research

I am trying to run an XFEM analysis which consists of assembly of more than 20 instances. I am getting the error, ABAQUS CANNOT ALLOW MORE THAN 20 ENRICHMENT REGIONS IN ONE MODEL. Is there anything I could do? I need to define XFEM cracks (Special>Cracks>Crack Manager> Create > XFEM Crack )for all the 30 parts assembly.

Please assist.

Elastica arm scale

Submitted by Davide Bigoni on Fri, 08/08/2014 - 09:33

configurational forces

Can configurational forces be exploited to design a new type of scale?

See the explanation and an example of use at http://www.ing.unitn.it/~bigoni/elasticscale.html

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stress at a point other than integration points in VUMAT/UMAT

Submitted by liebealt on Tue, 08/05/2014 - 09:21

research

VUMAT/UMAT

interpolation

Hi all,

The question is how can the stress at a point other than integration points be evaluated in VUMAT/UMAT. Interpolation may be a general method. However, to me, it seems not so easy to be implemented, for I have no idea of the way to retrieve the necessary information of all integration points (their indexes, positions etc.) belongint to a identical FE. Any help would be appreciated.

Journals

Submitted by Mirkhalaf on Mon, 08/04/2014 - 13:17

research

New shear lock free finite elements with arbitrary higher order derivative

Submitted by psubbu2000 on Sun, 08/03/2014 - 10:59

A set of highly efficient and shear lock free finite elements based on Timoshenko beam and Reissner-Mindlin plate theories has been developed for the analysis of thin and thick structures. These elements have arbitrary higher order derivatives and do not require any spcial integration scheme. All are isoparametric elements.

P.Subramanian