[Nek5000-users] Output format of Nek5000 file

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

* Yes the .fXXXXX files are the binary fld files. The ASCII and the old binary format ends with .fldXX.
* Is there any special reason why you want to load the data into MATLAB?
 
 
-----Original message-----
> From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> Sent: Friday 24th February 2017 16:46
> To: nek5000-users at lists.mcs.anl.gov
> Subject: [Nek5000-users] Output format of Nek5000 file
> 
> Hello everyone,
> 
> I have recently started to work with Nek5000, I have few question about the output format:
> 
> -In all the documents available, they talk about .fld file, but I launched the quickstart tutorial, and I got only .f000... data file. Is this the same? 
> 
> -I found a Matlab script that read binary data into Matlab, and the data I received is a matrix of : nel .  N^3 .  fields
> So I guess for each spectral element, and for each field, the file store N^3 numbers, corresponding to the values. But I have read somewhere that you can't mix the equally spaced value with GLL points. So in the binary file I got, what type of mapping is using? GLL abscissas or equally spaced?
> 
> -About GLL points, I got it in 1D, but when it come to 3D, with curved elements, it become a bit complex, do you know where in the program or are there any pre-made tool that map the GLL points coordinates base on coordinate of vertices and curvature? 
> 
> 
> Thank you,
> 
> 
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