[1] | 1 | MODULE buoyancy_mod |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! Actual revisions: |
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| 5 | ! ----------------- |
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[98] | 6 | ! |
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| 7 | ! |
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| 8 | ! Former revisions: |
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| 9 | ! ----------------- |
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| 10 | ! $Id: buoyancy.f90 98 2007-06-21 09:36:33Z raasch $ |
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| 11 | ! |
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| 12 | ! 97 2007-06-21 08:23:15Z raasch |
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[97] | 13 | ! Routine reneralized to be used with temperature AND density: |
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| 14 | ! argument theta renamed var, new argument var_reference, |
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| 15 | ! use_pt_reference renamed use_reference, |
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[96] | 16 | ! calc_mean_pt_profile renamed calc_mean_profile |
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[1] | 17 | ! |
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[77] | 18 | ! 57 2007-03-09 12:05:41Z raasch |
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| 19 | ! Reference temperature pt_reference can be used. |
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| 20 | ! |
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[3] | 21 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 22 | ! |
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[1] | 23 | ! Revision 1.19 2006/04/26 12:09:56 raasch |
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| 24 | ! OpenMP optimization (one dimension added to sums_l) |
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| 25 | ! |
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| 26 | ! Revision 1.1 1997/08/29 08:56:48 raasch |
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| 27 | ! Initial revision |
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| 28 | ! |
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| 29 | ! |
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| 30 | ! Description: |
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| 31 | ! ------------ |
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| 32 | ! Buoyancy term of the third component of the equation of motion. |
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| 33 | ! WARNING: humidity is not regarded when using a sloping surface! |
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| 34 | !------------------------------------------------------------------------------! |
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| 35 | |
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| 36 | PRIVATE |
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[96] | 37 | PUBLIC buoyancy, calc_mean_profile |
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[1] | 38 | |
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| 39 | INTERFACE buoyancy |
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| 40 | MODULE PROCEDURE buoyancy |
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| 41 | MODULE PROCEDURE buoyancy_ij |
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| 42 | END INTERFACE buoyancy |
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| 43 | |
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[96] | 44 | INTERFACE calc_mean_profile |
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| 45 | MODULE PROCEDURE calc_mean_profile |
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| 46 | END INTERFACE calc_mean_profile |
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[1] | 47 | |
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| 48 | CONTAINS |
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| 49 | |
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| 50 | |
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| 51 | !------------------------------------------------------------------------------! |
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| 52 | ! Call for all grid points |
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| 53 | !------------------------------------------------------------------------------! |
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[97] | 54 | SUBROUTINE buoyancy( var, var_reference, wind_component, pr ) |
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[1] | 55 | |
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| 56 | USE arrays_3d |
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| 57 | USE control_parameters |
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| 58 | USE indices |
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| 59 | USE pegrid |
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| 60 | USE statistics |
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| 61 | |
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| 62 | IMPLICIT NONE |
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| 63 | |
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| 64 | INTEGER :: i, j, k, pr, wind_component |
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[97] | 65 | REAL :: var_reference |
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| 66 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1] | 67 | |
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| 68 | |
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| 69 | IF ( .NOT. sloping_surface ) THEN |
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| 70 | ! |
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| 71 | !-- Normal case: horizontal surface |
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[97] | 72 | IF ( use_reference ) THEN |
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[57] | 73 | DO i = nxl, nxr |
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| 74 | DO j = nys, nyn |
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| 75 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 76 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 77 | ( & |
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| 78 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 79 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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[57] | 80 | ) |
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| 81 | ENDDO |
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| 82 | ENDDO |
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| 83 | ENDDO |
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| 84 | ELSE |
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| 85 | DO i = nxl, nxr |
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| 86 | DO j = nys, nyn |
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| 87 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 88 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 89 | ( & |
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| 90 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 91 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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[57] | 92 | ) |
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| 93 | ENDDO |
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[1] | 94 | ENDDO |
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| 95 | ENDDO |
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[57] | 96 | ENDIF |
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[1] | 97 | |
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| 98 | ELSE |
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| 99 | ! |
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| 100 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 101 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 102 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 103 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 104 | !-- of the total domain. |
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| 105 | IF ( wind_component == 1 ) THEN |
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| 106 | |
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| 107 | DO i = nxl, nxr |
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| 108 | DO j = nys, nyn |
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| 109 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 110 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 111 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 112 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 113 | ) / pt_surface |
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| 114 | ENDDO |
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| 115 | ENDDO |
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| 116 | ENDDO |
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| 117 | |
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| 118 | ELSEIF ( wind_component == 3 ) THEN |
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| 119 | |
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| 120 | DO i = nxl, nxr |
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| 121 | DO j = nys, nyn |
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| 122 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 123 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 124 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 125 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 126 | ) / pt_surface |
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| 127 | ENDDO |
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| 128 | ENDDO |
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| 129 | ENDDO |
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| 130 | |
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| 131 | ELSE |
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| 132 | |
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| 133 | IF ( myid == 0 ) PRINT*, '+++ buoyancy: no term for component "',& |
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| 134 | wind_component,'"' |
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| 135 | CALL local_stop |
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| 136 | |
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| 137 | ENDIF |
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| 138 | |
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| 139 | ENDIF |
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| 140 | |
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| 141 | END SUBROUTINE buoyancy |
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| 142 | |
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| 143 | |
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| 144 | !------------------------------------------------------------------------------! |
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| 145 | ! Call for grid point i,j |
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| 146 | !------------------------------------------------------------------------------! |
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[97] | 147 | SUBROUTINE buoyancy_ij( i, j, var, var_reference, wind_component, pr ) |
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[1] | 148 | |
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| 149 | USE arrays_3d |
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| 150 | USE control_parameters |
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| 151 | USE indices |
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| 152 | USE pegrid |
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| 153 | USE statistics |
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| 154 | |
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| 155 | IMPLICIT NONE |
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| 156 | |
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| 157 | INTEGER :: i, j, k, pr, wind_component |
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[97] | 158 | REAL :: var_reference |
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| 159 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1] | 160 | |
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| 161 | |
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| 162 | IF ( .NOT. sloping_surface ) THEN |
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| 163 | ! |
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| 164 | !-- Normal case: horizontal surface |
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[97] | 165 | IF ( use_reference ) THEN |
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[57] | 166 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 167 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 168 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 169 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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| 170 | ) |
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[57] | 171 | ENDDO |
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| 172 | ELSE |
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| 173 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 174 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 175 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 176 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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| 177 | ) |
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[57] | 178 | ENDDO |
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| 179 | ENDIF |
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[1] | 180 | |
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| 181 | ELSE |
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| 182 | ! |
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| 183 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 184 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 185 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 186 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 187 | !-- of the total domain. |
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| 188 | IF ( wind_component == 1 ) THEN |
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| 189 | |
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| 190 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 191 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 192 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 193 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 194 | ) / pt_surface |
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| 195 | ENDDO |
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| 196 | |
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| 197 | ELSEIF ( wind_component == 3 ) THEN |
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| 198 | |
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| 199 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 200 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 201 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 202 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 203 | ) / pt_surface |
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| 204 | ENDDO |
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| 205 | |
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| 206 | ELSE |
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| 207 | |
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| 208 | IF ( myid == 0 ) PRINT*, '+++ buoyancy: no term for component "',& |
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| 209 | wind_component,'"' |
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| 210 | CALL local_stop |
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| 211 | |
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| 212 | ENDIF |
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| 213 | |
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| 214 | ENDIF |
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| 215 | |
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| 216 | END SUBROUTINE buoyancy_ij |
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| 217 | |
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| 218 | |
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[96] | 219 | SUBROUTINE calc_mean_profile( var, pr ) |
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[1] | 220 | |
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| 221 | !------------------------------------------------------------------------------! |
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| 222 | ! Description: |
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| 223 | ! ------------ |
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| 224 | ! Calculate the horizontally averaged vertical temperature profile (pr=4 in case |
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| 225 | ! of potential temperature and 44 in case of virtual potential temperature). |
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| 226 | !------------------------------------------------------------------------------! |
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| 227 | |
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| 228 | USE control_parameters |
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| 229 | USE indices |
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| 230 | USE pegrid |
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| 231 | USE statistics |
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| 232 | |
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| 233 | IMPLICIT NONE |
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| 234 | |
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| 235 | INTEGER :: i, j, k, omp_get_thread_num, pr, tn |
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[96] | 236 | REAL, DIMENSION(:,:,:), POINTER :: var |
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[1] | 237 | |
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| 238 | ! |
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[96] | 239 | !-- Computation of the horizontally averaged profile of variable var, unless |
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[1] | 240 | !-- already done by the relevant call from flow_statistics. The calculation |
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| 241 | !-- is done only for the first respective intermediate timestep in order to |
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| 242 | !-- spare communication time and to produce identical model results with jobs |
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| 243 | !-- which are calling flow_statistics at different time intervals. |
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| 244 | IF ( .NOT. flow_statistics_called .AND. & |
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| 245 | intermediate_timestep_count == 1 ) THEN |
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| 246 | |
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| 247 | ! |
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[96] | 248 | !-- Horizontal average of variable var |
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[1] | 249 | tn = 0 ! Default thread number in case of one thread |
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| 250 | !$OMP PARALLEL PRIVATE( i, j, k, tn ) |
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| 251 | !$ tn = omp_get_thread_num() |
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| 252 | sums_l(:,pr,tn) = 0.0 |
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| 253 | !$OMP DO |
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| 254 | DO i = nxl, nxr |
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| 255 | DO j = nys, nyn |
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| 256 | DO k = nzb_s_outer(j,i), nzt+1 |
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[96] | 257 | sums_l(k,pr,tn) = sums_l(k,pr,tn) + var(k,j,i) |
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[1] | 258 | ENDDO |
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| 259 | ENDDO |
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| 260 | ENDDO |
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| 261 | !$OMP END PARALLEL |
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| 262 | |
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| 263 | DO i = 1, threads_per_task-1 |
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| 264 | sums_l(:,pr,0) = sums_l(:,pr,0) + sums_l(:,pr,i) |
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| 265 | ENDDO |
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| 266 | |
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| 267 | #if defined( __parallel ) |
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| 268 | |
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| 269 | CALL MPI_ALLREDUCE( sums_l(nzb,pr,0), sums(nzb,pr), nzt+2-nzb, & |
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| 270 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
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| 271 | |
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| 272 | #else |
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| 273 | |
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| 274 | sums(:,pr) = sums_l(:,pr,0) |
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| 275 | |
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| 276 | #endif |
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| 277 | |
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| 278 | hom(:,1,pr,0) = sums(:,pr) / ngp_2dh_outer(:,0) |
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| 279 | |
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| 280 | ENDIF |
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| 281 | |
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[96] | 282 | END SUBROUTINE calc_mean_profile |
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[1] | 283 | |
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| 284 | END MODULE buoyancy_mod |
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