Kindly explain how VPSC8 carried out texture simulations? Does it uses similar Finite Element approach as is used in CPFEM UMAT in ABAQUS and PRISMS Plasticity or it carried out something else? Also is the RVE used in VPSC8 code is 2D or 3D?
Hi, this is an entirely different approach. VPSC belongs to a class of self-consistent models. Each grain is treated as an ellipsoidal inhomogeneity (in order to use Eshelby solution for inclusion). The model does not account for the interaction of individual grains with their neighbours. Rather, there is an interaction of each grain with the entire polycrystal. Also, the model assumes the deformation of the grain is uniform. The basic reference for VPSC is:
Article A self-consistent anisotropic approach for the simulation of...
The VPSC model also neglects the elastic strain. We have recently developed similar model where the elastic strain is included:
Article Cyclic response of electrodeposited copper films. Experiment...
Put simply: In VPSC multiply grains are considered to live in one integration point, i.e. grains are not meshed explicitly, but their effect is only accounted for in terms of (homogenization) equations. VPSC is more suitable for larger scales in terms of calculation resource efficiency.
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