[Gmsh] Representation of moment of beam

[Christophe Geuzaine]

Corrado Chisari wrote:
> Christophe Geuzaine wrote:
> 
>> Corrado Chisari wrote:
>>> There's a possibility to plot the real moment of a beam, without 
>>> linear interpolation? when a distributed load acts on the beam, the 
>>> representation should be parabolic, not linear. I thought I could use 
>>> the plugin "evaluate", but it works for nodes, while I need to change 
>>> the interpolation, not node values.
>> use 2nd order interpolation (3-node line elements)?
>>
>>
>>> Thank you for your wonderful program, especially for geometry module 
>>> which is much much better than everything I saw in commercial FEM 
>>> programs!
>>> Corrado Chisari
>>>
>>> Michele Mocciola wrote:
>>>> / I would like to represent moment of a beam like a
>>> />/ curve line referred to the beam ( points on the beam
>>> />/ are zero values and distance between the curve and the
>>> />/ beam is the moment value ).
>>> />/ How can I get it?
>>> /
>>> In recent nightly builds you can use the "Normal raise" option (in 
>>> Options->View->Offset)
>>>
>>>
>>>
>>>> / Thanks.
>>> />/ />/ />/       
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>>
> 
> I can't use 3-node line elements in my solver (Code Aster)...by all 
> means, it shouldn't be necessary to use 2nd order beam elements, because 
> 1st elements are exact in static linear analysis. Any other suggestions?

Maybe I don't understand your question. If you have a single line 
element with vector nodal values (1 vector associated with each 
extremity), we cannot represent anything else that the linear 
interpolation over the element...




> Thank you,
> Corrado Chisari
> 
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> 
> 


-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine