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Theoretical Notes (ALE)

Submitted by hmdthr on

Hello,

 I need some detailed informations about topics below:

 Single material ALE

 -Advection schemes

 -Mesh smoothing algorithms

 Multi-material ALE

 -Volume fraction weighted stress

 -Interface reconstruction

 -Moving mesh techniques

 FSI

 -Constraint based method

 -Penalty based method

 -Leakage

Can anybody help me?

Thanks alot

 

Interesting Material: d3o

Submitted by Gopinath Venkatesan on

I came across this web page recently, and it talks about a novel product d3o that can control impact effects by adjusting molecular structure in case of shock loads. If this material becomes a regular apparel material, we may see many Jackie Chans in the future. The material is d3o.

Visit this page to learn more about this material, This is not a SPAM. http://www.d3o.com/index.php

I don't know if you guys knew of this. I guess you do. Is this material really the way it is advertised, or some boasting included?

Looking for suggestions and comments on PhD research Project

Submitted by shengke zhi on

Dear Researchers and Industry Engineers, 

In this letter I am looking for some comments and industrial supports for my PhD research on non-contact measurement for machinery maintenance.

coupling between plasticity and damage

Submitted by nilesh on
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Hello all,

 I am Nilesh and doing
study of Continuum damage mechanics, in that context, I have some doubt s

     Can anyone tell
me?

1. As in plasticity we have yield surface  and in damage we have damage surface  but in this case,  does damage surface working same ( for
isotropic and kinematics damage???? ) Like in isotropic and kinematic
hardening??? I mean expansion and movement for isotropic and kinematic damage
case???

Sih's Strain Energy Density Approach in Fracture - why is it not very popular?

Submitted by yoursdhruly on

Most fracture classes and texts focus on the following different approaches: Griffith's energy approach, Irwin's stress intensity factor approach, the Barenblatt-Dugdale strip yield model (and subsequently, cohesive zone modeling) and Rice's J-Integral approach. As a graduate student studying fracture mechanics, I have often wondered why there seems to be very little discussion in the community with regard to Sih's strain energy density approach. Are there any fundamental limitations to the approach or are there "other" reasons behind this? Your thoughts are appreciated.