[Gmsh] "Wrong number of adaptions" error

[Christophe Geuzaine]

Hi - Indeed, Gmsh does not support variable order elements in the same mesh...


On 11 Dec 2012, at 09:31, Mohamed Moussa <mohamed.moussa89 at gmail.com> wrote:

> Hi again,
> 
> I am trying to visualize a model with two different types of elements,
> the basic 2-node line and the 4-node cubic line. When I try to use
> "Adapt visualization grid" so I can see the deformation of the 4-node
> line, I get "Error : Wrong number of values in adaptation 2 != 4".
> 
> I did some testing and this does not happen when I remove the 2-node
> line elements. It seems its trying to refine the 2-node line when it
> doesn't need to?
> 
> I have attached below a sample *.msh file, which is a simple truss problem.
> 
> Regards,
> 
> Mohamed
> 
> ------
> 
> $MeshFormat
> 2.2 0 8
> $EndMeshFormat
> $Nodes
> 9
> 1 0 0 0
> 2 1 0 0
> 3 2 0 0
> 4 1.5 1 0
> 5 0.5 1 0
> 6 0.333333 0 0
> 7 0.666667 0 0
> 8 1.33333 0 0
> 9 1.66667 0 0
> $EndNodes
> $Elements
> 7
> 1 1 0 1 5
> 2 1 0 5 2
> 3 1 0 2 4
> 4 1 0 4 3
> 5 1 0 5 4
> 6 26 0 1 2 6 7
> 7 26 0 2 3 8 9
> $EndElements
> $NodeData
> 1
> "Displacement"
> 1
> 0.0
> 3
> 0
> 3
> 9
> 1 0 0 0
> 2 0.0214864 -0.152342 0
> 3 0.0429728 0 0
> 4 1.32276e-016 -0.0815428 0
> 5 0.0429728 -0.0815428 0
> 6 0 -0.07335 0
> 7 0 -0.129773 0
> 8 0 -0.129773 0
> 9 0 -0.07335 0
> $EndNodeData
> 
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine