Toward robust scalar-based gradient plasticity modeling and simulation at finite deformations

M Abatour, S Forest, K Ammar, C Ovalle, N Osipov… - Acta Mechanica, 2023 - Springer
Strain gradient plasticity has been the subject of extensive research in the past 40 years in
order to model size effects in metal plasticity, on the one hand, and provide finite width shear …

Variational phase-field formulation of non-linear ductile fracture

M Dittmann, F Aldakheel, J Schulte, P Wriggers… - Computer Methods in …, 2018 - Elsevier
Variationally consistent phase-field methods have been well established in the recent
decade. A wide range of applications to brittle and ductile fracture problems could already …

A strategy for synthetic microstructure generation and crystal plasticity parameter calibration of fine-grain-structured dual-phase steel

W Liu, J Lian, N Aravas, S Münstermann - International Journal of Plasticity, 2020 - Elsevier
This study aims to establish a strategy for bridging the microstructure and mechanical
properties of fine-grain-structured dual-phase steel. A complete workflow is built up …

A review on strain gradient plasticity approaches in simulation of manufacturing processes

R Russo, FA Girot Mata, S Forest… - Journal of Manufacturing …, 2020 - mdpi.com
Predicting the performances of a manufactured part is extremely important, especially for
industries in which there is almost no room for uncertainties, such as aeronautical or …

A gradient plasticity grain boundary yield theory

S Wulfinghoff, E Bayerschen, T Böhlke - International Journal of Plasticity, 2013 - Elsevier
A strain gradient crystal plasticity theory is presented that accounts for the resistance of grain
boundaries against plastic flow based on an interface yield condition. This theory …

Strain gradient plasticity modeling and finite element simulation of Lüders band formation and propagation

M Mazière, S Forest - Continuum Mechanics and Thermodynamics, 2015 - Springer
An analytical solution of the problem of the propagation of a Lüders band in an isotropic
strain gradient plasticity medium is provided based on a softening–hardening constitutive …

Strain gradient plasticity modeling of the cyclic behavior of laminate microstructures

S Wulfinghoff, S Forest, T Böhlke - Journal of the Mechanics and Physics of …, 2015 - Elsevier
Two recently proposed Helmholtz free energy potentials including the full dislocation density
tensor as an argument within the framework of strain gradient plasticity are used to predict …

Model order reduction of nonlinear homogenization problems using a Hashin–Shtrikman type finite element method

S Wulfinghoff, F Cavaliere, S Reese - Computer Methods in Applied …, 2018 - Elsevier
This work presents a computational nonlinear homogenization approach, the starting point
of which is a model order reduction method based on data-clustering. To this end, the …

[HTML][HTML] A damage growth criterion for anisotropic damage models motivated from micromechanics

S Wulfinghoff, M Fassin, S Reese - International Journal of Solids and …, 2017 - Elsevier
The field of continuum damage mechanics addresses mathematical models for the
degradation of the mechanical properties of engineering materials, in particular for softening …

[HTML][HTML] A reduced micromorphic single crystal plasticity model at finite deformations. Application to strain localization and void growth in ductile metals

C Ling, S Forest, J Besson, B Tanguy… - International Journal of …, 2018 - Elsevier
A micromorphic single crystal plasticity model is formulated at finite deformations as an
extension of Mandel's classical theory based on a multiplicative decomposition of the …