Lower limit on taup/taueff the ratio of alpha particle to energy confinement times author: P B Lloyd, CCFE, Culham Science Centre args : output structure : residual error; constraint value; residual error in physical units; output string; units string Lower limit on taup/taueff the ratio of alpha particle to energy confinement times #=# physics #=#=# ftaulimit, taulimit and hence also optional here. Logic change during pre-factoring: err, symbol, units will be assigned only if present. ftaulimit : input real : f-value for lower limit on taup/taueff the ratio of alpha particle to energy confinement taup : input real : alpha particle confinement time (s) taueff : input real : global thermal energy confinement time (sec) taulimit : input real : Lower limit on taup/taueff the ratio of alpha particle to energy confinement times
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
real(kind=dp), | intent(out) | :: | tmp_cc | |||
real(kind=dp), | intent(out) | :: | tmp_con | |||
real(kind=dp), | intent(out) | :: | tmp_err | |||
character(len=1), | intent(out) | :: | tmp_symbol | |||
character(len=10), | intent(out) | :: | tmp_units |
subroutine constraint_eqn_062(tmp_cc, tmp_con, tmp_err, tmp_symbol, tmp_units)
!! Lower limit on taup/taueff the ratio of alpha particle to energy confinement times
!! author: P B Lloyd, CCFE, Culham Science Centre
!! args : output structure : residual error; constraint value;
!! residual error in physical units; output string; units string
!! Lower limit on taup/taueff the ratio of alpha particle to energy confinement times
!! #=# physics
!! #=#=# ftaulimit, taulimit
!! and hence also optional here.
!! Logic change during pre-factoring: err, symbol, units will be assigned only if present.
!! ftaulimit : input real : f-value for lower limit on taup/taueff the ratio of alpha particle to energy confinement
!! taup : input real : alpha particle confinement time (s)
!! taueff : input real : global thermal energy confinement time (sec)
!! taulimit : input real : Lower limit on taup/taueff the ratio of alpha particle to energy confinement times
use constraint_variables, only: ftaulimit, taulimit
use physics_variables, only: taup, taueff
implicit none
real(dp), intent(out) :: tmp_cc
real(dp), intent(out) :: tmp_con
real(dp), intent(out) :: tmp_err
character(len=1), intent(out) :: tmp_symbol
character(len=10), intent(out) :: tmp_units
tmp_cc = 1.0D0 - ftaulimit * (taup / taueff) / taulimit
tmp_con = taulimit
tmp_err = (taup / taueff) * tmp_cc
tmp_symbol = '>'
tmp_units = ''
end subroutine constraint_eqn_062