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FDS Source: LES AFT calculation modification #15116

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Merged
cxp484 merged 3 commits into from
Sep 12, 2025
Merged

FDS Source: LES AFT calculation modification #15116

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020cf85
FDS Source: LES AFT calculation modification
cxp484 Sep 11, 2025
0430620
FDS Source: Syntax correction
cxp484 Sep 12, 2025
893fae4
Merge remote-tracking branch 'firemodels/master'
cxp484 Sep 12, 2025
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6 changes: 5 additions & 1 deletion Source/fire.f90
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Expand Up @@ -1182,13 +1182,17 @@ END SUBROUTINE CALC_ADIABATIC_FLAME_TEMPERATURE
! Calculate Reactants and products
SUBROUTINE CALC_AFT_REAC_AND_PROD(ZZ,ZZ_REAC,ZZ_PROD)
USE PHYSICAL_FUNCTIONS, ONLY: CALC_EQUIV_RATIO
USE CHEMCONS, ONLY: I_FUEL,I_CO2,I_H2O,I_O2,I_N2
USE CHEMCONS, ONLY: I_FUEL,I_CO2,I_H2O,I_O2,I_N2,USE_MIXED_ZN_AFT_TMP

REAL(EB), INTENT(IN) :: ZZ(N_TRACKED_SPECIES)
REAL(EB), INTENT(OUT) :: ZZ_REAC(N_TRACKED_SPECIES),ZZ_PROD(N_TRACKED_SPECIES)
REAL(EB) :: EQUIV, X,Y,Z,A,B,C,D,E, SUM_ZZ


CALL CALC_EQUIV_RATIO(ZZ(1:N_TRACKED_SPECIES), EQUIV)
IF (SIM_MODE /= DNS_MODE .AND. USE_MIXED_ZN_AFT_TMP) THEN
EQUIV = MAX(1.0_EB,EQUIV)
ENDIF

! Based on CxHyOz + a(O2+3.76N2) = bCO2 + cH2O + dCxHyOz + eO2 + 3.76aN2
X=SPECIES_MIXTURE(I_FUEL)%ATOMS(6) !C
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