[Geoqus] Calculix

[Fabio A. Capitanio]

sei un mito.
mandane una copia a guido dhont, vedrai che si sensibilizza...
dove sei?

On 17 Sep 2005, at 2:48 PM, Gabriele Morra wrote:

> Dear geoqus members,
>   I think it could be of general interests for all of you to know
> that there is a free source code, called Calculix, which reproduces
> the mechanical implicit solver of abaqus and performs substantially
> the same for geodynamic application. I tested it during few months
> and I found that one obtains exactly the same results of ABAQUS for a
> general 3-dimensional simulation of visco-elastic creep and visco-
> elastic plate bending. Given that it is open source and the input
> file of Calculix is the same file.inp of abaqus, it would be great if
> others would try to use it and test it.
>
> For my work this is a long step forward, because I developed a
> coupled BEM-FEM algorithm, somehow complicated to implement with
> abaqus employing the user-subroutines. Therefore now I am extracting
> from Calculix the routines that are useful for Geodynamics
> applications: viscoelastic creep, three-dimensional three-quadratic
> elements, the implicit solver, and most important the large strain
> formulation. The code is indeed much larger and mostly written in
> fortran 77. I am trying to embed or rewrite the useful routines in a
> Python framework in which I already wrote the BEM code.
>
> If anybody is interested in this porting to geodynamics of the FEM
> code, it would be great to benchmark and test it together. To have
> substantially an open source version of ABAQUS can be a breakthrough
> for geo-mechanical applications in geoscience.
> The code is developed by a German Mechanical Engineer (Guido Dhondt).
> The source and the documentation can be downloaded from the web-sites
> www.calculix.de or www.dhondt.de.
>
> Regards
> Gabriele Morra
> ETH Zurich
>
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>
______________________________________________
Fabio Antonio Capitanio
Institut fuer Geophysik
ETH Hoenggerberg (HPP)
CH-8093 Zuerich
phone: 	+41-1-6332622
fax:   	+41-1-6331065
e-mail: 	capitanio at tomo.ig.erdw.ethz.ch
web:	www.sg.geophys.ethz.ch/geodynamics/fabiocap/
______________________________________________