      38              :             use const_def, only: dp
      39              :             integer, intent(in) :: handle  ! kap handle; from star, pass s% kap_handle
      40              :             real(dp), intent(in) :: Rho, T
      41              :             real(dp), intent(in) :: lnfree_e, d_lnfree_e_dlnRho, d_lnfree_e_dlnT
      42              :             ! free_e := total combined number per nucleon of free electrons and positrons
      43              :             real(dp), intent(in) :: eta, d_eta_dlnRho, d_eta_dlnT
      44              :             ! eta := electron degeneracy parameter from eos
      45              :             real(dp), intent(out) :: kap  ! electron conduction opacity
      46              :             real(dp), intent(out) :: dlnkap_dlnRho, dlnkap_dlnT
      47              :             integer, intent(out) :: ierr  ! 0 means AOK.
      48              : 
      49            0 :             write(*,*) 'no implementation for other_compton_opacity'
      50            0 :             ierr = -1
      51              : 
      52              :             ! can first call kap_lib routine to get standard results, if desired
      53              : 
      54              :             ! subroutine kap_get_compton_opacity( &
      55              :             !    handle, &
      56              :             !    Rho, T, lnfree_e, d_lnfree_e_dlnRho, d_lnfree_e_dlnT, &
      57              :             !    eta, d_eta_dlnRho, d_eta_dlnT, &
      58              :             !    kap, dlnkap_dlnRho, dlnkap_dlnT, ierr)
      59              : 
      60            0 :          end subroutine null_other_compton_opacity
      61              : 
      62              :       end module other_compton_opacity