The effect of material orientation on void growth

N Hosseini, JC Nieto-Fuentes… - International Journal of …, 2022 - Elsevier
In this work, we have brought to light the effect of material orientation on void growth. For that
purpose, we have performed finite element calculations using a cubic unit-cell model with a …

[HTML][HTML] Calibration of the modified Mohr-Coulomb fracture model by use of localization analyses for three tempers of an AA6016 aluminium alloy

H Granum, D Morin, T Børvik, OS Hopperstad - International Journal of …, 2021 - Elsevier
This paper presents a novel calibration procedure of the modified Mohr-Coulomb (MMC)
fracture model by use of localization analyses and applies it for three tempers of an AA6016 …

[HTML][HTML] A gradient-based non-local GTN model: explicit finite element simulation of ductile damage and fracture

V Espeseth, D Morin, T Børvik… - Engineering Fracture …, 2023 - Elsevier
Non-local models have over the years been established as an effective approach to solve
the pathological mesh dependency problem observed in finite element simulation of strain …

Unit cell calculations under fully characterized stress states

C Tekoglu, B Koçhan - International Journal of Plasticity, 2022 - Elsevier
The available numerical methods for performing finite element unit cell calculations under
stress states evolving in a predefined manner restrict the most general stress state to a …

[HTML][HTML] Ductile failure predictions using micromechanically-based computational models

LEB Dæhli, C Tekoğlu, D Morin, T Børvik… - Journal of the …, 2022 - Elsevier
Three different micromechanically-based computational models for fracture in porous ductile
solids are compared and assessed. Model A is a unit cell model of a porous ductile solid …

Ductile tearing of aluminium plates: experiments and modelling

V Espeseth, D Morin, C Tekoğlu, T Børvik… - International Journal of …, 2023 - Springer
This paper presents an experimental and numerical study on quasi-static ductile tearing of
thin plates of the aluminium alloy AA6016 in three tempers. Depending on the temper, the …

A Lode-dependent Gurson model motivated by unit cell analyses

LE Dæhli, D Morin, T Børvik, OS Hopperstad - Engineering Fracture …, 2018 - Elsevier
In this study, the effects of including a dependency on the third deviatoric stress invariant in
the void evolution equation of the Gurson model are examined using unit cell calculations …

Ductile fracture of an ultra-high strength steel under low to moderate stress triaxiality

C Defaisse, M Mazière, L Marcin, J Besson - Engineering Fracture …, 2018 - Elsevier
Aeronautical structures such as landing gears, wheels or turbine shaft are designed to
withstand predefined loadings corresponding to critical scenarios. This work addresses the …

[HTML][HTML] Testing and simulation of additively manufactured AlSi10Mg components under quasi-static loading

M Costas, D Morin, M de Lucio, M Langseth - European Journal of …, 2020 - Elsevier
An experimental and numerical study on the quasi-static loading of AlSi10Mg square boxes
produced by selective laser melting (SLM) was carried out. The goal was to evaluate the …

[HTML][HTML] On the effect of plastic anisotropy, strength and work hardening on the tensile ductility of aluminium alloys

BH Frodal, D Morin, T Børvik, OS Hopperstad - International Journal of …, 2020 - Elsevier
The influence of plastic anisotropy, yield strength and work hardening on ductile failure is
studied by nonlinear finite element simulations and strain localization analyses of tensile …