geopdes-users

[Geopdes-users] Recommendation of two functions

[fei d. <fei...@gm...>]

Dear GeoPDEs users,
As we all know, it is essential for us to compare the analysis results
obtained from GeoPDEs and another commercial FEA software, for example,
ABAQUS, to see how do IGA and GeoPDEs give a better analysis result than
classical FEA.
The displacement of a specific point is usually too small to compare and
what we often do is to compare the stresses of the same point in the two
results obtained from GeoPDEs and ABAQUS respectively to see which one is
more close to the experimental result or theoretical result.
Unfortunately, the current release of GeoPDEs does not have a function to
figure out the stress components of the nodes in the domain.
I recommend that two functions should be added  into GeoPDEs in the next
release and we can download from SVN as soon as possible. One is the
function that figure out the stress components of the nodes in the domain
and the other is the function to export the stress components to VTK format
for plotting.
Thanks a lot.
Best regards.

Re: [Geopdes-users] Recommendation of two functions

[Rafael V. <va...@im...>]

Dear Fei Duan,
thank you very much for your suggestion. I agree with you that it would 
be nice to have the functions to compute the stress components and to 
export them in VTK format. I will try to add those for the next release, 
but since I don't have so much time to develop the code these days, it 
may take some time.

But if you want (or any other user wants) to implement those two 
functions, and to share them with the other users, I would be happy to 
give you some support.

Regards,
Rafael Vazquez

Il 16/11/2011 19:05, fei duan ha scritto:
> Dear GeoPDEs users,
> As we all know, it is essential for us to compare the analysis results
> obtained from GeoPDEs and another commercial FEA software, for example,
> ABAQUS, to see how do IGA and GeoPDEs give a better analysis result than
> classical FEA.
> The displacement of a specific point is usually too small to compare and
> what we often do is to compare the stresses of the same point in the two
> results obtained from GeoPDEs and ABAQUS respectively to see which one is
> more close to the experimental result or theoretical result.
> Unfortunately, the current release of GeoPDEs does not have a function to
> figure out the stress components of the nodes in the domain.
> I recommend that two functions should be added  into GeoPDEs in the next
> release and we can download from SVN as soon as possible. One is the
> function that figure out the stress components of the nodes in the domain
> and the other is the function to export the stress components to VTK format
> for plotting.
> Thanks a lot.
> Best regards.
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