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Centrifugal Buoyancy Term #7

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Merged
ygaillard merged 1 commit into from
Feb 11, 2025
Merged

Centrifugal Buoyancy Term #7

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7 changes: 4 additions & 3 deletions src/Namelists.f90
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Expand Up @@ -77,7 +77,7 @@ subroutine readNamelists(tscheme)
& mpi_transp,l_adv_curl,mpi_packing

namelist/phys_param/ &
& ra,rae,raxi,pr,sc,prmag,ek,epsc0,epscxi0,radratio,Bn, &
& ra,rae,raxi,pr,sc,prmag,ek,gamma,epsc0,epscxi0,radratio,Bn, &
& ktops,kbots,ktopv,kbotv,ktopb,kbotb,kbotxi,ktopxi, &
& s_top,s_bot,impS,sCMB,xi_top,xi_bot,impXi,xiCMB, &
& nVarCond,con_DecRate,con_RadRatio,con_LambdaMatch, &
Expand Down Expand Up @@ -551,7 +551,7 @@ subroutine readNamelists(tscheme)
end if

!-- If dilution factor is not zero, then centrifugal force on
if (dilution_fac == 0.0_cp) then
if (dilution_fac == 0.0_cp .and. (l_non_rot .or. gamma == 0.0_cp)) then
l_centrifuge = .false.
else
l_centrifuge = .true.
Expand All @@ -574,7 +574,7 @@ subroutine readNamelists(tscheme)
end if

if ( l_centrifuge .and. .not. &
& (l_anel .and. .not. l_isothermal .and. (index(interior_model, "NONE")/=0)) ) then
& (l_anel .and. .not. l_isothermal .and. (index(interior_model, "NONE")/=0)) .and. gamma == 0.0_cp ) then
call abortRun("This case is not implemented.")
! centrifugal acceleration implemented for anelastic polytropic background so far
end if
Expand Down Expand Up @@ -934,6 +934,7 @@ subroutine writeNamelists(n_out)
write(n_out,'('' sc ='',ES14.6,'','')') sc
write(n_out,'('' prmag ='',ES14.6,'','')') prmag
write(n_out,'('' ek ='',ES14.6,'','')') ek
write(n_out,'('' gamma ='',ES14.6,'','')') gamma
write(n_out,'('' po ='',ES14.6,'','')') po
write(n_out,'('' stef ='',ES14.6,'','')') stef
write(n_out,'('' tmelt ='',ES14.6,'','')') tmelt
Expand Down
11 changes: 9 additions & 2 deletions src/get_nl.f90
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Expand Up @@ -23,7 +23,7 @@ module grid_space_arrays_mod
use radial_functions, only: or2, orho1, beta, otemp1, visc, r, or3, &
& lambda, or4, or1
use physical_parameters, only: radratio, LFfac, n_r_LCR, prec_angle, ViscHeatFac, &
& oek, po, dilution_fac, ra, rae, opr, OhmLossFac, &
& oek, po, dilution_fac, ra, rae, gamma, opr, OhmLossFac, &
& epsPhase, phaseDiffFac, penaltyFac, tmelt
use horizontal_data, only: sinTheta, cosTheta, phi, O_sin_theta_E2, &
& cosn_theta_E2, O_sin_theta
Expand Down Expand Up @@ -369,7 +369,7 @@ subroutine get_nl(this, time, nR, nBc, lRmsCalc)
& this%vrc(:,nPhi)*cosTheta(:))
end if ! precession term required ?

if ( l_centrifuge .and. nBc ==0 ) then
if ( l_centrifuge .and. nBc == 0 .and. gamma == 0.0_cp) then
!if ( l_anel ) then
! this%CAr(:,nPhi) = dilution_fac*r(nR)*sinTheta(:)**4* &
! & ( -ra*opr*this%sc(:,nPhi) )
Expand All @@ -387,6 +387,13 @@ subroutine get_nl(this, time, nR, nBc, lRmsCalc)
!end if
end if ! centrifuge

if (l_centrifuge .and. gamma > 0) then
! ---- r^2 * (-gamma) / Ek^2 * sin(theta)^2 * T
this%CAr(:,nPhi) = -gamma * oek**2 * r(nR)**3 * sinTheta(:)**2 * this%sc(:,nPhi)
! ---- sin(theta)/r * (-gamma) / Ek^2 * sin(theta) * cos(theta) * T
this%CAt(:,nPhi) = -gamma * oek**2 * sinTheta(:)**2 * cosTheta(:) * this%sc(:,nPhi)
end if

if ( l_mag_nl ) then

if ( nBc == 0 .and. nR>n_r_LCR ) then
Expand Down
1 change: 1 addition & 0 deletions src/phys_param.f90
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Expand Up @@ -54,6 +54,7 @@ module physical_parameters
real(cp) :: ViscHeatFac ! Prefactor for viscous heating: :math:`Di\,Pr/Ra`
real(cp) :: OhmLossFac ! Prefactor for Ohmic heating: :math:`Di\,Pr/(Ra\,E\,Pm^2)`
real(cp) :: DissNb ! Dissipation number
real(cp) :: gamma ! buoyant thermal expasion coefficient
real(cp) :: ThExpNb ! Thermal expansion * temperature :math:`\alpha_0 T_0`
real(cp) :: GrunNb ! Grüneisen paramater :math:`\Gamma=(\gamma-1)/\alpha T`
real(cp) :: epsS ! Deviation from the adiabat
Expand Down