Normal Stress
Use the
Normal Stress
node to define the inward normal stress
σ
n
on the boundary. Add this node from the
Mechanical
submenu. The condition reads
where
σ
n
is a scalar corresponding to a pressure (sometimes referred to as the hydrostatic stress).
Normal Stress
Enter a value or expression for the
Inward normal stress
σ
n
(SI unit: N/m
2
).