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Obtaining Stress Triaxiality in ABAQUS

Submitted by unsrohith on
research

Hi ,

     The latest versions of ABAQUS (6.8 & 6.9) gives an option to obtain the stress triaxiality at the element integration point with the input file command TRIAX. Does any one tried to use this? I used this in my input file but unable to find the respective variable in the .odb file to plot the Triaxiality contour.

 Thanks and Regards,

Rohith

Tiaxiality in unit cell calculation

Submitted by Mohamed H.Miloud on
research
micromechanics and cell calculation

Dear imechanica Members,

I want to make a comparison between the results of a calculation of unit cell model and Gurson but I have a little problem on the triaxiality.
How to use the Riks algorithm in AbaqusCAE that the triaxiality remains constant during the loading of a unit cell?
Thank you for your help.
Best regards

about the multiscale aggregating method (MAD) of Prof. Belytschko

Submitted by phunguyen on
research

Hello all

I have spent a large amount of time trying to undertstand the multiscale aggregating method (MAD) of Prof. Belytschko. Unfortunately, I still can not compltely understand the method. 

If there is anyone here in the forum already gets clear about the method, please help me.

 Phu

Using ABAQUS subroutine (UMAT,VUMAT) to modeling FGM plate

Submitted by mahmoud.k.e on
research
FGM PLATES

Hello every body

I am working on modeling FGM plate in abaqus6.8,i know that it's possible to modeling FGP by using UMAT subroutine for definig variation of material's properties,but i don't know how can i use this subroutine,could you tell me please?

International Journal of Applied Mechanics (IJAM) Vol.2 No.1

Submitted by zishun liu on
research
applied mechanics

Forthcoming papers of International Journal of Applied Mechanics (IJAM) Vol.2 No.1:  

1．“An Alternative Explanation of The Effect of Humidity In Gecko Adhesion: Stiffness Reduction Enhances Adhesion on A Rough Surface”, Bin Chen (McMaster University, Canada) and Huajian Gao (Brown University, USA). 

software for strain field measurement in coupon tension tests

Submitted by schuffe on
research
strain field measurement open source

HI,

i am looking into strain field measurement for coupon tension tests for the purpose of correlation to fea results . a collegue told me that there is an open source project

which calculates strain field from camera images. does anybody know something about it?

Cheers,

schuffe

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