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anisotropic plasticity

yancheng.zhang's picture

PhD position on thermo-metallurgical-mechanical modelling of additive manufacturing at track scale

The objective of GISTEAMMM is to characterize the grain structure generated by laser powder bed fusion (L-PBF) process at track scale: one track or single wall with several tracks, in which the grain structures will be obtained by both experiment and thermo-metallurgical-mechanical modelling. The anisotropic elastic-viscoplastic material laws at grain levels are expected to be extracted by considering the influence of inherent residual stress generated during printing process.

yancheng.zhang's picture

PhD position in the filed of computational mechanics on metal alloys based Additive Manufacturing

GRAMME project aims at developing an efficient and relevant coupling strategy in laser powder bed fusion (LPBF) process modelling between microstructure development and anisotropic mechanical behaviour at part scale during and after construction. An efficient computational platform based on model-order reduction and experimental validations will be established by the end of the project to meet this objective.

Two PhD positions in Computational Mechanics at Mines ParisTech (CEMEF)

The group of Computational Solids Mechanics at CEMEF Mines ParisTech, in the French Riviera, is seeking two candidates for Ph.D. positions. The appointment is starting on October 1st 2018.

The research topics are related to :

- 3D Numerical modelling of Ductile Fracture
- Numerical modelling of sheet-like materials under complex loading paths

Interested applicants can send a resume to

kourousis's picture

SLM Ti-6Al-4V Plastic Anisotropy

Cyclic Plasticity and Microstructure of As-built SLM Ti-6Al-4V: The Effect of Build Orientation

D. Agius, K.I. Kourousis, C. Wallbrink, T. Song

Materials Science & Engineering: A (2017) -- Free access to the full article available at:

On the modeling of asymmetric yield functions

In the context of metal plasticity, the yield function of a metal polycrystal is its most complex macro-characteristic. Letting aside the questions of kinematic or distortional hardening, the basic problem is geometric in nature: to design a family of convex surfaces capable of reproducing a wide range of experimental, or theoretically predicted data. While many satisfactory solutions have been proposed for the modeling of symmetric (with respect to the origin of the stress space) yield functions, the more general case of asymmetric functions has not witnessed comparable progress.

Anisotropic plasticity and hyperelasticity in Abaqus

Choose a channel featured in the header of iMechanica: 

I am trying to model a polymer that has been processed in such a way that it has oriented (orthotropic) material properties and undergoes very high strains (>100%) before break.

shyam's picture

New paper on a Gurson like fracture model for plastically anisotropic materials

Hello All. This is my first blog entry in iMechanica!. This post is about my new paper with Prof. Amine Benzerga entitled "A constitutive model for plastically anisotropic solids with non-spherical voids", accepted for publication in JMPS (URL: ). In case you are not able to view the online version, a preprint of the paper is attached. This paper should be of interest to anyone working in the ductile fracture area. Your comments and feedback are welcome.

Peichen1573's picture

About experimentl methods for observing the anisotropic plastic behavior of FCC alloy

I'm doing a research on anisotropic yield criteria for a FCC alloy and I have to do biaxial tensile experiments to get the yield locus in the biaxial stress space.I have two kinds of samples: 

         1. metal sheet with dimensions of 150mm x 70mm x 15mm(thickness); 

         2. rod with diameter of 20mm and length of 150mm. 

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