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Hi everyone,

According to a book chapter written by NL Hancox, 'Laminar construction of composites which is required if the reinforcing fibres are to be used efficiently and anisotropy reduced, can be a reason why composite laminates are vulnerable to impact damage.'

Now I have three questions;

1-What is meant here by the specified 'laminar construction to reduce anisotropy'?Does it mean to use different orientation for fibres in each ply to have an isotropic material at the laminate level?

The annual International Dictyostelium Conference will be held in Baltimore, MD USA from August 14 to 18. Dictyostelium has been extensively used as a model organism for the study of cell mechanics, motility, chemotaxis, cell division and other biological events that involve cell shape change and the mechanical behaviors of cells. In this coming meeting, there will be 70 oral presentations and 100 posters covering above topics.

http://dicty11.dictybase.org

Abstract deadline extended to August 15, 2011 for ISCM III-CSE II in Taipei, Taiwan, December 5-7, 2011. Please submit your abstract to the minisymposium of "Multiscale methods in plasticity".

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Two Students are needed to begin immediately.

Applications are invited from
suitably qualified candidates for a Postdoctoral position in the framework of a
Danish-Chinese research project "High reliability of large wind turbines via
computational micromechanics based enhancement of materials performances"
at  Risoe DTU.

Dear All,

A section of a beam with hole is subjected to the shear and moment. Assuming that we ignore the moment in the section of the beam, is there any formulation for obtaining the stress concentration due to shear only. I have attached a picture of the problem.

I appreciate your professional comment.

Thank you,

Manooir