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Gregory M. Odegard's picture

Newsletter for the ASME Committee on Constitutive Equations - Summer 2008

Mechanics community,

Please find attached the summer 2008 edition of the ASME Committee on Constitutive Equations Newsletter.  Included in the newletter is an article written by Prof. Ostoja-Starzewski on "Homogenization and Size of Representative Volume Element (RVE)".



Greg Odegard

Postdoctoral Researcher Position in Solid Mechanics

A postdoctoral researcher position is available at the Solid Mechanics Laboratory at Ecole Polytechnique (Paris).  The aim of this postdoctoral research project is to investigate the mechanical behavior of a newly-developed all-metal sandwich sheet material for automotive and aerospace applications. The ultimate goal is to optimize the characteristic sandwich core structure for formability, crashworthiness and fatigue life. This research makes use of experimental, theoretical and computational mechanics.

Effect of constraint on interface fracture toughness

Hi All,

I have a question in my mind, we all know that the fracture toughness of isotropic, homogeneous materials is dependent on state of stress (plane strain and plane stress). It is higher in case of plane stress and decreases as the constraint increases and attains a constant value which we call "plane strain fracture toughness". But, what about the fracture toughness in interfaces? or fracture of thin layer bonded between two substrates (adhesive type)? I am sure that it will be a function of this as well.

Postdoctoral researcher position on Meshfree Simulations of Adiabatic Shear Band and Spall Fracture

A postdoctoral researcher position is available at UC Berkeley. The research project is about developing a commercial software or a Meshfree Module for one of the widely used commercial FEM codes.

jenda_z's picture

Localization of Inelastic Deformation 2008

Dear colleagues,

I would like to bring to your attention the advanced course on Modeling of localized inelastic deformation that will be taught by Milan Jirasek in Prague, Czech Republic on 22-26 September 2008. 
More detailed information on the course is posted at We are looking forward to seeing you in Prague!

Cai Wei's picture

Lecture notes on "Elasticity" and "Statistical Mechanics"

The lecture notes of the two courses I taught at Stanford University during the last two quarters, "ME 340 Elasticity" and "ME 334 Introduction to Statistical Mechanics", are available in PDF format online at:

Perhaps it could be useful to you.

N. Sukumar's picture

Maximum entropy coordinates for arbitrary polytopes

In the attached paper, we construct new generalized coordinates for arbitrary polytopes in d-dimensions (polygons and polyhedra in 2- and 3-dimensions, respectively) using the principle of maximum entropy. The paper is to appear in Computer Graphics Forum and will be presented at the SGP'08 Conference in Denmark.  

MichelleLOyen's picture

Web 2.0 and Medicine

I stumbled across this interesting blog post yesterday concerning an upcoming course on medicine via web 2.0.   It appeared quite interesting from several perspectives: first, medicine is often associated with being behind the times on technology but this all looks pretty current, secondly it may be the most comprehensive listing of topics I have seen where web 2.0 is applied to a single discipline, and finally it made me wonder what more we could do with mechanics via web 2.0 beyond just the

Ashfaq Adnan's picture

Effect of Surface Morphology on the Stability of Thin Nanostructures

We have recently studied the atomic scale structural stability of
freestanding wavy gold (Au) nanofilms using molecular dynamics
simulations. In recent years, wavy or patterned structurs have shown great promise for applications in
various emerging technologies including fuel cells
engineering, tissue engineering, biomedical engineering, creation
of counterfeit-resistant documents , nanolithography in microelectronics, optoelectronics, nanomachinesand many others. It is out of question that the
success of these novel applications lies on one crucial factor – the

Arash_Yavari's picture

Energy Balance Invariance for Interacting Particle Systems

This paper studies the invariance of balance of
energy for a system of interacting particles under groups of
transformations. Balance of energy and its invariance is first
examined in Euclidean space. Unlike the case of continuous media,
it is shown that conservation and balance laws do not follow
from the assumption of invariance of balance of energy under
time-dependent isometries of the ambient space. However, the
postulate of invariance of balance of energy under arbitrary
diffeomorphisms of the ambient (Euclidean) space, does yield

Mike Ciavarella's picture

LiquidPub Project: Scientific Publications meet the Web, a project from University of Trento

Liquid Publications: Scientific Publications meet the Web

Some very interesting projects from University of Trento. Changing the way scientific knowledge is produced, disseminated, evaluated, and consumed

A Ph.D.+MSc Position on Brain Surgery Simulation by XFEM and FleXFEM

High Performance Computing MSc+Ph.D. position available at the University of Glasgow on Massively Parallel Brain Surgery Simulation with the extended finite element method (XFEM and FleXFEM)  (University of Glasgow) -- funding body is EPSRC.

One year MSc in HPC in Edinburgh (all costs covered by funding) + 3 year Ph.D.  and access to HecToR, one of the world's largest super-computer, including training with experts in massively parallel simulation (10,000+ processors).

Teng Li's picture

Growing pains of iMechanica

Dear fellow iMechanica users,

Ting Tsui's picture

Ph.D. Candidate Position Available at the University of Waterloo

This is a fully funded research project at the University of Waterloo, Canada. The objective is to construct a PECVD and a UV cure chambers for porous dielectric thin film depositions. In addition to building chambers, the candidate will conduct experiments in thin film fracture and small scale deformation. Please email your CV to

karelmatous's picture

Post-doctoral research associate position

The Computational Science and Engineering Program at the University of Illinois at Urbana-Champaign is seeking highly qualified candidates for one post-doctoral research associate position in the Center for Simulation of Advanced Rockets.

Professor Shih receives Honorary Degree from Brown University



Brown University announced on May 6th 2008 that NUS president Shih Choon Fong is one of the seven honorary degree recipients in this year's commencement. The announcement reads as follows: 


Can the arc-length algorithm for simulating the plastic collapse of solid structures converge using ANSYS ?

For complex composite structures, I have never succeeded in finding the parameter configuration which can reach the convergence using ANSYS. Who can give me some instruction?

Problems of researchers in third world and how IMECHANICA can help them (it is not money).

many researchers in industrial countries think the only problem of third world researchers is money but it is not true. I worked as a researcher for four years in one of this third world countries.


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