[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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| 34 | IF(DEC) THEN ! ps is actually Ms |
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| 35 | m = mass_dak(l)+(ps(ij)*g+ptop)*mass_dbk(l) |
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| 36 | ELSE |
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| 37 | m = mass_dak(l)+ps(ij)*mass_dbk(l) |
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| 38 | END IF |
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| 39 | rhodz(ij,l) = m/g |
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[404] | 40 | END DO |
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| 41 | END DO |
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| 42 | END IF |
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| 43 | |
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| 44 | DO l = ll_begin,ll_end |
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| 45 | DO iq=1,nqdyn |
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[362] | 46 | !DIR$ SIMD |
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| 47 | DO ij=ij_begin_ext,ij_end_ext |
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[404] | 48 | theta(ij,l,iq) = theta_rhodz(ij,l,iq)/rhodz(ij,l) |
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| 49 | END DO |
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| 50 | END DO |
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| 51 | END DO |
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[362] | 52 | |
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| 53 | CALL trace_end("compute_theta") |
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| 54 | END SUBROUTINE compute_theta |
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| 55 | |
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| 56 | SUBROUTINE compute_pvort_only(u,rhodz,qu,qv) |
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| 57 | REAL(rstd),INTENT(IN) :: u(iim*3*jjm,llm) |
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| 58 | REAL(rstd),INTENT(INOUT) :: rhodz(iim*jjm,llm) |
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| 59 | REAL(rstd),INTENT(OUT) :: qu(iim*3*jjm,llm) |
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| 60 | REAL(rstd),INTENT(OUT) :: qv(iim*2*jjm,llm) |
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| 61 | |
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| 62 | INTEGER :: ij,l |
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| 63 | REAL(rstd) :: etav,hv,radius_m2 |
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| 64 | |
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| 65 | CALL trace_start("compute_pvort_only") |
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| 66 | !!! Compute shallow-water potential vorticity |
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| 67 | radius_m2=radius**(-2) |
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| 68 | DO l = ll_begin,ll_end |
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| 69 | !DIR$ SIMD |
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| 70 | DO ij=ij_begin_ext,ij_end_ext |
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| 71 | IF(DEC) THEN |
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| 72 | etav= 1./Av(ij+z_up)*( ne_rup * u(ij+u_rup,l) & |
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| 73 | + ne_left * u(ij+t_rup+u_left,l) & |
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| 74 | - ne_lup * u(ij+u_lup,l) ) |
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| 75 | |
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| 76 | hv = Riv2(ij,vup) * rhodz(ij,l) & |
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| 77 | + Riv2(ij+t_rup,vldown) * rhodz(ij+t_rup,l) & |
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| 78 | + Riv2(ij+t_lup,vrdown) * rhodz(ij+t_lup,l) |
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| 79 | qv(ij+z_up,l) = ( etav+fv(ij+z_up) )/hv |
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| 80 | |
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| 81 | etav = 1./Av(ij+z_down)*( ne_ldown * u(ij+u_ldown,l) & |
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| 82 | + ne_right * u(ij+t_ldown+u_right,l) & |
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| 83 | - ne_rdown * u(ij+u_rdown,l) ) |
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| 84 | hv = Riv2(ij,vdown) * rhodz(ij,l) & |
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| 85 | + Riv2(ij+t_ldown,vrup) * rhodz(ij+t_ldown,l) & |
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| 86 | + Riv2(ij+t_rdown,vlup) * rhodz(ij+t_rdown,l) |
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| 87 | qv(ij+z_down,l) =( etav+fv(ij+z_down) )/hv |
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| 88 | ELSE |
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| 89 | etav= 1./Av(ij+z_up)*( ne_rup * u(ij+u_rup,l) * de(ij+u_rup) & |
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| 90 | + ne_left * u(ij+t_rup+u_left,l) * de(ij+t_rup+u_left) & |
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| 91 | - ne_lup * u(ij+u_lup,l) * de(ij+u_lup) ) |
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| 92 | |
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| 93 | hv = Riv2(ij,vup) * rhodz(ij,l) & |
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| 94 | + Riv2(ij+t_rup,vldown) * rhodz(ij+t_rup,l) & |
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| 95 | + Riv2(ij+t_lup,vrdown) * rhodz(ij+t_lup,l) |
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| 96 | qv(ij+z_up,l) = ( etav+fv(ij+z_up) )/hv |
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| 97 | |
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| 98 | etav = 1./Av(ij+z_down)*( ne_ldown * u(ij+u_ldown,l) * de(ij+u_ldown) & |
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| 99 | + ne_right * u(ij+t_ldown+u_right,l) * de(ij+t_ldown+u_right) & |
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| 100 | - ne_rdown * u(ij+u_rdown,l) * de(ij+u_rdown) ) |
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| 101 | hv = Riv2(ij,vdown) * rhodz(ij,l) & |
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| 102 | + Riv2(ij+t_ldown,vrup) * rhodz(ij+t_ldown,l) & |
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| 103 | + Riv2(ij+t_rdown,vlup) * rhodz(ij+t_rdown,l) |
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| 104 | qv(ij+z_down,l) =( etav+fv(ij+z_down) )/hv |
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| 105 | END IF |
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| 106 | ENDDO |
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| 107 | |
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| 108 | !DIR$ SIMD |
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| 109 | DO ij=ij_begin,ij_end |
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| 110 | qu(ij+u_right,l) = 0.5*(qv(ij+z_rdown,l)+qv(ij+z_rup,l)) |
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| 111 | qu(ij+u_lup,l) = 0.5*(qv(ij+z_up,l)+qv(ij+z_lup,l)) |
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| 112 | qu(ij+u_ldown,l) = 0.5*(qv(ij+z_ldown,l)+qv(ij+z_down,l)) |
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| 113 | END DO |
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| 114 | |
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| 115 | ENDDO |
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| 116 | |
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| 117 | CALL trace_end("compute_pvort_only") |
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| 118 | |
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| 119 | END SUBROUTINE compute_pvort_only |
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| 120 | |
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[368] | 121 | SUBROUTINE compute_NH_geopot(tau, m_ik, m_il, theta, W_il, Phi_il) |
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| 122 | REAL(rstd),INTENT(IN) :: tau ! solve Phi-tau*dPhi/dt = Phi_rhs |
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| 123 | REAL(rstd),INTENT(IN) :: m_ik(iim*jjm,llm) |
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| 124 | REAL(rstd),INTENT(IN) :: m_il(iim*jjm,llm+1) |
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| 125 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm) |
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| 126 | REAL(rstd),INTENT(IN) :: W_il(iim*jjm,llm+1) ! vertical momentum |
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| 127 | REAL(rstd),INTENT(INOUT) :: Phi_il(iim*jjm,llm+1) ! geopotential |
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| 128 | |
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| 129 | REAL(rstd) :: Phi_star_il(iim*jjm,llm+1) |
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| 130 | REAL(rstd) :: p_ik(iim*jjm,llm) ! pressure |
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| 131 | REAL(rstd) :: R_il(iim*jjm,llm+1) ! rhs of tridiag problem |
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| 132 | REAL(rstd) :: x_il(iim*jjm,llm+1) ! solution of tridiag problem |
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| 133 | REAL(rstd) :: A_ik(iim*jjm,llm) ! off-diagonal coefficients of tridiag problem |
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| 134 | REAL(rstd) :: B_il(iim*jjm,llm+1) ! diagonal coefficients of tridiag problem |
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| 135 | REAL(rstd) :: C_ik(iim*jjm,llm) ! Thomas algorithm |
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| 136 | REAL(rstd) :: D_il(iim*jjm,llm+1) ! Thomas algorithm |
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| 137 | REAL(rstd) :: gamma, rho_ij, X_ij, Y_ij |
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| 138 | REAL(rstd) :: wil, tau2_g, g2, gm2, ml_g2, c2_mik |
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| 139 | |
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| 140 | INTEGER :: iter, ij, l |
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| 141 | |
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| 142 | ! FIXME : vertical OpenMP parallelism will not work |
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| 143 | |
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| 144 | tau2_g=tau*tau/g |
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| 145 | g2=g*g |
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| 146 | gm2 = g**-2 |
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| 147 | gamma = 1./(1.-kappa) |
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| 148 | |
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| 149 | ! compute Phi_star |
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| 150 | DO l=1,llm+1 |
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| 151 | !DIR$ SIMD |
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| 152 | DO ij=ij_begin_ext,ij_end_ext |
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| 153 | Phi_star_il(ij,l) = Phi_il(ij,l) + tau*g2*(W_il(ij,l)/m_il(ij,l)-tau) |
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| 154 | ENDDO |
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| 155 | ENDDO |
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| 156 | |
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| 157 | ! Newton-Raphson iteration : Phi_il contains current guess value |
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[377] | 158 | DO iter=1,5 ! 2 iterations should be enough |
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[368] | 159 | |
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| 160 | ! Compute pressure, A_ik |
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| 161 | DO l=1,llm |
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| 162 | !DIR$ SIMD |
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| 163 | DO ij=ij_begin_ext,ij_end_ext |
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| 164 | rho_ij = (g*m_ik(ij,l))/(Phi_il(ij,l+1)-Phi_il(ij,l)) |
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| 165 | X_ij = (cpp/preff)*kappa*theta(ij,l)*rho_ij |
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| 166 | p_ik(ij,l) = preff*(X_ij**gamma) |
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| 167 | 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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| 168 | A_ik(ij,l) = c2_mik*(tau/g*rho_ij)**2 |
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| 169 | ENDDO |
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| 170 | ENDDO |
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| 171 | |
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| 172 | ! Compute residual, B_il |
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| 173 | ! bottom interface l=1 |
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| 174 | !DIR$ SIMD |
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| 175 | DO ij=ij_begin_ext,ij_end_ext |
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| 176 | ml_g2 = gm2*m_il(ij,1) |
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| 177 | B_il(ij,1) = A_ik(ij,1) + ml_g2 + tau2_g*rho_bot |
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| 178 | R_il(ij,1) = ml_g2*( Phi_il(ij,1)-Phi_star_il(ij,1)) & |
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| 179 | + tau2_g*( p_ik(ij,1)-pbot+rho_bot*(Phi_il(ij,1)-Phi_bot) ) |
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| 180 | ENDDO |
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| 181 | ! inner interfaces |
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| 182 | DO l=2,llm |
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| 183 | !DIR$ SIMD |
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| 184 | DO ij=ij_begin_ext,ij_end_ext |
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| 185 | ml_g2 = gm2*m_il(ij,l) |
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| 186 | B_il(ij,l) = A_ik(ij,l)+A_ik(ij,l-1) + ml_g2 |
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| 187 | R_il(ij,l) = ml_g2*( Phi_il(ij,l)-Phi_star_il(ij,l)) & |
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| 188 | + tau2_g*(p_ik(ij,l)-p_ik(ij,l-1)) |
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| 189 | ! consistency check : if Wil=0 and initial state is in hydrostatic balance |
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| 190 | ! then Phi_star_il(ij,l) = Phi_il(ij,l) - tau^2*g^2 |
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| 191 | ! and residual = tau^2*(ml+(1/g)dl_pi)=0 |
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| 192 | ENDDO |
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| 193 | ENDDO |
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| 194 | ! top interface l=llm+1 |
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| 195 | !DIR$ SIMD |
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| 196 | DO ij=ij_begin_ext,ij_end_ext |
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| 197 | ml_g2 = gm2*m_il(ij,llm+1) |
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| 198 | B_il(ij,llm+1) = A_ik(ij,llm) + ml_g2 |
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| 199 | R_il(ij,llm+1) = ml_g2*( Phi_il(ij,llm+1)-Phi_star_il(ij,llm+1)) & |
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| 200 | + tau2_g*( ptop-p_ik(ij,llm) ) |
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| 201 | ENDDO |
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| 202 | |
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| 203 | ! FIXME later |
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| 204 | ! the lines below modify the tridiag problem |
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| 205 | ! for flat, rigid boundary conditions at top and bottom : |
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| 206 | ! zero out A(1), A(llm), R(1), R(llm+1) |
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| 207 | ! => x(l)=0 at l=1,llm+1 |
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| 208 | DO ij=ij_begin_ext,ij_end_ext |
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| 209 | A_ik(ij,1) = 0. |
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| 210 | A_ik(ij,llm) = 0. |
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| 211 | R_il(ij,1) = 0. |
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| 212 | R_il(ij,llm+1) = 0. |
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| 213 | ENDDO |
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| 214 | |
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| 215 | IF(debug_hevi_solver) THEN ! print Linf(residual) |
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| 216 | PRINT *, '[hevi_solver] R,p', iter, MAXVAL(ABS(R_il)), MAXVAL(p_ik) |
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| 217 | END IF |
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| 218 | |
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| 219 | ! 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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| 220 | ! Forward sweep : |
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| 221 | ! C(0)=0, C(l) = -A(l) / (B(l)+A(l-1)C(l-1)), |
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| 222 | ! 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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| 223 | ! bottom interface l=1 |
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| 224 | !DIR$ SIMD |
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| 225 | DO ij=ij_begin_ext,ij_end_ext |
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| 226 | X_ij = 1./B_il(ij,1) |
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| 227 | C_ik(ij,1) = -A_ik(ij,1) * X_ij |
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| 228 | D_il(ij,1) = R_il(ij,1) * X_ij |
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| 229 | ENDDO |
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| 230 | ! inner interfaces/layers |
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| 231 | DO l=2,llm |
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| 232 | !DIR$ SIMD |
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| 233 | DO ij=ij_begin_ext,ij_end_ext |
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| 234 | X_ij = 1./(B_il(ij,l) + A_ik(ij,l-1)*C_ik(ij,l-1)) |
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| 235 | C_ik(ij,l) = -A_ik(ij,l) * X_ij |
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| 236 | D_il(ij,l) = (R_il(ij,l)+A_ik(ij,l-1)*D_il(ij,l-1)) * X_ij |
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| 237 | ENDDO |
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| 238 | ENDDO |
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| 239 | ! top interface l=llm+1 |
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| 240 | !DIR$ SIMD |
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| 241 | DO ij=ij_begin_ext,ij_end_ext |
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| 242 | X_ij = 1./(B_il(ij,llm+1) + A_ik(ij,llm)*C_ik(ij,llm)) |
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| 243 | D_il(ij,llm+1) = (R_il(ij,llm+1)+A_ik(ij,llm)*D_il(ij,llm)) * X_ij |
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| 244 | ENDDO |
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| 245 | |
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| 246 | ! Back substitution : |
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| 247 | ! x(i) = D(i)-C(i)x(i+1), x(N+1)=0 |
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| 248 | ! + Newton-Raphson update |
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| 249 | x_il=0. ! FIXME |
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| 250 | ! top interface l=llm+1 |
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| 251 | !DIR$ SIMD |
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| 252 | DO ij=ij_begin_ext,ij_end_ext |
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| 253 | x_il(ij,llm+1) = D_il(ij,llm+1) |
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| 254 | Phi_il(ij,llm+1) = Phi_il(ij,llm+1) - x_il(ij,llm+1) |
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| 255 | ENDDO |
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| 256 | ! lower interfaces |
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| 257 | DO l=llm,1,-1 |
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| 258 | !DIR$ SIMD |
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| 259 | DO ij=ij_begin_ext,ij_end_ext |
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| 260 | x_il(ij,l) = D_il(ij,l) - C_ik(ij,l)*x_il(ij,l+1) |
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| 261 | Phi_il(ij,l) = Phi_il(ij,l) - x_il(ij,l) |
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| 262 | ENDDO |
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| 263 | ENDDO |
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| 264 | |
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| 265 | IF(debug_hevi_solver) THEN |
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| 266 | PRINT *, '[hevi_solver] A,B', iter, MAXVAL(ABS(A_ik)),MAXVAL(ABS(B_il)) |
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| 267 | PRINT *, '[hevi_solver] C,D', iter, MAXVAL(ABS(C_ik)),MAXVAL(ABS(D_il)) |
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| 268 | DO l=1,llm+1 |
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| 269 | WRITE(*,'(A,I2.1,I3.2,E9.2)'), '[hevi_solver] x', iter,l, MAXVAL(ABS(x_il(:,l))) |
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| 270 | END DO |
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| 271 | END IF |
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| 272 | |
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| 273 | END DO ! Newton-Raphson |
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| 274 | |
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| 275 | END SUBROUTINE compute_NH_geopot |
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| 276 | |
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[369] | 277 | SUBROUTINE compute_caldyn_solver(tau,rhodz,theta,pk, geopot,W, dPhi,dW,du) |
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[366] | 278 | REAL(rstd),INTENT(IN) :: tau ! "solve" Phi-tau*dPhi/dt = Phi_rhs |
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| 279 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
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| 280 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm) |
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| 281 | REAL(rstd),INTENT(OUT) :: pk(iim*jjm,llm) |
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| 282 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) |
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| 283 | REAL(rstd),INTENT(INOUT) :: W(iim*jjm,llm+1) ! OUT if tau>0 |
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| 284 | REAL(rstd),INTENT(OUT) :: dW(iim*jjm,llm+1) |
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| 285 | REAL(rstd),INTENT(OUT) :: dPhi(iim*jjm,llm+1) |
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[369] | 286 | REAL(rstd),INTENT(OUT) :: du(3*iim*jjm,llm) |
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[366] | 287 | |
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[368] | 288 | REAL(rstd) :: m_il(iim*jjm,llm+1) ! rhodz averaged to interfaces |
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[369] | 289 | REAL(rstd) :: berni(iim*jjm) ! (W/m_il)^2 |
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[368] | 290 | REAL(rstd) :: gamma, rho_ij, X_ij, Y_ij |
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| 291 | INTEGER :: ij, l |
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[366] | 292 | |
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| 293 | CALL trace_start("compute_caldyn_solver") |
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| 294 | |
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[368] | 295 | ! FIXME : vertical OpenMP parallelism will not work |
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[366] | 296 | |
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[368] | 297 | ! average m_ik to interfaces => m_il |
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| 298 | !DIR$ SIMD |
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| 299 | DO ij=ij_begin_ext,ij_end_ext |
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| 300 | m_il(ij,1) = .5*rhodz(ij,1) |
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| 301 | ENDDO |
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| 302 | DO l=2,llm |
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| 303 | !DIR$ SIMD |
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| 304 | DO ij=ij_begin_ext,ij_end_ext |
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| 305 | m_il(ij,l) = .5*(rhodz(ij,l-1)+rhodz(ij,l)) |
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| 306 | ENDDO |
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| 307 | ENDDO |
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| 308 | !DIR$ SIMD |
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| 309 | DO ij=ij_begin_ext,ij_end_ext |
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| 310 | m_il(ij,llm+1) = .5*rhodz(ij,llm) |
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| 311 | ENDDO |
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| 312 | |
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| 313 | IF(tau>0) THEN ! solve implicit problem for geopotential |
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| 314 | CALL compute_NH_geopot(tau, rhodz, m_il, theta, W, geopot) |
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[366] | 315 | END IF |
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| 316 | |
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| 317 | ! Compute pressure, stored temporarily in pk |
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| 318 | ! kappa = R/Cp |
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| 319 | ! 1-kappa = Cv/Cp |
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| 320 | ! Cp/Cv = 1/(1-kappa) |
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| 321 | gamma = 1./(1.-kappa) |
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[368] | 322 | DO l=1,llm |
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[366] | 323 | !DIR$ SIMD |
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[368] | 324 | DO ij=ij_begin_ext,ij_end_ext |
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[366] | 325 | rho_ij = (g*rhodz(ij,l))/(geopot(ij,l+1)-geopot(ij,l)) |
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| 326 | X_ij = (cpp/preff)*kappa*theta(ij,l)*rho_ij |
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| 327 | ! kappa.theta.rho = p/exner |
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| 328 | ! => X = (p/p0)/(exner/Cp) |
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| 329 | ! = (p/p0)^(1-kappa) |
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| 330 | pk(ij,l) = preff*(X_ij**gamma) |
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| 331 | ENDDO |
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| 332 | ENDDO |
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| 333 | |
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[369] | 334 | ! Update W, compute tendencies |
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[368] | 335 | DO l=2,llm |
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[366] | 336 | !DIR$ SIMD |
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[368] | 337 | DO ij=ij_begin_ext,ij_end_ext |
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| 338 | dW(ij,l) = (1./g)*(pk(ij,l-1)-pk(ij,l)) - m_il(ij,l) |
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| 339 | W(ij,l) = W(ij,l)+tau*dW(ij,l) ! update W |
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| 340 | dPhi(ij,l) = g*g*W(ij,l)/m_il(ij,l) |
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[366] | 341 | ENDDO |
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| 342 | ! PRINT *,'Max dPhi', l,ij_begin,ij_end, MAXVAL(abs(dPhi(ij_begin:ij_end,l))) |
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| 343 | ! PRINT *,'Max dW', l,ij_begin,ij_end, MAXVAL(abs(dW(ij_begin:ij_end,l))) |
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| 344 | ENDDO |
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| 345 | ! Lower BC (FIXME : no orography yet !) |
---|
| 346 | DO ij=ij_begin,ij_end |
---|
| 347 | dPhi(ij,1)=0 |
---|
| 348 | W(ij,1)=0 |
---|
| 349 | dW(ij,1)=0 |
---|
| 350 | dPhi(ij,llm+1)=0 ! rigid lid |
---|
| 351 | W(ij,llm+1)=0 |
---|
| 352 | dW(ij,llm+1)=0 |
---|
| 353 | ENDDO |
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| 354 | ! Upper BC p=ptop |
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[368] | 355 | ! DO ij=ij_omp_begin_ext,ij_omp_end_ext |
---|
| 356 | ! dPhi(ij,llm+1) = W(ij,llm+1)/rhodz(ij,llm) |
---|
| 357 | ! dW(ij,llm+1) = (1./g)*(pk(ij,llm)-ptop) - .5*rhodz(ij,llm) |
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| 358 | ! ENDDO |
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[366] | 359 | |
---|
[375] | 360 | ! Compute Exner function (needed by compute_caldyn_fast) and du=-g^2.grad(w^2) |
---|
[368] | 361 | DO l=1,llm |
---|
[366] | 362 | !DIR$ SIMD |
---|
[368] | 363 | DO ij=ij_begin_ext,ij_end_ext |
---|
[366] | 364 | pk(ij,l) = cpp*((pk(ij,l)/preff)**kappa) ! other formulae possible if exponentiation is slow |
---|
[499] | 365 | berni(ij) = (-.25*g*g)*( & |
---|
[375] | 366 | (W(ij,l)/m_il(ij,l))**2 & |
---|
[369] | 367 | + (W(ij,l+1)/m_il(ij,l+1))**2 ) |
---|
[366] | 368 | ENDDO |
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[369] | 369 | DO ij=ij_begin,ij_end |
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[375] | 370 | du(ij+u_right,l) = ne_right*(berni(ij)-berni(ij+t_right)) |
---|
| 371 | du(ij+u_lup,l) = ne_lup *(berni(ij)-berni(ij+t_lup)) |
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| 372 | du(ij+u_ldown,l) = ne_ldown*(berni(ij)-berni(ij+t_ldown)) |
---|
[369] | 373 | ENDDO |
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[366] | 374 | ENDDO |
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| 375 | |
---|
| 376 | CALL trace_end("compute_caldyn_solver") |
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| 377 | |
---|
| 378 | END SUBROUTINE compute_caldyn_solver |
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| 379 | |
---|
| 380 | SUBROUTINE compute_caldyn_fast(tau,u,rhodz,theta,pk,geopot,du) |
---|
| 381 | REAL(rstd),INTENT(IN) :: tau ! "solve" u-tau*du/dt = rhs |
---|
| 382 | REAL(rstd),INTENT(INOUT) :: u(iim*3*jjm,llm) ! OUT if tau>0 |
---|
| 383 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
---|
[405] | 384 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) |
---|
[366] | 385 | REAL(rstd),INTENT(INOUT) :: pk(iim*jjm,llm) |
---|
| 386 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) |
---|
[369] | 387 | REAL(rstd),INTENT(INOUT) :: du(iim*3*jjm,llm) |
---|
[362] | 388 | REAL(rstd) :: berni(iim*jjm,llm) ! Bernoulli function |
---|
[405] | 389 | REAL(rstd) :: berniv(iim*jjm,llm) ! moist Bernoulli function |
---|
[362] | 390 | |
---|
| 391 | INTEGER :: i,j,ij,l |
---|
[405] | 392 | REAL(rstd) :: Rd, qv, temp, chi, nu, due_right, due_lup, due_ldown |
---|
[362] | 393 | |
---|
| 394 | CALL trace_start("compute_caldyn_fast") |
---|
[366] | 395 | |
---|
[405] | 396 | Rd=cpp*kappa |
---|
| 397 | |
---|
[366] | 398 | ! Compute Bernoulli term |
---|
[362] | 399 | IF(boussinesq) THEN |
---|
| 400 | DO l=ll_begin,ll_end |
---|
| 401 | !DIR$ SIMD |
---|
| 402 | DO ij=ij_begin,ij_end |
---|
| 403 | berni(ij,l) = pk(ij,l) |
---|
| 404 | ! from now on pk contains the vertically-averaged geopotential |
---|
| 405 | pk(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
---|
[401] | 406 | END DO |
---|
| 407 | END DO |
---|
[362] | 408 | ELSE ! compressible |
---|
| 409 | |
---|
| 410 | DO l=ll_begin,ll_end |
---|
[401] | 411 | SELECT CASE(caldyn_thermo) |
---|
| 412 | CASE(thermo_theta) ! vdp = theta.dpi => B = Phi |
---|
| 413 | !DIR$ SIMD |
---|
| 414 | DO ij=ij_begin,ij_end |
---|
| 415 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
---|
| 416 | END DO |
---|
| 417 | CASE(thermo_entropy) ! vdp = dG + sdT => B = Phi + G, G=h-Ts=T*(cpp-s) |
---|
| 418 | !DIR$ SIMD |
---|
| 419 | DO ij=ij_begin,ij_end |
---|
| 420 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
---|
[405] | 421 | + pk(ij,l)*(cpp-theta(ij,l,1)) ! pk=temperature, theta=entropy |
---|
[401] | 422 | END DO |
---|
[405] | 423 | CASE(thermo_moist) |
---|
| 424 | !DIR$ SIMD |
---|
| 425 | DO ij=ij_begin,ij_end |
---|
| 426 | ! du/dt = grad(Bd)+rv.grad(Bv)+s.grad(T) |
---|
| 427 | ! Bd = Phi + gibbs_d |
---|
| 428 | ! Bv = Phi + gibbs_v |
---|
| 429 | ! pk=temperature, theta=entropy |
---|
| 430 | qv = theta(ij,l,2) |
---|
| 431 | temp = pk(ij,l) |
---|
| 432 | chi = log(temp/Treff) |
---|
| 433 | nu = (chi*(cpp+qv*cppv)-theta(ij,l,1))/(Rd+qv*Rv) ! log(p/preff) |
---|
| 434 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
---|
| 435 | + temp*(cpp*(1.-chi)+Rd*nu) |
---|
| 436 | berniv(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
---|
| 437 | + temp*(cppv*(1.-chi)+Rv*nu) |
---|
| 438 | END DO |
---|
[401] | 439 | END SELECT |
---|
| 440 | END DO |
---|
[362] | 441 | |
---|
| 442 | END IF ! Boussinesq/compressible |
---|
| 443 | |
---|
[369] | 444 | !!! u:=u+tau*du, du = -grad(B)-theta.grad(pi) |
---|
[362] | 445 | DO l=ll_begin,ll_end |
---|
[405] | 446 | IF(caldyn_thermo == thermo_moist) THEN |
---|
| 447 | !DIR$ SIMD |
---|
| 448 | DO ij=ij_begin,ij_end |
---|
| 449 | due_right = berni(ij+t_right,l)-berni(ij,l) & |
---|
| 450 | + 0.5*(theta(ij,l,1)+theta(ij+t_right,l,1)) & |
---|
| 451 | *(pk(ij+t_right,l)-pk(ij,l)) & |
---|
| 452 | + 0.5*(theta(ij,l,2)+theta(ij+t_right,l,2)) & |
---|
| 453 | *(berniv(ij+t_right,l)-berniv(ij,l)) |
---|
| 454 | |
---|
| 455 | due_lup = berni(ij+t_lup,l)-berni(ij,l) & |
---|
| 456 | + 0.5*(theta(ij,l,1)+theta(ij+t_lup,l,1)) & |
---|
| 457 | *(pk(ij+t_lup,l)-pk(ij,l)) & |
---|
| 458 | + 0.5*(theta(ij,l,2)+theta(ij+t_lup,l,2)) & |
---|
| 459 | *(berniv(ij+t_lup,l)-berniv(ij,l)) |
---|
| 460 | |
---|
| 461 | due_ldown = berni(ij+t_ldown,l)-berni(ij,l) & |
---|
| 462 | + 0.5*(theta(ij,l,1)+theta(ij+t_ldown,l,1)) & |
---|
| 463 | *(pk(ij+t_ldown,l)-pk(ij,l)) & |
---|
| 464 | + 0.5*(theta(ij,l,2)+theta(ij+t_ldown,l,2)) & |
---|
| 465 | *(berniv(ij+t_ldown,l)-berniv(ij,l)) |
---|
| 466 | |
---|
| 467 | du(ij+u_right,l) = du(ij+u_right,l) - ne_right*due_right |
---|
| 468 | du(ij+u_lup,l) = du(ij+u_lup,l) - ne_lup*due_lup |
---|
| 469 | du(ij+u_ldown,l) = du(ij+u_ldown,l) - ne_ldown*due_ldown |
---|
| 470 | u(ij+u_right,l) = u(ij+u_right,l) + tau*du(ij+u_right,l) |
---|
| 471 | u(ij+u_lup,l) = u(ij+u_lup,l) + tau*du(ij+u_lup,l) |
---|
| 472 | u(ij+u_ldown,l) = u(ij+u_ldown,l) + tau*du(ij+u_ldown,l) |
---|
| 473 | END DO |
---|
| 474 | ELSE |
---|
| 475 | !DIR$ SIMD |
---|
| 476 | DO ij=ij_begin,ij_end |
---|
| 477 | due_right = 0.5*(theta(ij,l,1)+theta(ij+t_right,l,1)) & |
---|
| 478 | *(pk(ij+t_right,l)-pk(ij,l)) & |
---|
| 479 | + berni(ij+t_right,l)-berni(ij,l) |
---|
| 480 | due_lup = 0.5*(theta(ij,l,1)+theta(ij+t_lup,l,1)) & |
---|
| 481 | *(pk(ij+t_lup,l)-pk(ij,l)) & |
---|
| 482 | + berni(ij+t_lup,l)-berni(ij,l) |
---|
| 483 | due_ldown = 0.5*(theta(ij,l,1)+theta(ij+t_ldown,l,1)) & |
---|
| 484 | *(pk(ij+t_ldown,l)-pk(ij,l)) & |
---|
| 485 | + berni(ij+t_ldown,l)-berni(ij,l) |
---|
| 486 | du(ij+u_right,l) = du(ij+u_right,l) - ne_right*due_right |
---|
| 487 | du(ij+u_lup,l) = du(ij+u_lup,l) - ne_lup*due_lup |
---|
| 488 | du(ij+u_ldown,l) = du(ij+u_ldown,l) - ne_ldown*due_ldown |
---|
| 489 | u(ij+u_right,l) = u(ij+u_right,l) + tau*du(ij+u_right,l) |
---|
| 490 | u(ij+u_lup,l) = u(ij+u_lup,l) + tau*du(ij+u_lup,l) |
---|
| 491 | u(ij+u_ldown,l) = u(ij+u_ldown,l) + tau*du(ij+u_ldown,l) |
---|
| 492 | END DO |
---|
| 493 | END IF |
---|
| 494 | END DO |
---|
| 495 | |
---|
[362] | 496 | CALL trace_end("compute_caldyn_fast") |
---|
| 497 | |
---|
| 498 | END SUBROUTINE compute_caldyn_fast |
---|
| 499 | |
---|
[369] | 500 | SUBROUTINE compute_caldyn_Coriolis(hflux,theta,qu, convm,dtheta_rhodz,du) |
---|
| 501 | REAL(rstd),INTENT(IN) :: hflux(3*iim*jjm,llm) ! hflux in kg/s |
---|
[404] | 502 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) ! active scalars |
---|
[369] | 503 | REAL(rstd),INTENT(IN) :: qu(3*iim*jjm,llm) |
---|
[362] | 504 | REAL(rstd),INTENT(OUT) :: convm(iim*jjm,llm) ! mass flux convergence |
---|
[404] | 505 | REAL(rstd),INTENT(OUT) :: dtheta_rhodz(iim*jjm,llm,nqdyn) |
---|
[369] | 506 | REAL(rstd),INTENT(INOUT) :: du(3*iim*jjm,llm) |
---|
| 507 | |
---|
| 508 | REAL(rstd) :: Ftheta(3*iim*jjm) ! potential temperature flux |
---|
[362] | 509 | REAL(rstd) :: uu_right, uu_lup, uu_ldown |
---|
[404] | 510 | INTEGER :: ij,iq,l,kdown |
---|
[362] | 511 | |
---|
[369] | 512 | CALL trace_start("compute_caldyn_Coriolis") |
---|
[362] | 513 | |
---|
[369] | 514 | DO l=ll_begin, ll_end |
---|
| 515 | ! compute theta flux |
---|
[426] | 516 | DO iq=1,nqdyn |
---|
[362] | 517 | !DIR$ SIMD |
---|
[404] | 518 | DO ij=ij_begin_ext,ij_end_ext |
---|
| 519 | Ftheta(ij+u_right) = 0.5*(theta(ij,l,iq)+theta(ij+t_right,l,iq)) & |
---|
[369] | 520 | * hflux(ij+u_right,l) |
---|
[404] | 521 | Ftheta(ij+u_lup) = 0.5*(theta(ij,l,iq)+theta(ij+t_lup,l,iq)) & |
---|
| 522 | * hflux(ij+u_lup,l) |
---|
| 523 | Ftheta(ij+u_ldown) = 0.5*(theta(ij,l,iq)+theta(ij+t_ldown,l,iq)) & |
---|
| 524 | * hflux(ij+u_ldown,l) |
---|
| 525 | END DO |
---|
| 526 | ! horizontal divergence of fluxes |
---|
[426] | 527 | !DIR$ SIMD |
---|
[404] | 528 | DO ij=ij_begin,ij_end |
---|
| 529 | ! dtheta_rhodz = -div(flux.theta) |
---|
| 530 | dtheta_rhodz(ij,l,iq)= & |
---|
| 531 | -1./Ai(ij)*(ne_right*Ftheta(ij+u_right) + & |
---|
| 532 | ne_rup*Ftheta(ij+u_rup) + & |
---|
| 533 | ne_lup*Ftheta(ij+u_lup) + & |
---|
| 534 | ne_left*Ftheta(ij+u_left) + & |
---|
| 535 | ne_ldown*Ftheta(ij+u_ldown) + & |
---|
| 536 | ne_rdown*Ftheta(ij+u_rdown) ) |
---|
| 537 | END DO |
---|
| 538 | END DO |
---|
| 539 | |
---|
[426] | 540 | !DIR$ SIMD |
---|
[362] | 541 | DO ij=ij_begin,ij_end |
---|
| 542 | ! convm = -div(mass flux), sign convention as in Ringler et al. 2012, eq. 21 |
---|
| 543 | convm(ij,l)= -1./Ai(ij)*(ne_right*hflux(ij+u_right,l) + & |
---|
| 544 | ne_rup*hflux(ij+u_rup,l) + & |
---|
| 545 | ne_lup*hflux(ij+u_lup,l) + & |
---|
| 546 | ne_left*hflux(ij+u_left,l) + & |
---|
| 547 | ne_ldown*hflux(ij+u_ldown,l) + & |
---|
[404] | 548 | ne_rdown*hflux(ij+u_rdown,l)) |
---|
| 549 | END DO ! ij |
---|
| 550 | END DO ! llm |
---|
[362] | 551 | |
---|
| 552 | !!! Compute potential vorticity (Coriolis) contribution to du |
---|
[369] | 553 | SELECT CASE(caldyn_conserv) |
---|
[362] | 554 | |
---|
| 555 | CASE(energy) ! energy-conserving TRiSK |
---|
| 556 | |
---|
| 557 | DO l=ll_begin,ll_end |
---|
| 558 | !DIR$ SIMD |
---|
| 559 | DO ij=ij_begin,ij_end |
---|
| 560 | uu_right = & |
---|
| 561 | wee(ij+u_right,1,1)*hflux(ij+u_rup,l)*(qu(ij+u_right,l)+qu(ij+u_rup,l))+ & |
---|
| 562 | wee(ij+u_right,2,1)*hflux(ij+u_lup,l)*(qu(ij+u_right,l)+qu(ij+u_lup,l))+ & |
---|
| 563 | wee(ij+u_right,3,1)*hflux(ij+u_left,l)*(qu(ij+u_right,l)+qu(ij+u_left,l))+ & |
---|
| 564 | wee(ij+u_right,4,1)*hflux(ij+u_ldown,l)*(qu(ij+u_right,l)+qu(ij+u_ldown,l))+ & |
---|
| 565 | wee(ij+u_right,5,1)*hflux(ij+u_rdown,l)*(qu(ij+u_right,l)+qu(ij+u_rdown,l))+ & |
---|
| 566 | 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))+ & |
---|
| 567 | 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))+ & |
---|
| 568 | 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))+ & |
---|
| 569 | 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))+ & |
---|
| 570 | 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)) |
---|
| 571 | uu_lup = & |
---|
| 572 | wee(ij+u_lup,1,1)*hflux(ij+u_left,l)*(qu(ij+u_lup,l)+qu(ij+u_left,l)) + & |
---|
| 573 | wee(ij+u_lup,2,1)*hflux(ij+u_ldown,l)*(qu(ij+u_lup,l)+qu(ij+u_ldown,l)) + & |
---|
| 574 | wee(ij+u_lup,3,1)*hflux(ij+u_rdown,l)*(qu(ij+u_lup,l)+qu(ij+u_rdown,l)) + & |
---|
| 575 | wee(ij+u_lup,4,1)*hflux(ij+u_right,l)*(qu(ij+u_lup,l)+qu(ij+u_right,l)) + & |
---|
| 576 | wee(ij+u_lup,5,1)*hflux(ij+u_rup,l)*(qu(ij+u_lup,l)+qu(ij+u_rup,l)) + & |
---|
| 577 | 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)) + & |
---|
| 578 | 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)) + & |
---|
| 579 | 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)) + & |
---|
| 580 | 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)) + & |
---|
| 581 | 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)) |
---|
| 582 | uu_ldown = & |
---|
| 583 | wee(ij+u_ldown,1,1)*hflux(ij+u_rdown,l)*(qu(ij+u_ldown,l)+qu(ij+u_rdown,l)) + & |
---|
| 584 | wee(ij+u_ldown,2,1)*hflux(ij+u_right,l)*(qu(ij+u_ldown,l)+qu(ij+u_right,l)) + & |
---|
| 585 | wee(ij+u_ldown,3,1)*hflux(ij+u_rup,l)*(qu(ij+u_ldown,l)+qu(ij+u_rup,l)) + & |
---|
| 586 | wee(ij+u_ldown,4,1)*hflux(ij+u_lup,l)*(qu(ij+u_ldown,l)+qu(ij+u_lup,l)) + & |
---|
| 587 | wee(ij+u_ldown,5,1)*hflux(ij+u_left,l)*(qu(ij+u_ldown,l)+qu(ij+u_left,l)) + & |
---|
| 588 | 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)) + & |
---|
| 589 | 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)) + & |
---|
| 590 | 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)) + & |
---|
| 591 | 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)) + & |
---|
| 592 | 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] | 593 | du(ij+u_right,l) = du(ij+u_right,l) + .5*uu_right |
---|
| 594 | du(ij+u_lup,l) = du(ij+u_lup,l) + .5*uu_lup |
---|
| 595 | du(ij+u_ldown,l) = du(ij+u_ldown,l) + .5*uu_ldown |
---|
[362] | 596 | ENDDO |
---|
| 597 | ENDDO |
---|
| 598 | |
---|
| 599 | CASE(enstrophy) ! enstrophy-conserving TRiSK |
---|
| 600 | |
---|
| 601 | DO l=ll_begin,ll_end |
---|
| 602 | !DIR$ SIMD |
---|
| 603 | DO ij=ij_begin,ij_end |
---|
| 604 | uu_right = & |
---|
| 605 | wee(ij+u_right,1,1)*hflux(ij+u_rup,l)+ & |
---|
| 606 | wee(ij+u_right,2,1)*hflux(ij+u_lup,l)+ & |
---|
| 607 | wee(ij+u_right,3,1)*hflux(ij+u_left,l)+ & |
---|
| 608 | wee(ij+u_right,4,1)*hflux(ij+u_ldown,l)+ & |
---|
| 609 | wee(ij+u_right,5,1)*hflux(ij+u_rdown,l)+ & |
---|
| 610 | wee(ij+u_right,1,2)*hflux(ij+t_right+u_ldown,l)+ & |
---|
| 611 | wee(ij+u_right,2,2)*hflux(ij+t_right+u_rdown,l)+ & |
---|
| 612 | wee(ij+u_right,3,2)*hflux(ij+t_right+u_right,l)+ & |
---|
| 613 | wee(ij+u_right,4,2)*hflux(ij+t_right+u_rup,l)+ & |
---|
| 614 | wee(ij+u_right,5,2)*hflux(ij+t_right+u_lup,l) |
---|
| 615 | uu_lup = & |
---|
| 616 | wee(ij+u_lup,1,1)*hflux(ij+u_left,l)+ & |
---|
| 617 | wee(ij+u_lup,2,1)*hflux(ij+u_ldown,l)+ & |
---|
| 618 | wee(ij+u_lup,3,1)*hflux(ij+u_rdown,l)+ & |
---|
| 619 | wee(ij+u_lup,4,1)*hflux(ij+u_right,l)+ & |
---|
| 620 | wee(ij+u_lup,5,1)*hflux(ij+u_rup,l)+ & |
---|
| 621 | wee(ij+u_lup,1,2)*hflux(ij+t_lup+u_right,l)+ & |
---|
| 622 | wee(ij+u_lup,2,2)*hflux(ij+t_lup+u_rup,l)+ & |
---|
| 623 | wee(ij+u_lup,3,2)*hflux(ij+t_lup+u_lup,l)+ & |
---|
| 624 | wee(ij+u_lup,4,2)*hflux(ij+t_lup+u_left,l)+ & |
---|
| 625 | wee(ij+u_lup,5,2)*hflux(ij+t_lup+u_ldown,l) |
---|
| 626 | uu_ldown = & |
---|
| 627 | wee(ij+u_ldown,1,1)*hflux(ij+u_rdown,l)+ & |
---|
| 628 | wee(ij+u_ldown,2,1)*hflux(ij+u_right,l)+ & |
---|
| 629 | wee(ij+u_ldown,3,1)*hflux(ij+u_rup,l)+ & |
---|
| 630 | wee(ij+u_ldown,4,1)*hflux(ij+u_lup,l)+ & |
---|
| 631 | wee(ij+u_ldown,5,1)*hflux(ij+u_left,l)+ & |
---|
| 632 | wee(ij+u_ldown,1,2)*hflux(ij+t_ldown+u_lup,l)+ & |
---|
| 633 | wee(ij+u_ldown,2,2)*hflux(ij+t_ldown+u_left,l)+ & |
---|
| 634 | wee(ij+u_ldown,3,2)*hflux(ij+t_ldown+u_ldown,l)+ & |
---|
| 635 | wee(ij+u_ldown,4,2)*hflux(ij+t_ldown+u_rdown,l)+ & |
---|
| 636 | wee(ij+u_ldown,5,2)*hflux(ij+t_ldown+u_right,l) |
---|
| 637 | |
---|
[369] | 638 | du(ij+u_right,l) = du(ij+u_right,l) + .5*uu_right |
---|
| 639 | du(ij+u_lup,l) = du(ij+u_lup,l) + .5*uu_lup |
---|
| 640 | du(ij+u_ldown,l) = du(ij+u_ldown,l) + .5*uu_ldown |
---|
| 641 | END DO |
---|
| 642 | END DO |
---|
[362] | 643 | CASE DEFAULT |
---|
| 644 | STOP |
---|
| 645 | END SELECT |
---|
| 646 | |
---|
[369] | 647 | CALL trace_end("compute_caldyn_Coriolis") |
---|
| 648 | |
---|
| 649 | END SUBROUTINE compute_caldyn_Coriolis |
---|
| 650 | |
---|
| 651 | SUBROUTINE compute_caldyn_slow_hydro(u,rhodz,hflux,du) |
---|
| 652 | REAL(rstd),INTENT(IN) :: u(3*iim*jjm,llm) ! prognostic "velocity" |
---|
| 653 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
---|
| 654 | REAL(rstd),INTENT(OUT) :: hflux(3*iim*jjm,llm) ! hflux in kg/s |
---|
| 655 | REAL(rstd),INTENT(OUT) :: du(3*iim*jjm,llm) |
---|
| 656 | |
---|
| 657 | REAL(rstd) :: berni(iim*jjm) ! Bernoulli function |
---|
| 658 | REAL(rstd) :: uu_right, uu_lup, uu_ldown |
---|
| 659 | INTEGER :: ij,l |
---|
| 660 | |
---|
| 661 | CALL trace_start("compute_caldyn_slow_hydro") |
---|
| 662 | |
---|
[362] | 663 | le_de(:) = le(:)/de(:) ! FIXME - make sure le_de is what we expect |
---|
[369] | 664 | |
---|
| 665 | DO l = ll_begin, ll_end |
---|
| 666 | ! Compute mass fluxes |
---|
| 667 | IF (caldyn_conserv==energy) CALL test_message(req_qu) |
---|
[362] | 668 | !DIR$ SIMD |
---|
[369] | 669 | DO ij=ij_begin_ext,ij_end_ext |
---|
| 670 | uu_right=0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l) |
---|
| 671 | uu_lup=0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l) |
---|
| 672 | uu_ldown=0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l) |
---|
| 673 | uu_right= uu_right*le_de(ij+u_right) |
---|
| 674 | uu_lup = uu_lup *le_de(ij+u_lup) |
---|
| 675 | uu_ldown= uu_ldown*le_de(ij+u_ldown) |
---|
| 676 | hflux(ij+u_right,l)=uu_right |
---|
| 677 | hflux(ij+u_lup,l) =uu_lup |
---|
| 678 | hflux(ij+u_ldown,l)=uu_ldown |
---|
| 679 | ENDDO |
---|
| 680 | ! Compute Bernoulli=kinetic energy |
---|
| 681 | !DIR$ SIMD |
---|
[362] | 682 | DO ij=ij_begin,ij_end |
---|
[369] | 683 | berni(ij) = & |
---|
| 684 | 1/(4*Ai(ij))*(le_de(ij+u_right)*u(ij+u_right,l)**2 + & |
---|
| 685 | le_de(ij+u_rup)*u(ij+u_rup,l)**2 + & |
---|
| 686 | le_de(ij+u_lup)*u(ij+u_lup,l)**2 + & |
---|
| 687 | le_de(ij+u_left)*u(ij+u_left,l)**2 + & |
---|
| 688 | le_de(ij+u_ldown)*u(ij+u_ldown,l)**2 + & |
---|
| 689 | le_de(ij+u_rdown)*u(ij+u_rdown,l)**2 ) |
---|
[362] | 690 | ENDDO |
---|
[375] | 691 | ! Compute du=-grad(Bernoulli) |
---|
[362] | 692 | !DIR$ SIMD |
---|
| 693 | DO ij=ij_begin,ij_end |
---|
[375] | 694 | du(ij+u_right,l) = ne_right*(berni(ij)-berni(ij+t_right)) |
---|
| 695 | du(ij+u_lup,l) = ne_lup*(berni(ij)-berni(ij+t_lup)) |
---|
| 696 | du(ij+u_ldown,l) = ne_ldown*(berni(ij)-berni(ij+t_ldown)) |
---|
[362] | 697 | END DO |
---|
[369] | 698 | END DO |
---|
[362] | 699 | |
---|
[369] | 700 | CALL trace_end("compute_caldyn_slow_hydro") |
---|
| 701 | END SUBROUTINE compute_caldyn_slow_hydro |
---|
[362] | 702 | |
---|
[369] | 703 | SUBROUTINE compute_caldyn_slow_NH(u,rhodz,Phi,W, hflux,du,dPhi,dW) |
---|
| 704 | REAL(rstd),INTENT(IN) :: u(3*iim*jjm,llm) ! prognostic "velocity" |
---|
| 705 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) ! rho*dz |
---|
| 706 | REAL(rstd),INTENT(IN) :: Phi(iim*jjm,llm+1) ! prognostic geopotential |
---|
| 707 | REAL(rstd),INTENT(IN) :: W(iim*jjm,llm+1) ! prognostic vertical momentum |
---|
[362] | 708 | |
---|
[369] | 709 | REAL(rstd),INTENT(OUT) :: hflux(3*iim*jjm,llm) ! hflux in kg/s |
---|
| 710 | REAL(rstd),INTENT(OUT) :: du(3*iim*jjm,llm) |
---|
| 711 | REAL(rstd),INTENT(OUT) :: dW(iim*jjm,llm+1) |
---|
| 712 | REAL(rstd),INTENT(OUT) :: dPhi(iim*jjm,llm+1) |
---|
| 713 | |
---|
| 714 | REAL(rstd) :: w_il(3*iim*jjm,llm+1) ! Wil/mil |
---|
| 715 | REAL(rstd) :: F_el(3*iim*jjm,llm+1) ! NH mass flux |
---|
| 716 | REAL(rstd) :: GradPhi2(3*iim*jjm,llm+1) ! grad_Phi**2 |
---|
| 717 | REAL(rstd) :: DePhil(3*iim*jjm,llm+1) ! grad(Phi) |
---|
| 718 | REAL(rstd) :: berni(iim*jjm) ! Bernoulli function |
---|
| 719 | REAL(rstd) :: G_el(3*iim*jjm) ! horizontal flux of W |
---|
| 720 | REAL(rstd) :: v_el(3*iim*jjm) |
---|
| 721 | |
---|
| 722 | INTEGER :: ij,l,kdown,kup |
---|
| 723 | REAL(rstd) :: uu_right, uu_lup, uu_ldown, W_el, W2_el |
---|
| 724 | |
---|
| 725 | CALL trace_start("compute_caldyn_slow_NH") |
---|
| 726 | |
---|
| 727 | le_de(:) = le(:)/de(:) ! FIXME - make sure le_de is what we expect |
---|
| 728 | |
---|
| 729 | DO l=ll_begin, ll_endp1 ! compute on l levels (interfaces) |
---|
| 730 | IF(l==1) THEN |
---|
| 731 | kdown=1 |
---|
| 732 | ELSE |
---|
| 733 | kdown=l-1 |
---|
| 734 | END IF |
---|
| 735 | IF(l==llm+1) THEN |
---|
| 736 | kup=llm |
---|
| 737 | ELSE |
---|
| 738 | kup=l |
---|
| 739 | END IF |
---|
[377] | 740 | ! below : "checked" means "formula also valid when kup=kdown (top/bottom)" |
---|
[369] | 741 | ! compute mil, wil=Wil/mil |
---|
| 742 | DO ij=ij_begin_ext, ij_end_ext |
---|
[377] | 743 | w_il(ij,l) = 2.*W(ij,l)/(rhodz(ij,kdown)+rhodz(ij,kup)) ! checked |
---|
[369] | 744 | END DO |
---|
| 745 | ! compute DePhi, v_el, G_el, F_el |
---|
| 746 | ! v_el, W2_el and therefore G_el incorporate metric factor le_de |
---|
| 747 | ! while DePhil, W_el and F_el don't |
---|
| 748 | DO ij=ij_begin_ext, ij_end_ext |
---|
| 749 | ! Compute on edge 'right' |
---|
| 750 | W_el = .5*( W(ij,l)+W(ij+t_right,l) ) |
---|
| 751 | DePhil(ij+u_right,l) = ne_right*(Phi(ij+t_right,l)-Phi(ij,l)) |
---|
| 752 | F_el(ij+u_right,l) = DePhil(ij+u_right,l)*W_el |
---|
| 753 | W2_el = .5*le_de(ij+u_right) * & |
---|
| 754 | ( W(ij,l)*w_il(ij,l) + W(ij+t_right,l)*w_il(ij+t_right,l) ) |
---|
[377] | 755 | v_el(ij+u_right) = .5*le_de(ij+u_right)*(u(ij+u_right,kup)+u(ij+u_right,kdown)) ! checked |
---|
[369] | 756 | G_el(ij+u_right) = v_el(ij+u_right)*W_el - DePhil(ij+u_right,l)*W2_el |
---|
| 757 | ! Compute on edge 'lup' |
---|
| 758 | W_el = .5*( W(ij,l)+W(ij+t_lup,l) ) |
---|
| 759 | DePhil(ij+u_lup,l) = ne_lup*(Phi(ij+t_lup,l)-Phi(ij,l)) |
---|
| 760 | F_el(ij+u_lup,l) = DePhil(ij+u_lup,l)*W_el |
---|
| 761 | W2_el = .5*le_de(ij+u_lup) * & |
---|
| 762 | ( W(ij,l)*w_il(ij,l) + W(ij+t_lup,l)*w_il(ij+t_lup,l) ) |
---|
[377] | 763 | v_el(ij+u_lup) = .5*le_de(ij+u_lup)*( u(ij+u_lup,kup) + u(ij+u_lup,kdown)) ! checked |
---|
[369] | 764 | G_el(ij+u_lup) = v_el(ij+u_lup)*W_el - DePhil(ij+u_lup,l)*W2_el |
---|
| 765 | ! Compute on edge 'ldown' |
---|
| 766 | W_el = .5*( W(ij,l)+W(ij+t_ldown,l) ) |
---|
| 767 | DePhil(ij+u_ldown,l) = ne_ldown*(Phi(ij+t_ldown,l)-Phi(ij,l)) |
---|
| 768 | F_el(ij+u_ldown,l) = DePhil(ij+u_ldown,l)*W_el |
---|
| 769 | W2_el = .5*le_de(ij+u_ldown) * & |
---|
| 770 | ( W(ij,l)*w_il(ij,l) + W(ij+t_ldown,l)*w_il(ij+t_ldown,l) ) |
---|
[377] | 771 | v_el(ij+u_ldown) = .5*le_de(ij+u_ldown)*( u(ij+u_ldown,kup) + u(ij+u_ldown,kdown)) ! checked |
---|
[369] | 772 | G_el(ij+u_ldown) = v_el(ij+u_ldown)*W_el - DePhil(ij+u_ldown,l)*W2_el |
---|
| 773 | END DO |
---|
| 774 | ! compute GradPhi2, dPhi, dW |
---|
| 775 | DO ij=ij_begin_ext, ij_end_ext |
---|
| 776 | gradPhi2(ij,l) = & |
---|
| 777 | 1/(2*Ai(ij))*(le_de(ij+u_right)*DePhil(ij+u_right,l)**2 + & |
---|
| 778 | le_de(ij+u_rup)*DePhil(ij+u_rup,l)**2 + & |
---|
| 779 | le_de(ij+u_lup)*DePhil(ij+u_lup,l)**2 + & |
---|
| 780 | le_de(ij+u_left)*DePhil(ij+u_left,l)**2 + & |
---|
| 781 | le_de(ij+u_ldown)*DePhil(ij+u_ldown,l)**2 + & |
---|
| 782 | le_de(ij+u_rdown)*DePhil(ij+u_rdown,l)**2 ) |
---|
[377] | 783 | ! gradPhi2(ij,l) = 0. ! FIXME !! |
---|
| 784 | |
---|
| 785 | dPhi(ij,l) = gradPhi2(ij,l)*w_il(ij,l) -1/(2*Ai(ij))* & |
---|
[369] | 786 | ( DePhil(ij+u_right,l)*v_el(ij+u_right) + & ! -v.gradPhi, |
---|
| 787 | DePhil(ij+u_rup,l)*v_el(ij+u_rup) + & ! v_el already has le_de |
---|
| 788 | DePhil(ij+u_lup,l)*v_el(ij+u_lup) + & |
---|
| 789 | DePhil(ij+u_left,l)*v_el(ij+u_left) + & |
---|
| 790 | DePhil(ij+u_ldown,l)*v_el(ij+u_ldown) + & |
---|
| 791 | DePhil(ij+u_rdown,l)*v_el(ij+u_rdown) ) |
---|
[377] | 792 | |
---|
[369] | 793 | dW(ij,l) = -1./Ai(ij)*( & ! -div(G_el), |
---|
| 794 | ne_right*G_el(ij+u_right) + & ! G_el already has le_de |
---|
| 795 | ne_rup*G_el(ij+u_rup) + & |
---|
| 796 | ne_lup*G_el(ij+u_lup) + & |
---|
| 797 | ne_left*G_el(ij+u_left) + & |
---|
| 798 | ne_ldown*G_el(ij+u_ldown) + & |
---|
| 799 | ne_rdown*G_el(ij+u_rdown)) |
---|
| 800 | END DO |
---|
| 801 | END DO |
---|
[377] | 802 | ! FIXME !! |
---|
| 803 | ! F_el(:,:)=0. |
---|
| 804 | ! dPhi(:,:)=0. |
---|
| 805 | ! dW(:,:)=0. |
---|
| 806 | |
---|
[369] | 807 | DO l=ll_begin, ll_end ! compute on k levels (layers) |
---|
| 808 | ! Compute berni at scalar points |
---|
| 809 | DO ij=ij_begin_ext, ij_end_ext |
---|
| 810 | berni(ij) = & |
---|
| 811 | 1/(4*Ai(ij))*( & |
---|
| 812 | le_de(ij+u_right)*u(ij+u_right,l)**2 + & |
---|
| 813 | le_de(ij+u_rup)*u(ij+u_rup,l)**2 + & |
---|
| 814 | le_de(ij+u_lup)*u(ij+u_lup,l)**2 + & |
---|
| 815 | le_de(ij+u_left)*u(ij+u_left,l)**2 + & |
---|
| 816 | le_de(ij+u_ldown)*u(ij+u_ldown,l)**2 + & |
---|
| 817 | le_de(ij+u_rdown)*u(ij+u_rdown,l)**2 ) & |
---|
[499] | 818 | - .25*( gradPhi2(ij,l) *w_il(ij,l)**2 + & |
---|
[369] | 819 | gradPhi2(ij,l+1)*w_il(ij,l+1)**2 ) |
---|
| 820 | END DO |
---|
| 821 | ! Compute mass flux and grad(berni) at edges |
---|
| 822 | DO ij=ij_begin_ext, ij_end_ext |
---|
| 823 | ! Compute on edge 'right' |
---|
| 824 | uu_right = 0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l) & |
---|
| 825 | -0.5*(F_el(ij+u_right,l)+F_el(ij+u_right,l+1)) |
---|
| 826 | hflux(ij+u_right,l) = uu_right*le_de(ij+u_right) |
---|
[375] | 827 | du(ij+u_right,l) = ne_right*(berni(ij)-berni(ij+t_right)) |
---|
[369] | 828 | ! Compute on edge 'lup' |
---|
| 829 | uu_lup = 0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l) & |
---|
| 830 | -0.5*(F_el(ij+u_lup,l)+F_el(ij+u_lup,l+1)) |
---|
| 831 | hflux(ij+u_lup,l) = uu_lup*le_de(ij+u_lup) |
---|
[375] | 832 | du(ij+u_lup,l) = ne_lup*(berni(ij)-berni(ij+t_lup)) |
---|
[369] | 833 | ! Compute on edge 'ldown' |
---|
| 834 | uu_ldown = 0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l) & |
---|
| 835 | -0.5*(F_el(ij+u_ldown,l)+F_el(ij+u_ldown,l+1)) |
---|
| 836 | hflux(ij+u_ldown,l) = uu_ldown*le_de(ij+u_ldown) |
---|
[375] | 837 | du(ij+u_ldown,l) = ne_ldown*(berni(ij)-berni(ij+t_ldown)) |
---|
[369] | 838 | END DO |
---|
| 839 | END DO |
---|
[377] | 840 | ! FIXME !! |
---|
| 841 | ! du(:,:)=0. |
---|
| 842 | ! hflux(:,:)=0. |
---|
[369] | 843 | |
---|
| 844 | CALL trace_end("compute_caldyn_slow_NH") |
---|
| 845 | |
---|
| 846 | END SUBROUTINE compute_caldyn_slow_NH |
---|
| 847 | |
---|
[362] | 848 | END MODULE caldyn_kernels_hevi_mod |
---|