Tension Leveling Using Finite Element Analysis with Different Constitutive Relations

Effects of yield point and plastic anisotropy on results of elastic–plastic finite element analysis of tension leveling

“…For L, M and N, the effects are not significant since those anisotropic parameters are related to shear stresses. It is concluded that plastic anisotropy affects the strain and stress distributions during the FE analysis of tension leveling, especially for the central layer [16]. Figure 5 shows the plastic elongation in the x direction of the central layer after the tension leveling of the strips with different anisotropic parameters, indicating that the different anisotropic parameters F, G…”

“…Hu et al [15] coupled the poly4 and Hosford yield functions under the associated flow rule to evaluate the anisotropic yielding behavior of aluminum alloy sheets during cup drawing to achieve an accurate FE simulation. To clarify the effects of plastic anisotropy on tension leveling, we conducted FE analysis using the Hill48 yield criterion with the associated flow rule and the mixed hardening rule, and the tension leveling results of virtual materials with different anisotropies were evaluated in our previous study [16]. The corresponding constitutive model and parameters are shown in Table 3.…”