[362] | 1 | MODULE caldyn_kernels_hevi_mod |
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| 2 | USE icosa |
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[369] | 3 | USE trace |
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| 4 | USE omp_para |
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| 5 | USE disvert_mod |
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[362] | 6 | USE transfert_mod |
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| 7 | USE caldyn_kernels_base_mod |
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| 8 | IMPLICIT NONE |
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| 9 | PRIVATE |
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| 10 | |
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[368] | 11 | REAL(rstd), PARAMETER :: pbot=1e5, Phi_bot=0., rho_bot=1e6 ! FIXME |
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| 12 | |
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| 13 | LOGICAL, PARAMETER :: debug_hevi_solver = .FALSE. |
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| 14 | |
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[369] | 15 | PUBLIC :: compute_theta, compute_pvort_only, compute_caldyn_Coriolis, & |
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| 16 | compute_caldyn_slow_hydro, compute_caldyn_slow_NH, & |
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[366] | 17 | compute_caldyn_solver, compute_caldyn_fast |
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[362] | 18 | |
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| 19 | CONTAINS |
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| 20 | |
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| 21 | SUBROUTINE compute_theta(ps,theta_rhodz, rhodz,theta) |
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[404] | 22 | REAL(rstd),INTENT(IN) :: ps(iim*jjm) |
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| 23 | REAL(rstd),INTENT(IN) :: theta_rhodz(iim*jjm,llm,nqdyn) |
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[362] | 24 | REAL(rstd),INTENT(INOUT) :: rhodz(iim*jjm,llm) |
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[404] | 25 | REAL(rstd),INTENT(OUT) :: theta(iim*jjm,llm,nqdyn) |
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| 26 | INTEGER :: ij,l,iq |
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[362] | 27 | REAL(rstd) :: m |
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[404] | 28 | CALL trace_start("compute_theta") |
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[362] | 29 | |
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[404] | 30 | IF(caldyn_eta==eta_mass) THEN ! Compute mass |
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[362] | 31 | DO l = ll_begin,ll_end |
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| 32 | !DIR$ SIMD |
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| 33 | DO ij=ij_begin_ext,ij_end_ext |
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[529] | 34 | m = mass_dak(l)+(ps(ij)*g+ptop)*mass_dbk(l) ! ps is actually Ms |
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[362] | 35 | rhodz(ij,l) = m/g |
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[404] | 36 | END DO |
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| 37 | END DO |
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| 38 | END IF |
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| 39 | |
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| 40 | DO l = ll_begin,ll_end |
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| 41 | DO iq=1,nqdyn |
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[362] | 42 | !DIR$ SIMD |
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| 43 | DO ij=ij_begin_ext,ij_end_ext |
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[404] | 44 | theta(ij,l,iq) = theta_rhodz(ij,l,iq)/rhodz(ij,l) |
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| 45 | END DO |
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| 46 | END DO |
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| 47 | END DO |
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[362] | 48 | |
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| 49 | CALL trace_end("compute_theta") |
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| 50 | END SUBROUTINE compute_theta |
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| 51 | |
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| 52 | SUBROUTINE compute_pvort_only(u,rhodz,qu,qv) |
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| 53 | REAL(rstd),INTENT(IN) :: u(iim*3*jjm,llm) |
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| 54 | REAL(rstd),INTENT(INOUT) :: rhodz(iim*jjm,llm) |
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| 55 | REAL(rstd),INTENT(OUT) :: qu(iim*3*jjm,llm) |
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| 56 | REAL(rstd),INTENT(OUT) :: qv(iim*2*jjm,llm) |
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| 57 | |
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| 58 | INTEGER :: ij,l |
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| 59 | REAL(rstd) :: etav,hv,radius_m2 |
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| 60 | |
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| 61 | CALL trace_start("compute_pvort_only") |
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| 62 | !!! Compute shallow-water potential vorticity |
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| 63 | radius_m2=radius**(-2) |
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| 64 | DO l = ll_begin,ll_end |
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| 65 | !DIR$ SIMD |
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| 66 | DO ij=ij_begin_ext,ij_end_ext |
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[529] | 67 | etav= 1./Av(ij+z_up)*( ne_rup * u(ij+u_rup,l) & |
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| 68 | + ne_left * u(ij+t_rup+u_left,l) & |
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| 69 | - ne_lup * u(ij+u_lup,l) ) |
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| 70 | hv = Riv2(ij,vup) * rhodz(ij,l) & |
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| 71 | + Riv2(ij+t_rup,vldown) * rhodz(ij+t_rup,l) & |
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| 72 | + Riv2(ij+t_lup,vrdown) * rhodz(ij+t_lup,l) |
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| 73 | qv(ij+z_up,l) = ( etav+fv(ij+z_up) )/hv |
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| 74 | |
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| 75 | etav = 1./Av(ij+z_down)*( ne_ldown * u(ij+u_ldown,l) & |
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| 76 | + ne_right * u(ij+t_ldown+u_right,l) & |
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| 77 | - ne_rdown * u(ij+u_rdown,l) ) |
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| 78 | hv = Riv2(ij,vdown) * rhodz(ij,l) & |
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| 79 | + Riv2(ij+t_ldown,vrup) * rhodz(ij+t_ldown,l) & |
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| 80 | + Riv2(ij+t_rdown,vlup) * rhodz(ij+t_rdown,l) |
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| 81 | qv(ij+z_down,l) =( etav+fv(ij+z_down) )/hv |
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[362] | 82 | ENDDO |
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| 83 | |
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| 84 | !DIR$ SIMD |
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| 85 | DO ij=ij_begin,ij_end |
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| 86 | qu(ij+u_right,l) = 0.5*(qv(ij+z_rdown,l)+qv(ij+z_rup,l)) |
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| 87 | qu(ij+u_lup,l) = 0.5*(qv(ij+z_up,l)+qv(ij+z_lup,l)) |
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| 88 | qu(ij+u_ldown,l) = 0.5*(qv(ij+z_ldown,l)+qv(ij+z_down,l)) |
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| 89 | END DO |
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| 90 | |
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| 91 | ENDDO |
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| 92 | |
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| 93 | CALL trace_end("compute_pvort_only") |
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| 94 | |
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| 95 | END SUBROUTINE compute_pvort_only |
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| 96 | |
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[368] | 97 | SUBROUTINE compute_NH_geopot(tau, m_ik, m_il, theta, W_il, Phi_il) |
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| 98 | REAL(rstd),INTENT(IN) :: tau ! solve Phi-tau*dPhi/dt = Phi_rhs |
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| 99 | REAL(rstd),INTENT(IN) :: m_ik(iim*jjm,llm) |
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| 100 | REAL(rstd),INTENT(IN) :: m_il(iim*jjm,llm+1) |
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| 101 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm) |
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| 102 | REAL(rstd),INTENT(IN) :: W_il(iim*jjm,llm+1) ! vertical momentum |
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| 103 | REAL(rstd),INTENT(INOUT) :: Phi_il(iim*jjm,llm+1) ! geopotential |
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| 104 | |
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| 105 | REAL(rstd) :: Phi_star_il(iim*jjm,llm+1) |
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| 106 | REAL(rstd) :: p_ik(iim*jjm,llm) ! pressure |
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| 107 | REAL(rstd) :: R_il(iim*jjm,llm+1) ! rhs of tridiag problem |
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| 108 | REAL(rstd) :: x_il(iim*jjm,llm+1) ! solution of tridiag problem |
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| 109 | REAL(rstd) :: A_ik(iim*jjm,llm) ! off-diagonal coefficients of tridiag problem |
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| 110 | REAL(rstd) :: B_il(iim*jjm,llm+1) ! diagonal coefficients of tridiag problem |
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| 111 | REAL(rstd) :: C_ik(iim*jjm,llm) ! Thomas algorithm |
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| 112 | REAL(rstd) :: D_il(iim*jjm,llm+1) ! Thomas algorithm |
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| 113 | REAL(rstd) :: gamma, rho_ij, X_ij, Y_ij |
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| 114 | REAL(rstd) :: wil, tau2_g, g2, gm2, ml_g2, c2_mik |
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| 115 | |
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| 116 | INTEGER :: iter, ij, l |
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| 117 | |
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| 118 | ! FIXME : vertical OpenMP parallelism will not work |
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| 119 | |
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| 120 | tau2_g=tau*tau/g |
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| 121 | g2=g*g |
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| 122 | gm2 = g**-2 |
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| 123 | gamma = 1./(1.-kappa) |
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| 124 | |
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| 125 | ! compute Phi_star |
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| 126 | DO l=1,llm+1 |
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| 127 | !DIR$ SIMD |
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| 128 | DO ij=ij_begin_ext,ij_end_ext |
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| 129 | Phi_star_il(ij,l) = Phi_il(ij,l) + tau*g2*(W_il(ij,l)/m_il(ij,l)-tau) |
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| 130 | ENDDO |
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| 131 | ENDDO |
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| 132 | |
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| 133 | ! Newton-Raphson iteration : Phi_il contains current guess value |
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[377] | 134 | DO iter=1,5 ! 2 iterations should be enough |
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[368] | 135 | |
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| 136 | ! Compute pressure, A_ik |
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| 137 | DO l=1,llm |
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| 138 | !DIR$ SIMD |
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| 139 | DO ij=ij_begin_ext,ij_end_ext |
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| 140 | rho_ij = (g*m_ik(ij,l))/(Phi_il(ij,l+1)-Phi_il(ij,l)) |
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| 141 | X_ij = (cpp/preff)*kappa*theta(ij,l)*rho_ij |
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| 142 | p_ik(ij,l) = preff*(X_ij**gamma) |
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| 143 | c2_mik = gamma*p_ik(ij,l)/(rho_ij*m_ik(ij,l)) ! c^2 = gamma*R*T = gamma*p/rho |
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| 144 | A_ik(ij,l) = c2_mik*(tau/g*rho_ij)**2 |
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| 145 | ENDDO |
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| 146 | ENDDO |
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| 147 | |
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| 148 | ! Compute residual, B_il |
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| 149 | ! bottom interface l=1 |
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| 150 | !DIR$ SIMD |
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| 151 | DO ij=ij_begin_ext,ij_end_ext |
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| 152 | ml_g2 = gm2*m_il(ij,1) |
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| 153 | B_il(ij,1) = A_ik(ij,1) + ml_g2 + tau2_g*rho_bot |
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| 154 | R_il(ij,1) = ml_g2*( Phi_il(ij,1)-Phi_star_il(ij,1)) & |
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| 155 | + tau2_g*( p_ik(ij,1)-pbot+rho_bot*(Phi_il(ij,1)-Phi_bot) ) |
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| 156 | ENDDO |
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| 157 | ! inner interfaces |
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| 158 | DO l=2,llm |
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| 159 | !DIR$ SIMD |
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| 160 | DO ij=ij_begin_ext,ij_end_ext |
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| 161 | ml_g2 = gm2*m_il(ij,l) |
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| 162 | B_il(ij,l) = A_ik(ij,l)+A_ik(ij,l-1) + ml_g2 |
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| 163 | R_il(ij,l) = ml_g2*( Phi_il(ij,l)-Phi_star_il(ij,l)) & |
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| 164 | + tau2_g*(p_ik(ij,l)-p_ik(ij,l-1)) |
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| 165 | ! consistency check : if Wil=0 and initial state is in hydrostatic balance |
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| 166 | ! then Phi_star_il(ij,l) = Phi_il(ij,l) - tau^2*g^2 |
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| 167 | ! and residual = tau^2*(ml+(1/g)dl_pi)=0 |
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| 168 | ENDDO |
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| 169 | ENDDO |
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| 170 | ! top interface l=llm+1 |
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| 171 | !DIR$ SIMD |
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| 172 | DO ij=ij_begin_ext,ij_end_ext |
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| 173 | ml_g2 = gm2*m_il(ij,llm+1) |
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| 174 | B_il(ij,llm+1) = A_ik(ij,llm) + ml_g2 |
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| 175 | R_il(ij,llm+1) = ml_g2*( Phi_il(ij,llm+1)-Phi_star_il(ij,llm+1)) & |
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| 176 | + tau2_g*( ptop-p_ik(ij,llm) ) |
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| 177 | ENDDO |
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| 178 | |
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| 179 | ! FIXME later |
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| 180 | ! the lines below modify the tridiag problem |
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| 181 | ! for flat, rigid boundary conditions at top and bottom : |
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| 182 | ! zero out A(1), A(llm), R(1), R(llm+1) |
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| 183 | ! => x(l)=0 at l=1,llm+1 |
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| 184 | DO ij=ij_begin_ext,ij_end_ext |
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| 185 | A_ik(ij,1) = 0. |
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| 186 | A_ik(ij,llm) = 0. |
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| 187 | R_il(ij,1) = 0. |
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| 188 | R_il(ij,llm+1) = 0. |
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| 189 | ENDDO |
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| 190 | |
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| 191 | IF(debug_hevi_solver) THEN ! print Linf(residual) |
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| 192 | PRINT *, '[hevi_solver] R,p', iter, MAXVAL(ABS(R_il)), MAXVAL(p_ik) |
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| 193 | END IF |
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| 194 | |
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| 195 | ! Solve -A(l-1)x(l-1) + B(l)x(l) - A(l)x(l+1) = R(l) using Thomas algorithm |
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| 196 | ! Forward sweep : |
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| 197 | ! C(0)=0, C(l) = -A(l) / (B(l)+A(l-1)C(l-1)), |
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| 198 | ! D(0)=0, D(l) = (R(l)+A(l-1)D(l-1)) / (B(l)+A(l-1)C(l-1)) |
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| 199 | ! bottom interface l=1 |
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| 200 | !DIR$ SIMD |
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| 201 | DO ij=ij_begin_ext,ij_end_ext |
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| 202 | X_ij = 1./B_il(ij,1) |
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| 203 | C_ik(ij,1) = -A_ik(ij,1) * X_ij |
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| 204 | D_il(ij,1) = R_il(ij,1) * X_ij |
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| 205 | ENDDO |
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| 206 | ! inner interfaces/layers |
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| 207 | DO l=2,llm |
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| 208 | !DIR$ SIMD |
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| 209 | DO ij=ij_begin_ext,ij_end_ext |
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| 210 | X_ij = 1./(B_il(ij,l) + A_ik(ij,l-1)*C_ik(ij,l-1)) |
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| 211 | C_ik(ij,l) = -A_ik(ij,l) * X_ij |
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| 212 | D_il(ij,l) = (R_il(ij,l)+A_ik(ij,l-1)*D_il(ij,l-1)) * X_ij |
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| 213 | ENDDO |
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| 214 | ENDDO |
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| 215 | ! top interface l=llm+1 |
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| 216 | !DIR$ SIMD |
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| 217 | DO ij=ij_begin_ext,ij_end_ext |
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| 218 | X_ij = 1./(B_il(ij,llm+1) + A_ik(ij,llm)*C_ik(ij,llm)) |
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| 219 | D_il(ij,llm+1) = (R_il(ij,llm+1)+A_ik(ij,llm)*D_il(ij,llm)) * X_ij |
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| 220 | ENDDO |
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| 221 | |
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| 222 | ! Back substitution : |
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| 223 | ! x(i) = D(i)-C(i)x(i+1), x(N+1)=0 |
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| 224 | ! + Newton-Raphson update |
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| 225 | x_il=0. ! FIXME |
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| 226 | ! top interface l=llm+1 |
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| 227 | !DIR$ SIMD |
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| 228 | DO ij=ij_begin_ext,ij_end_ext |
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| 229 | x_il(ij,llm+1) = D_il(ij,llm+1) |
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| 230 | Phi_il(ij,llm+1) = Phi_il(ij,llm+1) - x_il(ij,llm+1) |
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| 231 | ENDDO |
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| 232 | ! lower interfaces |
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| 233 | DO l=llm,1,-1 |
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| 234 | !DIR$ SIMD |
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| 235 | DO ij=ij_begin_ext,ij_end_ext |
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| 236 | x_il(ij,l) = D_il(ij,l) - C_ik(ij,l)*x_il(ij,l+1) |
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| 237 | Phi_il(ij,l) = Phi_il(ij,l) - x_il(ij,l) |
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| 238 | ENDDO |
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| 239 | ENDDO |
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| 240 | |
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| 241 | IF(debug_hevi_solver) THEN |
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| 242 | PRINT *, '[hevi_solver] A,B', iter, MAXVAL(ABS(A_ik)),MAXVAL(ABS(B_il)) |
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| 243 | PRINT *, '[hevi_solver] C,D', iter, MAXVAL(ABS(C_ik)),MAXVAL(ABS(D_il)) |
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| 244 | DO l=1,llm+1 |
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| 245 | WRITE(*,'(A,I2.1,I3.2,E9.2)'), '[hevi_solver] x', iter,l, MAXVAL(ABS(x_il(:,l))) |
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| 246 | END DO |
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| 247 | END IF |
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| 248 | |
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| 249 | END DO ! Newton-Raphson |
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| 250 | |
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| 251 | END SUBROUTINE compute_NH_geopot |
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| 252 | |
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[369] | 253 | SUBROUTINE compute_caldyn_solver(tau,rhodz,theta,pk, geopot,W, dPhi,dW,du) |
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[366] | 254 | REAL(rstd),INTENT(IN) :: tau ! "solve" Phi-tau*dPhi/dt = Phi_rhs |
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| 255 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
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| 256 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm) |
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| 257 | REAL(rstd),INTENT(OUT) :: pk(iim*jjm,llm) |
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| 258 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) |
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| 259 | REAL(rstd),INTENT(INOUT) :: W(iim*jjm,llm+1) ! OUT if tau>0 |
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| 260 | REAL(rstd),INTENT(OUT) :: dW(iim*jjm,llm+1) |
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| 261 | REAL(rstd),INTENT(OUT) :: dPhi(iim*jjm,llm+1) |
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[369] | 262 | REAL(rstd),INTENT(OUT) :: du(3*iim*jjm,llm) |
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[366] | 263 | |
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[368] | 264 | REAL(rstd) :: m_il(iim*jjm,llm+1) ! rhodz averaged to interfaces |
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[369] | 265 | REAL(rstd) :: berni(iim*jjm) ! (W/m_il)^2 |
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[368] | 266 | REAL(rstd) :: gamma, rho_ij, X_ij, Y_ij |
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| 267 | INTEGER :: ij, l |
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[366] | 268 | |
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| 269 | CALL trace_start("compute_caldyn_solver") |
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| 270 | |
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[368] | 271 | ! FIXME : vertical OpenMP parallelism will not work |
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[366] | 272 | |
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[368] | 273 | ! average m_ik to interfaces => m_il |
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| 274 | !DIR$ SIMD |
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| 275 | DO ij=ij_begin_ext,ij_end_ext |
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| 276 | m_il(ij,1) = .5*rhodz(ij,1) |
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| 277 | ENDDO |
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| 278 | DO l=2,llm |
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| 279 | !DIR$ SIMD |
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| 280 | DO ij=ij_begin_ext,ij_end_ext |
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| 281 | m_il(ij,l) = .5*(rhodz(ij,l-1)+rhodz(ij,l)) |
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| 282 | ENDDO |
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| 283 | ENDDO |
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| 284 | !DIR$ SIMD |
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| 285 | DO ij=ij_begin_ext,ij_end_ext |
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| 286 | m_il(ij,llm+1) = .5*rhodz(ij,llm) |
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| 287 | ENDDO |
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| 288 | |
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| 289 | IF(tau>0) THEN ! solve implicit problem for geopotential |
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| 290 | CALL compute_NH_geopot(tau, rhodz, m_il, theta, W, geopot) |
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[366] | 291 | END IF |
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| 292 | |
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| 293 | ! Compute pressure, stored temporarily in pk |
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| 294 | ! kappa = R/Cp |
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| 295 | ! 1-kappa = Cv/Cp |
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| 296 | ! Cp/Cv = 1/(1-kappa) |
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| 297 | gamma = 1./(1.-kappa) |
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[368] | 298 | DO l=1,llm |
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[366] | 299 | !DIR$ SIMD |
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[368] | 300 | DO ij=ij_begin_ext,ij_end_ext |
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[366] | 301 | rho_ij = (g*rhodz(ij,l))/(geopot(ij,l+1)-geopot(ij,l)) |
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| 302 | X_ij = (cpp/preff)*kappa*theta(ij,l)*rho_ij |
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| 303 | ! kappa.theta.rho = p/exner |
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| 304 | ! => X = (p/p0)/(exner/Cp) |
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| 305 | ! = (p/p0)^(1-kappa) |
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| 306 | pk(ij,l) = preff*(X_ij**gamma) |
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| 307 | ENDDO |
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| 308 | ENDDO |
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| 309 | |
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[369] | 310 | ! Update W, compute tendencies |
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[368] | 311 | DO l=2,llm |
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[366] | 312 | !DIR$ SIMD |
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[368] | 313 | DO ij=ij_begin_ext,ij_end_ext |
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| 314 | dW(ij,l) = (1./g)*(pk(ij,l-1)-pk(ij,l)) - m_il(ij,l) |
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| 315 | W(ij,l) = W(ij,l)+tau*dW(ij,l) ! update W |
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| 316 | dPhi(ij,l) = g*g*W(ij,l)/m_il(ij,l) |
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[366] | 317 | ENDDO |
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| 318 | ! PRINT *,'Max dPhi', l,ij_begin,ij_end, MAXVAL(abs(dPhi(ij_begin:ij_end,l))) |
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| 319 | ! PRINT *,'Max dW', l,ij_begin,ij_end, MAXVAL(abs(dW(ij_begin:ij_end,l))) |
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| 320 | ENDDO |
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| 321 | ! Lower BC (FIXME : no orography yet !) |
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| 322 | DO ij=ij_begin,ij_end |
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| 323 | dPhi(ij,1)=0 |
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| 324 | W(ij,1)=0 |
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| 325 | dW(ij,1)=0 |
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| 326 | dPhi(ij,llm+1)=0 ! rigid lid |
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| 327 | W(ij,llm+1)=0 |
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| 328 | dW(ij,llm+1)=0 |
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| 329 | ENDDO |
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| 330 | ! Upper BC p=ptop |
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[368] | 331 | ! DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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| 332 | ! dPhi(ij,llm+1) = W(ij,llm+1)/rhodz(ij,llm) |
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| 333 | ! dW(ij,llm+1) = (1./g)*(pk(ij,llm)-ptop) - .5*rhodz(ij,llm) |
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| 334 | ! ENDDO |
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[366] | 335 | |
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[375] | 336 | ! Compute Exner function (needed by compute_caldyn_fast) and du=-g^2.grad(w^2) |
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[368] | 337 | DO l=1,llm |
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[366] | 338 | !DIR$ SIMD |
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[368] | 339 | DO ij=ij_begin_ext,ij_end_ext |
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[366] | 340 | pk(ij,l) = cpp*((pk(ij,l)/preff)**kappa) ! other formulae possible if exponentiation is slow |
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[499] | 341 | berni(ij) = (-.25*g*g)*( & |
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[375] | 342 | (W(ij,l)/m_il(ij,l))**2 & |
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[369] | 343 | + (W(ij,l+1)/m_il(ij,l+1))**2 ) |
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[366] | 344 | ENDDO |
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[369] | 345 | DO ij=ij_begin,ij_end |
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[375] | 346 | du(ij+u_right,l) = ne_right*(berni(ij)-berni(ij+t_right)) |
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| 347 | du(ij+u_lup,l) = ne_lup *(berni(ij)-berni(ij+t_lup)) |
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| 348 | du(ij+u_ldown,l) = ne_ldown*(berni(ij)-berni(ij+t_ldown)) |
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[369] | 349 | ENDDO |
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[366] | 350 | ENDDO |
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| 351 | |
---|
| 352 | CALL trace_end("compute_caldyn_solver") |
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| 353 | |
---|
| 354 | END SUBROUTINE compute_caldyn_solver |
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| 355 | |
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| 356 | SUBROUTINE compute_caldyn_fast(tau,u,rhodz,theta,pk,geopot,du) |
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| 357 | REAL(rstd),INTENT(IN) :: tau ! "solve" u-tau*du/dt = rhs |
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| 358 | REAL(rstd),INTENT(INOUT) :: u(iim*3*jjm,llm) ! OUT if tau>0 |
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| 359 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
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[405] | 360 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) |
---|
[366] | 361 | REAL(rstd),INTENT(INOUT) :: pk(iim*jjm,llm) |
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| 362 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) |
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[369] | 363 | REAL(rstd),INTENT(INOUT) :: du(iim*3*jjm,llm) |
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[362] | 364 | REAL(rstd) :: berni(iim*jjm,llm) ! Bernoulli function |
---|
[405] | 365 | REAL(rstd) :: berniv(iim*jjm,llm) ! moist Bernoulli function |
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[362] | 366 | |
---|
| 367 | INTEGER :: i,j,ij,l |
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[405] | 368 | REAL(rstd) :: Rd, qv, temp, chi, nu, due_right, due_lup, due_ldown |
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[362] | 369 | |
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| 370 | CALL trace_start("compute_caldyn_fast") |
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[366] | 371 | |
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[405] | 372 | Rd=cpp*kappa |
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| 373 | |
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[366] | 374 | ! Compute Bernoulli term |
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[362] | 375 | IF(boussinesq) THEN |
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| 376 | DO l=ll_begin,ll_end |
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| 377 | !DIR$ SIMD |
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| 378 | DO ij=ij_begin,ij_end |
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| 379 | berni(ij,l) = pk(ij,l) |
---|
| 380 | ! from now on pk contains the vertically-averaged geopotential |
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| 381 | pk(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
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[401] | 382 | END DO |
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| 383 | END DO |
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[362] | 384 | ELSE ! compressible |
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| 385 | |
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| 386 | DO l=ll_begin,ll_end |
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[401] | 387 | SELECT CASE(caldyn_thermo) |
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| 388 | CASE(thermo_theta) ! vdp = theta.dpi => B = Phi |
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| 389 | !DIR$ SIMD |
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| 390 | DO ij=ij_begin,ij_end |
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| 391 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
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| 392 | END DO |
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| 393 | CASE(thermo_entropy) ! vdp = dG + sdT => B = Phi + G, G=h-Ts=T*(cpp-s) |
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| 394 | !DIR$ SIMD |
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| 395 | DO ij=ij_begin,ij_end |
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| 396 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
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[405] | 397 | + pk(ij,l)*(cpp-theta(ij,l,1)) ! pk=temperature, theta=entropy |
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[401] | 398 | END DO |
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[405] | 399 | CASE(thermo_moist) |
---|
| 400 | !DIR$ SIMD |
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| 401 | DO ij=ij_begin,ij_end |
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| 402 | ! du/dt = grad(Bd)+rv.grad(Bv)+s.grad(T) |
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| 403 | ! Bd = Phi + gibbs_d |
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| 404 | ! Bv = Phi + gibbs_v |
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| 405 | ! pk=temperature, theta=entropy |
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| 406 | qv = theta(ij,l,2) |
---|
| 407 | temp = pk(ij,l) |
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| 408 | chi = log(temp/Treff) |
---|
| 409 | nu = (chi*(cpp+qv*cppv)-theta(ij,l,1))/(Rd+qv*Rv) ! log(p/preff) |
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| 410 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
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| 411 | + temp*(cpp*(1.-chi)+Rd*nu) |
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| 412 | berniv(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
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| 413 | + temp*(cppv*(1.-chi)+Rv*nu) |
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| 414 | END DO |
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[401] | 415 | END SELECT |
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| 416 | END DO |
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[362] | 417 | |
---|
| 418 | END IF ! Boussinesq/compressible |
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| 419 | |
---|
[369] | 420 | !!! u:=u+tau*du, du = -grad(B)-theta.grad(pi) |
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[362] | 421 | DO l=ll_begin,ll_end |
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[405] | 422 | IF(caldyn_thermo == thermo_moist) THEN |
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| 423 | !DIR$ SIMD |
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| 424 | DO ij=ij_begin,ij_end |
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| 425 | due_right = berni(ij+t_right,l)-berni(ij,l) & |
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| 426 | + 0.5*(theta(ij,l,1)+theta(ij+t_right,l,1)) & |
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| 427 | *(pk(ij+t_right,l)-pk(ij,l)) & |
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| 428 | + 0.5*(theta(ij,l,2)+theta(ij+t_right,l,2)) & |
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| 429 | *(berniv(ij+t_right,l)-berniv(ij,l)) |
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| 430 | |
---|
| 431 | due_lup = berni(ij+t_lup,l)-berni(ij,l) & |
---|
| 432 | + 0.5*(theta(ij,l,1)+theta(ij+t_lup,l,1)) & |
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| 433 | *(pk(ij+t_lup,l)-pk(ij,l)) & |
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| 434 | + 0.5*(theta(ij,l,2)+theta(ij+t_lup,l,2)) & |
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| 435 | *(berniv(ij+t_lup,l)-berniv(ij,l)) |
---|
| 436 | |
---|
| 437 | due_ldown = berni(ij+t_ldown,l)-berni(ij,l) & |
---|
| 438 | + 0.5*(theta(ij,l,1)+theta(ij+t_ldown,l,1)) & |
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| 439 | *(pk(ij+t_ldown,l)-pk(ij,l)) & |
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| 440 | + 0.5*(theta(ij,l,2)+theta(ij+t_ldown,l,2)) & |
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| 441 | *(berniv(ij+t_ldown,l)-berniv(ij,l)) |
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| 442 | |
---|
| 443 | du(ij+u_right,l) = du(ij+u_right,l) - ne_right*due_right |
---|
| 444 | du(ij+u_lup,l) = du(ij+u_lup,l) - ne_lup*due_lup |
---|
| 445 | du(ij+u_ldown,l) = du(ij+u_ldown,l) - ne_ldown*due_ldown |
---|
| 446 | u(ij+u_right,l) = u(ij+u_right,l) + tau*du(ij+u_right,l) |
---|
| 447 | u(ij+u_lup,l) = u(ij+u_lup,l) + tau*du(ij+u_lup,l) |
---|
| 448 | u(ij+u_ldown,l) = u(ij+u_ldown,l) + tau*du(ij+u_ldown,l) |
---|
| 449 | END DO |
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| 450 | ELSE |
---|
| 451 | !DIR$ SIMD |
---|
| 452 | DO ij=ij_begin,ij_end |
---|
| 453 | due_right = 0.5*(theta(ij,l,1)+theta(ij+t_right,l,1)) & |
---|
| 454 | *(pk(ij+t_right,l)-pk(ij,l)) & |
---|
| 455 | + berni(ij+t_right,l)-berni(ij,l) |
---|
| 456 | due_lup = 0.5*(theta(ij,l,1)+theta(ij+t_lup,l,1)) & |
---|
| 457 | *(pk(ij+t_lup,l)-pk(ij,l)) & |
---|
| 458 | + berni(ij+t_lup,l)-berni(ij,l) |
---|
| 459 | due_ldown = 0.5*(theta(ij,l,1)+theta(ij+t_ldown,l,1)) & |
---|
| 460 | *(pk(ij+t_ldown,l)-pk(ij,l)) & |
---|
| 461 | + berni(ij+t_ldown,l)-berni(ij,l) |
---|
| 462 | du(ij+u_right,l) = du(ij+u_right,l) - ne_right*due_right |
---|
| 463 | du(ij+u_lup,l) = du(ij+u_lup,l) - ne_lup*due_lup |
---|
| 464 | du(ij+u_ldown,l) = du(ij+u_ldown,l) - ne_ldown*due_ldown |
---|
| 465 | u(ij+u_right,l) = u(ij+u_right,l) + tau*du(ij+u_right,l) |
---|
| 466 | u(ij+u_lup,l) = u(ij+u_lup,l) + tau*du(ij+u_lup,l) |
---|
| 467 | u(ij+u_ldown,l) = u(ij+u_ldown,l) + tau*du(ij+u_ldown,l) |
---|
| 468 | END DO |
---|
| 469 | END IF |
---|
| 470 | END DO |
---|
| 471 | |
---|
[362] | 472 | CALL trace_end("compute_caldyn_fast") |
---|
| 473 | |
---|
| 474 | END SUBROUTINE compute_caldyn_fast |
---|
| 475 | |
---|
[369] | 476 | SUBROUTINE compute_caldyn_Coriolis(hflux,theta,qu, convm,dtheta_rhodz,du) |
---|
| 477 | REAL(rstd),INTENT(IN) :: hflux(3*iim*jjm,llm) ! hflux in kg/s |
---|
[404] | 478 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) ! active scalars |
---|
[369] | 479 | REAL(rstd),INTENT(IN) :: qu(3*iim*jjm,llm) |
---|
[362] | 480 | REAL(rstd),INTENT(OUT) :: convm(iim*jjm,llm) ! mass flux convergence |
---|
[404] | 481 | REAL(rstd),INTENT(OUT) :: dtheta_rhodz(iim*jjm,llm,nqdyn) |
---|
[369] | 482 | REAL(rstd),INTENT(INOUT) :: du(3*iim*jjm,llm) |
---|
| 483 | |
---|
| 484 | REAL(rstd) :: Ftheta(3*iim*jjm) ! potential temperature flux |
---|
[362] | 485 | REAL(rstd) :: uu_right, uu_lup, uu_ldown |
---|
[404] | 486 | INTEGER :: ij,iq,l,kdown |
---|
[362] | 487 | |
---|
[369] | 488 | CALL trace_start("compute_caldyn_Coriolis") |
---|
[362] | 489 | |
---|
[369] | 490 | DO l=ll_begin, ll_end |
---|
| 491 | ! compute theta flux |
---|
[426] | 492 | DO iq=1,nqdyn |
---|
[362] | 493 | !DIR$ SIMD |
---|
[404] | 494 | DO ij=ij_begin_ext,ij_end_ext |
---|
| 495 | Ftheta(ij+u_right) = 0.5*(theta(ij,l,iq)+theta(ij+t_right,l,iq)) & |
---|
[369] | 496 | * hflux(ij+u_right,l) |
---|
[404] | 497 | Ftheta(ij+u_lup) = 0.5*(theta(ij,l,iq)+theta(ij+t_lup,l,iq)) & |
---|
| 498 | * hflux(ij+u_lup,l) |
---|
| 499 | Ftheta(ij+u_ldown) = 0.5*(theta(ij,l,iq)+theta(ij+t_ldown,l,iq)) & |
---|
| 500 | * hflux(ij+u_ldown,l) |
---|
| 501 | END DO |
---|
| 502 | ! horizontal divergence of fluxes |
---|
[426] | 503 | !DIR$ SIMD |
---|
[404] | 504 | DO ij=ij_begin,ij_end |
---|
| 505 | ! dtheta_rhodz = -div(flux.theta) |
---|
| 506 | dtheta_rhodz(ij,l,iq)= & |
---|
| 507 | -1./Ai(ij)*(ne_right*Ftheta(ij+u_right) + & |
---|
| 508 | ne_rup*Ftheta(ij+u_rup) + & |
---|
| 509 | ne_lup*Ftheta(ij+u_lup) + & |
---|
| 510 | ne_left*Ftheta(ij+u_left) + & |
---|
| 511 | ne_ldown*Ftheta(ij+u_ldown) + & |
---|
| 512 | ne_rdown*Ftheta(ij+u_rdown) ) |
---|
| 513 | END DO |
---|
| 514 | END DO |
---|
| 515 | |
---|
[426] | 516 | !DIR$ SIMD |
---|
[362] | 517 | DO ij=ij_begin,ij_end |
---|
| 518 | ! convm = -div(mass flux), sign convention as in Ringler et al. 2012, eq. 21 |
---|
| 519 | convm(ij,l)= -1./Ai(ij)*(ne_right*hflux(ij+u_right,l) + & |
---|
| 520 | ne_rup*hflux(ij+u_rup,l) + & |
---|
| 521 | ne_lup*hflux(ij+u_lup,l) + & |
---|
| 522 | ne_left*hflux(ij+u_left,l) + & |
---|
| 523 | ne_ldown*hflux(ij+u_ldown,l) + & |
---|
[404] | 524 | ne_rdown*hflux(ij+u_rdown,l)) |
---|
| 525 | END DO ! ij |
---|
| 526 | END DO ! llm |
---|
[362] | 527 | |
---|
| 528 | !!! Compute potential vorticity (Coriolis) contribution to du |
---|
[369] | 529 | SELECT CASE(caldyn_conserv) |
---|
[362] | 530 | |
---|
| 531 | CASE(energy) ! energy-conserving TRiSK |
---|
| 532 | |
---|
| 533 | DO l=ll_begin,ll_end |
---|
| 534 | !DIR$ SIMD |
---|
| 535 | DO ij=ij_begin,ij_end |
---|
| 536 | uu_right = & |
---|
| 537 | wee(ij+u_right,1,1)*hflux(ij+u_rup,l)*(qu(ij+u_right,l)+qu(ij+u_rup,l))+ & |
---|
| 538 | wee(ij+u_right,2,1)*hflux(ij+u_lup,l)*(qu(ij+u_right,l)+qu(ij+u_lup,l))+ & |
---|
| 539 | wee(ij+u_right,3,1)*hflux(ij+u_left,l)*(qu(ij+u_right,l)+qu(ij+u_left,l))+ & |
---|
| 540 | wee(ij+u_right,4,1)*hflux(ij+u_ldown,l)*(qu(ij+u_right,l)+qu(ij+u_ldown,l))+ & |
---|
| 541 | wee(ij+u_right,5,1)*hflux(ij+u_rdown,l)*(qu(ij+u_right,l)+qu(ij+u_rdown,l))+ & |
---|
| 542 | wee(ij+u_right,1,2)*hflux(ij+t_right+u_ldown,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_ldown,l))+ & |
---|
| 543 | wee(ij+u_right,2,2)*hflux(ij+t_right+u_rdown,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_rdown,l))+ & |
---|
| 544 | wee(ij+u_right,3,2)*hflux(ij+t_right+u_right,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_right,l))+ & |
---|
| 545 | wee(ij+u_right,4,2)*hflux(ij+t_right+u_rup,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_rup,l))+ & |
---|
| 546 | wee(ij+u_right,5,2)*hflux(ij+t_right+u_lup,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_lup,l)) |
---|
| 547 | uu_lup = & |
---|
| 548 | wee(ij+u_lup,1,1)*hflux(ij+u_left,l)*(qu(ij+u_lup,l)+qu(ij+u_left,l)) + & |
---|
| 549 | wee(ij+u_lup,2,1)*hflux(ij+u_ldown,l)*(qu(ij+u_lup,l)+qu(ij+u_ldown,l)) + & |
---|
| 550 | wee(ij+u_lup,3,1)*hflux(ij+u_rdown,l)*(qu(ij+u_lup,l)+qu(ij+u_rdown,l)) + & |
---|
| 551 | wee(ij+u_lup,4,1)*hflux(ij+u_right,l)*(qu(ij+u_lup,l)+qu(ij+u_right,l)) + & |
---|
| 552 | wee(ij+u_lup,5,1)*hflux(ij+u_rup,l)*(qu(ij+u_lup,l)+qu(ij+u_rup,l)) + & |
---|
| 553 | wee(ij+u_lup,1,2)*hflux(ij+t_lup+u_right,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_right,l)) + & |
---|
| 554 | wee(ij+u_lup,2,2)*hflux(ij+t_lup+u_rup,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_rup,l)) + & |
---|
| 555 | wee(ij+u_lup,3,2)*hflux(ij+t_lup+u_lup,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_lup,l)) + & |
---|
| 556 | wee(ij+u_lup,4,2)*hflux(ij+t_lup+u_left,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_left,l)) + & |
---|
| 557 | wee(ij+u_lup,5,2)*hflux(ij+t_lup+u_ldown,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_ldown,l)) |
---|
| 558 | uu_ldown = & |
---|
| 559 | wee(ij+u_ldown,1,1)*hflux(ij+u_rdown,l)*(qu(ij+u_ldown,l)+qu(ij+u_rdown,l)) + & |
---|
| 560 | wee(ij+u_ldown,2,1)*hflux(ij+u_right,l)*(qu(ij+u_ldown,l)+qu(ij+u_right,l)) + & |
---|
| 561 | wee(ij+u_ldown,3,1)*hflux(ij+u_rup,l)*(qu(ij+u_ldown,l)+qu(ij+u_rup,l)) + & |
---|
| 562 | wee(ij+u_ldown,4,1)*hflux(ij+u_lup,l)*(qu(ij+u_ldown,l)+qu(ij+u_lup,l)) + & |
---|
| 563 | wee(ij+u_ldown,5,1)*hflux(ij+u_left,l)*(qu(ij+u_ldown,l)+qu(ij+u_left,l)) + & |
---|
| 564 | wee(ij+u_ldown,1,2)*hflux(ij+t_ldown+u_lup,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_lup,l)) + & |
---|
| 565 | wee(ij+u_ldown,2,2)*hflux(ij+t_ldown+u_left,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_left,l)) + & |
---|
| 566 | wee(ij+u_ldown,3,2)*hflux(ij+t_ldown+u_ldown,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_ldown,l)) + & |
---|
| 567 | wee(ij+u_ldown,4,2)*hflux(ij+t_ldown+u_rdown,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_rdown,l)) + & |
---|
| 568 | wee(ij+u_ldown,5,2)*hflux(ij+t_ldown+u_right,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_right,l)) |
---|
[369] | 569 | du(ij+u_right,l) = du(ij+u_right,l) + .5*uu_right |
---|
| 570 | du(ij+u_lup,l) = du(ij+u_lup,l) + .5*uu_lup |
---|
| 571 | du(ij+u_ldown,l) = du(ij+u_ldown,l) + .5*uu_ldown |
---|
[362] | 572 | ENDDO |
---|
| 573 | ENDDO |
---|
| 574 | |
---|
| 575 | CASE(enstrophy) ! enstrophy-conserving TRiSK |
---|
| 576 | |
---|
| 577 | DO l=ll_begin,ll_end |
---|
| 578 | !DIR$ SIMD |
---|
| 579 | DO ij=ij_begin,ij_end |
---|
| 580 | uu_right = & |
---|
| 581 | wee(ij+u_right,1,1)*hflux(ij+u_rup,l)+ & |
---|
| 582 | wee(ij+u_right,2,1)*hflux(ij+u_lup,l)+ & |
---|
| 583 | wee(ij+u_right,3,1)*hflux(ij+u_left,l)+ & |
---|
| 584 | wee(ij+u_right,4,1)*hflux(ij+u_ldown,l)+ & |
---|
| 585 | wee(ij+u_right,5,1)*hflux(ij+u_rdown,l)+ & |
---|
| 586 | wee(ij+u_right,1,2)*hflux(ij+t_right+u_ldown,l)+ & |
---|
| 587 | wee(ij+u_right,2,2)*hflux(ij+t_right+u_rdown,l)+ & |
---|
| 588 | wee(ij+u_right,3,2)*hflux(ij+t_right+u_right,l)+ & |
---|
| 589 | wee(ij+u_right,4,2)*hflux(ij+t_right+u_rup,l)+ & |
---|
| 590 | wee(ij+u_right,5,2)*hflux(ij+t_right+u_lup,l) |
---|
| 591 | uu_lup = & |
---|
| 592 | wee(ij+u_lup,1,1)*hflux(ij+u_left,l)+ & |
---|
| 593 | wee(ij+u_lup,2,1)*hflux(ij+u_ldown,l)+ & |
---|
| 594 | wee(ij+u_lup,3,1)*hflux(ij+u_rdown,l)+ & |
---|
| 595 | wee(ij+u_lup,4,1)*hflux(ij+u_right,l)+ & |
---|
| 596 | wee(ij+u_lup,5,1)*hflux(ij+u_rup,l)+ & |
---|
| 597 | wee(ij+u_lup,1,2)*hflux(ij+t_lup+u_right,l)+ & |
---|
| 598 | wee(ij+u_lup,2,2)*hflux(ij+t_lup+u_rup,l)+ & |
---|
| 599 | wee(ij+u_lup,3,2)*hflux(ij+t_lup+u_lup,l)+ & |
---|
| 600 | wee(ij+u_lup,4,2)*hflux(ij+t_lup+u_left,l)+ & |
---|
| 601 | wee(ij+u_lup,5,2)*hflux(ij+t_lup+u_ldown,l) |
---|
| 602 | uu_ldown = & |
---|
| 603 | wee(ij+u_ldown,1,1)*hflux(ij+u_rdown,l)+ & |
---|
| 604 | wee(ij+u_ldown,2,1)*hflux(ij+u_right,l)+ & |
---|
| 605 | wee(ij+u_ldown,3,1)*hflux(ij+u_rup,l)+ & |
---|
| 606 | wee(ij+u_ldown,4,1)*hflux(ij+u_lup,l)+ & |
---|
| 607 | wee(ij+u_ldown,5,1)*hflux(ij+u_left,l)+ & |
---|
| 608 | wee(ij+u_ldown,1,2)*hflux(ij+t_ldown+u_lup,l)+ & |
---|
| 609 | wee(ij+u_ldown,2,2)*hflux(ij+t_ldown+u_left,l)+ & |
---|
| 610 | wee(ij+u_ldown,3,2)*hflux(ij+t_ldown+u_ldown,l)+ & |
---|
| 611 | wee(ij+u_ldown,4,2)*hflux(ij+t_ldown+u_rdown,l)+ & |
---|
| 612 | wee(ij+u_ldown,5,2)*hflux(ij+t_ldown+u_right,l) |
---|
| 613 | |
---|
[369] | 614 | du(ij+u_right,l) = du(ij+u_right,l) + .5*uu_right |
---|
| 615 | du(ij+u_lup,l) = du(ij+u_lup,l) + .5*uu_lup |
---|
| 616 | du(ij+u_ldown,l) = du(ij+u_ldown,l) + .5*uu_ldown |
---|
| 617 | END DO |
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| 618 | END DO |
---|
[362] | 619 | CASE DEFAULT |
---|
| 620 | STOP |
---|
| 621 | END SELECT |
---|
| 622 | |
---|
[369] | 623 | CALL trace_end("compute_caldyn_Coriolis") |
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| 624 | |
---|
| 625 | END SUBROUTINE compute_caldyn_Coriolis |
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| 626 | |
---|
[529] | 627 | SUBROUTINE compute_caldyn_slow_hydro(u,rhodz,hflux,du, zero) |
---|
| 628 | LOGICAL, INTENT(IN) :: zero |
---|
[369] | 629 | REAL(rstd),INTENT(IN) :: u(3*iim*jjm,llm) ! prognostic "velocity" |
---|
| 630 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
---|
| 631 | REAL(rstd),INTENT(OUT) :: hflux(3*iim*jjm,llm) ! hflux in kg/s |
---|
[529] | 632 | REAL(rstd),INTENT(INOUT) :: du(3*iim*jjm,llm) |
---|
[369] | 633 | |
---|
| 634 | REAL(rstd) :: berni(iim*jjm) ! Bernoulli function |
---|
| 635 | REAL(rstd) :: uu_right, uu_lup, uu_ldown |
---|
| 636 | INTEGER :: ij,l |
---|
| 637 | |
---|
| 638 | CALL trace_start("compute_caldyn_slow_hydro") |
---|
| 639 | |
---|
[362] | 640 | le_de(:) = le(:)/de(:) ! FIXME - make sure le_de is what we expect |
---|
[369] | 641 | |
---|
| 642 | DO l = ll_begin, ll_end |
---|
| 643 | ! Compute mass fluxes |
---|
| 644 | IF (caldyn_conserv==energy) CALL test_message(req_qu) |
---|
[362] | 645 | !DIR$ SIMD |
---|
[369] | 646 | DO ij=ij_begin_ext,ij_end_ext |
---|
| 647 | uu_right=0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l) |
---|
| 648 | uu_lup=0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l) |
---|
| 649 | uu_ldown=0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l) |
---|
| 650 | uu_right= uu_right*le_de(ij+u_right) |
---|
| 651 | uu_lup = uu_lup *le_de(ij+u_lup) |
---|
| 652 | uu_ldown= uu_ldown*le_de(ij+u_ldown) |
---|
| 653 | hflux(ij+u_right,l)=uu_right |
---|
| 654 | hflux(ij+u_lup,l) =uu_lup |
---|
| 655 | hflux(ij+u_ldown,l)=uu_ldown |
---|
| 656 | ENDDO |
---|
| 657 | ! Compute Bernoulli=kinetic energy |
---|
| 658 | !DIR$ SIMD |
---|
[362] | 659 | DO ij=ij_begin,ij_end |
---|
[369] | 660 | berni(ij) = & |
---|
| 661 | 1/(4*Ai(ij))*(le_de(ij+u_right)*u(ij+u_right,l)**2 + & |
---|
| 662 | le_de(ij+u_rup)*u(ij+u_rup,l)**2 + & |
---|
| 663 | le_de(ij+u_lup)*u(ij+u_lup,l)**2 + & |
---|
| 664 | le_de(ij+u_left)*u(ij+u_left,l)**2 + & |
---|
| 665 | le_de(ij+u_ldown)*u(ij+u_ldown,l)**2 + & |
---|
| 666 | le_de(ij+u_rdown)*u(ij+u_rdown,l)**2 ) |
---|
[362] | 667 | ENDDO |
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[375] | 668 | ! Compute du=-grad(Bernoulli) |
---|
[529] | 669 | IF(zero) THEN |
---|
| 670 | !DIR$ SIMD |
---|
| 671 | DO ij=ij_begin,ij_end |
---|
[375] | 672 | du(ij+u_right,l) = ne_right*(berni(ij)-berni(ij+t_right)) |
---|
| 673 | du(ij+u_lup,l) = ne_lup*(berni(ij)-berni(ij+t_lup)) |
---|
| 674 | du(ij+u_ldown,l) = ne_ldown*(berni(ij)-berni(ij+t_ldown)) |
---|
[529] | 675 | END DO |
---|
| 676 | ELSE |
---|
| 677 | !DIR$ SIMD |
---|
| 678 | DO ij=ij_begin,ij_end |
---|
| 679 | du(ij+u_right,l) = du(ij+u_right,l) + & |
---|
| 680 | ne_right*(berni(ij)-berni(ij+t_right)) |
---|
| 681 | du(ij+u_lup,l) = du(ij+u_lup,l) + & |
---|
| 682 | ne_lup*(berni(ij)-berni(ij+t_lup)) |
---|
| 683 | du(ij+u_ldown,l) = du(ij+u_ldown,l) + & |
---|
| 684 | ne_ldown*(berni(ij)-berni(ij+t_ldown)) |
---|
| 685 | END DO |
---|
| 686 | END IF |
---|
[369] | 687 | END DO |
---|
[362] | 688 | |
---|
[369] | 689 | CALL trace_end("compute_caldyn_slow_hydro") |
---|
| 690 | END SUBROUTINE compute_caldyn_slow_hydro |
---|
[362] | 691 | |
---|
[369] | 692 | SUBROUTINE compute_caldyn_slow_NH(u,rhodz,Phi,W, hflux,du,dPhi,dW) |
---|
| 693 | REAL(rstd),INTENT(IN) :: u(3*iim*jjm,llm) ! prognostic "velocity" |
---|
| 694 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) ! rho*dz |
---|
| 695 | REAL(rstd),INTENT(IN) :: Phi(iim*jjm,llm+1) ! prognostic geopotential |
---|
| 696 | REAL(rstd),INTENT(IN) :: W(iim*jjm,llm+1) ! prognostic vertical momentum |
---|
[362] | 697 | |
---|
[369] | 698 | REAL(rstd),INTENT(OUT) :: hflux(3*iim*jjm,llm) ! hflux in kg/s |
---|
| 699 | REAL(rstd),INTENT(OUT) :: du(3*iim*jjm,llm) |
---|
| 700 | REAL(rstd),INTENT(OUT) :: dW(iim*jjm,llm+1) |
---|
| 701 | REAL(rstd),INTENT(OUT) :: dPhi(iim*jjm,llm+1) |
---|
| 702 | |
---|
| 703 | REAL(rstd) :: w_il(3*iim*jjm,llm+1) ! Wil/mil |
---|
| 704 | REAL(rstd) :: F_el(3*iim*jjm,llm+1) ! NH mass flux |
---|
| 705 | REAL(rstd) :: GradPhi2(3*iim*jjm,llm+1) ! grad_Phi**2 |
---|
| 706 | REAL(rstd) :: DePhil(3*iim*jjm,llm+1) ! grad(Phi) |
---|
| 707 | REAL(rstd) :: berni(iim*jjm) ! Bernoulli function |
---|
| 708 | REAL(rstd) :: G_el(3*iim*jjm) ! horizontal flux of W |
---|
| 709 | REAL(rstd) :: v_el(3*iim*jjm) |
---|
| 710 | |
---|
| 711 | INTEGER :: ij,l,kdown,kup |
---|
| 712 | REAL(rstd) :: uu_right, uu_lup, uu_ldown, W_el, W2_el |
---|
| 713 | |
---|
| 714 | CALL trace_start("compute_caldyn_slow_NH") |
---|
| 715 | |
---|
| 716 | le_de(:) = le(:)/de(:) ! FIXME - make sure le_de is what we expect |
---|
| 717 | |
---|
| 718 | DO l=ll_begin, ll_endp1 ! compute on l levels (interfaces) |
---|
| 719 | IF(l==1) THEN |
---|
| 720 | kdown=1 |
---|
| 721 | ELSE |
---|
| 722 | kdown=l-1 |
---|
| 723 | END IF |
---|
| 724 | IF(l==llm+1) THEN |
---|
| 725 | kup=llm |
---|
| 726 | ELSE |
---|
| 727 | kup=l |
---|
| 728 | END IF |
---|
[377] | 729 | ! below : "checked" means "formula also valid when kup=kdown (top/bottom)" |
---|
[369] | 730 | ! compute mil, wil=Wil/mil |
---|
| 731 | DO ij=ij_begin_ext, ij_end_ext |
---|
[377] | 732 | w_il(ij,l) = 2.*W(ij,l)/(rhodz(ij,kdown)+rhodz(ij,kup)) ! checked |
---|
[369] | 733 | END DO |
---|
| 734 | ! compute DePhi, v_el, G_el, F_el |
---|
| 735 | ! v_el, W2_el and therefore G_el incorporate metric factor le_de |
---|
| 736 | ! while DePhil, W_el and F_el don't |
---|
| 737 | DO ij=ij_begin_ext, ij_end_ext |
---|
| 738 | ! Compute on edge 'right' |
---|
| 739 | W_el = .5*( W(ij,l)+W(ij+t_right,l) ) |
---|
| 740 | DePhil(ij+u_right,l) = ne_right*(Phi(ij+t_right,l)-Phi(ij,l)) |
---|
| 741 | F_el(ij+u_right,l) = DePhil(ij+u_right,l)*W_el |
---|
| 742 | W2_el = .5*le_de(ij+u_right) * & |
---|
| 743 | ( W(ij,l)*w_il(ij,l) + W(ij+t_right,l)*w_il(ij+t_right,l) ) |
---|
[377] | 744 | v_el(ij+u_right) = .5*le_de(ij+u_right)*(u(ij+u_right,kup)+u(ij+u_right,kdown)) ! checked |
---|
[369] | 745 | G_el(ij+u_right) = v_el(ij+u_right)*W_el - DePhil(ij+u_right,l)*W2_el |
---|
| 746 | ! Compute on edge 'lup' |
---|
| 747 | W_el = .5*( W(ij,l)+W(ij+t_lup,l) ) |
---|
| 748 | DePhil(ij+u_lup,l) = ne_lup*(Phi(ij+t_lup,l)-Phi(ij,l)) |
---|
| 749 | F_el(ij+u_lup,l) = DePhil(ij+u_lup,l)*W_el |
---|
| 750 | W2_el = .5*le_de(ij+u_lup) * & |
---|
| 751 | ( W(ij,l)*w_il(ij,l) + W(ij+t_lup,l)*w_il(ij+t_lup,l) ) |
---|
[377] | 752 | v_el(ij+u_lup) = .5*le_de(ij+u_lup)*( u(ij+u_lup,kup) + u(ij+u_lup,kdown)) ! checked |
---|
[369] | 753 | G_el(ij+u_lup) = v_el(ij+u_lup)*W_el - DePhil(ij+u_lup,l)*W2_el |
---|
| 754 | ! Compute on edge 'ldown' |
---|
| 755 | W_el = .5*( W(ij,l)+W(ij+t_ldown,l) ) |
---|
| 756 | DePhil(ij+u_ldown,l) = ne_ldown*(Phi(ij+t_ldown,l)-Phi(ij,l)) |
---|
| 757 | F_el(ij+u_ldown,l) = DePhil(ij+u_ldown,l)*W_el |
---|
| 758 | W2_el = .5*le_de(ij+u_ldown) * & |
---|
| 759 | ( W(ij,l)*w_il(ij,l) + W(ij+t_ldown,l)*w_il(ij+t_ldown,l) ) |
---|
[377] | 760 | v_el(ij+u_ldown) = .5*le_de(ij+u_ldown)*( u(ij+u_ldown,kup) + u(ij+u_ldown,kdown)) ! checked |
---|
[369] | 761 | G_el(ij+u_ldown) = v_el(ij+u_ldown)*W_el - DePhil(ij+u_ldown,l)*W2_el |
---|
| 762 | END DO |
---|
| 763 | ! compute GradPhi2, dPhi, dW |
---|
| 764 | DO ij=ij_begin_ext, ij_end_ext |
---|
| 765 | gradPhi2(ij,l) = & |
---|
| 766 | 1/(2*Ai(ij))*(le_de(ij+u_right)*DePhil(ij+u_right,l)**2 + & |
---|
| 767 | le_de(ij+u_rup)*DePhil(ij+u_rup,l)**2 + & |
---|
| 768 | le_de(ij+u_lup)*DePhil(ij+u_lup,l)**2 + & |
---|
| 769 | le_de(ij+u_left)*DePhil(ij+u_left,l)**2 + & |
---|
| 770 | le_de(ij+u_ldown)*DePhil(ij+u_ldown,l)**2 + & |
---|
| 771 | le_de(ij+u_rdown)*DePhil(ij+u_rdown,l)**2 ) |
---|
[377] | 772 | ! gradPhi2(ij,l) = 0. ! FIXME !! |
---|
| 773 | |
---|
| 774 | dPhi(ij,l) = gradPhi2(ij,l)*w_il(ij,l) -1/(2*Ai(ij))* & |
---|
[369] | 775 | ( DePhil(ij+u_right,l)*v_el(ij+u_right) + & ! -v.gradPhi, |
---|
| 776 | DePhil(ij+u_rup,l)*v_el(ij+u_rup) + & ! v_el already has le_de |
---|
| 777 | DePhil(ij+u_lup,l)*v_el(ij+u_lup) + & |
---|
| 778 | DePhil(ij+u_left,l)*v_el(ij+u_left) + & |
---|
| 779 | DePhil(ij+u_ldown,l)*v_el(ij+u_ldown) + & |
---|
| 780 | DePhil(ij+u_rdown,l)*v_el(ij+u_rdown) ) |
---|
[377] | 781 | |
---|
[369] | 782 | dW(ij,l) = -1./Ai(ij)*( & ! -div(G_el), |
---|
| 783 | ne_right*G_el(ij+u_right) + & ! G_el already has le_de |
---|
| 784 | ne_rup*G_el(ij+u_rup) + & |
---|
| 785 | ne_lup*G_el(ij+u_lup) + & |
---|
| 786 | ne_left*G_el(ij+u_left) + & |
---|
| 787 | ne_ldown*G_el(ij+u_ldown) + & |
---|
| 788 | ne_rdown*G_el(ij+u_rdown)) |
---|
| 789 | END DO |
---|
| 790 | END DO |
---|
[377] | 791 | ! FIXME !! |
---|
| 792 | ! F_el(:,:)=0. |
---|
| 793 | ! dPhi(:,:)=0. |
---|
| 794 | ! dW(:,:)=0. |
---|
| 795 | |
---|
[369] | 796 | DO l=ll_begin, ll_end ! compute on k levels (layers) |
---|
| 797 | ! Compute berni at scalar points |
---|
| 798 | DO ij=ij_begin_ext, ij_end_ext |
---|
| 799 | berni(ij) = & |
---|
| 800 | 1/(4*Ai(ij))*( & |
---|
| 801 | le_de(ij+u_right)*u(ij+u_right,l)**2 + & |
---|
| 802 | le_de(ij+u_rup)*u(ij+u_rup,l)**2 + & |
---|
| 803 | le_de(ij+u_lup)*u(ij+u_lup,l)**2 + & |
---|
| 804 | le_de(ij+u_left)*u(ij+u_left,l)**2 + & |
---|
| 805 | le_de(ij+u_ldown)*u(ij+u_ldown,l)**2 + & |
---|
| 806 | le_de(ij+u_rdown)*u(ij+u_rdown,l)**2 ) & |
---|
[499] | 807 | - .25*( gradPhi2(ij,l) *w_il(ij,l)**2 + & |
---|
[369] | 808 | gradPhi2(ij,l+1)*w_il(ij,l+1)**2 ) |
---|
| 809 | END DO |
---|
| 810 | ! Compute mass flux and grad(berni) at edges |
---|
| 811 | DO ij=ij_begin_ext, ij_end_ext |
---|
| 812 | ! Compute on edge 'right' |
---|
| 813 | uu_right = 0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l) & |
---|
| 814 | -0.5*(F_el(ij+u_right,l)+F_el(ij+u_right,l+1)) |
---|
| 815 | hflux(ij+u_right,l) = uu_right*le_de(ij+u_right) |
---|
[375] | 816 | du(ij+u_right,l) = ne_right*(berni(ij)-berni(ij+t_right)) |
---|
[369] | 817 | ! Compute on edge 'lup' |
---|
| 818 | uu_lup = 0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l) & |
---|
| 819 | -0.5*(F_el(ij+u_lup,l)+F_el(ij+u_lup,l+1)) |
---|
| 820 | hflux(ij+u_lup,l) = uu_lup*le_de(ij+u_lup) |
---|
[375] | 821 | du(ij+u_lup,l) = ne_lup*(berni(ij)-berni(ij+t_lup)) |
---|
[369] | 822 | ! Compute on edge 'ldown' |
---|
| 823 | uu_ldown = 0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l) & |
---|
| 824 | -0.5*(F_el(ij+u_ldown,l)+F_el(ij+u_ldown,l+1)) |
---|
| 825 | hflux(ij+u_ldown,l) = uu_ldown*le_de(ij+u_ldown) |
---|
[375] | 826 | du(ij+u_ldown,l) = ne_ldown*(berni(ij)-berni(ij+t_ldown)) |
---|
[369] | 827 | END DO |
---|
| 828 | END DO |
---|
[377] | 829 | ! FIXME !! |
---|
| 830 | ! du(:,:)=0. |
---|
| 831 | ! hflux(:,:)=0. |
---|
[369] | 832 | |
---|
| 833 | CALL trace_end("compute_caldyn_slow_NH") |
---|
| 834 | |
---|
| 835 | END SUBROUTINE compute_caldyn_slow_NH |
---|
| 836 | |
---|
[362] | 837 | END MODULE caldyn_kernels_hevi_mod |
---|