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Cyclic behavior of elasto-plastic porous materials subjected to triaxial loading conditions

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Academic year: 2021

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Fig. 2 – Components of normalised stress 3 σ i /2 σ eq , i = 1, 2, 3 as a function of the Lode angle θ in the case of (a) X Σ = 2/3 and (b) X Σ = 3.
Fig. 3 – Schematic explanation of the application of the cyclic loading and the corresponding qualitative values of (a) the applied displacement u, (b) the applied stress triaxiality X Σ and (c) the applied Lode angle θ as a function of time for one cycle.
Fig. 5 – Qualitative description of the cyclic response of a variable A as a function of the number of cycles Nr.
Fig. 6 – Maximum equivalent Von Mises stress evolution in the case of (a) u/L = 5%, X Σ = 2/3 and (b) u/L = 1%, X Σ = 3 as a function of the number of cycles Nr.
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