edge3 versus edge2 #17039
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by
GiudGiud
dealmeidavf
asked this question in
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edge3 versus edge2
#17039
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This input [Mesh]
[1d]
type = GeneratedMeshGenerator
dim = 1
nx = 4
xmin = -5
xmax = 5
elem_type = edge3
[]
[]
[Variables]
[u]
order = second
family = lagrange
[]
[] will not run unless
What is the difference between |
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Answered by
GiudGiud
Feb 17, 2021
Replies: 1 comment 1 reply
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For second order variables you need a second order mesh. |
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Answer selected by
dealmeidavf
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For second order variables you need a second order mesh.
Specify
second_order = true
in the [Mesh] block directly then you dont need to specify the elem_type for it to work I thinkThe difference is the number of dofs on the edge.