J. Florezlopez et al., A 2-FIELD FINITE-ELEMENT FORMULATION FOR ELASTICITY COUPLED TO DAMAGE, Computer methods in applied mechanics and engineering, 114(3-4), 1994, pp. 193-212
A two-field variational formulation is proposed for continuum damage m
echanics problems. This formulation is applied to the numerical soluti
on, via the finite element method, of initial boundary value problems
arising in elasticity coupled to damage; the nodal variables are the d
isplacement and damage fields. Simple examples are presented to demons
trate the advantages and limitations of this formulation.