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