[Nek5000-users] mesh import options

[nek5000-users at lists.mcs.anl.gov]

Can you try again using the latest MASTER on GitHub. We fixed recently an issue importing meshes from ICEM. Not sure if Pointwise works. This is something we need to test. 

-----Original message-----
> From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> Sent: Monday 21st May 2018 11:12
> To: nek5000-users at lists.mcs.anl.gov
> Subject: [Nek5000-users] mesh import options
> 
> Hi all,
> 
> Is exo2nek still the best way to import meshes with relatively complex geometries to nek5000? 
> 
> If yes, can someone please help me out regarding exo2nek import:
> 
> 1. I made my mesh using Pointwise and exported to exodusII format, but exo2nek throws the following error:
> """
> EXODUS: ERROR: Attempting to open the netcdf-4 file:
>     pipe.exo
>     . Either the netcdf library does not support netcdf-4 or there is a filesystem or some other issue 
> ERROR: cannot open file pipe.exo
> """
> 
> 2. I exported exodus from ICEM-CFD, here the error from exo2nek reads:
> """
> element block id   =        1
> element type       = HEX     
> num_elem_in_block  =    24500
> num_nodes_per_elem =        8
> ERROR: Only HEX27 elements are allowed in a 3D mesh!
> num_nodes_per_elem=   8
> Note: The following floating-point exceptions are signalling: IEEE_DENORMAL
> """
> 3. The popular option looks exporting exodus file from Gambit with hex27 elements, however I
> was not able to find Gambit meshing software. Is it open source now or comes in with Fluent? 
> Ive Fluent 18.0 license at my university.
> 
> <br clear="all" />Cheers,
> Vishal
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