Blog posts

VUMAT Error

Submitted by priyadd84 on Wed, 08/24/2011 - 05:44

Hi all ... I did a simple one element elastic simulation of VUMAT and everything
(force balance) is fine.My aim is to change
young's modulus during runtime using strain rate data. So i want to
write VUMAT for the elastic model only and plastic model
(Drucker-Prager) and damage models i want to use the inbuilt one. But
when i tried to run *drucker prager along with my VUMAT i got the
following error.

The option *user material,type=mechanical completely
defines the material behavior. It can not be used with an option that

VUSDFLD + Error in connection to analysis

Submitted by priyadd84 on Wed, 08/24/2011 - 05:43

Hi all ... Am trying to run a model with VUSDFLD+vgetvrm to get
strain components from the odb. But am getting an error "ERROR in job
messaging system: Error in connection to analysis". If someone can point out a
possible reason for this error, that may help me to resolve the issue.
Also if anybody is interested in looking the problem more closely , I
am open to sending the source files. thank you.

Priya

Crack initiation and growth using abaqus XFEM

Submitted by vishnukmd7 on Wed, 08/24/2011 - 03:47

education

I'm working on fracture mechanics for my undergraduate project. My advisor has asked me to simulate the crack growth in a CT specimen using ABAQUS. When searching for tutorials about XFEM based crack growth, I found these: http://www.matthewpais.com/2d-crack-initiation

Now my problem is that even though I did everything the tutorial asks me to do, when I submit the job, I'm getting a zero element size error. Can Anyone help me with this?

Any kind of help regarding this topic will be high appreciated.

H180Y

Submitted by behzadhemmati on Tue, 08/23/2011 - 15:37

I'm modelding the RSW process and need to temperature-dependant material properties of H180Y steel grade according to EN 10268.

can anyone help me?

postdoc fellow position on modeling and simulation of stress and corrosion induced crack and failure in metals and alloys

Submitted by dongqian on Tue, 08/23/2011 - 14:38

job

stress corrosion cracking

Reversible nanopore formation in Ge nanowires during lithiation-delithiation cycling: an in situ TEM study

Submitted by Jianyu Huang on Tue, 08/23/2011 - 00:14

pore memory effect (PME)

reversible volume change

Nano Lett. 2011, DOI: 10.1021/nl2024118

Postdoctoral Fellow - Geomechanical Modelling, Perth, Australia

Submitted by Andrew Bunger on Mon, 08/22/2011 - 23:39

CSIRO division of Earth Science and Resource Engineering is seeking a Postdoctoral Fellow to develop a coupled Thermo-Hydro-Chemo-Mechanical (THCM) reservoir model for application to Engineered Geothermal Systems. To read the position details and to apply please visit this link: http://csiro.nga.net.au/?jobID=2aac9739-a118-8730-e510-64c65b15c683&audienceTypeCode=INT&appJobAd=1

Abaqus scripting - variable is unavailable

Submitted by yentlswolfs on Mon, 08/22/2011 - 12:25

Hi guys,

Open source finite element code that deal with contact....

Submitted by rezneffix on Mon, 08/22/2011 - 09:26

I am looking for any open source finite element codes that may be out there that deal with contact mechanics.

Two Post-doctoral researcher positions available

Submitted by barbarossapao on Mon, 08/22/2011 - 03:25

job

molecular simulation

TWO post-doctoral researcher positions are available immediately at Academia Sinica in Taipei, Taiwan.

We are looking for candidates who are interested in the following projects

1) Molecular simulations of hydrophobic surface

2) Molecular simulations of novel power-storage materials

Candidates must have experiences in molecular simulations or ab initio calculations. For experienced candidates, the annual salary could be over $30,000 USD.

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