Check derivation of nondimensional scales

[baagaard-usgs]

URL(s)

Double-check the derivation of the scales for nondimensionalization.

https://pylith.readthedocs.io/en/latest/user/governingeqns/elasticity/nondimensionalization.html
https://pylith.readthedocs.io/en/latest/user/governingeqns/incompressible-elasticity/nondimensionalization.html
https://pylith.readthedocs.io/en/latest/user/governingeqns/incompressible-elasticity/nondimensionalization.html