Eurocode, worked through
Articles on the calculations behind the software. Each one names the clause it uses and shows the numbers, so you can check them with a pocket calculator.
Concrete
Cross-sections, stiffness and reinforcement to EN 1992-1-1.
What is an M-N-κ diagram, and how do you use it?
Moment, axial force and curvature of a reinforced concrete section: how the diagram is built, which stress-strain curves to use, and a worked example.
How is plate reinforcement calculated from FEM results, including shear?
From membrane forces, moments and shear forces to reinforcement: the truss analogy, the three-layer sandwich model and the method in XFEM4U.
Steel and stability
Frames, members and cross-sections to EN 1993-1-1.
When do steel frames need second-order analysis, and which imperfections apply?
The αcr criterion, sway and bow imperfections, the amplification factor, and what a geometrically non-linear analysis does and does not cover.
How do you check a steel beam by hand to EN 1993-1-1?
Section classification, bending, shear and deflection for a simply supported IPE 300, with every clause and every number.
Calculate it yourself, with every formula in the report
Every check names its clause and shows the values that went in.
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