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Modeling SMAs in ABAQUS

Submitted by alinojumi on

Hi Dear fellow Mechanicians

I am Ali Nojoumi a M.Sc. Civil engineer and I'm modleing shape memory alloys using in concrete shear walls to reduce the effects of earthquakes...

making my Model by ABAQUS, I should use UserSubroutine to define such SuperElastic behavior How can I manage that and   have anyone ever done this?

I would be glad to have your suggestions or any contribution.

thanks alot; AliNojumi@GMAIL

A 1st step to super-strong carbon materials? 'Graphene oxide paper', Nature July 26 issue

Submitted by Rod Ruoff on

http://tinyurl.com/2ud2wn

Long URL: (http://www.scitizen.com/screens/blogPage/viewBlog/

sw_viewBlog.php?idTheme=5&idContribution=907

&PHPSESSID=c9ee7a1c644fb35c57fab30f6e0aafdf)

The above was written for the interested layperson who wants to learn more about science. It provides some context for our manuscript that has recently appeared in Nature.

Johnson Cook Mathematical model

Submitted by balappa on

Dear friends,

 Can anybody give me information/Website/papers/... on below mentioned topic ??

on Johnson Cook plasticity model with analytical forms of the hardening law and rate dependence. I am trying to use this in my high-strain-rate transient dynamic simulations (metals). I am using ABAQUS as analysis tool. 

 

Thanks a ton in advance !

 

-Balappa Bhairnatti.

Tooltech Deutschland

Munich. 

Jobs: advertised and applied for

Submitted by Ajit R. Jadhav on

In this thread, I intend to create a record of all the job applications related to CAE (teaching, research or application engineering) and/or software development for the same (research or application engineering) that I have made, and responses, if at all any, that I have got. (Jobs involving a component of management are included.)

CALLING ALL STUDENTS! (and everyone else)

Submitted by yoursdhruly on

Recently, Prof. Suo and several of us students have been discussing the possibility of increasing student presence and activity on iMechanica . With this in mind, two of us: Mahdi Kazemzadeh and I, have identified three important issues we would like to get your thoughts on. Please comment and let us know what you think, even if you are not a student. Also, if you wish to add any more issues you think we should look at, please post your thoughts in this regard as well.