The Kelly PDF is not for beginners. It is for students who have already passed the introductory course and are frustrated by textbooks that skip derivations. Kelly shows you the mathematical scaffolding.
, differential equations of motion, and two-dimensional elastostatics. University of Auckland 1. Key Thematic Areas
Do not just read the derivation of the von Mises yield criterion—close the PDF and try to derive it yourself on a blank sheet. If you get stuck, glance at the next line, then close it again.
