[Gmsh] 1D elements with 2D mesh

[Bill Greene]

This seems like it might be a newbie question but I can't find an
answer in the docs or previous postings.

If I create a simple square surface and push the 2D Mesh
button, I get a nice triangular mesh. But when I save this
mesh, as an abaqus file for example, I get both 1D and 2D
elements included.

How do I tell gmsh not to include these 1D elements in my
2D mesh?

Thanks.

Bill Greene
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