Issue 29

N.A. Nodargi et alii, Frattura ed Integrità Strutturale, 29 (2014) 111-127; DOI: 10.3221/IGF-ESIS.29.11 119 Figure 2 : Pointwise mixed stress-strain test. Comparison between analytic and numerical solution for von Mises yield surface. a) u c) 0 0.04 0.08 0.12 0.16 0 0.5 1 1.5 2 2.5 3 3.5 Reaction [kN] Deflection [mm] present reference b) Figure 3 : Stretching of a perforated rectangular plate. (a) Geometry, boundary conditions and finite element mesh; (b) Comparison of reaction-deflection diagram between the proposed algorithm and reference solution [10]; (c) Contour plot of accumulated equivalent plastic strain p ε at load level 15%, 45%, 75%, 100%.