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How shell-like is a carbon nanotube?

Submitted by Pradeep Sharma on

(Carbon) Nanotubes have attracted considerable attention from the mechanics community; probably second to none when it comes to nanotechnologies. Although I personally have done very little in this particular topic, I have enjoyed reading about the many developments made by mechanicians in terms of modeling the behavior of nanotubes and the applicability of standard continuum mechanics notions. A post on this subject on iMechanica, which received a fair amount of attention from many mechanicians involved in this topic, may be found here .

Elastic solution for a hole in an infinite space

Submitted by MScaraggi on

Dear All,

the solution of an elastic half space subjected to any generalized load may be seen as the solution of another elastic problem, that is elastic space with an infinite length hole when the hole radius goes to infinite.

Is there a "general" solution for that elastic problem? For general I mean a solution that can be used e.g. like a kernel in a convolution operation.

The Department of Engineering Mechanics, University of Nebraska-Lincoln, invites applications for a Research Assistant Professor

Submitted by engmech on

To enhance its leadership position and focus for the future, UNL CoE is now deploying a new strategic approach in biomaterials, focusing on novel experiments and ground-breaking research. UNL external research funding has tripled in the last decade. The investment of these funds enables the university to support innovative research projects, hire top faculty and provide them with equipment and facilities to achieve their goals. 

the polyimide film materials world

Submitted by bakgo on

Polyimide film,quivalent to Kapton HN,VN,FN(Fep FH,FHF),Silicone adhesive Polyimide tape,Acrylic coated Polyimide tape,copper clad polyimide sheet,Nomex laminated Polyimide sheet,Flame retardant plastic film(PP,PET) and extra big NiZn ferrite magnet etc.

 

As the sales unit,Profma International Co.,Ltd.plays a very important role among a Polyimide Manufacturer Association in China.Our goal is always to produce the best polyimide products and supply our customers with the right material in a quick and sincere manner.

Sylvain Gabriele

Submitted by Sylvain Gabriele on

My name is Sylvain Gabriele and I am a tenured Assistant Professor at the University of Mons in Belgium. I have a background in polymer physics and I work now on cell mechanics. My group belongs to the Interfaces & Complex Fluids Lab at the University of Mons directed by Pascal Damman. We ssek to understand how physical effects applied to living cells affect their structure and function. 

For more informations, please visit our website: http://staff.umh.ac.be/Gabriele.Sylvain/Home.html

A question about electric displacement intensity factor of interacting cracks in piezoelectric materials

Submitted by Zhi Yan on

I am working on the problem of interacting cracks in piezoelectric materials. Due to the interaction of cracks, I found a non-intuitive phenomenon that the electric displacement intensity factor of the crack for some interacting profiles may be negative under some loading conditions (a tensile stress and an applied electric displacement). However, under the same loading conditions, the electric displacement intensity factor can never be negative for a single crack problem.

Call for Abstracts: SES2008 at the University of Illinois

Submitted by Harley T. Johnson on

Abstracts are now being accepted for the 2008 Society of Engineering Science Annual Technical Meeting, to be held October 12th-15th, 2008 at the University of Illinois at Urbana-Champaign.  The conference will feature more than 30 technical symposia in Applied Mathematics, Bioengineering, Dynamics, Fluid Mechanics, Imaging, Multiscale and Nanomechanics of Solids, Mechanics of Materials, etc., as well as special symposia in honor of the 2008 SES Medalists, listed at the conference website: http://ses2008.mechse.uiuc.edu .