Re: [Libmesh-users] GMSH read - bad EDGE2 elemtype for second order approximation

[Roy S. <roy...@ic...>]

On Thu, 16 Nov 2017, John Peterson wrote:

> I think you need to run gmsh with a special option (maybe "-2") to make
> sure that you get EDGE3 elements. Those are required for using SECOND,
> LAGRANGE finite elements.

Alternatively, if you have a mesh object with lower-order elements,
you can convert them in libMesh to higher-order elements using

mesh.all_second_order();
---
Roy