Blog posts

ANSYS error

Submitted by Hamid Keshavarzi on Sun, 04/03/2011 - 15:00

Hi everyone

A NASA paper demand

Submitted by Hamid Keshavarzi on Sun, 04/03/2011 - 06:53

research

Hi everyone

I need a NASA article and I have few information about how to get access to it. Here is its title and hyperlink.

"Buckling loads of stiffened panels subjected to combined
longitudinal compression and shear: Results obtained with PASCO,
EAL, and STAGS computer programs,TROUD, W J | GREENE, W H | ANDERSON, M S"

modelling weld joint in ansys

Submitted by nepal1 on Sat, 04/02/2011 - 13:36

anybody please help me to model the weld joint in ansys.or Are there any such tutorial to model such joints?

high strain rate in MD simulations

Submitted by Azadeh Sheidaei on Sat, 04/02/2011 - 02:37

Dear All,

Recently I have read some literatures on Molecular simulation of polymer. My interest is measurement of

mechanical properties of polymer through the uniaxial tensile test.

I have a question about relatively large time scales in MD simulations of polymer and how to interpret MD

stress-strain results for FE modeling. In particular, in the literature it is mentioned that strain rate of

Incompatibility between UMAT and varied versions of Abaqus

Submitted by weidongli on Fri, 04/01/2011 - 18:00

Hi everyone,

     I encountered a problem while runing a UMAT in Abaqus 6.9, which
kept aborting with a systme error code 693. The UMAT is wriiten in
Abaqus 6.5 and prove runing well in 6.5. But when putting it in 6.9, it
always failed. I can not figure out what going on there. Do you have
good ideas?

     The error message is like

    The system erro code 693

Computational impact, friction and contact mechanics. the Siconos software

Submitted by vacary on Fri, 04/01/2011 - 07:41

Dear colleagues,

For people interesting in the simulation of solids mechanics with impact contact and friction, we are pleased to announce a new release of the Siconos software. The software is open-source, under GPL Licence and can be found at http://siconos.gforge.inria.fr/

Journal Club Theme of April 2011: Adhesion of Thin Membranes and Shells

Submitted by Kai-tak Wan on Fri, 04/01/2011 - 04:53

research

Pin joint modeling using Continuum Plane Stress

Submitted by Mehdi Naderi on Wed, 03/30/2011 - 18:20

education

Composite modeling

Dear All,

I will appreciate if you answer my question.

I modeled a 2D pin joint in ABAQUS using USDFLD to apply failure criteria.

I used CPS4 element for (0/90)s. As you know, the elements of both two layers completely overlap.

Abaqus gives a cotour of all layers together (bothe 0 and 90 deg.). How I can only, for example, see the contour of 90 deg. ply or only 0 deg. ply?

In the output plots, how can i see stress or any field variable output for each layer?

Regards,

Mehdi

Finite element simulation of substrate and film

Submitted by Lang Zhou on Wed, 03/30/2011 - 10:58

thin film

finite element

Hello Everybody here :

I am going to use ANSYS to do some finite element simulations of interface crack between

substrate and film and the residual stress of substrate and film. I don’t how to define the interface of the substrate and film in finite element model. How to connect the substrate and film? Just glue the substrate and film or use other element to deal with it? Thanks a lot.

Mechanical Vibrations textbook

Submitted by nithesh on Wed, 03/30/2011 - 07:21

education

Mechanical Vibrations

Please recommend a good undergraduate textbook for 'mechanical vibrations'...

Thanks in advance.

14th april 2011 <UPDATE>

what a hypocritical website this is.... almost 200 reads and not one comment. high academic qualifications of most members seems to be creating an elastic sheath of EGO!

Thanks for reading this too. :)

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