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Andrew Norris's picture

Sci & Engng Publication Output and the Research &Publication Environment in the US: NSF Reports

Within the last two weeks the US National Science Foundation (NSF) published not one but two studies on (a) the attitudes of scientists and engineers to the changing world of publication, and (b) the relative global productibity of US science & engineering as measured by journal publication.    

These are not dense 500 page reports, but short, readable (10-15 min.).  I think iMechanica readers will find them relevant and interesting:

Tips for short presentations

I've been to two conferences this year and I've again seen the same annoying features in many talks that have been warned against by numerous people over the years.

Here are some tips that might come in handy :

A 1st step to super-strong carbon materials? 'Graphene oxide paper', Nature July 26 issue

Long URL: (

The above was written for the interested layperson who wants to learn more about science. It provides some context for our manuscript that has recently appeared in Nature.

2 post-doc openings at Cambridge Engineering Dept.

2 Research Associate Positions in
Dynamic Properties of Engineering Materials and Structures

Rui Huang's picture

Research Highlight: Graphene Oxide Paper

From Northwestern Engineering:

In a paper published July 26 in the journal Nature, researchers led by Rod Ruoff, John Evans Professor of Nanoengineering in the Robert R. McCormick School of Engineering and Applied Science, report on the development of "graphene oxide paper."

yoursdhruly's picture

CALLING ALL STUDENTS! (and everyone else)

Recently, Prof. Suo and several of us students have been discussing the possibility of increasing student presence and activity on iMechanica . With this in mind, two of us: Mahdi Kazemzadeh and I, have identified three important issues we would like to get your thoughts on. Please comment and let us know what you think, even if you are not a student. Also, if you wish to add any more issues you think we should look at, please post your thoughts in this regard as well.

Faculty Openings Carnegie Mellon University

The mechanical engineering department at Carnegie Mellon University is now advertising faculty positions. Ranked by US News & World Report as a top 10 graduate engineering program and a Top 25 undergraduate university, Carnegie Mellon might be a good fit for someone that you know.

Srinivasan Sivakumar's picture

Poster Abstract Deadline extended to Aug 15. Intl.Workshop on SMART DEVICES: MODELING OF MATERIAL SYSTEMS Jan10-12, 2008

We invite you to submit an abstract for the poster sessions in the International Workshop on SMART DEVICES: MODELING OF MATERIAL SYSTEMS Jan 10-12, 2008. IIT MADRAS, Chennai.  INDIA.    (pl. note: VERY LIMITED SLOTS ARE AVAILABLE IN THE POSTER SESSIONS)

--> 15 Aug 2007:  Deadline for abstract submission (poster sessions only)

--> 20 Aug 2007:  End of abstract selection (poster sessions only).

Solid Mechanics Professorship at Imperial College London

Professorship in the Mechanics of Materials Division
Department of Mechanical Engineering
Imperial College London

Imperial College is one of Europe's leading teaching and research institutions and the Department of Mechanical Engineering had the highest possible rating in the last Research Assessment Exercise.

ErwanVerron's picture

Recent papers on rubber mechanics

Here are some of my recent papers about mechanics of rubber material. They concern constitutive modelling, fatigue and fracture.

Marckmann G. et Verron E., Comparison of hyperelastic models for rubberlike materials, Rubber Chemistry and Technology, 79(5), 835-858, 2006.

Problems with atomic force microscopy


 Recently, I have a problem bothered me alot, anybody please help me out.

 I am using Dimension 3100 AFM. It is a scanned tip SPM. There are two screws to adjust mirrow so that the laser can be reflected to the photodiode. My problem is:

coupling between plasticity and damage

Choose a channel featured in the header of iMechanica: 

Hello all,

 I am Nilesh and doing
study of Continuum damage mechanics, in that context, I have some doubt s

     Can anyone tell

applications of maths in the study of fractured surfaces

Hello everybody,

Please recommand me bibliography or the links on the WEB concerning the applications of different maths in the study of fractured surfaces. Thank you very much. In my country, Romania this domain is not know very well. Best regards from Romania!

Zhigang Suo's picture

Why do people become registered users of iMechanica?

The number of registered users of iMechanica is approaching 3000.  This sustained growth has been surprising to many, considering that iMechanica was launched less than a year ago, in September 2006, that iMechanica uses an off-the-shelf open-source software, Drupal, and that everyone can read everything without registration.  Why have so many people registered?  There might be many reasons, such as

yoursdhruly's picture

Sih's Strain Energy Density Approach in Fracture - why is it not very popular?

Most fracture classes and texts focus on the following different approaches: Griffith's energy approach, Irwin's stress intensity factor approach, the Barenblatt-Dugdale strip yield model (and subsequently, cohesive zone modeling) and Rice's J-Integral approach. As a graduate student studying fracture mechanics, I have often wondered why there seems to be very little discussion in the community with regard to Sih's strain energy density approach. Are there any fundamental limitations to the approach or are there "other" reasons behind this? Your thoughts are appreciated.

atmaca's picture

post doct.

Choose a channel featured in the header of iMechanica: 

How can i make post doc. in another country?

How can i follow post doc positions available in europe or america? 


Arash Karpour's picture

Fracture Criterion

Choose a channel featured in the header of iMechanica: 

 This is either a wage question I am asking or a stupid one...

How many fracture criterion do we have and what are they? some of these criterion that I am reading are related or a form of others...For example CTOD (crack tip opening displacement) criterion is related to energy release rate in

" A CTOD-Based Mixed-Mode Fracture Criterion" by Fashang Ma et al.

Any guid or direct help would be much appreciated.


   Thanks for your time



Xuejun Fan's picture

New Book - Mechanics of Microelectronics

You may want to take a look of this newly published book entitled Mechanics of Microelectronics, which is

Series: Solid Mechanics and Its Applications , Vol. 141

Springer, May 2006

Lateral Force Microscopy

I would like to do lateral force microscopy on biological samples.  The more I look into it, it seems it is very difficult to calibrate AFM tips for lateral force microscopy.  Does anyone have any suggestions about how to calibrate tips and which tips are conducive for lateral AFM? 

ErwanVerron's picture

Fifth European Conference on Constitutive Models for Rubber

If you are interested by the mechanics of elastomers, there is a dedicated conference for you : ECCMR 5, which will be held in Paris, France, 4-7 September 2007.

It is the fifth edition of the European Conference on Constitutive Models for Rubber Conference. The call for paper is now closed, but registration is still open.
See the conference web page:


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