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"Classics" in iMechanica

Submitted by Jayadeep U. B. on
education
Classics

Dear all,

While reading some "old" discussions in iMechanica, I have come across
a blog by Zhigang to have a collection of "classics" in iMechanica. 
Immediately, I searched for such a section, but couldn't locate it.  Is
it ever made?  If not, why not start it now?  I am sure there will be
many juniors like me, who are eager to read those classics.

Flexural-Torsional behavior of thin-walled composite beams

Submitted by composite20 on

I'me a student at the Departement of Civile Engineering of university of the algeria.

currently, i'm working on completing my thesis. My research area in general is in mechanics of composite materials. My problem is that of formulating the FEM solution to the Flexural-Torsional of laminate composite beam having orthotropic layers.

To plot a variable

Submitted by nitinchandola on

Hi everybody,
 
I have a question. I am using a UMAT and calculating a variable (tau=resolved shear stress) within the UMAT using other variables calculated in the UMAT for each time step. Now I want to plot this variable. How can I do this? This variable is not  only a function of pre-defined variables but also a function of variables calculated in the UMAT. 
 
I tried going through the USDFLD, UFIELD and UVARM subroutines but could not figure this out
 

Spatial Control in the Heterogeneous Nucleation of Water

Submitted by Kripa Varanasi on
research
nucleation
condensation
superhydrophobic
superhydrophilic
wetting

The attached paper was recently published
in Applied Physics Letters. We show for the first time that Nucleation and
Condensation of Water can be spatially controlled. Such control of nucleation
phenomena and the fundamental findings discussed in the paper have implications
for the Energy and Water industry. The paper can be found at http://link.aip.org/link/?APL/95/094101/1

Lightweight structures

Submitted by R. Gabbrielli on
research
Lightweight structures
porous materials

For those of you interested in the geometry of light frameworks and models for extremely porous materials, here are a couple of links. The first one contains two 3D objects. You need Java to view them.

http://people.bath.ac.uk/rg247/swansea/javaview/gyroid_146_007.html

http://people.bath.ac.uk/rg247/swansea/gyroid_146_007_n.png

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