From: Optimisation Method for Determination of Crack Tip Position Based on Gauss-Newton Iterative Technique
\(E({\text{MPa}})\)
\({\text{UTS(MPa}})\)
\(\sigma _{s} ({\text{MPa)}}\)
\(\varepsilon _{f} (\% )\)
\(\upsilon\)
210000
≥ 880
780
≥ 10
0.28