Issue 39

A. Risitano et alii, Frattura ed Integrità Strutturale, 39 (2017) 202-215; DOI: 10.3221/IGF-ESIS.39.20

N OMENCLATURE  strain tensor 

 e elastic strain tensor   p plastic strain tensor  stress tensor  e elastic stress tensor

 v viscoelastic stress tensor  vector of internal variables C  specific heat at 

and  constants

 c,i time constant  e ; external temperature  Helmholtz specific free energy  energy dissipation A vector of the dual forces of  D Eulerian strain rate tensor r e volumetric heat flux R Stress ratio (min stress/max stress)  is the material density.

215