[Gmsh] Representation of moment of beam

Corrado Chisari corra85 at tiscali.it
Mon Jan 12 19:39:34 CET 2009


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?
Thank you,
Corrado Chisari