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Memories of IT. Part 1

Submitted by Zhigang Suo on

I finally got around to read Does IT Matter, the 2004 book by Nicholas Carr.  He used the phrase IT (Information Technology) in "its commonly understood sense today, as denoting all the technology, both hardware and software, used to store, process, and transport information in digital form."  He explained, "The meaning of "IT" does not encompass the information that flows through the technology or the talent of the people using the technology."

Sample postdoc research proposals, please !!!

Submitted by sonia_1986 on

Hi all,

It is very good to see postdoc jobs posted in imechanica .I want to apply for postdoc position in solid mechanics ,however, i have never written a postdoc research proposal.I dont know how it is different from statement of purpose that is required for a graduate research. 

I tried but could not find any sample postdoc research proposal on internet.

I would greatly help if anyone can send me his/her actual or sample postdoc research proposal 

Thanks and Regards,

Sonia Chopra 

On designing dielectric elastomer actuators

Submitted by Mickael Moscardo on

Subject to a voltage, a dielectric elastomer can deform substantially, making it a desirable material for actuators. Designing such an actuator, however, has been challenging due to nonlinear equations of state, as well as multiple modes of failure, parameters of design, and measures of performance. This paper explores these issues, using a spring-roll actuator as an example.

Viagra and Mechanics --- Watermelon May Have Viagra-effect

Submitted by Mike Ciavarella on

I was reading this research from A&M Texas on Viagra and Watermelon. 

http://www.sciencedaily.com/releases/2008/06/080630165707.htm

I have noticed that it has made the front page news on many newspapers
worldwide in a matter of few days.  Maybe we should move to this field,
and because below I find that there are indeed interaction with aorta stiffness and elastic wave reflections.

How to develope a new potential function.

Submitted by prasad matukumilli on

How to develope a new potential function.

For instance, if I want to study a new material system by classical MD, for which the existing potential force fields are not suitable.

I would like to know the standard procedure, how to use the first principle studies/ experimental data and how to select the basic functions...from the experts in this area.

Prasad MVD

User Element for muscle model, with static condensation

Submitted by YKajee on

Hi all

 

I am in the process of developing my first user element in Abaqus, and finding it rather difficult. 

The
application requires modelling muscle behaviour. Hence a spring model
(linear at this stage) with 3 elements: 2 in series with each other,
and these 2, parallel to the third was implemented.

My problem involves static condensation of the stiffness matrix. (similar to mixed-methods)

Any advice/assistance would be great. Especially with regard to development of the user element in Abaqus.