Equation for first wall temperature upper 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 first wall temperature upper limit #=# fwbs #=#=# ftpeak, tfwmatmax and hence also optional here. Logic change during pre-factoring: err, symbol, units will be assigned only if present. ftpeak : input real : f-value for first wall peak temperature tfwmatmax : input real : maximum temperature of first wall material (K) (secondary_cycle>1) tpeak : input real : peak first wall temperature (K)
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_039(tmp_cc, tmp_con, tmp_err, tmp_symbol, tmp_units)
!! Equation for first wall temperature upper 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 first wall temperature upper limit
!! #=# fwbs
!! #=#=# ftpeak, tfwmatmax
!! and hence also optional here.
!! Logic change during pre-factoring: err, symbol, units will be assigned only if present.
!! ftpeak : input real : f-value for first wall peak temperature
!! tfwmatmax : input real : maximum temperature of first wall material (K) (secondary_cycle>1)
!! tpeak : input real : peak first wall temperature (K)
use constraint_variables, only: ftpeak
use fwbs_variables, only: tfwmatmax, tpeak
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
! If the temperature peak == 0 then report an error
if (tpeak < 1.0D0) call report_error(5)
tmp_cc = 1.0D0 - ftpeak * tfwmatmax/tpeak
tmp_con = tfwmatmax * (1.0D0 - tmp_cc)
tmp_err = tpeak * tmp_cc
tmp_symbol = '<'
tmp_units = 'K'
end subroutine constraint_eqn_039