Open Boundary
The
Open Boundary
node sets a normal flow condition for the fluid. The level of
ϕ
is set to a constant value along the boundary, so that the tangential derivative of
ϕ
is zero
.
Open boundary
The potential level is set by specifying the
Velocity potential
ϕ
bnd
.
Constraint Settings
This section is displayed by clicking the
Show
button (
) and selecting
Advanced Physics Options
.