We are pleased to announce the Advanced Short Course at the International Centre for Mechanical Sciences (CISM) on

Identification Methods for Structural Health Monitoring and Residual Lifecycle Assessment

June 3, 2013 — June 7, 2013

VACANCY

TECHNOLOGY CENTRE – CHILTON

Please apply online. Do not contact me; I do not work in the company.

Dear all,

The 1st international symposium on transportation Soil
Engineering in Cold Regions - A Joint Conference with the 10th SHAHUNIANTS
Lecture (TRANSOILCOLD2013) will be held between 10th and 12th Oct 2013 in Qinghai
Hotel, Xining, Qinghai Province, China. Interested researchers can find more
information at

Discussion on metamaterials (particularly dynamics of phononic/acoustic metamaterials) was first initiated in Journal Club Dec. 2007 (by Dr. Banerjee) and then recently again in Journal Clubs May 2012 (by Dr. Spadoni), June 2012 (by Dr. Kochmann) and Dec. 2012 (by Dr. Ruzzene).  For the last five years, the research area in mechanical metamaterials has broadened so much that it now covers various unconventional macroscopic characteristics, not only dynamic properties (e.g., band-gaps, dynamic modulus/density, etc.) but also static properties (e.g., negative modulus, ultra-low density, etc.).  

For the recent development in this area, I would recommend a review paper by Lee et al. [1].  The paper summarizes several extraordinary mechanical characteristics and their fabrication techniques that have been recently reported.  Unconventional functionalities can be classified into linear properties (e.g., elastic modulus-density, phononic band-gaps, Poisson’s ratio) and non-linear properties (e.g., specific energy absorption, high-strain-rate resistance). In this Journal Club, I would like to introduce a couple of related (and interesting!) topics which are not intensively covered in the review paper [1].  

Ultrasonics Laboratory in the Material Science & Engineering
department is looking for a PhD student in the areas of ultrasonic characterization
of polycrystalline materials, composites and bonded structures. The position is
supported by research grants and is intended for several years. Strong
background in experimental and modeling aspects acoustics/ultrasonics
and signal processing is preferable. An MS degree in

A postdoctoral associate position is available at Rice University in the
area of atomistic and molecular modeling of nanoscale friction and defects in an assembly of
nanoparticles. Computational techniques will be integrated to approaches from statistical
mechanics and physical chemistry to provide quantitative predictions of properties of complex
oxide materials across different time- and length-scales. The research will be carried out at Rice
University's Multiscale Materials Modeling Lab.

Sandia National Laboratories is the nation's premier science and engineering lab for national security and technology innovation with major facilities in Albuquerque, New Mexico and Livermore, California.  We are a world-class team of scientists, engineers, technologists, post docs, and visiting researchers all focused on cutting-edge technology, ranging from homeland defense, global security, biotechnology, and environmental preservation to energy and combustion research, computer security, and nuclear defense.  To learn more, please visit our website at www.sandia.gov.

We are pleased to announce that the 23rd International Workshop on Computational Mechanics of Materials (IWCMM23) will be held in Singapore during October 2-5, 2013. The Workshop website is www.iwcmm23.org which will be continually updated over the next few weeks as the details are finalized.

We would like to request you to submit abstracts via http://iwcmm23.org/abstract-submission.html. The proposed submission deadline is April 18, 2013. The abstracts will be allocated to appropriate sessions at a later date.

We eagerly look forward to your particpation at IWCMM23.

Sincerely,

Vincent Tan (National University of Singapore)
Shailendra P. Joshi (National University of Singapore)

The Institute of Mechanics at TU Dortmund, Germany, together with the Helmholtz-Zentrum
Geesthacht, invites applications for a research position within the new Collaborative Research Centre (SFB 986) “Tailor-Made Multi-Scale Materials Systems – M³” (PhD or postdoc position).

Six finalists have been announced for the Twenty-Fourth Annual Robert J. Melosh Competition for the Best Student Paper in Finite Element Analysis. The finalists and their current institutions are:

Michael Borden, University of Texas at Austin

Pritam Chakraborty, Idaho National Laboratory 

See annoucement.  Congratulations to Professor Mary Boyce!

Postdoctoral Research Associate in Sensorimotor Control at the University of Colorado Boulder

The Neuromechanics Lab at the University of Colorado Boulder, in conjunction with Northwestern University and the Rehabilitation Institute of Chicago, is seeking a postdoctoral researcher to work on a new research project investigating motor control in a neuroeconomic framework. The project will focus on the role of risk and the subjective valuation of reward in sensorimotor decision-making and control. Candidates will take part in computational modeling of motor control, and the design and supervision of psychophysical experiments.

Yichao Zhu       Stephen J. Chapman       Amit Acharya

(to appear in Journal of the Mechanics and Physics of Solids)

The Peach-Koehler expression for the stress generated by a single (non-planar)
curvilinear dislocation is evaluated to calculate the dislocation self stress. This is
combined with a law of motion to give the self-induced motion of a general dislocation
curve. A stability analysis of a rectilinear, uniformly translating dislocation is then
performed. The dislocation is found to be susceptible to a helical instability, with
the maximum growth rate occurring when the dislocation is almost, but not exactly,
pure screw. The non-linear evolution of the instability is determined numerically, and
implications for slip band formation and non-Schmid behaviour in yielding discussed.