| 1 | MODULE production_e_mod |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! Current revisions: |
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| 5 | ! ----------------- |
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| 6 | ! TKE production by buoyancy can be switched off in case of runs with pure |
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| 7 | ! neutral stratification |
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| 8 | ! |
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| 9 | ! Former revisions: |
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| 10 | ! ----------------- |
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| 11 | ! $Id: production_e.f90 940 2012-07-09 14:31:00Z raasch $ |
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| 12 | ! |
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| 13 | ! 759 2011-09-15 13:58:31Z raasch |
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| 14 | ! initialization of u_0, v_0 |
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| 15 | ! |
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| 16 | ! 667 2010-12-23 12:06:00Z suehring/gryschka |
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| 17 | ! nxl-1, nxr+1, nys-1, nyn+1 replaced by nxlg, nxrg, nysg, nyng |
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| 18 | ! |
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| 19 | ! 449 2010-02-02 11:23:59Z raasch |
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| 20 | ! test output from rev 410 removed |
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| 21 | ! |
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| 22 | ! 388 2009-09-23 09:40:33Z raasch |
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| 23 | ! Bugfix: wrong sign in buoyancy production of ocean part in case of not using |
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| 24 | ! the reference density (only in 3D routine production_e) |
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| 25 | ! Bugfix to avoid zero division by km_neutral |
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| 26 | ! |
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| 27 | ! 208 2008-10-20 06:02:59Z raasch |
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| 28 | ! Bugfix concerning the calculation of velocity gradients at vertical walls |
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| 29 | ! in case of diabatic conditions |
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| 30 | ! |
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| 31 | ! 187 2008-08-06 16:25:09Z letzel |
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| 32 | ! Change: add 'minus' sign to fluxes obtained from subroutine wall_fluxes_e for |
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| 33 | ! consistency with subroutine wall_fluxes |
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| 34 | ! |
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| 35 | ! 124 2007-10-19 15:47:46Z raasch |
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| 36 | ! Bugfix: calculation of density flux in the ocean now starts from nzb+1 |
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| 37 | ! |
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| 38 | ! 108 2007-08-24 15:10:38Z letzel |
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| 39 | ! Bugfix: wrong sign removed from the buoyancy production term in the case |
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| 40 | ! use_reference = .T., |
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| 41 | ! u_0 and v_0 are calculated for nxr+1, nyn+1 also (otherwise these values are |
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| 42 | ! not available in case of non-cyclic boundary conditions) |
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| 43 | ! Bugfix for ocean density flux at bottom |
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| 44 | ! |
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| 45 | ! 97 2007-06-21 08:23:15Z raasch |
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| 46 | ! Energy production by density flux (in ocean) added |
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| 47 | ! use_pt_reference renamed use_reference |
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| 48 | ! |
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| 49 | ! 75 2007-03-22 09:54:05Z raasch |
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| 50 | ! Wall functions now include diabatic conditions, call of routine wall_fluxes_e, |
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| 51 | ! reference temperature pt_reference can be used in buoyancy term, |
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| 52 | ! moisture renamed humidity |
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| 53 | ! |
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| 54 | ! 37 2007-03-01 08:33:54Z raasch |
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| 55 | ! Calculation extended for gridpoint nzt, extended for given temperature / |
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| 56 | ! humidity fluxes at the top, wall-part is now executed in case that a |
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| 57 | ! Prandtl-layer is switched on (instead of surfaces fluxes switched on) |
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| 58 | ! |
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| 59 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 60 | ! |
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| 61 | ! Revision 1.21 2006/04/26 12:45:35 raasch |
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| 62 | ! OpenMP parallelization of production_e_init |
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| 63 | ! |
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| 64 | ! Revision 1.1 1997/09/19 07:45:35 raasch |
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| 65 | ! Initial revision |
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| 66 | ! |
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| 67 | ! |
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| 68 | ! Description: |
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| 69 | ! ------------ |
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| 70 | ! Production terms (shear + buoyancy) of the TKE |
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| 71 | ! WARNING: the case with prandtl_layer = F and use_surface_fluxes = T is |
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| 72 | ! not considered well! |
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| 73 | !------------------------------------------------------------------------------! |
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| 74 | |
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| 75 | USE wall_fluxes_mod |
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| 76 | |
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| 77 | PRIVATE |
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| 78 | PUBLIC production_e, production_e_init |
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| 79 | |
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| 80 | LOGICAL, SAVE :: first_call = .TRUE. |
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| 81 | |
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| 82 | REAL, DIMENSION(:,:), ALLOCATABLE, SAVE :: u_0, v_0 |
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| 83 | |
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| 84 | INTERFACE production_e |
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| 85 | MODULE PROCEDURE production_e |
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| 86 | MODULE PROCEDURE production_e_ij |
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| 87 | END INTERFACE production_e |
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| 88 | |
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| 89 | INTERFACE production_e_init |
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| 90 | MODULE PROCEDURE production_e_init |
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| 91 | END INTERFACE production_e_init |
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| 92 | |
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| 93 | CONTAINS |
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| 94 | |
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| 95 | |
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| 96 | !------------------------------------------------------------------------------! |
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| 97 | ! Call for all grid points |
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| 98 | !------------------------------------------------------------------------------! |
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| 99 | SUBROUTINE production_e |
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| 100 | |
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| 101 | USE arrays_3d |
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| 102 | USE cloud_parameters |
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| 103 | USE control_parameters |
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| 104 | USE grid_variables |
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| 105 | USE indices |
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| 106 | USE statistics |
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| 107 | |
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| 108 | IMPLICIT NONE |
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| 109 | |
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| 110 | INTEGER :: i, j, k |
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| 111 | |
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| 112 | REAL :: def, dudx, dudy, dudz, dvdx, dvdy, dvdz, dwdx, dwdy, dwdz, & |
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| 113 | k1, k2, km_neutral, theta, temp |
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| 114 | |
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| 115 | ! REAL, DIMENSION(nzb:nzt+1,nys:nyn,nxl:nxr) :: usvs, vsus, wsus, wsvs |
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| 116 | REAL, DIMENSION(nzb:nzt+1) :: usvs, vsus, wsus, wsvs |
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| 117 | |
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| 118 | ! |
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| 119 | !-- First calculate horizontal momentum flux u'v', w'v', v'u', w'u' at |
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| 120 | !-- vertical walls, if neccessary |
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| 121 | !-- So far, results are slightly different from the ij-Version. |
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| 122 | !-- Therefore, ij-Version is called further below within the ij-loops. |
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| 123 | ! IF ( topography /= 'flat' ) THEN |
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| 124 | ! CALL wall_fluxes_e( usvs, 1.0, 0.0, 0.0, 0.0, wall_e_y ) |
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| 125 | ! CALL wall_fluxes_e( wsvs, 0.0, 0.0, 1.0, 0.0, wall_e_y ) |
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| 126 | ! CALL wall_fluxes_e( vsus, 0.0, 1.0, 0.0, 0.0, wall_e_x ) |
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| 127 | ! CALL wall_fluxes_e( wsus, 0.0, 0.0, 0.0, 1.0, wall_e_x ) |
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| 128 | ! ENDIF |
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| 129 | |
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| 130 | |
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| 131 | DO i = nxl, nxr |
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| 132 | |
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| 133 | ! |
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| 134 | !-- Calculate TKE production by shear |
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| 135 | DO j = nys, nyn |
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| 136 | DO k = nzb_diff_s_outer(j,i), nzt |
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| 137 | |
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| 138 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
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| 139 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
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| 140 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
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| 141 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
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| 142 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
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| 143 | |
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| 144 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
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| 145 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
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| 146 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
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| 147 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
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| 148 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
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| 149 | |
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| 150 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
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| 151 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
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| 152 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
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| 153 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
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| 154 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
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| 155 | |
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| 156 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
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| 157 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
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| 158 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
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| 159 | |
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| 160 | IF ( def < 0.0 ) def = 0.0 |
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| 161 | |
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| 162 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
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| 163 | |
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| 164 | ENDDO |
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| 165 | ENDDO |
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| 166 | |
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| 167 | IF ( prandtl_layer ) THEN |
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| 168 | |
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| 169 | ! |
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| 170 | !-- Position beneath wall |
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| 171 | !-- (2) - Will allways be executed. |
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| 172 | !-- 'bottom and wall: use u_0,v_0 and wall functions' |
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| 173 | DO j = nys, nyn |
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| 174 | |
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| 175 | IF ( ( wall_e_x(j,i) /= 0.0 ) .OR. ( wall_e_y(j,i) /= 0.0 ) ) & |
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| 176 | THEN |
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| 177 | |
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| 178 | k = nzb_diff_s_inner(j,i) - 1 |
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| 179 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
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| 180 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
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| 181 | u_0(j,i) - u_0(j,i+1) ) * dd2zu(k) |
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| 182 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
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| 183 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
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| 184 | v_0(j,i) - v_0(j+1,i) ) * dd2zu(k) |
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| 185 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
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| 186 | |
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| 187 | IF ( wall_e_y(j,i) /= 0.0 ) THEN |
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| 188 | ! |
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| 189 | !-- Inconsistency removed: as the thermal stratification is |
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| 190 | !-- not taken into account for the evaluation of the wall |
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| 191 | !-- fluxes at vertical walls, the eddy viscosity km must not |
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| 192 | !-- be used for the evaluation of the velocity gradients dudy |
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| 193 | !-- and dwdy |
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| 194 | !-- Note: The validity of the new method has not yet been |
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| 195 | !-- shown, as so far no suitable data for a validation |
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| 196 | !-- has been available |
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| 197 | CALL wall_fluxes_e( i, j, k, nzb_diff_s_outer(j,i)-2, & |
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| 198 | usvs, 1.0, 0.0, 0.0, 0.0 ) |
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| 199 | CALL wall_fluxes_e( i, j, k, nzb_diff_s_outer(j,i)-2, & |
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| 200 | wsvs, 0.0, 0.0, 1.0, 0.0 ) |
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| 201 | km_neutral = kappa * ( usvs(k)**2 + wsvs(k)**2 )**0.25 * & |
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| 202 | 0.5 * dy |
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| 203 | IF ( km_neutral > 0.0 ) THEN |
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| 204 | dudy = - wall_e_y(j,i) * usvs(k) / km_neutral |
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| 205 | dwdy = - wall_e_y(j,i) * wsvs(k) / km_neutral |
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| 206 | ELSE |
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| 207 | dudy = 0.0 |
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| 208 | dwdy = 0.0 |
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| 209 | ENDIF |
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| 210 | ELSE |
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| 211 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
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| 212 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
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| 213 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
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| 214 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
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| 215 | ENDIF |
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| 216 | |
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| 217 | IF ( wall_e_x(j,i) /= 0.0 ) THEN |
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| 218 | ! |
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| 219 | !-- Inconsistency removed: as the thermal stratification is |
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| 220 | !-- not taken into account for the evaluation of the wall |
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| 221 | !-- fluxes at vertical walls, the eddy viscosity km must not |
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| 222 | !-- be used for the evaluation of the velocity gradients dvdx |
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| 223 | !-- and dwdx |
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| 224 | !-- Note: The validity of the new method has not yet been |
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| 225 | !-- shown, as so far no suitable data for a validation |
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| 226 | !-- has been available |
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| 227 | CALL wall_fluxes_e( i, j, k, nzb_diff_s_outer(j,i)-2, & |
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| 228 | vsus, 0.0, 1.0, 0.0, 0.0 ) |
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| 229 | CALL wall_fluxes_e( i, j, k, nzb_diff_s_outer(j,i)-2, & |
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| 230 | wsus, 0.0, 0.0, 0.0, 1.0 ) |
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| 231 | km_neutral = kappa * ( vsus(k)**2 + wsus(k)**2 )**0.25 * & |
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| 232 | 0.5 * dx |
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| 233 | IF ( km_neutral > 0.0 ) THEN |
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| 234 | dvdx = - wall_e_x(j,i) * vsus(k) / km_neutral |
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| 235 | dwdx = - wall_e_x(j,i) * wsus(k) / km_neutral |
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| 236 | ELSE |
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| 237 | dvdx = 0.0 |
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| 238 | dwdx = 0.0 |
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| 239 | ENDIF |
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| 240 | ELSE |
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| 241 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
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| 242 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
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| 243 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
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| 244 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
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| 245 | ENDIF |
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| 246 | |
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| 247 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
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| 248 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
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| 249 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
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| 250 | |
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| 251 | IF ( def < 0.0 ) def = 0.0 |
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| 252 | |
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| 253 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
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| 254 | |
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| 255 | |
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| 256 | ! |
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| 257 | !-- (3) - will be executed only, if there is at least one level |
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| 258 | !-- between (2) and (4), i.e. the topography must have a |
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| 259 | !-- minimum height of 2 dz. Wall fluxes for this case have |
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| 260 | !-- already been calculated for (2). |
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| 261 | !-- 'wall only: use wall functions' |
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| 262 | |
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| 263 | DO k = nzb_diff_s_inner(j,i), nzb_diff_s_outer(j,i)-2 |
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| 264 | |
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| 265 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
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| 266 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
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| 267 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
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| 268 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
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| 269 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
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| 270 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
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| 271 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
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| 272 | |
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| 273 | IF ( wall_e_y(j,i) /= 0.0 ) THEN |
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| 274 | ! |
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| 275 | !-- Inconsistency removed: as the thermal stratification |
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| 276 | !-- is not taken into account for the evaluation of the |
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| 277 | !-- wall fluxes at vertical walls, the eddy viscosity km |
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| 278 | !-- must not be used for the evaluation of the velocity |
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| 279 | !-- gradients dudy and dwdy |
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| 280 | !-- Note: The validity of the new method has not yet |
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| 281 | !-- been shown, as so far no suitable data for a |
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| 282 | !-- validation has been available |
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| 283 | km_neutral = kappa * ( usvs(k)**2 + & |
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| 284 | wsvs(k)**2 )**0.25 * 0.5 * dy |
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| 285 | IF ( km_neutral > 0.0 ) THEN |
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| 286 | dudy = - wall_e_y(j,i) * usvs(k) / km_neutral |
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| 287 | dwdy = - wall_e_y(j,i) * wsvs(k) / km_neutral |
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| 288 | ELSE |
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| 289 | dudy = 0.0 |
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| 290 | dwdy = 0.0 |
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| 291 | ENDIF |
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| 292 | ELSE |
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| 293 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
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| 294 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
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| 295 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
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| 296 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
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| 297 | ENDIF |
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| 298 | |
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| 299 | IF ( wall_e_x(j,i) /= 0.0 ) THEN |
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| 300 | ! |
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| 301 | !-- Inconsistency removed: as the thermal stratification |
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| 302 | !-- is not taken into account for the evaluation of the |
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| 303 | !-- wall fluxes at vertical walls, the eddy viscosity km |
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| 304 | !-- must not be used for the evaluation of the velocity |
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| 305 | !-- gradients dvdx and dwdx |
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| 306 | !-- Note: The validity of the new method has not yet |
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| 307 | !-- been shown, as so far no suitable data for a |
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| 308 | !-- validation has been available |
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| 309 | km_neutral = kappa * ( vsus(k)**2 + & |
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| 310 | wsus(k)**2 )**0.25 * 0.5 * dx |
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| 311 | IF ( km_neutral > 0.0 ) THEN |
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| 312 | dvdx = - wall_e_x(j,i) * vsus(k) / km_neutral |
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| 313 | dwdx = - wall_e_x(j,i) * wsus(k) / km_neutral |
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| 314 | ELSE |
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| 315 | dvdx = 0.0 |
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| 316 | dwdx = 0.0 |
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| 317 | ENDIF |
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| 318 | ELSE |
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| 319 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
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| 320 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
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| 321 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
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| 322 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
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| 323 | ENDIF |
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| 324 | |
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| 325 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
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| 326 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
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| 327 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
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| 328 | |
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| 329 | IF ( def < 0.0 ) def = 0.0 |
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| 330 | |
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| 331 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
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| 332 | |
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| 333 | ENDDO |
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| 334 | |
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| 335 | ENDIF |
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| 336 | |
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| 337 | ENDDO |
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| 338 | |
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| 339 | ! |
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| 340 | !-- (4) - will allways be executed. |
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| 341 | !-- 'special case: free atmosphere' (as for case (0)) |
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| 342 | DO j = nys, nyn |
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| 343 | |
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| 344 | IF ( ( wall_e_x(j,i) /= 0.0 ) .OR. ( wall_e_y(j,i) /= 0.0 ) ) & |
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| 345 | THEN |
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| 346 | |
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| 347 | k = nzb_diff_s_outer(j,i)-1 |
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| 348 | |
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| 349 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
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| 350 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
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| 351 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
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| 352 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
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| 353 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
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| 354 | |
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| 355 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
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| 356 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
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| 357 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
|---|
| 358 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
|---|
| 359 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
|---|
| 360 | |
|---|
| 361 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
|---|
| 362 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
|---|
| 363 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
|---|
| 364 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
|---|
| 365 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 366 | |
|---|
| 367 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
|---|
| 368 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
|---|
| 369 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
|---|
| 370 | |
|---|
| 371 | IF ( def < 0.0 ) def = 0.0 |
|---|
| 372 | |
|---|
| 373 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
|---|
| 374 | |
|---|
| 375 | ENDIF |
|---|
| 376 | |
|---|
| 377 | ENDDO |
|---|
| 378 | |
|---|
| 379 | ! |
|---|
| 380 | !-- Position without adjacent wall |
|---|
| 381 | !-- (1) - will allways be executed. |
|---|
| 382 | !-- 'bottom only: use u_0,v_0' |
|---|
| 383 | DO j = nys, nyn |
|---|
| 384 | |
|---|
| 385 | IF ( ( wall_e_x(j,i) == 0.0 ) .AND. ( wall_e_y(j,i) == 0.0 ) ) & |
|---|
| 386 | THEN |
|---|
| 387 | |
|---|
| 388 | k = nzb_diff_s_inner(j,i)-1 |
|---|
| 389 | |
|---|
| 390 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 391 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
|---|
| 392 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
|---|
| 393 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
|---|
| 394 | u_0(j,i) - u_0(j,i+1) ) * dd2zu(k) |
|---|
| 395 | |
|---|
| 396 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
|---|
| 397 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
|---|
| 398 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
|---|
| 399 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
|---|
| 400 | v_0(j,i) - v_0(j+1,i) ) * dd2zu(k) |
|---|
| 401 | |
|---|
| 402 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
|---|
| 403 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
|---|
| 404 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
|---|
| 405 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
|---|
| 406 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 407 | |
|---|
| 408 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
|---|
| 409 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
|---|
| 410 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
|---|
| 411 | |
|---|
| 412 | IF ( def < 0.0 ) def = 0.0 |
|---|
| 413 | |
|---|
| 414 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
|---|
| 415 | |
|---|
| 416 | ENDIF |
|---|
| 417 | |
|---|
| 418 | ENDDO |
|---|
| 419 | |
|---|
| 420 | ELSEIF ( use_surface_fluxes ) THEN |
|---|
| 421 | |
|---|
| 422 | DO j = nys, nyn |
|---|
| 423 | |
|---|
| 424 | k = nzb_diff_s_outer(j,i)-1 |
|---|
| 425 | |
|---|
| 426 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 427 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
|---|
| 428 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
|---|
| 429 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
|---|
| 430 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
|---|
| 431 | |
|---|
| 432 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
|---|
| 433 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
|---|
| 434 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
|---|
| 435 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
|---|
| 436 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
|---|
| 437 | |
|---|
| 438 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
|---|
| 439 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
|---|
| 440 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
|---|
| 441 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
|---|
| 442 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 443 | |
|---|
| 444 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
|---|
| 445 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
|---|
| 446 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
|---|
| 447 | |
|---|
| 448 | IF ( def < 0.0 ) def = 0.0 |
|---|
| 449 | |
|---|
| 450 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
|---|
| 451 | |
|---|
| 452 | ENDDO |
|---|
| 453 | |
|---|
| 454 | ENDIF |
|---|
| 455 | |
|---|
| 456 | ! |
|---|
| 457 | !-- If required, calculate TKE production by buoyancy |
|---|
| 458 | IF ( .NOT. neutral ) THEN |
|---|
| 459 | |
|---|
| 460 | IF ( .NOT. humidity ) THEN |
|---|
| 461 | |
|---|
| 462 | IF ( use_reference ) THEN |
|---|
| 463 | |
|---|
| 464 | IF ( ocean ) THEN |
|---|
| 465 | ! |
|---|
| 466 | !-- So far in the ocean no special treatment of density flux |
|---|
| 467 | !-- in the bottom and top surface layer |
|---|
| 468 | DO j = nys, nyn |
|---|
| 469 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 470 | tend(k,j,i) = tend(k,j,i) + & |
|---|
| 471 | kh(k,j,i) * g / rho_reference * & |
|---|
| 472 | ( rho(k+1,j,i) - rho(k-1,j,i) ) * & |
|---|
| 473 | dd2zu(k) |
|---|
| 474 | ENDDO |
|---|
| 475 | ENDDO |
|---|
| 476 | |
|---|
| 477 | ELSE |
|---|
| 478 | |
|---|
| 479 | DO j = nys, nyn |
|---|
| 480 | DO k = nzb_diff_s_inner(j,i), nzt_diff |
|---|
| 481 | tend(k,j,i) = tend(k,j,i) - & |
|---|
| 482 | kh(k,j,i) * g / pt_reference * & |
|---|
| 483 | ( pt(k+1,j,i) - pt(k-1,j,i) ) * & |
|---|
| 484 | dd2zu(k) |
|---|
| 485 | ENDDO |
|---|
| 486 | |
|---|
| 487 | IF ( use_surface_fluxes ) THEN |
|---|
| 488 | k = nzb_diff_s_inner(j,i)-1 |
|---|
| 489 | tend(k,j,i) = tend(k,j,i) + g / pt_reference * & |
|---|
| 490 | shf(j,i) |
|---|
| 491 | ENDIF |
|---|
| 492 | |
|---|
| 493 | IF ( use_top_fluxes ) THEN |
|---|
| 494 | k = nzt |
|---|
| 495 | tend(k,j,i) = tend(k,j,i) + g / pt_reference * & |
|---|
| 496 | tswst(j,i) |
|---|
| 497 | ENDIF |
|---|
| 498 | ENDDO |
|---|
| 499 | |
|---|
| 500 | ENDIF |
|---|
| 501 | |
|---|
| 502 | ELSE |
|---|
| 503 | |
|---|
| 504 | IF ( ocean ) THEN |
|---|
| 505 | ! |
|---|
| 506 | !-- So far in the ocean no special treatment of density flux |
|---|
| 507 | !-- in the bottom and top surface layer |
|---|
| 508 | DO j = nys, nyn |
|---|
| 509 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 510 | tend(k,j,i) = tend(k,j,i) + & |
|---|
| 511 | kh(k,j,i) * g / rho(k,j,i) * & |
|---|
| 512 | ( rho(k+1,j,i) - rho(k-1,j,i) ) * & |
|---|
| 513 | dd2zu(k) |
|---|
| 514 | ENDDO |
|---|
| 515 | ENDDO |
|---|
| 516 | |
|---|
| 517 | ELSE |
|---|
| 518 | |
|---|
| 519 | DO j = nys, nyn |
|---|
| 520 | DO k = nzb_diff_s_inner(j,i), nzt_diff |
|---|
| 521 | tend(k,j,i) = tend(k,j,i) - & |
|---|
| 522 | kh(k,j,i) * g / pt(k,j,i) * & |
|---|
| 523 | ( pt(k+1,j,i) - pt(k-1,j,i) ) * & |
|---|
| 524 | dd2zu(k) |
|---|
| 525 | ENDDO |
|---|
| 526 | |
|---|
| 527 | IF ( use_surface_fluxes ) THEN |
|---|
| 528 | k = nzb_diff_s_inner(j,i)-1 |
|---|
| 529 | tend(k,j,i) = tend(k,j,i) + g / pt(k,j,i) * & |
|---|
| 530 | shf(j,i) |
|---|
| 531 | ENDIF |
|---|
| 532 | |
|---|
| 533 | IF ( use_top_fluxes ) THEN |
|---|
| 534 | k = nzt |
|---|
| 535 | tend(k,j,i) = tend(k,j,i) + g / pt(k,j,i) * & |
|---|
| 536 | tswst(j,i) |
|---|
| 537 | ENDIF |
|---|
| 538 | ENDDO |
|---|
| 539 | |
|---|
| 540 | ENDIF |
|---|
| 541 | |
|---|
| 542 | ENDIF |
|---|
| 543 | |
|---|
| 544 | ELSE |
|---|
| 545 | |
|---|
| 546 | DO j = nys, nyn |
|---|
| 547 | |
|---|
| 548 | DO k = nzb_diff_s_inner(j,i), nzt_diff |
|---|
| 549 | |
|---|
| 550 | IF ( .NOT. cloud_physics ) THEN |
|---|
| 551 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 552 | k2 = 0.61 * pt(k,j,i) |
|---|
| 553 | ELSE |
|---|
| 554 | IF ( ql(k,j,i) == 0.0 ) THEN |
|---|
| 555 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 556 | k2 = 0.61 * pt(k,j,i) |
|---|
| 557 | ELSE |
|---|
| 558 | theta = pt(k,j,i) + pt_d_t(k) * l_d_cp * ql(k,j,i) |
|---|
| 559 | temp = theta * t_d_pt(k) |
|---|
| 560 | k1 = ( 1.0 - q(k,j,i) + 1.61 * & |
|---|
| 561 | ( q(k,j,i) - ql(k,j,i) ) * & |
|---|
| 562 | ( 1.0 + 0.622 * l_d_r / temp ) ) / & |
|---|
| 563 | ( 1.0 + 0.622 * l_d_r * l_d_cp * & |
|---|
| 564 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
|---|
| 565 | k2 = theta * ( l_d_cp / temp * k1 - 1.0 ) |
|---|
| 566 | ENDIF |
|---|
| 567 | ENDIF |
|---|
| 568 | |
|---|
| 569 | tend(k,j,i) = tend(k,j,i) - kh(k,j,i) * g / vpt(k,j,i) * & |
|---|
| 570 | ( k1 * ( pt(k+1,j,i)-pt(k-1,j,i) ) + & |
|---|
| 571 | k2 * ( q(k+1,j,i) - q(k-1,j,i) ) & |
|---|
| 572 | ) * dd2zu(k) |
|---|
| 573 | ENDDO |
|---|
| 574 | |
|---|
| 575 | ENDDO |
|---|
| 576 | |
|---|
| 577 | IF ( use_surface_fluxes ) THEN |
|---|
| 578 | |
|---|
| 579 | DO j = nys, nyn |
|---|
| 580 | |
|---|
| 581 | k = nzb_diff_s_inner(j,i)-1 |
|---|
| 582 | |
|---|
| 583 | IF ( .NOT. cloud_physics ) THEN |
|---|
| 584 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 585 | k2 = 0.61 * pt(k,j,i) |
|---|
| 586 | ELSE |
|---|
| 587 | IF ( ql(k,j,i) == 0.0 ) THEN |
|---|
| 588 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 589 | k2 = 0.61 * pt(k,j,i) |
|---|
| 590 | ELSE |
|---|
| 591 | theta = pt(k,j,i) + pt_d_t(k) * l_d_cp * ql(k,j,i) |
|---|
| 592 | temp = theta * t_d_pt(k) |
|---|
| 593 | k1 = ( 1.0 - q(k,j,i) + 1.61 * & |
|---|
| 594 | ( q(k,j,i) - ql(k,j,i) ) * & |
|---|
| 595 | ( 1.0 + 0.622 * l_d_r / temp ) ) / & |
|---|
| 596 | ( 1.0 + 0.622 * l_d_r * l_d_cp * & |
|---|
| 597 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
|---|
| 598 | k2 = theta * ( l_d_cp / temp * k1 - 1.0 ) |
|---|
| 599 | ENDIF |
|---|
| 600 | ENDIF |
|---|
| 601 | |
|---|
| 602 | tend(k,j,i) = tend(k,j,i) + g / vpt(k,j,i) * & |
|---|
| 603 | ( k1* shf(j,i) + k2 * qsws(j,i) ) |
|---|
| 604 | ENDDO |
|---|
| 605 | |
|---|
| 606 | ENDIF |
|---|
| 607 | |
|---|
| 608 | IF ( use_top_fluxes ) THEN |
|---|
| 609 | |
|---|
| 610 | DO j = nys, nyn |
|---|
| 611 | |
|---|
| 612 | k = nzt |
|---|
| 613 | |
|---|
| 614 | IF ( .NOT. cloud_physics ) THEN |
|---|
| 615 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 616 | k2 = 0.61 * pt(k,j,i) |
|---|
| 617 | ELSE |
|---|
| 618 | IF ( ql(k,j,i) == 0.0 ) THEN |
|---|
| 619 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 620 | k2 = 0.61 * pt(k,j,i) |
|---|
| 621 | ELSE |
|---|
| 622 | theta = pt(k,j,i) + pt_d_t(k) * l_d_cp * ql(k,j,i) |
|---|
| 623 | temp = theta * t_d_pt(k) |
|---|
| 624 | k1 = ( 1.0 - q(k,j,i) + 1.61 * & |
|---|
| 625 | ( q(k,j,i) - ql(k,j,i) ) * & |
|---|
| 626 | ( 1.0 + 0.622 * l_d_r / temp ) ) / & |
|---|
| 627 | ( 1.0 + 0.622 * l_d_r * l_d_cp * & |
|---|
| 628 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
|---|
| 629 | k2 = theta * ( l_d_cp / temp * k1 - 1.0 ) |
|---|
| 630 | ENDIF |
|---|
| 631 | ENDIF |
|---|
| 632 | |
|---|
| 633 | tend(k,j,i) = tend(k,j,i) + g / vpt(k,j,i) * & |
|---|
| 634 | ( k1* tswst(j,i) + k2 * qswst(j,i) ) |
|---|
| 635 | ENDDO |
|---|
| 636 | |
|---|
| 637 | ENDIF |
|---|
| 638 | |
|---|
| 639 | ENDIF |
|---|
| 640 | |
|---|
| 641 | ENDIF |
|---|
| 642 | |
|---|
| 643 | ENDDO |
|---|
| 644 | |
|---|
| 645 | END SUBROUTINE production_e |
|---|
| 646 | |
|---|
| 647 | |
|---|
| 648 | !------------------------------------------------------------------------------! |
|---|
| 649 | ! Call for grid point i,j |
|---|
| 650 | !------------------------------------------------------------------------------! |
|---|
| 651 | SUBROUTINE production_e_ij( i, j ) |
|---|
| 652 | |
|---|
| 653 | USE arrays_3d |
|---|
| 654 | USE cloud_parameters |
|---|
| 655 | USE control_parameters |
|---|
| 656 | USE grid_variables |
|---|
| 657 | USE indices |
|---|
| 658 | USE statistics |
|---|
| 659 | |
|---|
| 660 | IMPLICIT NONE |
|---|
| 661 | |
|---|
| 662 | INTEGER :: i, j, k |
|---|
| 663 | |
|---|
| 664 | REAL :: def, dudx, dudy, dudz, dvdx, dvdy, dvdz, dwdx, dwdy, dwdz, & |
|---|
| 665 | k1, k2, km_neutral, theta, temp |
|---|
| 666 | |
|---|
| 667 | REAL, DIMENSION(nzb:nzt+1) :: usvs, vsus, wsus, wsvs |
|---|
| 668 | |
|---|
| 669 | ! |
|---|
| 670 | !-- Calculate TKE production by shear |
|---|
| 671 | DO k = nzb_diff_s_outer(j,i), nzt |
|---|
| 672 | |
|---|
| 673 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 674 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
|---|
| 675 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
|---|
| 676 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
|---|
| 677 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
|---|
| 678 | |
|---|
| 679 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
|---|
| 680 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
|---|
| 681 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
|---|
| 682 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
|---|
| 683 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
|---|
| 684 | |
|---|
| 685 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
|---|
| 686 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
|---|
| 687 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
|---|
| 688 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
|---|
| 689 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 690 | |
|---|
| 691 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) & |
|---|
| 692 | + dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + dvdz**2 & |
|---|
| 693 | + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
|---|
| 694 | |
|---|
| 695 | IF ( def < 0.0 ) def = 0.0 |
|---|
| 696 | |
|---|
| 697 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
|---|
| 698 | |
|---|
| 699 | ENDDO |
|---|
| 700 | |
|---|
| 701 | IF ( prandtl_layer ) THEN |
|---|
| 702 | |
|---|
| 703 | IF ( ( wall_e_x(j,i) /= 0.0 ) .OR. ( wall_e_y(j,i) /= 0.0 ) ) THEN |
|---|
| 704 | |
|---|
| 705 | ! |
|---|
| 706 | !-- Position beneath wall |
|---|
| 707 | !-- (2) - Will allways be executed. |
|---|
| 708 | !-- 'bottom and wall: use u_0,v_0 and wall functions' |
|---|
| 709 | k = nzb_diff_s_inner(j,i)-1 |
|---|
| 710 | |
|---|
| 711 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 712 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
|---|
| 713 | u_0(j,i) - u_0(j,i+1) ) * dd2zu(k) |
|---|
| 714 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
|---|
| 715 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
|---|
| 716 | v_0(j,i) - v_0(j+1,i) ) * dd2zu(k) |
|---|
| 717 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 718 | |
|---|
| 719 | IF ( wall_e_y(j,i) /= 0.0 ) THEN |
|---|
| 720 | ! |
|---|
| 721 | !-- Inconsistency removed: as the thermal stratification |
|---|
| 722 | !-- is not taken into account for the evaluation of the |
|---|
| 723 | !-- wall fluxes at vertical walls, the eddy viscosity km |
|---|
| 724 | !-- must not be used for the evaluation of the velocity |
|---|
| 725 | !-- gradients dudy and dwdy |
|---|
| 726 | !-- Note: The validity of the new method has not yet |
|---|
| 727 | !-- been shown, as so far no suitable data for a |
|---|
| 728 | !-- validation has been available |
|---|
| 729 | CALL wall_fluxes_e( i, j, k, nzb_diff_s_outer(j,i)-2, & |
|---|
| 730 | usvs, 1.0, 0.0, 0.0, 0.0 ) |
|---|
| 731 | CALL wall_fluxes_e( i, j, k, nzb_diff_s_outer(j,i)-2, & |
|---|
| 732 | wsvs, 0.0, 0.0, 1.0, 0.0 ) |
|---|
| 733 | km_neutral = kappa * ( usvs(k)**2 + wsvs(k)**2 )**0.25 * & |
|---|
| 734 | 0.5 * dy |
|---|
| 735 | IF ( km_neutral > 0.0 ) THEN |
|---|
| 736 | dudy = - wall_e_y(j,i) * usvs(k) / km_neutral |
|---|
| 737 | dwdy = - wall_e_y(j,i) * wsvs(k) / km_neutral |
|---|
| 738 | ELSE |
|---|
| 739 | dudy = 0.0 |
|---|
| 740 | dwdy = 0.0 |
|---|
| 741 | ENDIF |
|---|
| 742 | ELSE |
|---|
| 743 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
|---|
| 744 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
|---|
| 745 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
|---|
| 746 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
|---|
| 747 | ENDIF |
|---|
| 748 | |
|---|
| 749 | IF ( wall_e_x(j,i) /= 0.0 ) THEN |
|---|
| 750 | ! |
|---|
| 751 | !-- Inconsistency removed: as the thermal stratification |
|---|
| 752 | !-- is not taken into account for the evaluation of the |
|---|
| 753 | !-- wall fluxes at vertical walls, the eddy viscosity km |
|---|
| 754 | !-- must not be used for the evaluation of the velocity |
|---|
| 755 | !-- gradients dvdx and dwdx |
|---|
| 756 | !-- Note: The validity of the new method has not yet |
|---|
| 757 | !-- been shown, as so far no suitable data for a |
|---|
| 758 | !-- validation has been available |
|---|
| 759 | CALL wall_fluxes_e( i, j, k, nzb_diff_s_outer(j,i)-2, & |
|---|
| 760 | vsus, 0.0, 1.0, 0.0, 0.0 ) |
|---|
| 761 | CALL wall_fluxes_e( i, j, k, nzb_diff_s_outer(j,i)-2, & |
|---|
| 762 | wsus, 0.0, 0.0, 0.0, 1.0 ) |
|---|
| 763 | km_neutral = kappa * ( vsus(k)**2 + wsus(k)**2 )**0.25 * & |
|---|
| 764 | 0.5 * dx |
|---|
| 765 | IF ( km_neutral > 0.0 ) THEN |
|---|
| 766 | dvdx = - wall_e_x(j,i) * vsus(k) / km_neutral |
|---|
| 767 | dwdx = - wall_e_x(j,i) * wsus(k) / km_neutral |
|---|
| 768 | ELSE |
|---|
| 769 | dvdx = 0.0 |
|---|
| 770 | dwdx = 0.0 |
|---|
| 771 | ENDIF |
|---|
| 772 | ELSE |
|---|
| 773 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
|---|
| 774 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
|---|
| 775 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
|---|
| 776 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
|---|
| 777 | ENDIF |
|---|
| 778 | |
|---|
| 779 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
|---|
| 780 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
|---|
| 781 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
|---|
| 782 | |
|---|
| 783 | IF ( def < 0.0 ) def = 0.0 |
|---|
| 784 | |
|---|
| 785 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
|---|
| 786 | |
|---|
| 787 | ! |
|---|
| 788 | !-- (3) - will be executed only, if there is at least one level |
|---|
| 789 | !-- between (2) and (4), i.e. the topography must have a |
|---|
| 790 | !-- minimum height of 2 dz. Wall fluxes for this case have |
|---|
| 791 | !-- already been calculated for (2). |
|---|
| 792 | !-- 'wall only: use wall functions' |
|---|
| 793 | DO k = nzb_diff_s_inner(j,i), nzb_diff_s_outer(j,i)-2 |
|---|
| 794 | |
|---|
| 795 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 796 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
|---|
| 797 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
|---|
| 798 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
|---|
| 799 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
|---|
| 800 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
|---|
| 801 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 802 | |
|---|
| 803 | IF ( wall_e_y(j,i) /= 0.0 ) THEN |
|---|
| 804 | ! |
|---|
| 805 | !-- Inconsistency removed: as the thermal stratification |
|---|
| 806 | !-- is not taken into account for the evaluation of the |
|---|
| 807 | !-- wall fluxes at vertical walls, the eddy viscosity km |
|---|
| 808 | !-- must not be used for the evaluation of the velocity |
|---|
| 809 | !-- gradients dudy and dwdy |
|---|
| 810 | !-- Note: The validity of the new method has not yet |
|---|
| 811 | !-- been shown, as so far no suitable data for a |
|---|
| 812 | !-- validation has been available |
|---|
| 813 | km_neutral = kappa * ( usvs(k)**2 + & |
|---|
| 814 | wsvs(k)**2 )**0.25 * 0.5 * dy |
|---|
| 815 | IF ( km_neutral > 0.0 ) THEN |
|---|
| 816 | dudy = - wall_e_y(j,i) * usvs(k) / km_neutral |
|---|
| 817 | dwdy = - wall_e_y(j,i) * wsvs(k) / km_neutral |
|---|
| 818 | ELSE |
|---|
| 819 | dudy = 0.0 |
|---|
| 820 | dwdy = 0.0 |
|---|
| 821 | ENDIF |
|---|
| 822 | ELSE |
|---|
| 823 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
|---|
| 824 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
|---|
| 825 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
|---|
| 826 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
|---|
| 827 | ENDIF |
|---|
| 828 | |
|---|
| 829 | IF ( wall_e_x(j,i) /= 0.0 ) THEN |
|---|
| 830 | ! |
|---|
| 831 | !-- Inconsistency removed: as the thermal stratification |
|---|
| 832 | !-- is not taken into account for the evaluation of the |
|---|
| 833 | !-- wall fluxes at vertical walls, the eddy viscosity km |
|---|
| 834 | !-- must not be used for the evaluation of the velocity |
|---|
| 835 | !-- gradients dvdx and dwdx |
|---|
| 836 | !-- Note: The validity of the new method has not yet |
|---|
| 837 | !-- been shown, as so far no suitable data for a |
|---|
| 838 | !-- validation has been available |
|---|
| 839 | km_neutral = kappa * ( vsus(k)**2 + & |
|---|
| 840 | wsus(k)**2 )**0.25 * 0.5 * dx |
|---|
| 841 | IF ( km_neutral > 0.0 ) THEN |
|---|
| 842 | dvdx = - wall_e_x(j,i) * vsus(k) / km_neutral |
|---|
| 843 | dwdx = - wall_e_x(j,i) * wsus(k) / km_neutral |
|---|
| 844 | ELSE |
|---|
| 845 | dvdx = 0.0 |
|---|
| 846 | dwdx = 0.0 |
|---|
| 847 | ENDIF |
|---|
| 848 | ELSE |
|---|
| 849 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
|---|
| 850 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
|---|
| 851 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
|---|
| 852 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
|---|
| 853 | ENDIF |
|---|
| 854 | |
|---|
| 855 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
|---|
| 856 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
|---|
| 857 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
|---|
| 858 | |
|---|
| 859 | IF ( def < 0.0 ) def = 0.0 |
|---|
| 860 | |
|---|
| 861 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
|---|
| 862 | |
|---|
| 863 | ENDDO |
|---|
| 864 | |
|---|
| 865 | ! |
|---|
| 866 | !-- (4) - will allways be executed. |
|---|
| 867 | !-- 'special case: free atmosphere' (as for case (0)) |
|---|
| 868 | k = nzb_diff_s_outer(j,i)-1 |
|---|
| 869 | |
|---|
| 870 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 871 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
|---|
| 872 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
|---|
| 873 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
|---|
| 874 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
|---|
| 875 | |
|---|
| 876 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
|---|
| 877 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
|---|
| 878 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
|---|
| 879 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
|---|
| 880 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
|---|
| 881 | |
|---|
| 882 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
|---|
| 883 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
|---|
| 884 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
|---|
| 885 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
|---|
| 886 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 887 | |
|---|
| 888 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
|---|
| 889 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
|---|
| 890 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
|---|
| 891 | |
|---|
| 892 | IF ( def < 0.0 ) def = 0.0 |
|---|
| 893 | |
|---|
| 894 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
|---|
| 895 | |
|---|
| 896 | ELSE |
|---|
| 897 | |
|---|
| 898 | ! |
|---|
| 899 | !-- Position without adjacent wall |
|---|
| 900 | !-- (1) - will allways be executed. |
|---|
| 901 | !-- 'bottom only: use u_0,v_0' |
|---|
| 902 | k = nzb_diff_s_inner(j,i)-1 |
|---|
| 903 | |
|---|
| 904 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 905 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
|---|
| 906 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
|---|
| 907 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
|---|
| 908 | u_0(j,i) - u_0(j,i+1) ) * dd2zu(k) |
|---|
| 909 | |
|---|
| 910 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
|---|
| 911 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
|---|
| 912 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
|---|
| 913 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
|---|
| 914 | v_0(j,i) - v_0(j+1,i) ) * dd2zu(k) |
|---|
| 915 | |
|---|
| 916 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
|---|
| 917 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
|---|
| 918 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
|---|
| 919 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
|---|
| 920 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 921 | |
|---|
| 922 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) & |
|---|
| 923 | + dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + dvdz**2 & |
|---|
| 924 | + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
|---|
| 925 | |
|---|
| 926 | IF ( def < 0.0 ) def = 0.0 |
|---|
| 927 | |
|---|
| 928 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
|---|
| 929 | |
|---|
| 930 | ENDIF |
|---|
| 931 | |
|---|
| 932 | ELSEIF ( use_surface_fluxes ) THEN |
|---|
| 933 | |
|---|
| 934 | k = nzb_diff_s_outer(j,i)-1 |
|---|
| 935 | |
|---|
| 936 | dudx = ( u(k,j,i+1) - u(k,j,i) ) * ddx |
|---|
| 937 | dudy = 0.25 * ( u(k,j+1,i) + u(k,j+1,i+1) - & |
|---|
| 938 | u(k,j-1,i) - u(k,j-1,i+1) ) * ddy |
|---|
| 939 | dudz = 0.5 * ( u(k+1,j,i) + u(k+1,j,i+1) - & |
|---|
| 940 | u(k-1,j,i) - u(k-1,j,i+1) ) * dd2zu(k) |
|---|
| 941 | |
|---|
| 942 | dvdx = 0.25 * ( v(k,j,i+1) + v(k,j+1,i+1) - & |
|---|
| 943 | v(k,j,i-1) - v(k,j+1,i-1) ) * ddx |
|---|
| 944 | dvdy = ( v(k,j+1,i) - v(k,j,i) ) * ddy |
|---|
| 945 | dvdz = 0.5 * ( v(k+1,j,i) + v(k+1,j+1,i) - & |
|---|
| 946 | v(k-1,j,i) - v(k-1,j+1,i) ) * dd2zu(k) |
|---|
| 947 | |
|---|
| 948 | dwdx = 0.25 * ( w(k,j,i+1) + w(k-1,j,i+1) - & |
|---|
| 949 | w(k,j,i-1) - w(k-1,j,i-1) ) * ddx |
|---|
| 950 | dwdy = 0.25 * ( w(k,j+1,i) + w(k-1,j+1,i) - & |
|---|
| 951 | w(k,j-1,i) - w(k-1,j-1,i) ) * ddy |
|---|
| 952 | dwdz = ( w(k,j,i) - w(k-1,j,i) ) * ddzw(k) |
|---|
| 953 | |
|---|
| 954 | def = 2.0 * ( dudx**2 + dvdy**2 + dwdz**2 ) + & |
|---|
| 955 | dudy**2 + dvdx**2 + dwdx**2 + dwdy**2 + dudz**2 + & |
|---|
| 956 | dvdz**2 + 2.0 * ( dvdx*dudy + dwdx*dudz + dwdy*dvdz ) |
|---|
| 957 | |
|---|
| 958 | IF ( def < 0.0 ) def = 0.0 |
|---|
| 959 | |
|---|
| 960 | tend(k,j,i) = tend(k,j,i) + km(k,j,i) * def |
|---|
| 961 | |
|---|
| 962 | ENDIF |
|---|
| 963 | |
|---|
| 964 | ! |
|---|
| 965 | !-- If required, calculate TKE production by buoyancy |
|---|
| 966 | IF ( .NOT. neutral ) THEN |
|---|
| 967 | |
|---|
| 968 | IF ( .NOT. humidity ) THEN |
|---|
| 969 | |
|---|
| 970 | IF ( use_reference ) THEN |
|---|
| 971 | |
|---|
| 972 | IF ( ocean ) THEN |
|---|
| 973 | ! |
|---|
| 974 | !-- So far in the ocean no special treatment of density flux in |
|---|
| 975 | !-- the bottom and top surface layer |
|---|
| 976 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 977 | tend(k,j,i) = tend(k,j,i) + & |
|---|
| 978 | kh(k,j,i) * g / rho_reference * & |
|---|
| 979 | ( rho(k+1,j,i) - rho(k-1,j,i) ) * dd2zu(k) |
|---|
| 980 | ENDDO |
|---|
| 981 | |
|---|
| 982 | ELSE |
|---|
| 983 | |
|---|
| 984 | DO k = nzb_diff_s_inner(j,i), nzt_diff |
|---|
| 985 | tend(k,j,i) = tend(k,j,i) - & |
|---|
| 986 | kh(k,j,i) * g / pt_reference * & |
|---|
| 987 | ( pt(k+1,j,i) - pt(k-1,j,i) ) * dd2zu(k) |
|---|
| 988 | ENDDO |
|---|
| 989 | |
|---|
| 990 | IF ( use_surface_fluxes ) THEN |
|---|
| 991 | k = nzb_diff_s_inner(j,i)-1 |
|---|
| 992 | tend(k,j,i) = tend(k,j,i) + g / pt_reference * shf(j,i) |
|---|
| 993 | ENDIF |
|---|
| 994 | |
|---|
| 995 | IF ( use_top_fluxes ) THEN |
|---|
| 996 | k = nzt |
|---|
| 997 | tend(k,j,i) = tend(k,j,i) + g / pt_reference * tswst(j,i) |
|---|
| 998 | ENDIF |
|---|
| 999 | |
|---|
| 1000 | ENDIF |
|---|
| 1001 | |
|---|
| 1002 | ELSE |
|---|
| 1003 | |
|---|
| 1004 | IF ( ocean ) THEN |
|---|
| 1005 | ! |
|---|
| 1006 | !-- So far in the ocean no special treatment of density flux in |
|---|
| 1007 | !-- the bottom and top surface layer |
|---|
| 1008 | DO k = nzb_s_inner(j,i)+1, nzt |
|---|
| 1009 | tend(k,j,i) = tend(k,j,i) + & |
|---|
| 1010 | kh(k,j,i) * g / rho(k,j,i) * & |
|---|
| 1011 | ( rho(k+1,j,i) - rho(k-1,j,i) ) * dd2zu(k) |
|---|
| 1012 | ENDDO |
|---|
| 1013 | |
|---|
| 1014 | ELSE |
|---|
| 1015 | |
|---|
| 1016 | DO k = nzb_diff_s_inner(j,i), nzt_diff |
|---|
| 1017 | tend(k,j,i) = tend(k,j,i) - & |
|---|
| 1018 | kh(k,j,i) * g / pt(k,j,i) * & |
|---|
| 1019 | ( pt(k+1,j,i) - pt(k-1,j,i) ) * dd2zu(k) |
|---|
| 1020 | ENDDO |
|---|
| 1021 | |
|---|
| 1022 | IF ( use_surface_fluxes ) THEN |
|---|
| 1023 | k = nzb_diff_s_inner(j,i)-1 |
|---|
| 1024 | tend(k,j,i) = tend(k,j,i) + g / pt(k,j,i) * shf(j,i) |
|---|
| 1025 | ENDIF |
|---|
| 1026 | |
|---|
| 1027 | IF ( use_top_fluxes ) THEN |
|---|
| 1028 | k = nzt |
|---|
| 1029 | tend(k,j,i) = tend(k,j,i) + g / pt(k,j,i) * tswst(j,i) |
|---|
| 1030 | ENDIF |
|---|
| 1031 | |
|---|
| 1032 | ENDIF |
|---|
| 1033 | |
|---|
| 1034 | ENDIF |
|---|
| 1035 | |
|---|
| 1036 | ELSE |
|---|
| 1037 | |
|---|
| 1038 | DO k = nzb_diff_s_inner(j,i), nzt_diff |
|---|
| 1039 | |
|---|
| 1040 | IF ( .NOT. cloud_physics ) THEN |
|---|
| 1041 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 1042 | k2 = 0.61 * pt(k,j,i) |
|---|
| 1043 | ELSE |
|---|
| 1044 | IF ( ql(k,j,i) == 0.0 ) THEN |
|---|
| 1045 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 1046 | k2 = 0.61 * pt(k,j,i) |
|---|
| 1047 | ELSE |
|---|
| 1048 | theta = pt(k,j,i) + pt_d_t(k) * l_d_cp * ql(k,j,i) |
|---|
| 1049 | temp = theta * t_d_pt(k) |
|---|
| 1050 | k1 = ( 1.0 - q(k,j,i) + 1.61 * & |
|---|
| 1051 | ( q(k,j,i) - ql(k,j,i) ) * & |
|---|
| 1052 | ( 1.0 + 0.622 * l_d_r / temp ) ) / & |
|---|
| 1053 | ( 1.0 + 0.622 * l_d_r * l_d_cp * & |
|---|
| 1054 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
|---|
| 1055 | k2 = theta * ( l_d_cp / temp * k1 - 1.0 ) |
|---|
| 1056 | ENDIF |
|---|
| 1057 | ENDIF |
|---|
| 1058 | |
|---|
| 1059 | tend(k,j,i) = tend(k,j,i) - kh(k,j,i) * g / vpt(k,j,i) * & |
|---|
| 1060 | ( k1 * ( pt(k+1,j,i)-pt(k-1,j,i) ) + & |
|---|
| 1061 | k2 * ( q(k+1,j,i) - q(k-1,j,i) ) & |
|---|
| 1062 | ) * dd2zu(k) |
|---|
| 1063 | ENDDO |
|---|
| 1064 | |
|---|
| 1065 | IF ( use_surface_fluxes ) THEN |
|---|
| 1066 | k = nzb_diff_s_inner(j,i)-1 |
|---|
| 1067 | |
|---|
| 1068 | IF ( .NOT. cloud_physics ) THEN |
|---|
| 1069 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 1070 | k2 = 0.61 * pt(k,j,i) |
|---|
| 1071 | ELSE |
|---|
| 1072 | IF ( ql(k,j,i) == 0.0 ) THEN |
|---|
| 1073 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 1074 | k2 = 0.61 * pt(k,j,i) |
|---|
| 1075 | ELSE |
|---|
| 1076 | theta = pt(k,j,i) + pt_d_t(k) * l_d_cp * ql(k,j,i) |
|---|
| 1077 | temp = theta * t_d_pt(k) |
|---|
| 1078 | k1 = ( 1.0 - q(k,j,i) + 1.61 * & |
|---|
| 1079 | ( q(k,j,i) - ql(k,j,i) ) * & |
|---|
| 1080 | ( 1.0 + 0.622 * l_d_r / temp ) ) / & |
|---|
| 1081 | ( 1.0 + 0.622 * l_d_r * l_d_cp * & |
|---|
| 1082 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
|---|
| 1083 | k2 = theta * ( l_d_cp / temp * k1 - 1.0 ) |
|---|
| 1084 | ENDIF |
|---|
| 1085 | ENDIF |
|---|
| 1086 | |
|---|
| 1087 | tend(k,j,i) = tend(k,j,i) + g / vpt(k,j,i) * & |
|---|
| 1088 | ( k1* shf(j,i) + k2 * qsws(j,i) ) |
|---|
| 1089 | ENDIF |
|---|
| 1090 | |
|---|
| 1091 | IF ( use_top_fluxes ) THEN |
|---|
| 1092 | k = nzt |
|---|
| 1093 | |
|---|
| 1094 | IF ( .NOT. cloud_physics ) THEN |
|---|
| 1095 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 1096 | k2 = 0.61 * pt(k,j,i) |
|---|
| 1097 | ELSE |
|---|
| 1098 | IF ( ql(k,j,i) == 0.0 ) THEN |
|---|
| 1099 | k1 = 1.0 + 0.61 * q(k,j,i) |
|---|
| 1100 | k2 = 0.61 * pt(k,j,i) |
|---|
| 1101 | ELSE |
|---|
| 1102 | theta = pt(k,j,i) + pt_d_t(k) * l_d_cp * ql(k,j,i) |
|---|
| 1103 | temp = theta * t_d_pt(k) |
|---|
| 1104 | k1 = ( 1.0 - q(k,j,i) + 1.61 * & |
|---|
| 1105 | ( q(k,j,i) - ql(k,j,i) ) * & |
|---|
| 1106 | ( 1.0 + 0.622 * l_d_r / temp ) ) / & |
|---|
| 1107 | ( 1.0 + 0.622 * l_d_r * l_d_cp * & |
|---|
| 1108 | ( q(k,j,i) - ql(k,j,i) ) / ( temp * temp ) ) |
|---|
| 1109 | k2 = theta * ( l_d_cp / temp * k1 - 1.0 ) |
|---|
| 1110 | ENDIF |
|---|
| 1111 | ENDIF |
|---|
| 1112 | |
|---|
| 1113 | tend(k,j,i) = tend(k,j,i) + g / vpt(k,j,i) * & |
|---|
| 1114 | ( k1* tswst(j,i) + k2 * qswst(j,i) ) |
|---|
| 1115 | ENDIF |
|---|
| 1116 | |
|---|
| 1117 | ENDIF |
|---|
| 1118 | |
|---|
| 1119 | ENDIF |
|---|
| 1120 | |
|---|
| 1121 | END SUBROUTINE production_e_ij |
|---|
| 1122 | |
|---|
| 1123 | |
|---|
| 1124 | SUBROUTINE production_e_init |
|---|
| 1125 | |
|---|
| 1126 | USE arrays_3d |
|---|
| 1127 | USE control_parameters |
|---|
| 1128 | USE grid_variables |
|---|
| 1129 | USE indices |
|---|
| 1130 | |
|---|
| 1131 | IMPLICIT NONE |
|---|
| 1132 | |
|---|
| 1133 | INTEGER :: i, j, ku, kv |
|---|
| 1134 | |
|---|
| 1135 | IF ( prandtl_layer ) THEN |
|---|
| 1136 | |
|---|
| 1137 | IF ( first_call ) THEN |
|---|
| 1138 | ALLOCATE( u_0(nysg:nyng,nxlg:nxrg), v_0(nysg:nyng,nxlg:nxrg) ) |
|---|
| 1139 | u_0 = 0.0 ! just to avoid access of uninitialized memory |
|---|
| 1140 | v_0 = 0.0 ! within exchange_horiz_2d |
|---|
| 1141 | first_call = .FALSE. |
|---|
| 1142 | ENDIF |
|---|
| 1143 | |
|---|
| 1144 | ! |
|---|
| 1145 | !-- Calculate a virtual velocity at the surface in a way that the |
|---|
| 1146 | !-- vertical velocity gradient at k = 1 (u(k+1)-u_0) matches the |
|---|
| 1147 | !-- Prandtl law (-w'u'/km). This gradient is used in the TKE shear |
|---|
| 1148 | !-- production term at k=1 (see production_e_ij). |
|---|
| 1149 | !-- The velocity gradient has to be limited in case of too small km |
|---|
| 1150 | !-- (otherwise the timestep may be significantly reduced by large |
|---|
| 1151 | !-- surface winds). |
|---|
| 1152 | !-- Upper bounds are nxr+1 and nyn+1 because otherwise these values are |
|---|
| 1153 | !-- not available in case of non-cyclic boundary conditions. |
|---|
| 1154 | !-- WARNING: the exact analytical solution would require the determination |
|---|
| 1155 | !-- of the eddy diffusivity by km = u* * kappa * zp / phi_m. |
|---|
| 1156 | !$OMP PARALLEL DO PRIVATE( ku, kv ) |
|---|
| 1157 | DO i = nxl, nxr+1 |
|---|
| 1158 | DO j = nys, nyn+1 |
|---|
| 1159 | |
|---|
| 1160 | ku = nzb_u_inner(j,i)+1 |
|---|
| 1161 | kv = nzb_v_inner(j,i)+1 |
|---|
| 1162 | |
|---|
| 1163 | u_0(j,i) = u(ku+1,j,i) + usws(j,i) * ( zu(ku+1) - zu(ku-1) ) / & |
|---|
| 1164 | ( 0.5 * ( km(ku,j,i) + km(ku,j,i-1) ) + & |
|---|
| 1165 | 1.0E-20 ) |
|---|
| 1166 | ! ( us(j,i) * kappa * zu(1) ) |
|---|
| 1167 | v_0(j,i) = v(kv+1,j,i) + vsws(j,i) * ( zu(kv+1) - zu(kv-1) ) / & |
|---|
| 1168 | ( 0.5 * ( km(kv,j,i) + km(kv,j-1,i) ) + & |
|---|
| 1169 | 1.0E-20 ) |
|---|
| 1170 | ! ( us(j,i) * kappa * zu(1) ) |
|---|
| 1171 | |
|---|
| 1172 | IF ( ABS( u(ku+1,j,i) - u_0(j,i) ) > & |
|---|
| 1173 | ABS( u(ku+1,j,i) - u(ku-1,j,i) ) ) u_0(j,i) = u(ku-1,j,i) |
|---|
| 1174 | IF ( ABS( v(kv+1,j,i) - v_0(j,i) ) > & |
|---|
| 1175 | ABS( v(kv+1,j,i) - v(kv-1,j,i) ) ) v_0(j,i) = v(kv-1,j,i) |
|---|
| 1176 | |
|---|
| 1177 | ENDDO |
|---|
| 1178 | ENDDO |
|---|
| 1179 | |
|---|
| 1180 | CALL exchange_horiz_2d( u_0 ) |
|---|
| 1181 | CALL exchange_horiz_2d( v_0 ) |
|---|
| 1182 | |
|---|
| 1183 | ENDIF |
|---|
| 1184 | |
|---|
| 1185 | END SUBROUTINE production_e_init |
|---|
| 1186 | |
|---|
| 1187 | END MODULE production_e_mod |
|---|
