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! version 3; Last Modified: May 7, 2008.
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***s/r dynstep_ad - ADJ of dynstep_tl
*
#include "model_macros_f.h"
*
subroutine dynstep_ad 1,35
*
implicit none
*
*author
* M.Tanguay
*
*revision
* v2_10 - Tanguay M. - initial MPI version
* v2_21 - Tanguay M. - ADJ of HO option
* - ADJ of vertical sponge layer
* v2_31 - Tanguay M. - adapt ADJ to diffusion in gem_run
* v3_03 - Tanguay M. - Adjoint Lam configuration
* v3_30 - Tanguay M. - Adapt TL/AD to Lam_ctebcs_L
* v3_31 - Tanguay M. - Control BC
* v3_31 - Tanguay M. - Introduce time extrapolation
*
*object
* ADJ of dynstep_tl
*
*arguments
* none
*
*implicits
#include "glb_ld.cdk"
#include "lun.cdk"
#include "orh.cdk"
#include "init.cdk"
#include "lctl.cdk"
#include "rstr.cdk"
#include "schm.cdk"
#include "lam.cdk"
#include "v4dg.cdk"
#include "v4dg_bc.cdk"
#include "step.cdk"
*
integer itraj
logical first_L, secon_L
**
* ---------------------------------------------------------------
if (Lun_debug_L) write(Lun_out,1000)
*
* first_L is TRUE for the first timestep
* or the first timestep after digital filter initialisation
*
first_L = (Lctl_step.eq.1).or.(Rstri_idon_L .and.
$ Lctl_step.eq.(Init_dfnp+1)/2)
*
* secon_L is TRUE for the second timestep
* or the second timestep after digital filter initialisation
*
secon_L = (Lctl_step.eq.2).or.(Rstri_idon_L .and.
$ Lctl_step.eq.(Init_dfnp+1)/2 + 1)
*
* Orh_crank_L is TRUE for a time step using C-N procedure
*
Orh_crank_L= first_L .or. ( secon_L .and. ( Schm_xwvt3 .gt. 0 ))
$ .or. ( mod(Lctl_step-1,Schm_modcn) .eq. 0 )
*
* ----------------
* START TRAJECTORY
* ----------------
Orh_icn = Schm_itcn
if (.not.Orh_crank_L) Orh_icn = 1
*
call tmg_start0 (90, 'BCS_AD' )
* Recover TRAJ NESTING fields at current time step
* ------------------------------------------------
if ( G_lam .and. .not.Lam_ctebcs_L ) then
*
call tmg_start0 (91, 'BC0_AD' )
V4dg_rwnest = 0
call v4d_rwnest ()
call tmg_stop0 (91)
*
endif
call tmg_stop0 (90)
*
* --------------
* END TRAJECTORY
* --------------
*
call tmg_start0 (90, 'BCS_AD' )
if (G_lam) then
*
* Recall TRAJ predictives variables AFTER nesting and blending
* ------------------------------------------------------------
call tmg_start0 (92, 'BC4_AD' )
call v4d_rwtraj (14)
call tmg_stop0 (92)
*
* ADJ of
* Set VMM dependent variables
* ---------------------------
call tmg_start0 (93, 'BC5_AD' )
call v4d_set_vmm_dep_ad
call tmg_stop0 (93)
*
* ADJ of
* Perform Horizontal blending within the Hblen region
* ---------------------------------------------------
call tmg_start0 (94, 'BC3_AD' )
call v4d_nest_blen_ad
call tmg_stop0 (94)
*
* ADJ of
* Impose Lateral BCs within Pil regions
* -------------------------------------
call tmg_start0 (95, 'BC2_AD' )
call v4d_nest_bcs_ad
call tmg_stop0 (95)
*
endif
call tmg_stop0 (90)
*
* ADJ of
* ------------------------------------------------------------
* When the timestep is completed, rename all the
* variables at time level t1 -> t0 and rename all the
* variables at time level t0 -> t1 for the next timestep
* ------------------------------------------------------------
if (Schm_modcn.eq.Step_total) call t02tw_ad( )
call t22t0_ad( )
call t02t1_ad( )
call t12t2_ad( )
*
* ADJ of
* ------------------------------------------------------------
* Perform the timestep
* ------------------------------------------------------------
call tstpdyn_ad( Schm_itraj )
*
* ADJ of
* ------------------------------------------------------------
* Compute 3D winds at time t0-dt/2 (th)
* ------------------------------------------------------------
*
if ( Orh_crank_L ) then
*
* ---------------------------------------
* ADJ of
* DUMMY TIME STEPS AND WIND INTERPOLATION
* ---------------------------------------
*
if (Lun_debug_L) write(Lun_out,1005) Schm_itcn-1
*
do Orh_icn = Schm_itcn-1,1,-1
*
* ADJ of
* Compute the average of the t1 and t0 winds
* ------------------------------------------
call wndth_ad( )
*
* ADJ of
* Perform dummy timestep
* ----------------------
*
itraj = Schm_itraj
if( Orh_icn.eq.1 .and. first_L ) itraj = max( 5, Schm_itraj )
*
call tstpdyn_ad( itraj)
*
end do
if (Lun_debug_L) write(Lun_out,1006)
*
* ADJ of
* First guess for winds and positions at th
* -----------------------------------------
call wdpers_ad( )
*
else
*
* ------------------
* ADJ of
* WIND EXTRAPOLATION
* ------------------
*
* ADJ of
* Perform extrapolation
* ---------------------
call extrwnd_ad( )
*
endif
*
call tmg_start0 (90, 'BCS_AD' )
if ( G_lam .and. .not.Lam_ctebcs_L ) then
*
if (V4dg_bc_variant.eq.0) then
*
* ----------------------------------------
* Zero NESTING fields at current time step
* ----------------------------------------
call v4d_zeronest
*
else
*
call tmg_start0 (96, 'BC1_AD' )
call v4d_bc_2_nest_ad (Lctl_step)
call tmg_stop0 (96)
*
endif
*
endif
call tmg_stop0 (90)
*
if ( first_L) then
call pospers_ad( )
endif
*
* ===================
* END OF ONE TIMESTEP
* ===================
*
1000 format(
+/,'ADJ of CONTROL OF DYNAMICAL STEP: (S/R DYNSTEP_AD)',
+/,'=================================================='/)
1005 format(
$3X,'ADJ of ##### Crank-Nicholson iterations: ===> PERFORMING',I3,
$ ' timestep(s) #####',/)
1006 format(
$/3X,'ADJ of ##### Crank-Nicholson iterations: ===> DONE... #####',/)
*
return
end