Where Does the Welding Residual Stress Intensity Factor Come From? Integrating an A533B Residual Profile into a SIF with BS 7910 Annex M.4.2
In the FAD assessment of the [[bs7910-a533b-residual-stress-fad|four A533B welded-plate problems]], the residual stress intensity factor for the as-welded case, $K_I^S \approx 46\ \mathrm{MPa\cdot m^{0.5}}$, has always been entered directly: FITNET obtained it by integrating the measured residual stress profile, and we simply fed that ready-made number into the vertical coordinate $K_r$. A natural follow-up question: how does that 46 actually emerge from a residual stress curve, and can mechCalc compute it on its own? ...