OGS
[case] NormalTraction

The normal traction boundary condition is a special type of Neumann boundary condition where the given value is applied in the direction of the element's normal vector $$\mathbf{n}$$:

$\bar{t} := \sigma \mathbf{n} = p \mathbf{n},$

where $$p$$ is the value on the boundary given by the parameter tag.

# Additional info

No additional info.