Discrete approach for modelling quasi-brittle damage: conditions on the set of directions

Renaud Bargellini; Damien Halm; André Dragon

Comptes Rendus. Mécanique, Volume 335 (2007) p. 781-786

On the non-conservativeness of a class of anisotropic damage models with unilateral effects

Noël Challamel; Damien Halm; André Dragon

Comptes Rendus. Mécanique, Volume 334 (2006) p. 414-418