Skip to content

FDS Source: tweak experimental ember snag model so embers can catch o… #14745

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ericvmueller merged 1 commit into from
Jun 5, 2025
Merged

FDS Source: tweak experimental ember snag model so embers can catch o… #14745

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 4 additions & 4 deletions Source/part.f90
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2710,12 +2710,11 @@ SUBROUTINE MOVE_IN_GAS
! experimental ember snag model
IF (LP%EMBER .AND. LPC%EMBER_SNAG_FACTOR>0._EB) THEN
STUCK=.FALSE.
! constrain max packing ratio to 1
EMBER_PACKING_RATIO = MIN(1._EB, EMBER_VOLUME * LP%PWT * LP%RVC)
! constrain packing ratio between 0 and 1
EMBER_PACKING_RATIO = MAX(MIN(1._EB, EMBER_VOLUME * LP%PWT * LP%RVC),0._EB)
LOCAL_PACKING_RATIO = 0._EB
LPC2_LOOP: DO N_LPC2=1,N_LAGRANGIAN_CLASSES
LPC2 => LAGRANGIAN_PARTICLE_CLASS(N_LPC2)
IF (LPC2%ARRAY_INDEX == LPC%ARRAY_INDEX) CYCLE LPC2_LOOP
IF (AVG_DROP_RAD(IIG_OLD,JJG_OLD,KKG_OLD,LPC2%ARRAY_INDEX)<TWO_EPSILON_EB) CYCLE LPC2_LOOP
SELECT CASE(SURFACE(LPC2%SURF_INDEX)%GEOMETRY)
CASE(SURF_CARTESIAN)
Expand All @@ -2728,7 +2727,8 @@ SUBROUTINE MOVE_IN_GAS
LOCAL_PACKING_RATIO = LOCAL_PACKING_RATIO + AVG_DROP_AREA(IIG_OLD,JJG_OLD,KKG_OLD,LPC2%ARRAY_INDEX)*&
AVG_DROP_RAD(IIG_OLD,JJG_OLD,KKG_OLD,LPC2%ARRAY_INDEX)*LPC_GEOM_FACTOR
ENDDO LPC2_LOOP
LOCAL_PACKING_RATIO = MIN(1._EB, LOCAL_PACKING_RATIO)
LOCAL_PACKING_RATIO = LOCAL_PACKING_RATIO - EMBER_PACKING_RATIO
LOCAL_PACKING_RATIO = MAX(MIN(1._EB, LOCAL_PACKING_RATIO),0._EB)
CALL RANDOM_NUMBER(RN)
IF (LOCAL_PACKING_RATIO>TWO_EPSILON_EB .AND. &
RN<(LOCAL_PACKING_RATIO*EMBER_PACKING_RATIO)**LPC%EMBER_SNAG_FACTOR) THEN
Expand Down
Loading