Comparative Analysis of the Plastic and Out-of-plane Constraint Zones in Cracked Plates

摘要: Abstract In this work, the size and shape of plastic constraint zones are calculated along crack front for cracked plates different thicknesses. The extent both has been compared in order to ascertain under which conditions it is appropriate consider a pure elastic approach analysis instability, such as that based on first second terms Williams series expansion. For sake generality, study dimensional analysis. data have obtained from 3D finite element results. materials LEFM can be applied, concluded zone clearly engulfs (except near free surfaces), even thin whose thickness less than minimum plane strain specified current norms.