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Merged
merged 9 commits into from
Nov 24, 2025
Merged

Complete form of the SG EoS #1057

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7bd0efa
Complete form of the SG EoS
JRChreim Nov 22, 2025
62d430e
Update m_variables_conversion.fpp
JRChreim Nov 22, 2025
c00ba3d
Update m_data_output.fpp
JRChreim Nov 23, 2025
9607e33
Update m_variables_conversion.fpp
JRChreim Nov 23, 2025
50fdb51
fix debug build
wilfonba Nov 23, 2025
ec8834a
correct roe average of qv
wilfonba Nov 23, 2025
d7fd48f
fix acc build
wilfonba Nov 23, 2025
98ce554
Update m_riemann_solvers.fpp
JRChreim Nov 23, 2025
7e030b8
Update m_riemann_solvers.fpp
JRChreim Nov 24, 2025
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8 changes: 4 additions & 4 deletions src/common/m_variables_conversion.fpp
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Expand Up @@ -1601,12 +1601,12 @@ contains
end subroutine s_finalize_variables_conversion_module

#ifndef MFC_PRE_PROCESS
subroutine s_compute_speed_of_sound(pres, rho, gamma, pi_inf, H, adv, vel_sum, c_c, c)
subroutine s_compute_speed_of_sound(pres, rho, gamma, pi_inf, H, adv, vel_sum, c_c, c, qv)
$:GPU_ROUTINE(function_name='s_compute_speed_of_sound', &
& parallelism='[seq]', cray_inline=True)

real(wp), intent(in) :: pres
real(wp), intent(in) :: rho, gamma, pi_inf
real(wp), intent(in) :: rho, gamma, pi_inf, qv
real(wp), intent(in) :: H
real(wp), dimension(num_fluids), intent(in) :: adv
real(wp), intent(in) :: vel_sum
Expand Down Expand Up @@ -1642,7 +1642,7 @@ contains
end do
c = c/rho
elseif (((model_eqns == 4) .or. (model_eqns == 2 .and. bubbles_euler))) then
! Sound speed for bubble mmixture to order O(\alpha)
! Sound speed for bubble mixture to order O(\alpha)

if (mpp_lim .and. (num_fluids > 1)) then
c = (1._wp/gamma + 1._wp)* &
Expand All @@ -1654,7 +1654,7 @@ contains
(rho*(1._wp - adv(num_fluids)))
end if
else
c = ((H - 5.e-1*vel_sum)/gamma)
c = (H - 5.e-1*vel_sum - qv/rho)/gamma
end if

if (mixture_err .and. c < 0._wp) then
Expand Down
8 changes: 5 additions & 3 deletions src/post_process/m_data_output.fpp
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Expand Up @@ -1582,7 +1582,7 @@ contains
impure subroutine s_write_energy_data_file(q_prim_vf, q_cons_vf)
type(scalar_field), dimension(sys_size), intent(IN) :: q_prim_vf, q_cons_vf
real(wp) :: Elk, Egk, Elp, Egint, Vb, Vl, pres_av, Et
real(wp) :: rho, pres, dV, tmp, gamma, pi_inf, MaxMa, MaxMa_glb, maxvel, c, Ma, H
real(wp) :: rho, pres, dV, tmp, gamma, pi_inf, MaxMa, MaxMa_glb, maxvel, c, Ma, H, qv
real(wp), dimension(num_vels) :: vel
real(wp), dimension(num_fluids) :: adv
integer :: i, j, k, l, s !looping indices
Expand Down Expand Up @@ -1610,6 +1610,7 @@ contains
rho = 0._wp
gamma = 0._wp
pi_inf = 0._wp
qv = 0._wp
pres = q_prim_vf(E_idx)%sf(i, j, k)
Egint = Egint + q_prim_vf(E_idx + 2)%sf(i, j, k)*(fluid_pp(2)%gamma*pres)*dV
do s = 1, num_vels
Expand All @@ -1625,13 +1626,14 @@ contains
gamma = gamma + adv(l)*fluid_pp(l)%gamma
pi_inf = pi_inf + adv(l)*fluid_pp(l)%pi_inf
rho = rho + adv(l)*q_prim_vf(l)%sf(i, j, k)
qv = qv + adv(l)*q_prim_vf(l)%sf(i, j, k)*fluid_pp(l)%qv
end do

H = ((gamma + 1._wp)*pres + pi_inf)/rho
H = ((gamma + 1._wp)*pres + pi_inf + qv)/rho

call s_compute_speed_of_sound(pres, rho, &
gamma, pi_inf, &
H, adv, 0._wp, 0._wp, c)
H, adv, 0._wp, 0._wp, c, qv)

Ma = maxvel/c
if (Ma > MaxMa .and. (adv(1) > (1.0_wp - 1.0e-10_wp))) then
Expand Down
2 changes: 1 addition & 1 deletion src/post_process/m_start_up.fpp
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Expand Up @@ -700,7 +700,7 @@ contains

call s_compute_speed_of_sound(pres, rho_sf(i, j, k), &
gamma_sf(i, j, k), pi_inf_sf(i, j, k), &
H, adv, 0._wp, 0._wp, c)
H, adv, 0._wp, 0._wp, c, qv_sf(i, j, k))

q_sf(i, j, k) = c
end do
Expand Down
4 changes: 4 additions & 0 deletions src/simulation/include/inline_riemann.fpp
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Expand Up @@ -8,6 +8,7 @@

H_avg = 5.e-1_wp*(H_L + H_R)
gamma_avg = 5.e-1_wp*(gamma_L + gamma_R)
qv_avg = 5.e-1_wp*(qv_L + qv_R)

#:enddef arithmetic_avg

Expand All @@ -32,6 +33,9 @@
vel_avg_rms = (sqrt(rho_L)*vel_L(1) + sqrt(rho_R)*vel_R(1))**2._wp/ &
(sqrt(rho_L) + sqrt(rho_R))**2._wp

qv_avg = (sqrt(rho_L)*qv_L + sqrt(rho_R)*qv_R)/ &
(sqrt(rho_L) + sqrt(rho_R))

if (chemistry) then
eps = 0.001_wp
call get_species_enthalpies_rt(T_L, h_iL)
Expand Down
2 changes: 1 addition & 1 deletion src/simulation/m_cbc.fpp
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Expand Up @@ -854,7 +854,7 @@ contains
H = (E + pres)/rho

! Compute mixture sound speed
call s_compute_speed_of_sound(pres, rho, gamma, pi_inf, H, adv_local, vel_K_sum, 0._wp, c)
call s_compute_speed_of_sound(pres, rho, gamma, pi_inf, H, adv_local, vel_K_sum, 0._wp, c, qv)

! First-Order Spatial Derivatives of Primitive Variables

Expand Down
13 changes: 7 additions & 6 deletions src/simulation/m_data_output.fpp
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Expand Up @@ -273,19 +273,20 @@ contains
real(wp), dimension(num_fluids) :: alpha !< Cell-avg. volume fraction
real(wp) :: gamma !< Cell-avg. sp. heat ratio
real(wp) :: pi_inf !< Cell-avg. liquid stiffness function
real(wp) :: qv !< Cell-avg. internal energy reference value
real(wp) :: c !< Cell-avg. sound speed
real(wp) :: H !< Cell-avg. enthalpy
real(wp), dimension(2) :: Re !< Cell-avg. Reynolds numbers
integer :: j, k, l

! Computing Stability Criteria at Current Time-step
$:GPU_PARALLEL_LOOP(collapse=3, private='[j,k,l,vel, alpha, Re, rho, vel_sum, pres, gamma, pi_inf, c, H]')
$:GPU_PARALLEL_LOOP(collapse=3, private='[j,k,l,vel, alpha, Re, rho, vel_sum, pres, gamma, pi_inf, c, H, qv]')
do l = 0, p
do k = 0, n
do j = 0, m
call s_compute_enthalpy(q_prim_vf, pres, rho, gamma, pi_inf, Re, H, alpha, vel, vel_sum, j, k, l)
call s_compute_enthalpy(q_prim_vf, pres, rho, gamma, pi_inf, Re, H, alpha, vel, vel_sum, qv, j, k, l)

call s_compute_speed_of_sound(pres, rho, gamma, pi_inf, H, alpha, vel_sum, 0._wp, c)
call s_compute_speed_of_sound(pres, rho, gamma, pi_inf, H, alpha, vel_sum, 0._wp, c, qv)

if (viscous) then
call s_compute_stability_from_dt(vel, c, rho, Re, j, k, l, icfl_sf, vcfl_sf, Rc_sf)
Expand Down Expand Up @@ -1292,7 +1293,7 @@ contains

! Compute mixture sound Speed
call s_compute_speed_of_sound(pres, rho, gamma, pi_inf, &
((gamma + 1._wp)*pres + pi_inf)/rho, alpha, 0._wp, 0._wp, c)
((gamma + 1._wp)*pres + pi_inf)/rho, alpha, 0._wp, 0._wp, c, qv)

accel = accel_mag(j - 2, k, l)
end if
Expand Down Expand Up @@ -1382,7 +1383,7 @@ contains
end if
! Compute mixture sound speed
call s_compute_speed_of_sound(pres, rho, gamma, pi_inf, &
((gamma + 1._wp)*pres + pi_inf)/rho, alpha, 0._wp, 0._wp, c)
((gamma + 1._wp)*pres + pi_inf)/rho, alpha, 0._wp, 0._wp, c, qv)

end if
end if
Expand Down Expand Up @@ -1447,7 +1448,7 @@ contains

! Compute mixture sound speed
call s_compute_speed_of_sound(pres, rho, gamma, pi_inf, &
((gamma + 1._wp)*pres + pi_inf)/rho, alpha, 0._wp, 0._wp, c)
((gamma + 1._wp)*pres + pi_inf)/rho, alpha, 0._wp, 0._wp, c, qv)

accel = accel_mag(j - 2, k - 2, l - 2)
end if
Expand Down
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