Visualization of orientations and local coordinate systems
by N. Tardieu, EDF R&D / AMA
When using certain finite elements or some models, it is essential to orient them. This is essential:
- to correctly specify the orientation of a section of a beam which does not have rotational symmetry (for example an angle);
- to define the local coordinate system of a shell where its efforts are expressed;
- to set the orientation of an orthotropic material.
It is a tricky task for which the verification was difficult.
A new feature has been added to Code_Aster to allow visual validation of this data.
It is now possible to print the local coordinate systems in the MED format MED for :
- Beams;
- Plates and shells;
- Continuum elements.
This feature can be used with the IMPR_RESU/CONCEPT command (already mentioned in this news) adding REPERE_LOCAL=’OUI’:
IMPR_RESU(FORMAT='MED',
CONCEPT=_F(CARA_ELEM=cara,
REPERE_LOCAL='OUI',
MODELE=model,),);
3 vector fields are written in the MED file, each one being a component of the local coordinate system. The simultaneous display of these three fields allows the visualization of these coordinate systems on each element.
Available in the version 11.2.17 and later
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