[Geoqus] Calculix

[Gabriele Morra]

sono al piano L. Ora vado a parlare con TAckley che mi ha convocato e  
poi passo a salutarti. Magari ci prendiamo un caffe'

On Sep 19, 2005, at 10:48 AM, Fabio A. Capitanio wrote:

> 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/
> ______________________________________________
>
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