A new representation of linear transformation
Defining material coefficients of anisotropic yield function as scalar functions of equivalent plastic strain is usually employed to model subsequent anisotropic behavior of metallic sheet. However, it might be difficult to take into account the influence of strain path change with this method. In this paper, a new representation of linear transformation tensor within the isotropic equivalent plasticity theory [Karafillis, A., Boyce, M., 1993. A general anisotropic yield criterion using bounds and a transformation weighting tensor. J. Mech. Phys. Solids 41, 1859-1886.] is proposed in order to consider the influence of strain path change on subsequent anisotropy. To illustrate the capability of suggested representation, a numerical example about subsequent anisotropy is presented.
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