iMechanica

Halmstad University (Sweden) is looking for young researchers to join our research groups in embedded and intelligent systems, specifically for intelligent vehicles in joint work with Volvo Technology in Gothenburg. Two positions are currently open: one with a focus on vehicle diagnostics, maintenance and uptime, and one with a focus on autonomous vehicles.

A Ph.D. position has recently become available in my research group (www.eng.uwyo.edu/mechanical/research/frick/), to explore thermo-mechanical
behavior of shape memory polymers for biomedical applications.  A
strong candidate with a M.S. or B.S. degree in Mechanical Engineering,
Materials Science, or a related discipline is required.  A good
academic record, a clear interest in experimental sciences, and an
enthusiasm to conduct outstanding research are the only prerequisites.

Does anyone have experience using poroelasticity model? I dont underestand the abaqus model -the logarithmic bulk modulus and.., where are these coming from?Is anyone knows a reference book to link those?

Hello everyone, I am useing the CZM method researching the dynamic crack propation problem in composites,so I must have the UEL OR VUEL of cohesive zone elements in ABAQUS or other FEM software,at this moment,  i have a UEL of ABAQUS,so i have a question ,if i want to simulate the dynamic crack problem, can i use the UEL? Or must write my VUEL?

Everyone answer is welcome

If some people have the same researching plan ,we can communicate each other!

EMAIL:liuluguangwindows@msn.cn

Thanks

I have a question, for the same metal material, when will the elastic modulus will be changed? in another words, in what kind of processing or machine condition will the elastic modulus be changed? for example, to machine elements(gear, bearing ...), when the part surface is case hardened,will the elastic modulus be changed? if not, how can the difference of hardness between case hardened surface and without hardened substrate be reflected in FEM analysis? how can the case hardened surface parameters affect the contact stress when two part are brought to contact?

dear all

i am trying to model droplet impact and spreading and i am thinking of using comm code CFX for this purpose

Can CFX handle this sort of problem?  or if some one  can help me out with an alternate

thanks

Hi,

Are there researchers working on specific areas in offshore structures? Or is anyone covering the material behaviour of structures at elevated temperatures? I am indeed challenged to read about excitng contributions from different scholars expecially in structural mechanics. I realise I have just begun a race in research. You could help me gain the proper direction in research.

I shall be glad to get any response. 

Emmanuel

Let me present to you - the Worldwide EAP Newsletter (http://ndeaa.jpl.nasa.gov/nasa-nde/lommas/eap/WW-EAP-Newsletter.html).

N/A

Hello fellow researchers,

I am almost completing my first year in research study and am finding it difficult running my structural simulation in ABAQUS once I have included non-linear geometric effects. I didn't have problem with the simple heat transfer analysis. I have also converted (--) to the true stress-logarithmic strain curves at elevated temperatures using the empirical model given in EC3, yet no good outcome. Can anyone suggest to me how I could go about it?

Comments will be gratefully appreciated.

Emmanuel  

The classic problem  in the area of High velocity Impact by Taylor...

Rohith

Hi ,

I am working with finite strain finite element formulation. Normaly, the weak form is derived from equilibrium at a reference configuration or differential of 1st piola-kirchoff stress tensor. In case, we have 10 steps of load increment, is it necessary to update nodal position or nodal coordinate for each step??. I am using newton-raphson method.  

best regards,

sugeng

I thought the mechanics community would be interested in the course notes of
Prof. K. J. Bathe on "Finite Element Analysis of Solids and Fluids". This
course was taught at MIT and now is available freely through MIT Open
CourseWare website:

http://ocw.mit.edu/courses/mechanical-engineering/2-094-finite-element-analysis-of-solids-and-fluids-spring-2008/

Enjoy!

Held in Seattle, Wa/ Feb 2010

I would like to call your attention to a special Issue on "Polymer Nanocomposite Processing, Characterization, and Applications" scheduled to be published in the Journal of Nanomaterials in May 2010. The Call for Papers can also be viewed at the journal website at http://www.hindawi.com/journals/jnm/si/pnca.htm. The deadline for manuscript submission is November 1.

Article on web

http://www.eng-tips.com/faqs.cfm?fid=1441

The physical basis of material
properties like Young's modulus can be understood by examining
materials on the atomic scale. There are two main things that influence
the value of the modulus:

1.)     The atomic microstructure
2.)     The interatomic bonds.

 So, what is the reason of change of elastic modulus with plastic deformation? Any References??

A post-doc researcher position is available from Sept 2009. Please contact Prof. John Wen at the Univerity of Waterloo.  (jzwen@uwaterloo.ca)

Dear all,

It is well known that the wall-to-wall interactions play a great part in the deformation of MWCNTs. At the first glance, I thought the pressures, duing to van der Waal interaction, on the inner tube and out tube should be proportional to their radii inversely, because this interaction is a kind of action and reaction. BUT actually it is not the case, as illuminated in our paper published in APL, although this two pressures are both functions of the radii, they are not inversely proportional to the radii.