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Yield stress fluid flows

A Virtual Special Issue of the Journal of Non-Newtonian Fluid Mechanics devoted to yield stress fluid flows has just been released. With this first Virtual Special Issue of the journal we inaugurate a practice, which we plan to make regular, of highlighting developments on a particular subject of relevance in order to guide and encourage research in the field.

Paper: On finding cohesive law parameters for foam-metal interfaces

A detailed report of our work on trying to find cohesive laws for interfacial fracture is attached.  I will add the experimental data after a shorter version of this report has been published.

The reason for posting this report on iMechanica is so that people who want to replicate the tests or perform similar tests know what is involved.  As we have found out, many details and potential problems faced by an experimentalist are hard to determine from the concise papers that are typically published as journal articles.

Please let me know if you have any questions.

ahmedettaf's picture

17 th National Congress on Theoretical and Applied Mechanics June 15-20 (Michigan State University)

Dear all,

I would like to bring to your attention the following minisymposium that is organized as part of the NCTAM 17 (Michigan State University, June 15-20, 2014)

http://www.usnctam2014.org/minisymposium/friction-adhesion-and-fracture-...

 

Friction, Adhesion and Fracture: From microscale physics to macroscale response

Kostas Danas's picture

Ph.D. Position on Magnetorheological Elastomers at Ecole Polytechnique, France

One Ph.D. position is now available starting October 2013 on magnetorheological elastomers in the Solid Mechanics Laboratory of Ecole Polytechnique, France. The potential student will work on the development of new experimental procedures and high fidelity numerical models for the understanding and constitutive description of microstructured magnetorheological solids. Students with strong interest in new coupled problems and strong background in engineering, physics or/and mechanics are encouraged to apply.

PACAM XIII - Modeling and Characterization of Ductile Failure


Dear Colleagues,

The Thirteenth
Pan-American Congress of Applied Mechanics (PACAM XIII) will be held in
Houston, TX, USA. The conference dates are May 22-24th, 2013.

v.tagarielli's picture

blast in deep water

 

Dear all,
I am proud to present to i-mechanicians some recent work by my student Andreas Schiffer. We provide a new experimental technique and detailed analytical models to explore one-dimensional underwater blast problems in deep water.
  
Schiffer et al, 2012, The Response of Rigid Plates to Deep Water Blast: Analytical Models and Finite Element Predictions, J. App. Mech

Jonathan Zimmerman's picture

Submit an abstract for IMECE-2012 sympoisum "Multiscale Perspectives on Plasticity in Metals"

My co-organizers and I invite you to submit an abstract to the upcoming symposium “Multiscale Perspectives on Plasticity in Metals” at the ASME 2012 International Mechanical Engineering Congress & Exposition (IMECE), to be held November 9-15, 2012 in Houston, Texas. This symposium will explore the unique challenges to understanding plastic deformation in metals and formulating material models that can accurately predict thermo-mechanical deformation.

Bo Li's picture

Experimental study on the dielectric properties of polyacrylate dielectric elastomer

The dielectric constant of elastomeric dielectric material is an
essential physical parameter, whose value may affect the
electromechanical deformation of a dielectric elastomer actuator. Since
the dielectric constant is influenced by several external factors as
reported before, and no certain value has been confirmed to our
knowledge, in the present paper, on the basis of systematical comparison
of recent past literature, we conducted extensive works on the
measurement of dielectric properties of VHB films, involving five
influencing factors: prestretch (both equal and unequal biaxial),
electrical frequency, electrode material, stress relaxation time and
temperature. Experimental results directly show that the dielectric

benzerga's picture

How do ductile materials fail?

This is a review on ductile fracture committed to the Advances in Applied Mechanics (Vol 44). Part of the review has an educational purpose and, as such, is intended for advanced undergraduates and starting graduate students. The other part is an account of recent research conducted in the field.

Harold S. Park's picture

USNCTAM 2010: Minisymposium on Mechanics of Crystalline Nanostructures

Horacio Espinosa and I welcome the submission of new abstracts for a minisymposium on "Mechanics of Crystalline Nanostructures", to be held at the 2010 US National Congress on Theoretical and Applied Mechanics (USNCTAM 2010), June 27-July 2 at Penn State University. 

Zaoyang Guo's picture

Ph.D. studentship in smart material at University of Glasgow, UK

A three-year
PhD studentship is available within the Glasgow Research Partnership in
Engineering (GRPE) as part of the Joint Research Institute in Mechanics of
Materials, Structures and Bioengineering at the University of Glasgow. 
The
specific goals of the PhD will be to manufacture MREs and determine the
influence of manufacture conditions on the micro-structure and magnetic-sensitivity
of the magnetorheological elastomers (smart material).

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