review papers on stress singularity identification and characterization, GB Sinclair et al.:
slight perturbations of the theoretical clamped/free limit angle test_singolarita_clamped-free_v2005r3.mud
Figure 2d, p.6 sinclair_ii pdf, κ=2; actually plane strain, $\nu=0.3$, critical angle from eq. (2.19).
steel, 80x80mm square section, 2.5 mm thickness. modeled portion: 40mm in the axial direction, with 1 spot weld whose nominal diameter is 4mm.