On Thu, Jun 9, 2016 at 4:01 PM, Bhalla, Amneet Pal S <amne...@live.unc.edu>
wrote:

> Hi Folks,
>
>
>
>
>
> I am trying to import a 2d mesh that I created in trelis to libmesh, but I
> am getting error of the type
>
>
>
> File opened successfully.
>
> Exodus header info retrieved successfully.
>
> Found 1 QA record(s) in the Exodus file.
>
> QA Record: 0
>
> CUBIT
>
> 15.1.4
>
> 06/09/2016
>
> 14:38:49
>
> Detected Cubit major version 15
>
> Title: cubit(js-debug-mgsmoothers/examples/IBFE/explicit/ex0/ellipse.e):
> 06/09/2016: 14
>
> Mesh Dimension: 3
>
> Number of Nodes: 666
>
> Number of elements: 532
>
> Number of elt blocks: 1
>
> Number of node sets: 0
>
> Number of side sets: 0
>
> Nodal data retrieved successfully.
>
> Nodal numbering map retrieved successfully.
>
> [0] node_num_map[i] = 218, 219, 487, 486, 220, 488, 221, 489, 222, 490,
> ... 866
>
> All block IDs retrieved successfully.
>
> All block names retrieved successfully.
>
> Element numbering map retrieved successfully.
>
> [0] elem_num_map[i] = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ... 532
>
> Reading a block of 532 SHELL4(s) having 4 nodes per element.
>
> Info retrieved successfully for block: 0.
>
> Connectivity retrieved successfully for block: 0.
>
> ERROR! Unrecognized element type_str: SHELL4
>
>
>
>
>
> I do see QUAD elements in trelis, but somehow they are imported as SHELL4
> in the exodus file. Any suggestions?
>

​You can use the command line​ and do: block <id> element_type QUAD4
where <id> is the block id you will be changing the element type on.

If is also possible via GUI, where you need to select the block, and than
pick the element type in a drop down block, but I prefer the command line...

Then export the mesh and it should properly.

Note that if you needed 2nd order variables, you would need to use QUAD8 or
QUAD9...
--
David




>
>
>
> P.S: The geometry is simple 2D elliptical annulus.
>
>
>
> Thanks,
>
>
>
> — Amneet
>
> =====================================================
>
> Amneet Bhalla
>
> Postdoctoral Research Associate
>
> Department of Mathematics and McAllister Heart Institute
>
> University of North Carolina at Chapel Hill
>
> Email: amn...@unc.edu<mailto:amn...@unc.edu>
>
> Web:
> https://urldefense.proofpoint.com/v2/url?u=https-3A__abhalla.web.unc.edu&d=BQIGaQ&c=54IZrppPQZKX9mLzcGdPfFD1hxrcB__aEkJFOKJFd00&r=3VAyeCMeLVVC6uUgEL2ffJ0a2Q62YeuUUIYP8elb-II&m=K094MCKdVcKEFfV8SDhbrHys0if8Ow3BKVloVcq4_Yg&s=KSOHUZtkHOYVmtfUFbR5E-mk6NGnWd2wvmL5pFKblBc&e=
> <
> https://urldefense.proofpoint.com/v2/url?u=https-3A__abhalla.web.unc.edu_&d=BQIGaQ&c=54IZrppPQZKX9mLzcGdPfFD1hxrcB__aEkJFOKJFd00&r=3VAyeCMeLVVC6uUgEL2ffJ0a2Q62YeuUUIYP8elb-II&m=K094MCKdVcKEFfV8SDhbrHys0if8Ow3BKVloVcq4_Yg&s=uD4hEkcY9gog7UJv8eWPBzSa_rQp9hJqg7V_teI_RNE&e=
> >
>
> =====================================================
>
>
>
>
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