Issue 47

R. Fincato et alii, Frattura ed Integrità Strutturale, 47 (2019) 231-246; DOI: 10.3221/IGF-ESIS.47.18 246 Mises  von Mises stress η stress triaxiality  Lode angle  Lode angle parameter (-1 <  < 1) f  equivalent strain at fracture a McCauley’s brackets: 0 if 0; if 0 a a a a a       a b   Heaviside step function:     0 if 0; 1 if 0 a b a b a b a b           A norm of a generic second-order tensor A , :  A A A