&HEAD CHID='geom_drag'/

&MESH XB=0,1,0,1,0,1,IJK=20,20,20/
&MESH XB=2,3,0,1,0,1,IJK=20,20,20/

&TIME T_END=400/

&PRES VELOCITY_TOLERANCE=0.000001,MAX_PRESSURE_ITERATIONS=100./

&RADI RADIATION=.FALSE./

&OBST XB=0.4,0.6,0.4,0.6,0.4,0.6/

&GEOM ID='BLOCK',
VERTS=
2.4,0.4,0.4,
2.4,0.4,0.6,
2.6,0.4,0.4,
2.6,0.4,0.6,
2.4,0.6,0.4,
2.4,0.6,0.6,
2.6,0.6,0.4,
2.6,0.6,0.6,
FACES=
4,1,3,0,
4,2,1,0,
4,6,2,0,
4,8,6,0,
8,3,7,0,
8,4,3,0,
1,7,3,0,
1,5,7,0,
1,2,5,0,
2,6,5,0,
5,6,8,0,
5,8,7,0
/

&SURF ID='IN',VEL=-1,COLOR='ORANGE'/

&VENT MB='XMIN',SURF_ID='IN'/
&VENT MB='YMIN',SURF_ID='OPEN'/
&VENT MB='ZMIN',SURF_ID='OPEN'/
&VENT MB='XMAX',SURF_ID='OPEN'/
&VENT MB='YMAX',SURF_ID='OPEN'/
&VENT MB='ZMAX',SURF_ID='OPEN'/

&DEVC XB=0.025,0.975,0.5,0.5,0.7,0.7,QUANTITY='VELOCITY',POINTS=20,ID='OBST'/
&DEVC XB=2.025,2.975,0.5,0.5,0.7,0.7,QUANTITY='VELOCITY',POINTS=20,ID='GEOM'/

&SLCF QUANTITY='VELOCITY',PBY=0.5/