[Gmsh] Reversing normals on a surface, to change the node order in .mshfile

Mark Starnes mark.starnes at fttech.co.uk
Wed Jun 17 14:52:23 CEST 2009


Hi everyone.  I posted this on Monday but on my client, it appeared
nested under another topic...  I'll try again!

I looked for the answer for this, but could only find references to
reversing the normals displayed; not changing the order of the nodes for
a surface element.

My problem is I've a solver that uses node order to define the normal
direction for a boundary element.  The mesh I'm creating is the result
of an extrusion, and the surface elements generated are normal to the
surface, but in the wrong direction (for me!).

Can I click a surface and change it's orientation?

Thanks for this great software!

BR,

Mark 
  
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