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FDS Source: make level set flux limiter flags consistent with other s… #14689

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Merged
ericvmueller merged 1 commit into from
May 23, 2025
Merged

FDS Source: make level set flux limiter flags consistent with other s… #14689

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10 changes: 5 additions & 5 deletions Source/vege.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -197,9 +197,9 @@ SUBROUTINE INITIALIZE_LEVEL_SET_FIRESPREAD_2(NM,MODE)
LSET_TAN2 = .FALSE. ! Flag for ROS proportional to Tan(slope)^2

! Flux limiters
! LIMITER_LS=1 MINMOD
! LIMITER_LS=1 First order upwinding
! LIMITER_LS=2 SUPERBEE
! LIMITER_LS=3 First order upwinding
! LIMITER_LS=3 MINMOD

LIMITER_LS = I_FLUX_LIMITER
IF (LIMITER_LS > 3) LIMITER_LS = 1
Expand Down Expand Up @@ -1042,7 +1042,7 @@ END SUBROUTINE LEVEL_SET_ADVECT_FLUX
!>
!> \param SR_XY If positive, indicates that flow is from left to right
!> \param Z Scalar quantity
!> \param LIMITER Flux limiter (1) MINMOD, (2) SUPERBEE, (3) first-order upwinding (monotone)
!> \param LIMITER Flux limiter (1) first-order upwinding (monotone), (2) SUPERBEE, (3) MINMOD
!> \details
! face
! | o | o | o | o |
Expand Down Expand Up @@ -1081,11 +1081,11 @@ REAL(EB) FUNCTION SCALAR_FACE_VALUE_LS(SR_XY,Z,LIMITER)
ENDIF

IF (LIMITER==1) THEN
B = MAX(0._EB,MIN(1._EB,R))
B = 0._EB
ELSEIF (LIMITER==2) THEN
B = MAX(0._EB,MIN(2._EB*R,1._EB),MIN(R,2._EB))
ELSEIF (LIMITER==3) THEN
B = 0._EB
B = MAX(0._EB,MIN(1._EB,R))
ENDIF

SCALAR_FACE_VALUE_LS = ZUP + 0.5_EB * B * ( ZDWN - ZUP )
Expand Down
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