Tag
fatigue
4 posts
April 12, 2026
Notes on FE-test correlation that don't fit in a slide
Practical lessons from correlating finite element models with coupon, element, and full-scale test — gauges, boundary conditions, the conservatism multiplier, and the small reference model.
February 3, 2026
Why fatigue is still hard, and that is fine
An essay on the parts of fatigue analysis that resist automation — scatter, history, environment, and the judgement calls no pre-processor will ever ask you about.
October 20, 2025
Spectrum truncation: the assumption nobody writes down
Fatigue spectra get clipped at both ends, and the clipping changes the life. Omission, truncation, load interaction, and why the conservative direction isn't obvious.
March 27, 2025
The Kt questions I keep getting asked
Stress concentration factors, gross versus net, and why the fatigue analyst and the static analyst quote different numbers for the same hole — and both are right.