What this site is

The subject is one move and its consequences. Cut a continuous body into elements, write the physics on each one, assemble a single enormous sparse system, and solve it. The method came out of aircraft structures in the 1950s — Turner, Clough, Martin and Topp in 1956, with Argyris working in parallel and Zienkiewicz later making it a discipline — and almost everything difficult afterwards follows from that first cut.

The site is organised in four sections. Cut it into pieces covers discretisation and what it costs. Nobody’s favourite job is about meshing, where practitioners actually spend their time. Direct against iterative covers solvers, size and conditioning, and the turbulence bargain. Solved right, or the right equations is verification and validation — two different questions that are routinely confused.

Fifteen pages in total, listed in full on one page. They explain what a method does and where it fails; they are not tutorials, and they carry no input decks, settings or recipes.