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Resume writing of plt files - Tecplot Talk

Resume writing of plt files

Creating Tecplot binary data files

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zonexo
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Resume writing of plt files

Postby zonexo » Thu Jul 07, 2016 7:32 pm

Hi,

I am using the tecio library to write out binary plt files. I'm using domain decomposition so each plt file writes grids for each processor. So if there's 100 procs, there's 100 files. each plt write the x,y,z,u,v,w,p for its own grids for the entire simulation time.

now the domains get larger and but my cluster has a runtime limit of 24hrs for each job. using the available procs, I am not able to finish my job in 24hrs. however, if the job is stopped before the job finishes, i only get some tp**** files of tecplot files and i can't resume it.

Is there anyway to solve this problem? so I can save the tecplot file halfway when the job ends and resume again with a new job.

thanks!

evanstark
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Re: Resume writing of plt files

Postby evanstark » Sat Jul 22, 2017 1:11 pm


zonexo
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Posts: 59
Joined: Mon Feb 11, 2008 8:57 pm
Location: Singapore
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Re: Resume writing of plt files

Postby zonexo » Thu Oct 12, 2017 9:41 pm

Hi,

Sorry for the late reply as I haven't login for quite a while.
I managed to solve the problem in 2 ways:

1. use tecplot new tecio MPI to write out szplt files in parallel
2. rewrite your subroutine to send all data to one procs to write out a single plt file

I think it's better this way, rather than 1 plt file per procs. Moreover, using the new mtd, you will not get discontinuity error at the interface between procs. I have this problem earlier, not sure about you.

Hope it helps.


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