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What is Tangent Moduli in Viscoplasticity Models about?

This document presents the derivation of consistent tangent moduli for the generalized Duvaut-Lions viscoplasticity model, using consistent linearization of residual functions from two stable integration algorithms. The work highlights the necessity of consistent tangent moduli in Newton-type finite-element computations due to the absence of continuum tangent moduli in viscoplasticity. Numerical examples demonstrate the effectiveness of the proposed moduli in achieving quadratic convergence in viscoplastic

Author

abhishek.asecu

Language

EN