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OGS
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OGS
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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.
No additional info.
1.9.1