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Dynamic analysis of J' 2 solids typically involves a huge number of degrees of freedom. Therefore, use of low cost elements such as linear triangles and tetrahedrals, is almost a requisite. However, the accuracy of these elements greatly deteriorates due to the incompressible behaviour of the material encountered in this type of problems. Besides, using mixed velocity-pressure formulations...
Damage localization induced by strain softening can be predicted by the direct minimization of a global energy function [Baker G, Hunt GW. In: Bazant ZP, et al., editors. Damage of Quasi-brittle Structures. London: E and FN Spon, 1994. p. 387-94; Hunt GW, Baker G. J Mech Phys Solids 1995;43(7):1127-50]. This article concerns the computational strategy for implementing this principle for softening...
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