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Stress intensity factors at crack tip for beam with a hole

Submitted by parisa on

Hi everybody,

I am dealing with a beam with a hole containing a crack loaded at the mid-span. I am wondering if the stress intensity factors

(KI, KII) closed form solution have been expanded for this case or not? I would appreciate if anybody could hlep me about this

case.

Thank you,

Parisa

Materials and Mechanics for Stretchable Electronics

Submitted by Jianliang Xiao on

A review paper on stretchable electronics written by Professors John A. Rogers, Takao Someya, and Yonggang Huang was published in a recent issue of Science . This paper gives a nice summary on the recent advances in inorganic and organic stretchable electronics. Materials, structures and mechanics of these systems are discussed. Many attractive applications of stretchable electronics are introduced, such as stretchable silicon circuit, electronic eyeball camera, and flexible LED display. 

SES 2010 Annual Technical Meeting - Call for Papers

Submitted by Wei Hong on

The Society of the Engineering Science is sponsoring the 47th Annual Technical Meeting (SES2010) on October 4-6, 2010 at Iowa State University in Ames, IA. The meeting is held on biannual basis as a standalone meeting to foster and promote the exchange of ideas and information among the various disciplines of engineering and the fields of physics, chemistry, mathematics, bioengineering and related scientific and engineering fields.

8th International Conference on Fatigue Damage of Structural Materials - oral programme now available

Submitted by Dan Lovegrove on

Elsevier is pleased to announce that details of the oral programme for the 8th Fatigue Damage of Structural Materials conference are now available - please visit www.fatiguedamage.elsevier.com for more information. Invited speakers will include:

4th I C on Engineering Failure Analysis - oral program announced, early bird discount offer ends 9 April

Submitted by Dan Lovegrove on



Don't miss out! Register by Friday 9th April 2010 to save on the cost of your registration fee for the Fourth International Conference on Engineering Failure Analysis at Churchill College in Cambridge from 4th - 7th July 2010.

Elsevier is pleased to announce details of the oral programme are now available - please visit www.icefa.elsevier.com for more information. Keynote speakers will be:

CMMSE 2010 - Call for papers - Minisymposium on Sampling theory and meshfree methods

Submitted by netuzhylov on

Please note the Minisymposium on Sampling theory and meshfree methods as a part of

the International Conference on Computational and Mathematical methods in Science and Engineering

CMMSE 2010, 26-30 June 2010, Almeria, Andalucia, Spain
--   http://gsii.usal.es/~CMMSE  --

 This mini-symposium aims to bring together such related areas of
mathematics and computational mechanics as Sampling Theory and Meshfree
Numerical Methods.

PostDoc Position in Experimental (Bio)Mechanics

Submitted by Helmut Boehm on

The Institute of Lightweight Design and Structural Biomechanics

(http://www.ilsb.tuwien.ac.at ) of Vienna University of Technology in Vienna, Austria, has an opening for a Postdoc in Experimental (Bio)Mechanics for a period of two years.

Please, see http://www.ilsb.tuwien.ac.at/gener/aussch18e2.pdf for details

Derivative of an expression

Submitted by Anton Ishmurzin on
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Hello iMechanica!

While reading a paper, I've tried to repeat a derivation of a simple tensorial expression given in the paper and my result differs from the result in the paper. Could you please look in to the PDF-File (just 1 page long!) that I have attached to my post and see if I derived everything right? That would be great!

 Thanks a lot in advance!

Anton