Effect of constitutive model on springback prediction of MP980 and AA6022-T4

J Lin, Y Hou, J Min, H Tang, JE Carsley… - International Journal of …, 2020 - Springer
Springback simulation of stamped sheet metal components using finite element method
depends on the accuracy of appropriate material models and consideration of appropriate …

Strength modeling of sheet metals from shear to plane strain tension

Y Lou, S Zhang, JW Yoon - International Journal of Plasticity, 2020 - Elsevier
This paper proposes a yield function to model sheet metal strength between shear and
plane strain tension. The function is expressed as an equation of the three stress invariants …

Experimental and theoretical formability analysis using strain and stress based forming limit diagram for advanced high strength steels

S Panich, F Barlat, V Uthaisangsuk, S Suranuntchai… - Materials & Design, 2013 - Elsevier
In this study, experimental and numerical analyses of Forming Limit Diagram (FLD) and
Forming Limit Stress Diagram (FLSD) for two Advanced High Strength Steel (AHSS) sheets …

The sustainability of neural network applications within finite element analysis in sheet metal forming: A review

MR Jamli, NM Farid - Measurement, 2019 - Elsevier
The prediction of springback in sheet metal is vital to ensure economical metal forming. The
latest nonlinear recovery in finite element analysis is used to achieve accurate results, but …

[HTML][HTML] Plastic anisotropy and ductile fracture of bake-hardened AA6013 aluminum sheet

J Ha, M Baral, YP Korkolis - International Journal of Solids and Structures, 2018 - Elsevier
The anisotropic plastic flow and ductile fracture of AA6013 aluminum sheet is investigated
under quasistatic conditions. The plasticity of the material is probed through uniaxial tension …

[HTML][HTML] Nonlinear three-dimensional anisotropic material model for failure analysis of timber

H Eslami, LB Jayasinghe, D Waldmann - Engineering Failure Analysis, 2021 - Elsevier
In this paper, a constitutive material model is proposed to model the nonlinear mechanical
response of timber, as elastoplastic orthotropic material under three-dimensional (3D) stress …

Evaluation of loading-path-dependent constitutive models for springback prediction in martensitic steel forming

SY Lee, SY Yoon, JH Kim, F Barlat, KS Oh - International Journal of …, 2023 - Elsevier
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 …

Strain hardening response and modeling of EDDQ and DP780 steel sheet under non-linear strain path

J Ha, MG Lee, F Barlat - Mechanics of Materials, 2013 - Elsevier
The anisotropic hardening behaviors of dual phase (DP780) and extra deep drawing quality
(EDDQ) steel sheets under non-proportional strain paths were investigated. Two-step …

Extension of quasi-plastic–elastic approach to incorporate complex plastic flow behavior–application to springback of advanced high-strength steels

J Lee, JY Lee, F Barlat, RH Wagoner, K Chung… - International Journal of …, 2013 - Elsevier
Materials modeling and numerical formulations were conducted to describe the complex
material behavior upon strain path change in order to enhance the prediction accuracy of …

Combined anisotropic and distortion hardening to describe directional response with Bauschinger effect

EH Lee, H Choi, TB Stoughton, JW Yoon - International Journal of Plasticity, 2019 - Elsevier
Directional anisotropic hardening under non-proportional loading is modeled. A recently
proposed coupled quadratic-nonquadratic (CQN) yield function (Lee et al., 2017b) …