Nilsson (1997) addressed the analytical solution of an elastic plastic softening bar in extension within the framework of nonlocal plasticity, making use to this purpose of a theory of nonlocal plasticity preliminary devised in the same paper (Section 2). The results there presented - from the thermodynamic arguments supporting the devised theory, to the bar solution - are quite interesting. The writers, involved in the same research area, wish to discuss a few points of the paper in a fully collaborative spirit. We use the same notation as in Nilsson's paper.
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