We're working hard to write our manual, but aren't done with this section yet. This is a summary of the theory with the relevant references.
Just drop us an email at email@example.com if there's anything you're wondering about.
2.4.1 Catenary lines
2.4.2 FEM code
184.108.40.206 Time domain simulation
220.127.116.11.1 Linear analysis
18.104.22.168.2.1 How to use Rayleigh damping
22.214.171.124.3 Stresses and responses