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.
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.
Plans are underway to issue a solicitation for the Science and Technology Centers Program in July 2008. Please visit the STC website for updates: http://www.nsf.gov/od/oia/programs/stc/index.jsp
Research Article
Formal Correction: This article has been formally corrected to address the following errors.
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
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.
I am trying to apply Berendsen thermostat for CNT. When I choose to leave one third of the tube atoms to evolve freely with out distrubing the momentum, I am unable to acheive the target temperature and further temperature increases gradually over the whole simulation run (even with a thermostat parameter equals to the timestep i.e., like a simple scaling). How it is possible to acheive target temperature,by scaling only a part of atoms, using some scaling value which should actually scales all the atoms momenta.
Welcome to a Scientific American experiment in "networked
journalism," in which readers—you—get to collaborate with the author to
give a story its final form.
http://www.sciam.com/article.cfm?id=science-2-point-0-great-new-tool-or…
