Numerical determination of the forming limit curves of anisotropic sheet metals using GTN damage model

A Kami, BM Dariani, AS Vanini, DS Comsa… - Journal of Materials …, 2015 - Elsevier
In this paper, the Gurson–Tvergaard–Needleman (GTN) damage model is used to
determine the forming limit curve of anisotropic sheet metals. The mechanical behavior of …

[HTML][HTML] Modelling of ductile fracture in single point incremental forming using a modified GTN model

S Gatea, H Ou, B Lu, G McCartney - Engineering Fracture Mechanics, 2017 - Elsevier
Understanding the deformation and failure mechanisms in single point incremental forming
(SPIF) is of great importance for achieving improved formability. Furthermore, there will be …

A novel method to uniquely determine the parameters in Gurson–Tvergaard–Needleman model

T Zhang, K Lu, A Mano, Y Yamaguchi… - Fatigue & Fracture of …, 2021 - Wiley Online Library
Abstract The Gurson–Tvergaard–Needleman (GTN) model is promising in failure prediction
as it takes the micromechanical behavior of ductile metals into consideration. However, its …

Analysis of shear ductile damage in forming processes using a micromechanical model with void shape effects

P Tajdary, L Morin, L Romero-Resendiz… - International Journal of …, 2022 - Elsevier
The aim of this work is to investigate and predict ductile failure in forming processes.
Experimental results of deep drawing and corrugation processing on aluminum alloys …

Numerical prediction of the influence of process parameters and process set-up on damage evolution during deep drawing of rectangular cups

M Müller, IF Weiser, T Herrig, T Bergs - Engineering Proceedings, 2022 - mdpi.com
The manufacturing of three-dimensional components by deep drawing is performed using
flat sheets. The material properties of the sheets are influenced by the deep drawing process …

Anisotropic Gurson‐Tvergaard‐Needleman plasticity and damage model for finite element analysis of elastic‐plastic problems

MM Shahzamanian - International Journal for Numerical …, 2018 - Wiley Online Library
Implementation and analysis of the anisotropic version of the Gurson‐Tvergaard‐
Needleman (GTN) isotropic damage criterion are performed on the basis of Hill's quadratic …

Ductile fracture prediction and forming assessment of AA6061-T6 aluminum alloy sheets

HH Nguyen, TN Nguyen, HC Vu - International Journal of Fracture, 2018 - Springer
In this paper, an extension to a modified Gurson porous ductile material model, namely the
Dung's model, is introduced to investigate ductile fracture processes of AA6061-T6 …

[HTML][HTML] Determination of forming limit diagrams based on ductile damage models and necking criteria

H Chalal, F Abed-Meraim - Latin American Journal of Solids and …, 2017 - SciELO Brasil
In this paper, forming limit diagrams (FLDs) for an aluminum alloy are predicted through
numerical simulations using various localized necking criteria. A comparative study is …

Identification strategy influence of elastoplastic behavior law parameters on Gurson–Tvergaard–Needleman damage parameters: Application to DP980 steel

M Djouabi, A Ati, PY Manach - International Journal of …, 2019 - journals.sagepub.com
This work adopts elastic–plastic/damage coupling in order to describe tensile behavior with
validation on the deep-drawing test of a DP980 Dual Phase steel sheet. The damage model …

[PDF][PDF] GTN 细观损伤模型的发展与应用综述

陈鑫, 杨立飞, 于雪, 龚颖颖 - 机械工程学报, 2024 - qikan.cmes.org
细观损伤力学分析广泛应用于韧性金属损伤, 断裂, 成形极限预测等领域. Gurson-Tvergaard-
Needleman (GTN) 损伤模型是细观损伤力学领域最为重要的经典模型之一 …