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jcdfi.F
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SUBROUTINE jcdfi_init_coef
USE module_domain, ONLY : domain, head_grid
USE module_utility
IMPLICIT NONE
INTEGER :: nstep2, rundfi, rc, i
TYPE(WRFU_TimeInterval) :: run_interval
REAL :: timestep
INTERFACE
SUBROUTINE optfil_driver(grid)
USE module_domain, ONLY : domain
TYPE (domain), POINTER :: grid
END SUBROUTINE optfil_driver
END INTERFACE
head_grid%itimestep=0
CALL optfil_driver(head_grid)
timestep=abs(head_grid%dt)
run_interval = head_grid%stop_subtime - head_grid%start_subtime
CALL WRFU_TimeIntervalGet( run_interval, S=rundfi, rc=rc )
rundfi = abs(rundfi)
nstep2= ceiling((1.0 + real(rundfi)/timestep) / 2.0)
IF ( MOD(int(1.0 + real(rundfi)/timestep),2) /= 0 ) THEN
DO i=1,2*nstep2-1
head_grid%hcoeff(i) = -1.0 * head_grid%hcoeff(i)
END DO
ELSE
DO i=1,2*nstep2
head_grid%hcoeff(i) = -1.0 * head_grid%hcoeff(i)
END DO
END IF
head_grid%hcoeff(nstep2) = 1.0 + head_grid%hcoeff(nstep2)
END SUBROUTINE jcdfi_init_coef
SUBROUTINE jcdfi_zero_forcing ( grid )
USE module_domain, ONLY : domain
IMPLICIT NONE
! Input data.
TYPE(domain) , INTENT(INOUT) :: grid
grid%itimestep = 0
grid%jcdfi_u = 0.0
grid%jcdfi_v = 0.0
grid%jcdfi_t = 0.0
grid%jcdfi_p = 0.0
END SUBROUTINE jcdfi_zero_forcing
SUBROUTINE jcdfi_tl (grid)
USE module_domain, ONLY : domain
IMPLICIT NONE
! Input data.
TYPE(domain) , INTENT(INOUT) :: grid
REAL :: hn
hn = grid%hcoeff(grid%itimestep+1)
grid%jcdfi_u = grid%jcdfi_u + hn * grid%g_u_2
grid%jcdfi_v = grid%jcdfi_v + hn * grid%g_v_2
grid%jcdfi_t = grid%jcdfi_t + hn * grid%g_t_2
grid%jcdfi_p = grid%jcdfi_p + hn * grid%g_p
END SUBROUTINE jcdfi_tl
SUBROUTINE jcdfi_add_forcing ( grid )
USE module_domain, ONLY : domain
IMPLICIT NONE
TYPE ( domain ) , INTENT(INOUT) :: grid
REAL :: hn
hn = grid%hcoeff(grid%itimestep+1)
grid%a_u_2 = grid%a_u_2 + hn * grid%jcdfi_u
grid%a_v_2 = grid%a_v_2 + hn * grid%jcdfi_v
grid%a_t_2 = grid%a_t_2 + hn * grid%jcdfi_t
grid%a_p = grid%a_p + hn * grid%jcdfi_p
END SUBROUTINE jcdfi_add_forcing