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Localized necking predictions based on rate-independent self-consistent polycrystal plasticity: Bifurcation analysis versus imperfection approach

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Figure

Fig. 1. Graphical illustration of the multiplicative decomposition of the total deformation gradient.
Fig. 2. Metal sheet subjected to plane stress state.
Fig. 3. Illustration of the localization bifurcation phenomenon in a thin sheet metal.
Fig. 4. Illustration of the initial imperfection analysis: (a) Initial configuration of the sheet; (b) Current configuration of the sheet.
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