!> @file advec_v_pw.f90 !--------------------------------------------------------------------------------------------------! ! This file is part of the PALM model system. ! ! PALM is free software: you can redistribute it and/or modify it under the terms of the GNU General ! Public License as published by the Free Software Foundation, either version 3 of the License, or ! (at your option) any later version. ! ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the ! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General ! Public License for more details. ! ! You should have received a copy of the GNU General Public License along with PALM. If not, see ! . ! ! Copyright 1997-2020 Leibniz Universitaet Hannover !--------------------------------------------------------------------------------------------------! ! ! Current revisions: ! ----------------- ! ! ! Former revisions: ! ----------------- ! $Id: advec_v_pw.f90 4488 2020-04-03 11:34:29Z raasch $ ! file re-formatted to follow the PALM coding standard ! ! 4360 2020-01-07 11:25:50Z suehring ! Corrected "Former revisions" section ! ! 3655 2019-01-07 16:51:22Z knoop ! variables documented ! ! Revision 1.1 1997/08/11 06:09:57 raasch ! Initial revision ! ! ! Description: ! ------------ !> Advection term for v velocity-component using Piacsek and Williams. !> Vertical advection at the first grid point above the surface is done with normal centred !> differences, because otherwise no information from the surface would be communicated upwards due !> to w=0 at K=nzb. !--------------------------------------------------------------------------------------------------! MODULE advec_v_pw_mod PRIVATE PUBLIC advec_v_pw INTERFACE advec_v_pw MODULE PROCEDURE advec_v_pw MODULE PROCEDURE advec_v_pw_ij END INTERFACE advec_v_pw CONTAINS !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ !> Call for all grid points !--------------------------------------------------------------------------------------------------! SUBROUTINE advec_v_pw USE arrays_3d, & ONLY: ddzw, tend, u, v, w USE control_parameters, & ONLY: u_gtrans, v_gtrans USE grid_variables, & ONLY: ddx, ddy USE indices, & ONLY: nxl, nxr, nyn, nysv, nzb, nzt USE kinds IMPLICIT NONE INTEGER(iwp) :: i !< grid index along x-direction INTEGER(iwp) :: j !< grid index along y-direction INTEGER(iwp) :: k !< grid index along z-direction REAL(wp) :: gu !< Galilei-transformation velocity along x REAL(wp) :: gv !< Galilei-transformation velocity along y gu = 2.0_wp * u_gtrans gv = 2.0_wp * v_gtrans DO i = nxl, nxr DO j = nysv, nyn DO k = nzb+1, nzt tend(k,j,i) = tend(k,j,i) - 0.25_wp * ( & ( v(k,j,i+1) * ( u(k,j-1,i+1) + u(k,j,i+1) - gu ) & - v(k,j,i-1) * ( u(k,j-1,i) + u(k,j,i) - gu ) ) * ddx & + ( v(k,j+1,i) * ( v(k,j+1,i) + v(k,j,i) - gv ) & - v(k,j-1,i) * ( v(k,j,i) + v(k,j-1,i) - gv ) ) * ddy & + ( v(k+1,j,i) * ( w(k,j-1,i) + w(k,j,i) ) & - v(k-1,j,i) * ( w(k-1,j-1,i) + w(k-1,j,i) ) ) * ddzw(k) & ) ENDDO ENDDO ENDDO END SUBROUTINE advec_v_pw !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ !> Call for grid point i,j !--------------------------------------------------------------------------------------------------! SUBROUTINE advec_v_pw_ij( i, j ) USE arrays_3d, & ONLY: ddzw, tend, u, v, w USE control_parameters, & ONLY: u_gtrans, v_gtrans USE grid_variables, & ONLY: ddx, ddy USE indices, & ONLY: nzb, nzt USE kinds IMPLICIT NONE INTEGER(iwp) :: i !< grid index along x-direction INTEGER(iwp) :: j !< grid index along y-direction INTEGER(iwp) :: k !< grid index along z-direction REAL(wp) :: gu !< Galilei-transformation velocity along x REAL(wp) :: gv !< Galilei-transformation velocity along y gu = 2.0_wp * u_gtrans gv = 2.0_wp * v_gtrans DO k = nzb+1, nzt tend(k,j,i) = tend(k,j,i) - 0.25_wp * ( & ( v(k,j,i+1) * ( u(k,j-1,i+1) + u(k,j,i+1) - gu ) & - v(k,j,i-1) * ( u(k,j-1,i) + u(k,j,i) - gu ) ) * ddx & + ( v(k,j+1,i) * ( v(k,j+1,i) + v(k,j,i) - gv ) & - v(k,j-1,i) * ( v(k,j,i) + v(k,j-1,i) - gv ) ) * ddy & + ( v(k+1,j,i) * ( w(k,j-1,i) + w(k,j,i) ) & - v(k-1,j,i) * ( w(k-1,j-1,i) + w(k-1,j,i) ) ) * ddzw(k) & ) ENDDO END SUBROUTINE advec_v_pw_ij END MODULE advec_v_pw_mod