It was pointed out that numerical simulations of the dynamics of discrete dislocations exhibited chaotic behavior. The effect of this chaos on the predicted overall tensile stress-strain response was small, but its effect upon crack growth resistance was appreciable.

Dislocation Dynamics is Chaotic. V.S.Deshpande, A.Needleman, E.van der Giessen: Scripta Materialia, 2001, 45[9], 1057-53