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Post-doctoral Position in Multiscale Modeling at Caltech

Submitted by bhatta@caltech.edu on
job
The Center for the Predictive Modeling and Simulation of High-Energy Density Dynamic Response at the California Institute of Technology seeks a post-doctoral scholars in the broad area of multiscale modeling of materials.  The scholar will be supervised by Professor Kaushik Bhattacharya, and will develop fast multiscale models that implicitly account for the microstructural features during the dynamic deformation of materials.

Stress-induced phase transformation and pseudo-elastic/pseudo-plastic recovery in intermetallic Ni–Al nanowires

Submitted by Vijay Kumar Sutrakar on
research
molecular dynamics
shape memory
elastic modulus
nanowire
Martenistic Phase Transformation
Embedded Atom Method
Pseudo-elastic/pseudo-plastic
Yield stress
B2
BCT

Dear friends,

I want to share our recent research work on NiAl nanowire, which is published in Nanotechnology, IOP publishing. The abstract of the paper is given below. Further details can be found at "Vijay Kumar Sutrakar et al 2009 Nanotechnology 20 295705 (9pp)   doi: 10.1088/0957-4484/20/29/295705"

 

Large deformation and electrochemistry of polyelectrolyte gels

Submitted by Wei Hong on
research
suo group research
large deformation
gel
hong group research
polyelectrolyte

Immersed in an ionic solution, a network of polyelectrolyte polymers imbibes the solution and swells, resulting in a polyelectrolyte gel. The swelling is reversible, and is regulated by ionic concentrations, mechanical forces, and electric potentials. This paper develops a field theory to couple large deformation and electrochemistry. A specific material model is described, including the effects of stretching the network, mixing the polymers with the solvent and ions, and polarizing the gel.

Characterising fracture toughness in epoxy using mechanical fatigue. Help!

Submitted by Kaiyuan on
Forums
Fracture Mechanics Forum

Hi all,

I have taken up this research project/attachment on
"characterising the fracture toughness of epoxy using mechanical
fatigue", and encountered lot's of problems while researching. I'm just
a student, not even in university, but rather still schooling (grade
10), so am completely new to this field, which explains my problem in
understanding all the lit reviews, lecture slides i found online.
Luckily, i found out this site, and would hope that someone can guide
me in the right direction!

EMI 2010 Engineering Mechanics Conference at USC, Los Angeles California, August 8-11, 2010

Submitted by Amar A. Chaker on
conference
Engineering Mechanics
applied mechanics

EMI, the Engineering Mechanics Institute of ASCE, will hold its annual conference on August 8-11, 2010 at the University of Southern California in Los Angeles, CA.   Dr. Roger Ghanem (Department of Aerospace & Mechanical Engineering) and Dr. Amy Rechenmacher (Department of Civil and Environmental Engineering) will be the Co-chairs of the EMI 2010 Conference.

Dynamic Modeling for Viscoelastic material using ANSYS

Submitted by parimal_maity on
research
Viscoelastic

Hello,

I am planing to model a viscolestic material in ANSYS and condition is dynamic.

Could anyone please suggest what are the essential things (i mean datas) required for modeling a viscoelastic material?

For example, If I do the DMA test of viscoelastic materials i can have the modulus data at different frequencies. How to use those data in ANSYS to find out the stress-strain curve?

Thnaks for your kind help

parimal maity

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