Grid rectangular.f90 - Calculation of grid

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
```
!Sample program for solving Lid-driven cavity flow test using SIMPLE-algorithm
! calculation of grid modul

!This program is free software; you can redistribute it and/or
!modify it under the terms of the GNU General Public License

!This program 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 this program; if not, write to the Free Software
!Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

!**********************************************************************
Subroutine Grid_rectangular

include 'icomm_1.f90'

x=0.
y=0.

SLx = 1.
SLy = 1.

Xbeg =  0.
Ybeg =  0.

NXmax =  121
NYmax =  121

NXmaxC =  NXmax + 1
NYmaxC =  NYmax + 1

!-------------------------------------------------------------------------------------------
DO 2 I=1, NXmax
DO 2 J=1, NYmax

X(I,J) = Xbeg + (SLx /(NXmax-1))* (i-1)

2     continue

DO 3 J=1, NYmax
DO 3 I=1, NXmax

Y(I,J) = Ybeg + (SLy /(NYmax-1))* (j-1)

3     continue

!----------------------------------------------------------

open (22,file='GRID.dat')

WRITE(22,*)'VARIABLES = "X", "Y" '

WRITE (22,*)' ZONE I=' ,NXmax, ', J=', NYmax, ', F=POINT'

DO 1 J=1, NYmax
DO 1 I=1, NXmax

WRITE (22,*) X(I,J), Y(I,J)

1     continue

open (21,file='GRID.txt')

write(21,*) NYmax,NXmax

DO 4 J=1, NYmax
DO 4 I=1, NXmax

WRITE (21,*) X(I,J), Y(I,J)

4     continue

close(21)

Return
End

```