source: palm/trunk/SOURCE/inflow_turbulence.f90 @ 163

Last change on this file since 163 was 163, checked in by raasch, 13 years ago

bugfixes for turbulent inflow in init_pegrid, inflow_turbulence, and init_3d_model

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1 SUBROUTINE inflow_turbulence
2
3!------------------------------------------------------------------------------!
4! Actual revisions:
5! -----------------
6!
7!
8! Former revisions:
9! -----------------
10! $Id: inflow_turbulence.f90 163 2008-05-05 14:09:05Z raasch $
11!
12!
13! Description:
14! ------------
15! Imposing turbulence at the respective inflow using the turbulence
16! recycling method of Kataoka and Mizuno (2002).
17!------------------------------------------------------------------------------!
18
19    USE arrays_3d
20    USE control_parameters
21    USE cpulog
22    USE grid_variables
23    USE indices
24    USE interfaces
25    USE pegrid
26
27
28    IMPLICIT NONE
29
30    INTEGER ::  i, imax, j, k, ngp_ifd, ngp_pr
31
32    REAL, DIMENSION(1:2) ::  volume_flow_l, volume_flow_offset
33    REAL, DIMENSION(nzb:nzt+1,5) ::  avpr, avpr_l
34    REAL, DIMENSION(nzb:nzt+1,nys-1:nyn+1,5) ::  inflow_dist
35
36    CALL cpu_log( log_point(40), 'inflow_turbulence', 'start' )
37
38!
39!-- Carry out horizontal averaging in the recycling plane
40    avpr_l = 0.0
41    ngp_pr = ( nzt - nzb + 2 ) * 5
42    ngp_ifd = ngp_pr * ( nyn - nys + 3 )
43
44!
45!-- First, local averaging within the recycling domain
46    IF ( recycling_plane >= nxl )  THEN
47
48       imax = MIN( nxr, recycling_plane )
49
50       DO  i = nxl, imax
51          DO  j = nys, nyn
52             DO  k = nzb, nzt+1
53
54                avpr_l(k,1) = avpr_l(k,1) + u(k,j,i)
55                avpr_l(k,2) = avpr_l(k,2) + v(k,j,i)
56                avpr_l(k,3) = avpr_l(k,3) + w(k,j,i)
57                avpr_l(k,4) = avpr_l(k,4) + pt(k,j,i)
58                avpr_l(k,5) = avpr_l(k,5) + e(k,j,i)
59
60             ENDDO
61          ENDDO
62       ENDDO
63
64    ENDIF
65
66!    WRITE (9,*) '*** averaged profiles avpr_l'
67!    DO  k = nzb, nzt+1
68!       WRITE (9,'(F5.1,1X,F5.1,1X,F5.1,1X,F6.1,1X,F7.2)') avpr_l(k,1),avpr_l(k,2),avpr_l(k,3),avpr_l(k,4),avpr_l(k,5)
69!    ENDDO
70!    WRITE (9,*) ' '
71
72#if defined( __parallel )
73!
74!-- Now, averaging over all PEs
75    CALL MPI_ALLREDUCE( avpr_l(nzb,1), avpr(nzb,1), ngp_pr, MPI_REAL, MPI_SUM, &
76                        comm2d, ierr )
77#else
78    avpr = avpr_l
79#endif
80
81    avpr = avpr / ( ( ny + 1 ) * ( recycling_plane + 1 ) )
82
83!    WRITE (9,*) '*** averaged profiles'
84!    DO  k = nzb, nzt+1
85!       WRITE (9,'(F5.1,1X,F5.1,1X,F5.1,1X,F6.1,1X,F7.2)') avpr(k,1),avpr(k,2),avpr(k,3),avpr(k,4),avpr(k,5)
86!    ENDDO
87!    WRITE (9,*) ' '
88
89!
90!-- Calculate the disturbances at the recycling plane
91    i = recycling_plane
92
93    IF ( myidx == id_recycling )  THEN
94
95       DO  j = nys-1, nyn+1
96          DO  k = nzb, nzt+1
97
98              inflow_dist(k,j,1) = u(k,j,i+1) - avpr(k,1)
99              inflow_dist(k,j,2) = v(k,j,i)   - avpr(k,2)
100              inflow_dist(k,j,3) = w(k,j,i)   - avpr(k,3)
101              inflow_dist(k,j,4) = pt(k,j,i)  - avpr(k,4)
102              inflow_dist(k,j,5) = e(k,j,i)   - avpr(k,5)
103
104          ENDDO
105       ENDDO
106
107    ENDIF
108
109!
110!-- For parallel runs, send the disturbances to the respective inflow PE
111#if defined( __parallel )
112    IF ( myidx == id_recycling  .AND.  myidx /= id_inflow )  THEN
113
114       CALL MPI_SEND( inflow_dist(nzb,nys-1,1), ngp_ifd, MPI_REAL, &
115                      id_inflow, 1, comm1dx, ierr )
116
117    ELSEIF ( myidx /= id_recycling  .AND.  myidx == id_inflow )  THEN
118
119       inflow_dist = 0.0
120       CALL MPI_RECV( inflow_dist(nzb,nys-1,1), ngp_ifd, MPI_REAL, &
121                      id_recycling, 1, comm1dx, status, ierr )
122
123    ENDIF
124#endif
125
126!
127!-- Add the disturbance at the inflow
128    IF ( nxl == 0 )  THEN
129
130       DO  j = nys-1, nyn+1
131          DO  k = nzb, nzt+1
132
133!              WRITE (9,*) 'j=',j,' k=',k
134!              WRITE (9,*) 'mean_u = ', mean_inflow_profiles(k,1), ' dist_u = ',&
135!                          inflow_dist(k,j,1)
136!              WRITE (9,*) 'mean_v = ', mean_inflow_profiles(k,2), ' dist_v = ',&
137!                          inflow_dist(k,j,2)
138!              WRITE (9,*) 'mean_w = 0.0', ' dist_w = ',&
139!                          inflow_dist(k,j,3)
140!              WRITE (9,*) 'mean_pt = ', mean_inflow_profiles(k,4), ' dist_pt = ',&
141!                          inflow_dist(k,j,4)
142!              WRITE (9,*) 'mean_e = ', mean_inflow_profiles(k,5), ' dist_e = ',&
143!                          inflow_dist(k,j,5)
144              u(k,j,0)   = mean_inflow_profiles(k,1) + &
145                           inflow_dist(k,j,1) * inflow_damping_factor(k)
146              v(k,j,-1)  = mean_inflow_profiles(k,2) + &
147                           inflow_dist(k,j,2) * inflow_damping_factor(k)
148              w(k,j,-1)  = inflow_dist(k,j,3) * inflow_damping_factor(k)
149              pt(k,j,-1) = mean_inflow_profiles(k,4) + &
150                           inflow_dist(k,j,4) * inflow_damping_factor(k)
151              e(k,j,-1)  = mean_inflow_profiles(k,5) + &
152                           inflow_dist(k,j,5) * inflow_damping_factor(k)
153              e(k,j,-1)  = MAX( e(k,j,-1), 0.0 )
154
155          ENDDO
156       ENDDO
157
158    ENDIF
159
160!
161!-- Conserve the volume flow at the inflow in order to avoid generation of
162!-- waves in the stable layer
163!    IF ( conserve_volume_flow  .AND.  inflow_l )  THEN
164
165!       volume_flow(1)   = 0.0
166!       volume_flow_l(1) = 0.0
167
168!       i = 0
169
170!       DO  j = nys, nyn
171!
172!--       Sum up the volume flow through the south/north boundary
173!          DO  k = nzb_2d(j,i) + 1, nzt
174!             volume_flow_l(1) = volume_flow_l(1) + u(k,j,i) * dzu(k)
175!          ENDDO
176!       ENDDO
177
178#if defined( __parallel )   
179!       CALL MPI_ALLREDUCE( volume_flow_l(1), volume_flow(1), 1, MPI_REAL, &
180!                           MPI_SUM, comm1dy, ierr )   
181#else
182!       volume_flow = volume_flow_l 
183#endif
184!       volume_flow_offset(1) = ( volume_flow_initial(1) - volume_flow(1) )    &
185!                               / volume_flow_area(1)
186
187!       DO  j = nys-1, nyn+1
188!          DO  k = nzb_v_inner(j,i) + 1, nzt
189!             u(k,j,i) = u(k,j,i) + volume_flow_offset(1)
190!          ENDDO
191!       ENDDO
192
193!    ENDIF
194
195    CALL cpu_log( log_point(40), 'inflow_turbulence', 'stop' )
196
197
198 END SUBROUTINE inflow_turbulence
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