Experimental characterization and modeling of complex anisotropic hardening in quenching and partitioning (Q&P) steel subject to biaxial non-proportional loadings
Quenching and partitioning (Q&P) steels, as one of the third-generation advanced high
strength steels, exhibit complex anisotropic hardening behavior under biaxial non …
strength steels, exhibit complex anisotropic hardening behavior under biaxial non …
An implicit stress update algorithm for the plastic nonlocal damage model of concrete
The numerical implementation of advanced plastic damage models has been challenging
due to the diverse computational difficulties caused by material nonlinearity. In this study …
due to the diverse computational difficulties caused by material nonlinearity. In this study …
An open-source unconstrained stress updating algorithm for the modified Cam-clay model
This paper presents an unconstrained stress updating algorithm for a critical state plastic
model of clay soil, where the loading/unloading estimations and the consideration of the …
model of clay soil, where the loading/unloading estimations and the consideration of the …
A return mapping algorithm based on the hyper dual step derivative approximation for elastoplastic models
Accurately evaluating derivatives poses a key challenge when numerically implementing
complex constitutive models. This work presents an implicit stress update algorithm that …
complex constitutive models. This work presents an implicit stress update algorithm that …
Multi-scale numerical investigation of deep drawing of 6K21 aluminum alloy by crystal plasticity and a stress-invariant based anisotropic yield function under non …
In this research, the earing characteristics of 6K21 aluminum alloy in circular cup deep
drawing are investigated by virtue of experiments and multi-scale simulations including …
drawing are investigated by virtue of experiments and multi-scale simulations including …
Evaluation of loading-path-dependent constitutive models for springback prediction in martensitic steel forming
In this study, the performance of conventional and advanced constitutive models to the
prediction of springback for ultra-high strength steel was assessed. The elasto-plastic …
prediction of springback for ultra-high strength steel was assessed. The elasto-plastic …
Finite element implementation of hydrostatic pressure-sensitive plasticity and its application to distortional hardening model and sheet metal forming simulations
In this work, the hydrostatic pressure-dependency of the distortional plasticity model HAH 20
was implemented using a finite element (FE) code to account for the strength-differential …
was implemented using a finite element (FE) code to account for the strength-differential …
A comparative study between elasto-plastic self-consistent crystal plasticity and anisotropic yield function with distortional hardening formulations for sheet metal …
A comparative study between micro-and macro-mechanical constitutive models is carried
out while predicting deformation behavior of an aluminum alloy (AA) 6022-T4 during several …
out while predicting deformation behavior of an aluminum alloy (AA) 6022-T4 during several …
A new concept for continuum distortional plasticity
This paper presents hexah, a framework based on the homogeneous anisotropic hardening
(HAH) model. It aims at recreating the effects of arbitrary strain path changes over the plastic …
(HAH) model. It aims at recreating the effects of arbitrary strain path changes over the plastic …
A robust stress update algorithm for elastoplastic models without analytical derivation of the consistent tangent operator and loading/unloading estimation
A robust and concise implicit stress integration algorithm of elastoplastic models is
presented. It does not require the loading/unloading estimation and analytical derivation …
presented. It does not require the loading/unloading estimation and analytical derivation …