Function adas.xxdata_08

Reads an adf08 radiative recombination rate file and returns all of its contents in a dictionary.

Parameters

file : str

full name of ADAS adf08 file

Returns

fulldata : dict

contents of the adf08 file

    'filename' :  adf08 filename
    'iz'       :  Recombined ion charge
    'iz0'      :  Nuclear charge
    'iz1'      :  Recombining ion charge
    'nprnt'    :  Total number of parents
    'nprnti'   :  Number of parents which are initial parents
    'bwnp'     :  Binding wave no. of ground parent (cm-1)
    'ipa'      :  Number of parent energy levels
    'ispa'     :  Multiplicity for parent level 'ipa()'
                  Note: (ispa-1)/2 = quantum number (sp)
    'ilpa'     :  Quantum number (lp) for parent level 'ipa()'
    'xjpa'     :  Quantum number (jp) for parent level 'ipa()'
    'wpa'      :  Energy relative to parent level 1 (cm-1)
                  for parent level 'ipa()'
    'cstrpa'   :  Nomencl./config. for parent level 'ipa()'
    'il'       :  Number of energy levels (terms) of
                  recombined ion
    'bwnr'     :  Ionisation potential (cm-1) of lowest level
                  of recombined ion
    'ia'       :  Recombined ion energy level index number
    'isa'      :  Multiplicity for recombined level 'ia()'
    'ila'      :  Quantum number (l) for recombined level 'ia()'
    'xja'      :  Quantum number (j) for recombined level 'ia()'
    'wa'       :  Energy relative to recombined level 1 (cm-1)
                  for recombined level 'ia()'
    'cstrga'   :  Nomencl./config. for recombined ion level 'ia()'
    'iprti'    :  Initial parent block index
    'isprti'   :  Initial parent block term
    'tprti'    :  Initial parent block spin multiplicity
    'radr'     :  Term selective dielec. coeffts.(cm3 s-1)
                    1st.dim: level index
                    2nd.dim: initial parent index
                    3rd.dim: temperature index
    'nte'      :  Number of temperatures
    'tea'      :  Electron temperatures (k)
    'lradr'    :  True => recombination present for level index
                  False =>              not present for level index
                    1st.dim: level index
                    2nd.dim: initial parent index

Notes

Calls a fortran based shared object file - not pure python.

References

ADAS manual description of adf08: http://www.adas.ac.uk/man/appxa-08.pdf

Version History

• Martin O'Mullane, 02-04-2024
  • First version

Example

Show the recombination rate for the 2s1 3p1 2P level of N4+ recombining to N3+.

>>> import adas as adas
>>> file='/home/adas/adas/adf08/rrc98#li/rrc98#li_n4ls.dat'
>>> fulldata = adas.xxdata_08(file)
>>> fulldata['tea'][0:24:2]
    array([  16000.,   80000.,  320000., 1600000.])
>>> fulldata['radr'][9,0,0:24:2]
    array([1.04e-13, 4.50e-14, 1.96e-14, 5.47e-15])