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Failure of elasto-plastic porous materials due to void shape effects and void growth

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Academic year: 2021

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Figure 1 – Normalized principal stresses 2 σ 3 e {σ 1 , σ 2 , σ 3 }, as a function of the Lode angle θ or equivalently the Lode parameter L
Figure 2 – (a) Limit load and (b) loss of ellipticity maps as predicted by the SOM model as a function of the stress triaxiality X Σ and the Lode parameter L (or θ)

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