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University Lectureship in Solid Mechanics and Materials Engineering, University of Oxford

Submitted by acfcocks on

The Department of Engineering and Balliol College at Oxford University have a University Lectureship available in the area of Solid Mechanics and Materials Engineering.  We would  be particularly interested in receiving applications in the general area of composite and lightweight materials, including, polymer, metal, ceramic, biological and multifunctional composites, foams and lattice materials. The closing date for applications is 16th January 2012.  Further information can be found in the attached files.

We look forward to receiving your application.

Riemann-Cartan Geometry of Nonlinear Dislocation Mechanics

Submitted by arash_yavari on

We present a geometric theory of nonlinear solids with distributed dislocations. In this theory the material manifold - where the body is stress free - is a Weitzenbock manifold, i.e. a manifold with a flat affine connection with torsion but vanishing non-metricity. Torsion of the material manifold is identified with the dislocation density tensor of nonlinear dislocation mechanics. Using Cartan's moving frames we construct the material manifold for several examples of bodies with distributed dislocations. We also present non-trivial examples of zero-stress dislocation distributions.

2012 BENJAMIN FRANKLIN MEDAL IN MECHANICAL ENGINEERING

Submitted by Vladimir Vinogradov on

2012 BENJAMIN FRANKLIN MEDAL IN MECHANICAL ENGINEERING



Zvi Hashin, Ph.D. 

Tel Aviv University

Tel Aviv, Israel 




Citation: For groundbreaking contributions to the accurate analysis of composite materials, which have enabled practical engineering designs of lightweight composite structures, commonly used today in aerospace, marine, automotive, and civil infrastructure.

Postdoctoral postion in Computational Crystal Plasticity at RPI

Submitted by Suvranu De on

There is an immediate opening for a postdoctoral research position in the Advanced Computational Research Lab at RPI, Troy NY to work on Crystal Plasticity Finite Element Methods. Currently we are working on interesting advances in the areas of radiation damage and high strain rate loading conditions. Encouraged to apply are creative, self-motivated individuals with a sound baclkground in computational mechanics, CPFEM and materials science. RPI is home to the CCNI, one of the most powerful university-based supercomputational research facilities in the world.

 

Forced Vibration of Prismatic Beams

Submitted by CH von Kerczek on

Attached is a computer program, written in Scilab and easily convertible to Matlab, that computes and dsiplays vibrations of prismatic beams forced by a sinusoidal point force. One can impose a variety of boundary conditions, including ones with end masses, springs and dampers. I show several examples. This might be a useful pedagogical item to play around with.

I have similar programs and write-ups for free vibrations of Euler Bernoulli beams and Timshenko beams with variable properties. If any would be interested I would willing to post them too.