8.1 2D-Beams

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See Fig. 1 for the coordinate system and nodal degrees of freedom (ndof) for 2D-beams.

\includegraphics[scale=0.70]{Figures/CoordinateSystem2Dbeams}
Figure 1: Coordinate system for 2D-beams


Note: the current index 6 for rotation around the $y$-axis is not quite consistent in the indexing systematic, it should be 5. This inconsistency is due to historical reasons and will be fixed at the next opportunity.

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