Equation for minor radius lower limit author: P B Lloyd, CCFE, Culham Science Centre args : output structure : residual error; constraint value; residual error in physical units; output string; units string Equation for minor radius lower limit #=# physics #=#=# frminor, aplasmin and hence also optional here. Logic change during pre-factoring: err, symbol, units will be assigned only if present. frminor : input real : f-value for minor radius limit rminor : input real : plasma minor radius (m) aplasmin : input real : minimum minor radius (m)
| 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_021(tmp_cc, tmp_con, tmp_err, tmp_symbol, tmp_units)
!! Equation for minor radius lower limit
!! author: P B Lloyd, CCFE, Culham Science Centre
!! args : output structure : residual error; constraint value;
!! residual error in physical units; output string; units string
!! Equation for minor radius lower limit
!! #=# physics
!! #=#=# frminor, aplasmin
!! and hence also optional here.
!! Logic change during pre-factoring: err, symbol, units will be assigned only if present.
!! frminor : input real : f-value for minor radius limit
!! rminor : input real : plasma minor radius (m)
!! aplasmin : input real : minimum minor radius (m)
use constraint_variables, only: frminor
use physics_variables, only: rminor
use build_variables, only: aplasmin
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 - frminor * rminor/aplasmin
tmp_con = aplasmin * (1.0D0 - tmp_cc)
tmp_err = aplasmin * tmp_cc
tmp_symbol = '>'
tmp_units = ''
end subroutine constraint_eqn_021