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A PHD Research Assistantship is available in the Department of Material Science and Engineering, University of North Texas-Denton in the fields of modeling and experiment of QCM (Quartz crystal microbalance)-based gas sensor. The position will start from Spring, 2016. Candidates should have a Bachelor/Master's degree in engineering mechanics, mechanical engineering or electrical engineering with good academic standing and should have some experiences in the following:

Hi,

I am currently facing difficulties in calibrating abaqus crushable foam model with my experimental results.
I think I am bit confused about what values needs to be input in the model. 
Right now my elastic properties are: E=400 MPa, v=0 (because its crushing)
In plastic under crushable foam I use compression yield stress ratio =1
and hydrostatic yield stress ratio =0.1.

Under crushable foam hardening card (Here I am confused), I convert the engineering stress to true stress using 

(T.stress=E.Stress(1+E.strain))

An intensive three-half-day short course on nano materials will be organized by BICTAM from August 11th to 13th in Beijing this summer.

Dear everyone,

The third issue in 2015 (Volume 5, Issue 4) of Theoretical and Applied Mehcanic Letters (TAML) is now online.

Welcome to this OA journal http://taml.cstam.org.cn or http://www.sciencedirect.com/science/journal/20950349/5/4 for rapid publication of your exciting results. 

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Dear everyone,

The third issue in 2015 (Volume 5, Issue 3) of Theoretical and Applied Mehcanic Letters (TAML) is now online.

Welcome to this OA journal http://taml.cstam.org.cn or http://www.sciencedirect.com/science/journal/20950349/5/3 for rapid publication of your exciting results.

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I need to determine the centre of rotation of the head of the femur and acetabular bones using Abaqus.
How can I find the centre of rotation for a sphere and a concave surface (the head of the femur and acetabulum bones) in Solid Edge?

Thank you.

Dear researchers,

Good mourning, i'll ask a quick and strightforward question abour Abaqus fracture analysis capabilities, in case of a crack in a ductile material, when one want to use arbitrary path crack propagation with XFEM, what's the suitable damage initiation criterion to use for this case?

Hi everyone,

I'm working on UEL and recently I've developed a shell element. To define an element in input file, I'm using counter-clockwise rotation for nodes. When it's just one element everything is good.