#include "cppdefs.h"
MODULE omega_mod
#ifdef SOLVE3D
!
!svn $Id: omega.F 889 2018-02-10 03:32:52Z arango $
!=======================================================================
! Copyright (c) 2002-2019 The ROMS/TOMS Group !
! Licensed under a MIT/X style license !
! See License_ROMS.txt Hernan G. Arango !
!========================================== Alexander F. Shchepetkin ===
! !
! This routine computes S-coordinate vertical velocity (m^3/s), !
! !
! W=[Hz/(m*n)]*omega, !
! !
! diagnostically at horizontal RHO-points and vertical W-points. !
! !
!=======================================================================
!
implicit none
!
PRIVATE
PUBLIC :: omega, scale_omega
!
CONTAINS
!
!***********************************************************************
SUBROUTINE omega (ng, tile, model)
!***********************************************************************
!
USE mod_param
USE mod_grid
USE mod_ocean
# if defined SEDIMENT && defined SED_MORPH
USE mod_sedbed
USE mod_stepping
# endif
!
! Imported variable declarations.
!
integer, intent(in) :: ng, tile, model
!
! Local variable declarations.
!
# include "tile.h"
!
# ifdef PROFILE
CALL wclock_on (ng, model, 13, __LINE__, __FILE__)
# endif
CALL omega_tile (ng, tile, model, &
& LBi, UBi, LBj, UBj, &
& IminS, ImaxS, JminS, JmaxS, &
# if defined SEDIMENT && defined SED_MORPH
& nstp(ng), nnew(ng), &
& GRID(ng) % omn, &
& SEDBED(ng) % bed_thick, &
# endif
& GRID(ng) % Huon, &
& GRID(ng) % Hvom, &
& GRID(ng) % z_w, &
# if defined WEC_VF
& OCEAN(ng) % W_stokes, &
# endif
& OCEAN(ng) % W)
# ifdef PROFILE
CALL wclock_off (ng, model, 13, __LINE__, __FILE__)
# endif
RETURN
END SUBROUTINE omega
!
!***********************************************************************
SUBROUTINE omega_tile (ng, tile, model, &
& LBi, UBi, LBj, UBj, &
& IminS, ImaxS, JminS, JmaxS, &
# if defined SEDIMENT && defined SED_MORPH
& nstp, nnew, &
& omn, bed_thick, &
# endif
& Huon, Hvom, &
& z_w, &
# if defined WEC_VF
& W_stokes, &
# endif
& W)
!***********************************************************************
!
USE mod_param
USE mod_scalars
USE mod_sources
!
USE bc_3d_mod, ONLY : bc_w3d_tile
# ifdef DISTRIBUTE
USE mp_exchange_mod, ONLY : mp_exchange3d
# endif
!
! Imported variable declarations.
!
integer, intent(in) :: ng, tile, model
integer, intent(in) :: LBi, UBi, LBj, UBj
integer, intent(in) :: IminS, ImaxS, JminS, JmaxS
# if defined SEDIMENT && defined SED_MORPH
integer, intent(in) :: nstp, nnew
# endif
!
# ifdef ASSUMED_SHAPE
# if defined SEDIMENT && defined SED_MORPH
real(r8), intent(in) :: omn(LBi:,LBj:)
real(r8), intent(in):: bed_thick(LBi:,LBj:,:)
# endif
real(r8), intent(in) :: Huon(LBi:,LBj:,:)
real(r8), intent(in) :: Hvom(LBi:,LBj:,:)
real(r8), intent(in) :: z_w(LBi:,LBj:,0:)
# if defined WEC_VF
real(r8), intent(in) :: W_stokes(LBi:,LBj:,0:)
# endif
real(r8), intent(out) :: W(LBi:,LBj:,0:)
# else
# if defined SEDIMENT && defined SED_MORPH
real(r8), intent(in) :: omn(LBi:UBi,LBj:UBj)
real(r8), intent(in):: bed_thick(LBi:UBi,LBj:UBj,2)
# endif
real(r8), intent(in) :: Huon(LBi:UBi,LBj:UBj,N(ng))
real(r8), intent(in) :: Hvom(LBi:UBi,LBj:UBj,N(ng))
real(r8), intent(in) :: z_w(LBi:UBi,LBj:UBj,0:N(ng))
# if defined WEC_VF
real(r8), intent(in) :: W_stokes(LBi:UBi,LBj:UBj,0:N(ng))
# endif
real(r8), intent(out) :: W(LBi:UBi,LBj:UBj,0:N(ng))
# endif
!
! Local variable declarations.
!
integer :: i, ii, is, j, jj, k
# if defined SEDIMENT && defined SED_MORPH
real(r8) :: cff1
# endif
real(r8), dimension(IminS:ImaxS) :: wrk
# include "set_bounds.h"
!
!------------------------------------------------------------------------
! Vertically integrate horizontal mass flux divergence.
!------------------------------------------------------------------------
!
! Starting with zero vertical velocity at the bottom, integrate
! from the bottom (k=0) to the free-surface (k=N). The w(:,:,N(ng))
! contains the vertical velocity at the free-surface, d(zeta)/d(t).
! Notice that barotropic mass flux divergence is not used directly.
!
# if defined SEDIMENT && defined SED_MORPH
cff1=1.0_r8/dt(ng)
# endif
DO j=Jstr,Jend
DO i=Istr,Iend
# if defined SEDIMENT && defined SED_MORPH
W(i,j,0)=-cff1*(bed_thick(i,j,nstp)- &
& bed_thick(i,j,nnew))*omn(i,j)
# else
W(i,j,0)=0.0_r8
# endif
END DO
DO k=1,N(ng)
DO i=Istr,Iend
W(i,j,k)=W(i,j,k-1)- &
& (Huon(i+1,j,k)-Huon(i,j,k)+ &
& Hvom(i,j+1,k)-Hvom(i,j,k))
END DO
END DO
!
! Apply mass point sources (volume vertical influx), if any.
!
IF (LwSrc(ng)) THEN
DO is=1,Nsrc(ng)
ii=SOURCES(ng)%Isrc(is)
jj=SOURCES(ng)%Jsrc(is)
IF (((IstrR.le.ii).and.(ii.le.IendR)).and. &
& ((JstrR.le.jj).and.(jj.le.JendR)).and. &
& (j.eq.jj)) THEN
DO k=1,N(ng)
W(ii,jj,k)=W(ii,jj,k)+SOURCES(ng)%Qsrc(is,k)
END DO
END IF
END DO
END IF
!
DO i=Istr,Iend
wrk(i)=W(i,j,N(ng))/(z_w(i,j,N(ng))-z_w(i,j,0))
END DO
!
! In order to insure zero vertical velocity at the free-surface,
! subtract the vertical velocities of the moving S-coordinates
! isosurfaces. These isosurfaces are proportional to d(zeta)/d(t).
! The proportionally coefficients are a linear function of the
! S-coordinate with zero value at the bottom (k=0) and unity at
! the free-surface (k=N).
!
DO k=N(ng)-1,1,-1
DO i=Istr,Iend
W(i,j,k)=W(i,j,k)- &
# if defined WEC_VF
& W_stokes(i,j,k)- &
# endif
& wrk(i)*(z_w(i,j,k)-z_w(i,j,0))
END DO
END DO
DO i=Istr,Iend
W(i,j,N(ng))=0.0_r8
END DO
END DO
!
! Set lateral boundary conditions.
!
CALL bc_w3d_tile (ng, tile, &
& LBi, UBi, LBj, UBj, 0, N(ng), &
& W)
# ifdef DISTRIBUTE
CALL mp_exchange3d (ng, tile, model, 1, &
& LBi, UBi, LBj, UBj, 0, N(ng), &
& NghostPoints, &
& EWperiodic(ng), NSperiodic(ng), &
& W)
# endif
RETURN
END SUBROUTINE omega_tile
!
!***********************************************************************
SUBROUTINE scale_omega (ng, tile, LBi, UBi, LBj, UBj, LBk, UBk, &
& pm, pn, W, Wscl)
!***********************************************************************
!
USE mod_param
USE mod_ncparam
USE mod_scalars
!
USE exchange_3d_mod, ONLY : exchange_w3d_tile
# ifdef DISTRIBUTE
USE mp_exchange_mod, ONLY : mp_exchange3d
# endif
!
! Imported variable declarations.
!
integer, intent(in) :: ng, tile
integer, intent(in) :: LBi, UBi, LBj, UBj, LBk, UBk
!
# ifdef ASSUMED_SHAPE
real(r8), intent(in) :: pm(LBi:,LBj:)
real(r8), intent(in) :: pn(LBi:,LBj:)
real(r8), intent(in) :: W(LBi:,LBj:,LBk:)
real(r8), intent(out) :: Wscl(LBi:,LBj:,LBk:)
# else
real(r8), intent(in) :: pm(LBi:UBi,LBj:UBj)
real(r8), intent(in) :: pn(LBi:UBi,LBj:UBj)
real(r8), intent(in) :: W(LBi:UBi,LBj:UBj,LBk:UBk)
real(r8), intent(out) :: Wscl(LBi:UBi,LBj:UBj,LBk:UBk)
# endif
!
! Local variable declarations.
!
integer :: i, j, k
# include "set_bounds.h"
!
!-----------------------------------------------------------------------
! Scale omega vertical velocity to m/s.
!-----------------------------------------------------------------------
!
DO k=LBk,UBk
DO j=JstrR,JendR
DO i=IstrR,IendR
Wscl(i,j,k)=W(i,j,k)*pm(i,j)*pn(i,j)
END DO
END DO
END DO
!
! Exchange boundary data.
!
IF (EWperiodic(ng).or.NSperiodic(ng)) THEN
CALL exchange_w3d_tile (ng, tile, &
& LBi, UBi, LBj, UBj, LBk, UBk, &
& Wscl)
END IF
# ifdef DISTRIBUTE
CALL mp_exchange3d (ng, tile, iNLM, 1, &
& LBi, UBi, LBj, UBj, 0, N(ng), &
& NghostPoints, &
& EWperiodic(ng), NSperiodic(ng), &
& Wscl)
# endif
RETURN
END SUBROUTINE scale_omega
#endif
END MODULE omega_mod