[vtkusers] Finite element data

[João Cunha]

Burlen wrote:

Thanks, Burlen.
I expect to get some time to think about it next weekend and I will come 
back to the list with
solutions or more questions.
João

>Hi Joao, VTK does have the quadratic hexahedra cell type so you will be able 
>to visualize data at the nodes of your cells easily. As far as your other 
>data, there are a few options that I can think of. If have the situation 
>where you can find one value(maybe anaverage) per cell, you can associate 
>that value with its respective quadratic hexahedra cell. Alternatively you 
>could interpolate your vector and or scalar data to quadratic hexahedral 
>nodal locations. Alternatively you could add points and associate either 
>vector data or scalar data with those points. To do this you'd need to 
>transform your local coordinates into global coordinates. I hope this gives 
>you some ideas, or sparks some further discussion.
>Burlen
>
>
>
>
>On Tuesday 24 October 2006 04:45 am, João Cunha wrote:
>  
>
>>I'm working with data from finite element calculations of concrete dams:
>>unstructured grid with quadratic hexahedra cells. Vector displacements
>>are known at the nodes but tensor data are calculated at 8
>>points within each cell ( +/- 0.577 in each direction, in local
>>coordinates).
>>I couldn´t find appropriate methods to deal with this situation, either
>>calculate tensors at nodes or
>>visualizing them directly as provided.
>>I would appreciate any help.
>>Thanks
>>João Cunha
>>    
>>
>
>  
>


-- 
João Duarte Cunha
Investigador-Coordenador
Director do Centro da Qualidade na Construção
jdc at lnec.pt

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