Blog posts

Phase Diagrams of Instabilities in Compressed Film-Substrate Systems

Qiming Wang and Xuanhe Zhao

Graduate student research positions are available in Professor
Martini’s Fundamental Tribology group in Mechanical Engineering at the
University of California Merced. UC Merced is the 10th campus of the University
of California system, opened in 2005, with a rapidy growing research program. Professor Martini’s
group focuses on computational modeling of friction, wear and lubrication of
sliding surfaces, with particular emphasis on nanoscale interfacial phenomena.
Prospective applicants should contact Professor Martini directly.

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Faculty Positions

Mechanical Engineering



The Physical Sciences and Engineering (PSE) Division at King Abdullah University of Science and Technology (KAUST) invites qualified applicants to apply for faculty positions at all ranks (Assistant, Associate, and Full Professor) in the Mechanical Engineering Program.



KAUST offers superb research facilities, generous assured research funding and internationally competitive salaries. www.kaust.edu.sa

 R. Brenner   A. J. Beaudoin    P. Suquet    A. Acharya

(to appear in Philosophical Magazine)

At the Division of Mechanics

of Functional Materials in the institute of Materials Science, TU Darmstadt the

following research position is to be filled as soon as possible:

 Research position (E 13 TV – TU

Darmstadt), Postdoc/Doctoral Candidate

The position is
scheduled for three years.

Tasks and Opportunities

At finite deformations, the 2nd Piola-Kirchhoff stress tensor S_{IJ} is work-conjugate to the Euler-Lagrange strain tensor E_{IJ}, i.e. the work done by the stress S_{IJ} at developing a strain E_{IJ} per unit volume in the reference configuration is

W = 1/2 S_{IJ} E_{IJ}  (Einstein summation over repeated indices implied)

I would like to express this in the same form as used in linear elasticity, i.e. to write S_{IJ} = M_{IJKL} E_{KL}, which would give me

W = 1/2 M_{IJKL} E_{IJ} E_{KL}