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Meshless methods: A review and computer implementation aspects

Submitted by Stephane Bordas on
research
Meshless Methods; MATLAB Implementation; Enrichment; Enriched Meshfree Methods; XEFG; EFG;

For those who are interested in meshfree methods I think this could be an interesting paper/MATLAB code to look here and 

 
http://dx.doi.org/10.1016/j.matcom.2008.01.003

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

How to build a contact model involved the plastic defoemation?

Submitted by Mike lee on
research
Plasticity

Hello, everyone.

Recently, I am trying to build a plastic contact model to describe teh relationship between the plastic deformation and the contact force, which is a crucial point in my work that dealing with the grasp force in robotics. So, anybody has some ideas about this? Actually, I am attempting to find a analytic model.

 

Stress fields for finite crack in an infinite plate under tension

Submitted by vinay kumar B A on
research
fracture mechanics

hi...

 

       I am working on cracks emanating from a hole,  using Complex
stress potential method.  Now i have obtained the Stress Intensity
Factor ( SIF ) and now i want to plot the stress field or stress
contours. please guide me how i can get stress field.



Thanking you.



Yours Sincerely



vinay     

Crack modeling

Submitted by vinay kumar B A on
research
FEM

 

hi.

 

         I want to model a " Two cracks in infinete plate in ansys" but it is possible to use one quarter point element at a time.

 

    please help me how to model two cracks in ansys or  if it is easily possible in abaqus then also i am interested.

 

thanking you

 

viny

 

 

 

Stress fields for finite crack in an infinite plate under tension

Submitted by vinay kumar B A on
research
fracture mechanics

 

hi.

 

  I am working on " crack emanating from a circular hole in anisotropic medium".  now i got the K1 ( SIF`s) using complex stress potential method. Now i want to represent the results in the form of stress field around the crack.

  i am unable to find the stress field around this crack.

 

    i request you to hint the procedure to plot the stress fields.



thanking you.



Yours Sincerely

vinay.

 

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