## 3. Node-local DOF Transformation Tests

These tests check the equivalence of the (old style) node-local (DOF) system definition command LOCAL and the new TRANSFORMATIONS command.

The LOCAL command allows for defining cartesian node local systems only, while TRANSFORMATIONS allows for defining local cylindrical, spherical, and cartesian DOF systems. The tests perform the node-local transformations and compare the result to operations with pure global operations.