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phase change

Opening for a Sr CFD/FEA Modeling Engineer at Medtronic

Here is the link:

http://bit.ly/1woJzOp

Requisition ID:95396

Experience with phase-chase modeling or FSI is a plus.  

Please feel free to forward this posting to potential candidates.  Thanks!

Model steel phase change and residual strain and stress using abaqus

 

Hi, I'm a Mechanical Engineering student and I need to learn how to create a simulation of the martensitic transformation as a result of quenching of steel using Abaqus.

I'm just trying to get as much information as I can on my own but I want to ask for some advise; at this time what I have found is that I may need to use some Abaqus user subroutines as UMAT or VUMAT ir order to succed on the simulation but I want to know if theres any other way to avoid using them.

Nonlinear Heat Transfer Analysis of The Laser Deposition Process

We present an interesting application of ADINA for simulating the Laser Engineered Net Shaping (LENS) process, widely used for rapid prototyping in different industries:

http://www.adina.com/newsgH68.shtml

Please recall that we offer a very attractive academic package, for research and teaching, for university users. For more information see:

http://www.adina.com/educ.shtml

Modeling heat transfer involving a phase change (ice to water) using Abaqus

I'm modeling the transient heat transfer of a cooler with an ice pack in it. How does one accurately model the phase change of the water? Here's what I've tried so far:

 1. Added latent heat property to material card. Used Latent heat = 334 kJ/kg, Solidus Temp = 0, Liquidus Temp = 0

   Result: Error, Solidus and Liquidus temps cannot be equal

 2. Solidus temp = -0.01, Liquidus temp = 0.01

   Result: Analysis ran, but diverged very early in the analysis.

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