Equation for burn time 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 burn time lower limit #=# times #=#=# ftburn, tbrnmn and hence also optional here. Logic change during pre-factoring: err, symbol, units will be assigned only if present. ftburn : input real : f-value for minimum burn time tburn : input real : burn time (s) (calculated if lpulse=1) tbrnmn : input real : minimum burn time (s)
| 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_013(tmp_cc, tmp_con, tmp_err, tmp_symbol, tmp_units)
!! Equation for burn time 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 burn time lower limit
!! #=# times
!! #=#=# ftburn, tbrnmn
!! and hence also optional here.
!! Logic change during pre-factoring: err, symbol, units will be assigned only if present.
!! ftburn : input real : f-value for minimum burn time
!! tburn : input real : burn time (s) (calculated if lpulse=1)
!! tbrnmn : input real : minimum burn time (s)
use constraint_variables, only: ftburn,tbrnmn
use times_variables, only: tburn
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 - ftburn * tburn/tbrnmn
tmp_con = tbrnmn / ftburn
tmp_err = tbrnmn / ftburn - tburn
tmp_symbol = '>'
tmp_units = 'sec'
end subroutine constraint_eqn_013