Blog posts

Ballistic penetration and fragmentation of brittle targets

Submitted by D.Rittel on Wed, 09/27/2017 - 12:07

The attached, to appear in I.J. Impact Engng., is an attempt to simplify such very complex calculations using an incubation time concept for defects coalescence, in the spirit of Tuler and Butcher and others.

By comparing the calculations and the experiments, it seems that the approach works nicely, produces realistic results, and most of all does not necessitate complex models with too many parameters of very sophisticated FE formulations.

Enjoy

[Deadline: 20 October 2017] ICDM3, July 4-6th, 2018, Shanghai, China - Session on Computational modeling of damage and failure in solids and structures

Submitted by phunguyen on Wed, 09/27/2017 - 09:44

Dear colleagues,

We would like to draw your attention to the following minisymposium at the Third International Conference on Damage Mechanics (ICDM3) to be held in Shanghai, China, July 4-6th, 2018:

MS5: Computational modeling of damage and failure in solids and structures

organised by Jian-Ying Wu (South China University of Technology), Phu Nguyen (Monash University) and Zhenjun Yang (Zhejiang University). The topics are:

ECCOMAS CMCS 2017, 7 - 9 Nov. 2017 Paris, France: deadline for registration 7 October

Submitted by Julien Yvonnet on Wed, 09/27/2017 - 08:26

Dear colleagues,

The ECCOMAS thematic conference "Computational Modeling of Complex Materials Across the scales" (CMCS 2017) will be held in Paris, from 7th to 9th November 2017.

https://cmcs2017.sciencesconf.org/

Subcritical bifurcation in a self-excited single-degree-of-freedom system with velocity weakening–strengthening friction law: analytical results and comparison with experiments

Submitted by Mike Ciavarella on Wed, 09/27/2017 - 06:30

research

non-linear dynamics

contact; tribology; friction; lubrication;

Nonlinear Dyn DOI 10.1007/s11071-017-3779-4 ORIGINAL PAPER

A. Papangelo, M. Ciavarella, N. Hoffmann

http://rdcu.be/wd3D

Postdoctoral position at the Technion

Submitted by Konstantin Volokh on Wed, 09/27/2017 - 04:12

A new postdoctoral fellow position will start on 1 November 2017 at the Technion – Israel Institute of Technology. The position is in the area of theoretical and computational modeling of failure in soft solids. The potential candidate should have a Ph.D.

Role of grain boundaries in determining strength and plastic deformation of yttria-stabilized tetragonal zirconia bicrystals

Submitted by mohsenzaeem on Tue, 09/26/2017 - 21:41

research

plastic deformation

yttria-stabilized tetragonal zirconia

bicrystals

atomistic simulations

Mechanical properties of yttria-stabilized tetragonal zirconia (YSTZ) bicrystals under compressive loading are investigated by atomistic simulations. Previous studies on deformation of single-crystal YSTZ showed that some specific orientations promote dislocation emission, tetragonal to monoclinic phase transformation, or both. In this work, nanograins with different orientations are selectively combined to generate bicrystals with various grain boundaries (GBs).

NEW.Mech 2017 @ MIT | Registration deadline info

Submitted by Ken Kamrin on Tue, 09/26/2017 - 20:19

conference

The 8th annual New England Workshop on the Mechanics of Materials and Structures (NEW.Mech 2017) is taking place at MIT on October 14, 2017. We would like to let you know that the registration deadline for submitting an e-poster or teaser talk is October 4 and the registration deadline for general admission is October 11.

PhD Position in Computational Mechanics and Materials at Utah State University

Submitted by Ling Liu on Tue, 09/26/2017 - 19:42

job

phd

mechanics

We have 1 PhD position in the general area of modeling and simulation of advanced engineering materials. The student will have opportunities to work with experts from the industry and the national lab.

Requirements:

1. For applicants with no degree from a English-Speaking country:

TOEFL >= 79 or IELTS >= 6 (and a minimum score of 5 on each subscale)

2. GRE verbal and quantitative scores (no minimum requirement)

3. Self-motivated

2 Postdoc positions in LEM3 laboratory (UMR 7239) of Arts et Métiers ParisTech, Metz

Submitted by George Chatzig… on Tue, 09/26/2017 - 14:53

The LEM3 laboratory (UMR 7239) of Arts et Métiers ParisTech, Metz announces 2 postdoc positions.

Position 1
Title: Modeling the fatigue behavior of thermomechanical shape memory alloys: Application to the optimization of biocompatible actuators for cardiac implants.

Bio-based Self-healing Mortar: An Experimental and Numerical Study

Submitted by shavijabranko on Tue, 09/26/2017 - 11:42

Recent years have seen a lot of development in the field of self-healing materials. Our group at Delft University is working (for more than a decade) on development of self-healing concrete which uses bacterial spores embedded in the matrix to "heal" cracks. In recent years, the focus has shifted on development of numerical models as tools for development of these materials.

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