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How to deal with noisy data in a mesh free Galerkin method

Submitted by Micah Paul on
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fluid mechanics
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I'm currently working with a particle tracking velocimetry method, specifically trying to extract shear and vorticity data from the non-gridded velocity results. Of several methods used, the most efficient and accurate was based on a non-Sibsonian element free method. Unlike a more typical Galerkin problem which finds displacements by solving a PDE, this method uses the displacements of natural neighbors to find local flow gradients. 

New International Master Program in Computational Materials Science

Submitted by Sebastien Groh on
education
molecular dynamics
materials science
continuum mechanics
finite element
metals
density functional theory
Semiconductors
Solid State Physics

Hi,

I am writing to inform you about a new master in Computational Materials Science offered at TU Bergakademie Freiberg, Germany. It is an international master program, and all the lectures will be given in English.

To enhance multidisciplinary research, the program is open to students from different background, mechanical engineering, solid state physics and materials science.

 

Vibration and instability of a viscous-fluid-conveying single-walled carbon nanotube embedded in a visco-elastic medium

Submitted by Payam Soltani on
research

By: Payam Soltani, M. M. Taherian, A. Farshidianfar

http://iopscience.iop.org/0022-3727/43/42/425401 

 In this study, for the first time, the transverse vibrational model of a viscous-fluid-conveying

single-walled carbon nanotube (SWCNT) embedded in biological soft tissue is developed.

Nonlocal Euler–Bernoulli beam theory has been used to investigate fluid-induced vibration of

Studying the Tensile Behaviour of GLARE Laminates: A Finite Element Modelling Approach

Submitted by Payam Soltani on
research
ansys
GLARE
Fibre Metal Laminates
Finite element modelling .Tensile behaviour

By: Payam Soltani, M. Keikhosravy & R. H. Oskouei & C. Soutis 

 http://www.springerlink.com/content/h831735260162p66/

Abstract:

Numerical simulations based on finite element modelling are increasingly being

developed to accurately evaluate the tensile properties of GLARE (GLAss fibre REinforced

aluminium laminates). In this study, nonlinear tensile behaviour of GLARE Fibre Metal

Four-year PhD position on modeling of irradiation-induced embrittlement

Submitted by Erik Van der Giessen on
job
fracture
modeling
dislocation plasticity

The Micromechanics of Materials group at the Zernike Institute for Advanced Materials in the Netherlands is looking for a qualified PhD student to unravel irradiation-induced embrittlement in nuclear materials. A detailed description can be found in the attachment. Ideally, candidates have an MSc degree in mechanical or nuclear engineering, (applied) physics, material science or a related field, but holders of a BSc with the highest ranks may also be considered.

Apply before it's too late: June 1. 

P as the Optimal Inhibitor for Suppressing Surface Electromigration and Electrical Breakdown at the Source

Submitted by Zhenyu Zhang on

Based on an extensive search across the periodic table utilizing first-principles density functional theory, we discover phosphorus to be an optimal surface electromigration inhibitor on the technologically important Cu(111) surface-the dominant diffusion pathway in modern nanoelectronics interconnects. Unrecognized thus far, such an inhibitor is characterized by energetically favoring (and binding strongly at) the kink sites of step edges. These properties are determined to generally reside in elements that form strong covalent bonds with substrate metal atoms.

Instrumented Indentation, It's More Than Hardness

Submitted by NANOVEA on

As the validity of Instrumented Indentation continues to expand throughout all materials research, many throughout the community are still unclear as to what exactly can be achieved. Although advances in technology will continue to grow the list of capabilities of Instrumented Indentation, we will review a list of what can be expected as of now. But first lets quickly review how Instrumented Indentation works.



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