bforce

NAME

bforce

SYNOPSIS

          bforce [-b bottom] [-t top] [-x fx] [-y fy]

DEFAULTS

           -x 0.0  -y 0.0 -b y_min -t y_max

DESCRIPTION

bforce specifies the background force acting on a fluid. bforce interpretes the following options.

• -b yb - specifies the background force in x tube whose lower edge is at yb
• -t yt - specifies the background force in x tube whose upper edge is at yt
• -x f_x - specifies the background force in the x direction
• -y f_y - specifies the background force in the y direction

EXAMPLE

          bforce -b 0.0 -t 2.0 -x 500.0

Force the fluid in the x direction from y=0.0 to y=2.0.