Powerful calibration strategy for the two-layer viscoplastic model

An efficient numerical integration scheme is proposed for the uniaxial loading of two-layer viscoplastic (TLVP) model, which a built-in material model in commercial finite element software Abaqus. The particular version TLVP under investigation governed by linear isotropic plastic hardening rule with time-hardening nonlinear creep law. new can be easily implemented any programming environment leading to fast and robust tool obtain stress response given input strain history. accuracy algorithm demonstrated validated comparing results obtained it those calculated A calibration graphical user interface developed, fit parameters experimental data arbitrary history case. freely available download from webpage authors, free use research purposes. excellent performance program fitting three distinct sets.