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lower jina rate floor #647

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lower jina rate floor #647

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954b472
[ci optional] test1: reaclib_min_T9 = 1d-4 (1d5 K)
Debraheem May 13, 2024
68bdd9e
[ci optional] fix rate test output
May 13, 2024
474f301
Merge branch 'main' into EbF/lower_jina_rate_floor
Debraheem Sep 6, 2024
a7d6526
change rate inteperpolation to logRate instead of Rate, for log-log i…
Debraheem Sep 6, 2024
a49ed93
add d0 to integer quantities to ensure dp.
Debraheem Sep 6, 2024
a724cb2
set bad values to nan, prevent arithmetic underflow
pmocz Sep 6, 2024
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30 changes: 15 additions & 15 deletions net/test/test_output
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@

eps_nuc 0.839654151E+13

d_lneps_dlnT 9.328757835
d_lneps_dlnT 9.328757799
d_lneps_dlnRho 1.009292766


Expand All @@ -34,7 +34,7 @@

eps_nuc 0.302124143E+11

d_lneps_dlnT 11.356884345
d_lneps_dlnT 11.356884263
d_lneps_dlnRho 1.015667220


Expand All @@ -59,7 +59,7 @@

eps_nuc 0.835361769E+13

d_lneps_dlnT 9.326560302
d_lneps_dlnT 9.326560266
d_lneps_dlnRho 1.009292884


Expand All @@ -84,7 +84,7 @@

eps_nuc 0.536017372E+09

d_lneps_dlnT 11.559205087
d_lneps_dlnT 11.559204995
d_lneps_dlnRho 1.013842798


Expand All @@ -109,7 +109,7 @@

eps_nuc 0.150660462E+25

d_lneps_dlnT -0.253424018
d_lneps_dlnT -0.253423995
d_lneps_dlnRho 1.008418067


Expand Down Expand Up @@ -151,7 +151,7 @@

eps_nuc 0.150660462E+25

d_lneps_dlnT -0.253424018
d_lneps_dlnT -0.253423995
d_lneps_dlnRho 1.008418067


Expand Down Expand Up @@ -194,22 +194,22 @@
test_one_zone_burn_small_net
number of species 21
large final abundances 1.0000000000000000D-02
c12 1 9.8714342254068388D-01
he4 2 1.2802186836379657D-02
c12 1 9.8714342283429213D-01
he4 2 1.2802186549072116D-02

xsum 1.0000000000006330D+00
xsum 1.0000000000005884D+00


test_one_zone_burn_const_P
number of species 21
large final abundances 1.0000000000000000D-02
o16 1 7.1798810044269901D-01
si28 2 1.6142410416068431D-01
s32 3 6.0439378324441878D-02
ar36 4 2.9692711889885499D-02
ca40 5 1.6560528697491497D-02
o16 1 7.1798810044342132D-01
si28 2 1.6142410415591638D-01
s32 3 6.0439378327693444D-02
ar36 4 2.9692711893865516D-02
ca40 5 1.6560528702223146D-02

xsum 1.0000000000000000D+00
xsum 9.9999999999999978D-01



34 changes: 23 additions & 11 deletions rates/private/rates_support.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -167,17 +167,14 @@ subroutine get_rates_from_table(r1, r2)

do i = r1,r2

rate_raw(i) = &
(rattab_f(1,k,i) + dt*(rattab_f(2,k,i) + &
dt*(rattab_f(3,k,i) + dt*rattab_f(4,k,i))) &
) * dtab(i)
rate_raw(i) = exp10(rattab_f(1,k,i) + dt*(rattab_f(2,k,i) + &
dt*(rattab_f(3,k,i) + dt*rattab_f(4,k,i))) ) * dtab(i)

rate_raw_dRho(i) = rate_raw(i) * ddtab(i) / dtab(i)
! Derivative with respect to density (dRho)
rate_raw_dRho(i) = rate_raw(i) * (ddtab(i) / dtab(i))

rate_raw_dT(i) = &
(rattab_f(2,k,i) + 2*dt*(rattab_f(3,k,i) + &
1.5d0*dt*rattab_f(4,k,i)) &
) * dtab(i) / (btemp * ln10)
! Derivative with respect to temperature (dT)
rate_raw_dT(i) = rate_raw(i) * (rattab_f(2,k,i) + 2*dt*(rattab_f(3,k,i) + 1.5d0*dt*rattab_f(4,k,i))) / (btemp)

end do

Expand All @@ -201,7 +198,7 @@ subroutine do_make_rate_tables( &
integer, intent(out) :: ierr

integer :: i, j, operr, num_to_add_to_cache,thread_num
real(dp) :: logT, btemp
real(dp) :: logT, btemp, rate_logR
real(dp), pointer :: work1(:)=>null(), f1(:)=>null(), rattab_f(:,:,:)=>null()
integer, pointer :: reaction_id(:) =>null()
real(dp), allocatable, target :: work(:,:)
Expand All @@ -211,7 +208,8 @@ subroutine do_make_rate_tables( &
include 'formats'

ierr = 0

rate_logR = 0d0

rattab_f(1:4,1:nrattab,1:num_reactions) => &
rattab_f1(1:4*nrattab*num_reactions)

Expand Down Expand Up @@ -282,6 +280,20 @@ subroutine do_make_rate_tables( &
write(*, '(a,i4,2x,a)') 'missing raw rate for ', &
j, trim(reaction_Name(reaction_id(j)))
a_okay = .false.
else
! **New Addition: Store the logarithm of the rate**
if (rattab(j, i) > 0.0_dp) then ! Only take log of positive values
rate_logR = log10(rattab(j, i))
else if (rattab(j, i) == 0.0_dp) then
rate_logR = -323d0 ! set to a tiny value that won't underflow when exponentiated
else
! warning for rates set to -1
! like rni56ec_to_co56,rco56ec_to_fe56
!write(*, '(a,i4,2x,a)') 'Warning: non-positive value for rate in ', &
! j, trim(reaction_Name(reaction_id(j)))
call set_nan(rate_logR)
end if
rattab(j, i) = rate_logR ! Store value in rattab
end if
end do
if (.not. a_okay) all_okay = .false.
Expand Down
2 changes: 1 addition & 1 deletion rates/public/rates_def.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -1150,7 +1150,7 @@ subroutine do_start_rates_def_init(ierr)
ierr = 0
call set_rattab_range(5.30102999566398d0, 10.301029995664d0)

reaclib_min_T9 = 1d-2
reaclib_min_T9 = 1d-4
! need <= 2d-3 for pre-ms li7 burning
! pre-ms deuterium burning needs much lower (4d-4)
! but that seems to cause problems during advanced burning.
Expand Down
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