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PhD positions (TA/RA) available at Penn State

Submitted by Sulin Zhang on

We are looking for PhD candidates to conduct research at the following two interdisciplinary subfields, starting from Spring of 2015. Interested individuals are encouraged to apply (suz10 [at] psu.edu)

1) Mechanics in electrochemistry. We develop atomistically informed continuum mechanics models, coupling mechanics and lithium reaction and diffusion to account for a wide range of in-situ experimental phenoemna. Some recent publications:

Representative Volume Element Calculations under Constant Stress Triaxiality, Lode Parameter, and Shear Ratio

Submitted by Cihan Tekoğlu on

Recent experiments showed that the Lode parameter, which distinguishes between axisymmetric and shear dominated stress states, has a profound effect on material ductility, especially at low stress triaxiality. Consequently, the theoretical framework for void growth and coalescence is currently being revisited, which often involve performing representative volume element (RVE) calculations. The present study investigates an RVE composed of a cubic unit cell containing a spherical void at its center.

Fatigue of multiscale composites with secondary nanoplatelet reinforcement: 3D computational analysis

Submitted by Leon Mishnaevsky on

3D numerical simulations of fatigue damage of multiscale fiber reinforced polymer composites with secondary nanoclay´reinforcement are carried out. Macro–micro FE models of the multiscale composites are generated automatically using Python based software. The effect of the nanoclay reinforcement (localized in the fiber/matrix interface (fiber sizing) and distributed throughout the matrix) on the crack path, damage mechanisms and fatigue behavior is investigated in numerical experiments.

Tenure-Track Faculty Position in Computational Mechanics - The George Wasgington University

Submitted by manzari on

The Department of Civil and Environmental Engineering at the George Washington University invites applications for a tenure-track faculty position at the level of Assistant Professor starting fall semester 2015. The primary field of interest is mechanics of geomechanical and structural systems. Applications from women and under-represented minority groups are strongly encouraged. 

Micromechanical Study of the Interface Properties in Concrete Repair Systems

Submitted by shavijabranko on

Hi all,

We've recently published a paper on

Micromechanical Study of the Interface Properties in Concrete Repair Systems

It deals with nanoindentation and numerical simulation of the interface zone in concrete repair systems.

Greetings

Strain hardening

Submitted by Zhigang Suo on

The attached notes are written for a course on plasticity.  I will update new posts on my twitter account:  https://twitter.com/zhigangsuo.  Rheology is the science of deformation. This science poses a question for every material: given a history of stress, how do we find the history of strain?