Material parameters identification: Gradient-based, genetic and hybrid optimization algorithms

BM Chaparro, S Thuillier, LF Menezes… - Computational Materials …, 2008 - Elsevier
This paper presents two procedures for the identification of material parameters, a genetic
algorithm and a gradient-based algorithm. These algorithms enable both the yield criterion …

Applying the virtual fields method to the identification of elasto-plastic constitutive parameters

M Grédiac, F Pierron - International Journal of Plasticity, 2006 - Elsevier
This paper deals with the identification of constitutive parameters governing elasto-plastic
constitutive equations. The procedure used is the virtual fields method. It consists in writing …

Identification of plastic constitutive parameters at large deformations from three dimensional displacement fields

M Rossi, F Pierron - Computational mechanics, 2012 - Springer
The aim of this paper is to provide a general procedure to extract the constitutive parameters
of a plasticity model starting from displacement measurements and using the Virtual Fields …

Model identification and FE simulations: effect of different yield loci and hardening laws in sheet forming

P Flores, L Duchêne, C Bouffioux, T Lelotte… - International journal of …, 2007 - Elsevier
The bi-axial experimental equipment [Flores, P., Rondia, E., Habraken, AM, 2005a.
Development of an experimental equipment for the identification of constitutive laws (Special …

A non-associated constitutive model with mixed iso-kinematic hardening for finite element simulation of sheet metal forming

A Taherizadeh, DE Green, A Ghaei, JW Yoon - International journal of …, 2010 - Elsevier
In this paper an anisotropic material model based on non-associated flow rule and mixed
isotropic–kinematic hardening was developed and implemented into a user-defined material …

Comparison of the work-hardening of metallic sheets using tensile and shear strain paths

S Thuillier, PY Manach - International Journal of Plasticity, 2009 - Elsevier
This work deals with the characterization of the kinematic work-hardening of a bake-
hardening steel. A shear test device has been designed and its use for the characterization …

Comparison of the hardening behaviour of different steel families: From mild and stainless steel to advanced high strength steels

E Silvestre, J Mendiguren, L Galdos… - International journal of …, 2015 - Elsevier
Although steel has been used in vehicles from the automotive industry׳ s inception, different
steel grades are continually being developed in order to satisfy new fuel economy …

Identification of elasto-plastic constitutive parameters from statically undetermined tests using the virtual fields method

Y Pannier, S Avril, R Rotinat, F Pierron - Experimental Mechanics, 2006 - Springer
This paper presents an experimental validation of the use of the virtual fields method to
identify the elasto-plastic behaviour of an iron specimen from full-field measurements with …

Mechanical characterization of coatings using microbeam bending and digital image correlation techniques

C Eberl, DS Gianola, KJ Hemker - Experimental mechanics, 2010 - Springer
A new technique for characterizing end-supported microbeams of coating materials is
presented. Microbeams are fabricated using micro-EDM machining to isolate the material …

Plastic bending at large strain: A review

S Alexandrov, E Lyamina, YM Hwang - Processes, 2021 - mdpi.com
Finite plastic bending attracts researchers' attention due to its importance for identifying
material properties and frequent occurrence in sheet metal forming processes. The present …