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Nanoindentation Fracture Toughness

The ability of a material to resist cracking, or fracture, has been vital to the studies of fracture mechanics. Until recently the study of fracture toughness has been analyzed at a macro range using powerful instrumentation applied to large samples.

Group Leader or Senior Post Doctorate position in Mechanism-Based Modeling and Simulation

INM – Leibniz Institute for New Materials, Saarbrücken, is a basic and applied research institute in transition to new scientific fields. It has approximately 180 employees, excellent research equipment, and is well supported by public and third-party funding. Its traditional focus is chemical nanotechnology, where the institute holds key patents and has close international links to industry. Under new leadership, this focus is now expanding to include promising novel aspects of materials science, physics and biology.

Physical Instabilities in FSI

In this Tech Brief, we present two interesting fluid-structure interaction problems involving adaptive meshing and physical instability

Zhiqiang Wang's picture

Postdoc position available in Compuational Materials Modeling

The Department of Materials Science and Engineering in the College of Engineering at the University of North Texas (UNT) seeks highly qualified applicants for a postdoctoral researcher position in computational materials modeling. The successful candidate will work on multiscale modeling of defects and microstructures (e.g., dislocations, grain boundaries, etc), and damage and failure of materials to design and evaluate advanced superalloys for aerospace applications, as part of the federally-funded research program in the Institute for Science and Engineering Simulation (ISES).

ANSYS, Inc . job opportunity in Houston

ANSYS, Inc. has an immediate job opening
in Houston, TX for a Technical Services Engineer (Job ID # 2396).  This
is a full time position.


The job entails providing advanced technical
guidance on various aspects of computational
Structural Mechanics to clients in
industry and academia.


wvmars's picture

Short Course: Engineering of Durable Elastomeric Structures, 26-27 July 2011, Ann Arbor, Michigan

Elastomers are outstanding in their ability to repeatedly endure large deformations, and they are often applied where fatigue performance is a critical consideration. Because the macromolecular structure of elastomers gives rise to a number of unique behaviors, appropriately specialized methods are needed to characterize, analyze, and design for durability. This 2-day course provides the know-how for engineering durable elastomeric components and systems. The course is taught at Axel Products, and includes live demos of typical behavior.

Some Analytical Formulas for the Equilibrium States of a Swollen Hydrogel Shell

Dear Colleagues,
I wish to bring to you my recent work with my supervisor Hui-Hui Dai on "Some  Analytical Formulas for the Equilibrium States of a Swollen Hydrogel Shell". Below is the abstract and attached is the preprint of the article. I will very much appreciate your comments and suggestions.

Contact radius of sphere

Choose a channel featured in the header of iMechanica: 

Looking through books and papers I see an often quoted equation to show that the contact radius (a) of spherical indenter of radius (R) is related to the indentation depth (h):

a= √(R.h)

However, using simple trigonometry of a spherical cap it can be shown that:


Contact area is very important for use in nanoindentation - however, if it is based on the wrong contact area calculation, then more errors become apparent.

sondipon's picture

Marie Curie IEF & IIF

I am interested in applying for Marie Curie Intra-European Fellowships (IEF) and Marie Curie International Incoming Fellowships (IIF). These are highly prestigious two-year fellowships (with average salary ~£50k/year):

3 Post-Docs Up to 5 Years -- Multiscale Cutting in Real Time for Surgical Simulation

Three post-doctoral fellow positions
available over 5 years at Cardiff University in the framework of an ERC Starting
Independent Research Grant with Prof. Stéphane P.A. Bordas and Dr.
Pierre Kerfriden in collaboration with Prof. Karol Miller (University
of Western Australia).


(Synopsis at bottom of post)

We are looking for candidates with
experience in either of the following topics:

  • model order reduction (e.g. proper orthogonal decomposition - POD)

AxSTREAM Turbomachinery Coceptual Design Suite. Demo movies

Hi All,

I'm involved in development of AxSTREAM Turbomachinery Coceptual Design Suite.


We belives that AxSTREAM has a great potentia not onlly in industry but in education too. We have good cooperation with PSU and a number of other univercities around globe.

Some time ago we started a new series of animated demo with narration, related to latest version AxSTREAM-III.

Now I'd like   to share first ones.

Lecturer in Computational/Theoretical Solid Mechanics (permanent) at Durham University, UK

We have another new position available in computational mechanics at Durham. Please contact me if you want further information on the group, School or University.  

On   Durham University Job Vacancies site (ref 0935)

PhD scholarship in Computational stress and damage modelling for rolling contact fatigue - DTU Mechanical Engineering

A PhD scholarship is available at DTU Mechanical Engineering, Section for Solid Mechanics, in the field of fatigue and wear in rolling and sliding contacts, with focus on computational stress and damage modelling. The department has well-established research activities in this field. The present scholarship is partly funded by the Danish Centre for Knowledge based Engineering for Improved Reliability of Critical Wind turbine Components (REWIND)  supported by the Danish Agency for Science, Technology and Innovation.

katia bertoldi's picture

Post-doctoral position in solid mechanics at Harvard

A postdoctoral position is available in the area of mechanics of solids and structures. The ideal candidate will have expertise in mechanics of materials, will be creative and willing to explore new ideas.

For additional information, please contact Katia Bertoldi at

To apply, please send a current CV, publication list, and contact information for at least 3 references to Katia Bertoldi at

Yonggang Huang's picture

French Republic Knights Professor Ravichandran

G. Ravichandran, John E. Goode, Jr. Professor of Aerospace and Professor of Mechanical Engineering, and Director of the Graduate Aerospace Laboratories (GALCIT) has been selected to receive the Chevalier de l'ordre des Palmes Académiques, which is the Knight grade of the French Republic's Order of Academic Palms. Founded by Napoleon in 1808 to honor educators and scholars,  this distinction recognizes eminent personalities who have made significant contributions to the development of French culture, science, and education.

Postdoctoral Researcher in Modelling of Composite Materials Manufacturing Processes

Applicants are invited for the above post, starting Sept 1st, 2011 or soon thereafter, which is funded by Enterprise Ireland and IDA Ireland, through the Competence Centre Programme. The successful candidate will be required to carry out modelling activities related to polymer matrix composites manufacturing, particularly by automated tow placement and liquid resin infusion processes. Developed models will be expected to assist design of concurrent experimental programmes, carried out by other researchers.

Vanessa Van Dyk's picture

Research Leader and Manager, Carbon Resource Management Department

Idaho National Laboratory Research Leader and Manager, Carbon Resource Management Department The Idaho National Laboratory (INL) is seeking a highly qualified individual to lead its Carbon Resource Management Department, which is a component of the Energy Systems and Technologies Division of the INL Energy and Environmental Science and Technology Directorate.

Some references on dynamic testing

First of all, I would like to thank you all for the response. I apologize for the much delayed reply.

In what follows, I will list a few references about
dynamic behaviors of materials at large and the testing techniques. Of
course I will definitely omit some important books or papers since after
all I am more a materials scientist. Therefore, if you know of know of
any good references, please let us know.


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