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Rong Long's picture

Fracture Mechanics of Soft Materials

Rong Long

Department of Mechanical Engineering, University of Colorado Boulder

Influence of surface tension in the surfactant-driven fracture of particulate monolayers

Dear Colleagues,

  I thought some of you may be interested in our recent paper which has been accepted to Soft Matter.  The article is available online, here:

  http://pubs.rsc.org/en/content/articlepdf/2014/SM/C7SM01245D?page=search

   It contains a new model for the fracture of particulate rafts, and some new experimental results as well.  Questions are welcome. 

Sarah Bentil's picture

Ph.D. Research Position in Soft Tissue Mechanics (U.S. Citizens only)

 

One Ph.D. research position is available immediately at Iowa State University’s Mechanical Engineering Department in the area of soft tissue biomechanics. The candidates must be a US Citizen and have earned a B.S. degree in Mechanical Engineering, Bioengineering, or a related field. The selected candidates are expected to start no later than January 2018.

 

George Pharr's picture

Postdoc in small-scale mechanical behavior of materials

The Department of Materials Science and Engineering at Texas A&M University invites applications for a Postdoctoral Research Associate to work with Professor George M. Pharr to build a new small-scale mechanical testing laboratory and use it in fundamental research programs related to nanoindentation and small-scale mechanical behavior of materials.

Request for the researchers working on Artificial intelligence in application with two wheelers

Dear All.

 

Good day.

I am looking for the professors / research group working on the Aritificail intelligence in application with two wheelers.

Please help me.

Best regards

B A Vinay

Emilio Martínez Pañeda's picture

New release of Abaqus2Matlab: GUI, reading .odb and much more!

A2M GUI interface 

Dear imechanicians,

A new version of Abaqus2Matlab has just been released and I hope that it is of interest to you.

This new release constitutes a very significant step forward in the development of this well-known software to connect Abaqus and Matlab.

ktramesh's picture

Postdoc in Mechanics and Materials in Extreme Dynamic Environments

 

The Hopkins Extreme Materials Institute at Johns Hopkins University invites applications for a Postdoctoral Fellow in experimental mechanics, with an emphasis on understanding the critical mechanisms that control the behavior of materials in extreme dynamic environments. A significant part of the research is expected to include using major national facilities such as APS. It is expected that the Fellow will also help develop the intersection of experimental mechanics and data science.

Postdoc Opening: Non-reciprocity in Acoustic Systems with Nonlinear Hierarchical Internal Structure and Asymmetry

Location: Georgia Tech, School of Mechanical Engineering, Atlanta, GA
Advisor: Michael J. Leamy, Associate Professor
Funding Source: National Science Foundation (4 years; $2,000,000)

Jie. Yin's picture

Postdoc and Ph.D. opening in mechanics of mechanical metamaterials and soft robots

Applications are invited for an immediate postdoctoral associate opening and one Ph.D. opening (Spring, 2018) in mechanics and design of mechanical metamaterials and soft robotics in the Applied Mechanics of Materials Lab of Mechanical Engineering Department at Temple University, Philadelphia, PA, US.

Nanoscale Mechanics of the Solid Electrolyte Interphase on Lithiated-Silicon Electrodes

Hello Imechanica community, we have just published our study on the mechanics of SEI in Li-ion batteries. Please find the abstract and link as below. 

 

Abstract:

alicia's picture

Postdoctoral research in topology and fiber composite optimization at UC San Diego

Applications are sought for a Post-Doctoral Researcher at University of California, San Diego (USA) to join the M2DO research lab. The primary research focus is to develop topology optimization for fiber composite material. In particular the research will develop an optimization method for structural topology as well as fiber composite architecture making essential use of the finite element method for structural mechanics. The position is initially for one year with a possibility for renewal. 

rajan_prithivi's picture

How are principal planes & eigen vectors of the stress tensor related ? | An intuitive explanation

To obtain the principal planes we construct the stress tensor and find the eigen vectors. Here is an attempt to explain it more intuitively rather than the use of the formal mathematical method. Hope you enjoy this video!
---------------------------------

This is an educational outreach initiative targeted at all engineers interested in mechanics and seek simpler explanations. Kindly share if you learn something out of this !

Here is the link to the VIDEO

Alejandro Ortiz-Bernardin's picture

Postdoctoral Fellowship (Computational Solid Mechanics)

I am looking for highly motivated candidates to fill some postdocs positions in computational solid mechanics in Chile.

Please see details here:

http://camlab.cl/2017/07/23/postdoctoral-fellowship-2018/

 

Best,

Alejandro.

 

Post-doctoral fellow in Chile's Legato Team

Possibilities for postdoctoral fellowships in Computational Mechanics with Elena Atroshchenko in collaboration within the Legato Team http://legato-team.eu

Please apply here: http://www.conicyt.cl/fondecyt/2016/09/06/concurso-postdoctorado-2018/

If you need information, please contact Elena Atroshchenko <eatroshchenko@ing.uchile.cl>

mohsenzaeem's picture

Generalized stacking fault energies, ductilities, and twinnabilities of CoCrFeNi-based face-centered cubic high entropy alloys

Effects of Cu, Mn, Al, Ti, Mo on generalized stacking fault energies, Rice-criterion ductilities, and twinabilities of CoCrFeNi-based face-centered cubic high entropy alloys were investigated using density functional theory calculations. The calculated barrier energies and twinnabilities revealed that the addition of Ti or Mo increased the tendency of dislocation glide and deformation twinning, while addition of Mn, Cu and relatively high amount of Al facilitated dislocation gliding and martensitic transformation. Low amount of Al resulted in only dislocation gliding.

Mike Ciavarella's picture

Some Closed-Form Results for Adhesive Rough Contacts Near Complete Contact on Loading and Unloading in the Johnson, Kendall, and Roberts Regime

Michele Ciavarella  Yang Xu Robert L. Jackson

Some Closed-Form Results for Adhesive Rough Contacts Near Complete Contact on Loading and Unloading in the Johnson, Kendall, and Roberts Regime

Journal of Tribology Copyright VC 2018 by ASME JANUARY 2018, Vol. 140 / 011402-1

 

Recently, generalizing the solution of the adhesiveless random rough contact proposed

by Xu, Jackson, and Marghitu (XJM model), the first author has obtained a model for

adhesive contact near full contact, under the Johnson, Kendall, and Roberts (JKR)

Dependence of Equilibrium Griffith Surface Energy on Crack Speed in Phase-Field Models for Fracture Coupled to Elastodynamics

Phase-field models for crack propagation enable the simulation of complex crack patterns without complex and expensive tracking and remeshing as cracks grow. In the setting without inertia, the crack evolution is obtained from a variational energetic starting point, and leads to an equation for the order parameter coupled to elastostatics. Careful mathematical analysis has shown that this is consistent with the Griffith model for fracture. Recent efforts to include inertia in this formulation have replaced elastostatics by elastodynamics.

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