An explicit integration scheme for finite-deformation plasticity in finite-element methods
type: Item
instance of: scholarly article
title: An explicit integration scheme for finite-deformation plasticity in finite-element methods
zbMATH Open document ID: 0818.73067
DOI: 10.1016/0168-874X(93)90073-Y
author: Yeou-Fong Li
author: Sia Nemat-Nasser
published in: Finite Elements in Analysis and Design
publication date: 1994-08-02T00:00:00Z
review text: An effective algorithm is introduced, which uses the deformed but unrotated configuration to satisfy the objectivity exactly, over the entire time increment. When combined with explicit algorithm, it produces an algorithm with accurate results for both finite strains and finite rotations, while satisfying exactly the objectivity. The algorithm applies to both rate-independent and rate-dependent (with or without a yield surface) \(J_ 2\) elastoplasticity. It accommodates isotropic, kinematic, and combined isotropic and kinematic hardening, including possible noncoaxiality of the plastic strain rate and stress (e.g., for frictional materials), as well as thermal softening.
Mathematics Subject Classification ID: 74S05
Mathematics Subject Classification ID: 74C15
Mathematics Subject Classification ID: 74C20
zbMATH DE Number: 612072
zbMATH Keywords: J(2)-elastoplasticity
zbMATH Keywords: objective stress rates
zbMATH Keywords: explicit algorithm
zbMATH Keywords: combined isotropic and kinematic hardening
zbMATH Keywords: noncoaxiality
zbMATH Keywords: thermal softening
MaRDI profile type: Publication
full work available at URL: 0168-874x(93)90073-y
OpenAlex ID: W1970065916
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description: scientific article; zbMATH DE number 612072