Re: 2D Periodic Grid in Parallel

[Jonathan Smyth]

Jon,

Thanks very much for getting back to me. I'll continue trying to find a work 
around myself and will let you know if I make any progress.

Many thanks,
Jonathan

From: fipy-boun...@nist.gov  on behalf of Guyer, 
Jonathan E. Dr. (Fed) 
Sent: Monday, September 25, 2017 3:34:52 PM
To: FIPY
Subject: Re: 2D Periodic Grid in Parallel

Jonathan -

I see what you're talking about. Fixing (or even working around) has proven 
elusive so far, but I'm working on it.

- Jon

> On Sep 20, 2017, at 10:02 AM, Jonathan Smyth  wrote:
>
> Hello,
>
> I am working on a 2D simulation of the drift-diffusion model for 
> semiconductors, and I'm having some difficulty with 2D periodic boundary 
> conditions when running in parallel. It seems that when using PeriodicGrid2D 
> in parallel each "chunk" of the mesh becomes periodic rather than the whole 
> mesh being periodic, which causes some strange results.  Since the mesh is 
> broken up into horizontal slices when in parallel, only the top-bottom 
> boundaries are affected by this. Is there any sort of work around for this 
> problem?
>
> Many thanks,
> Jonathan
> ---
>
> Jonathan Smyth
> Atomistic Simulation Centre
> School of Maths and Physics
> Queen's University Belfast
> ___
> fipy mailing list
> fipy@nist.gov
> http://www.ctcms.nist.gov/fipy
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Re: 2D Periodic Grid in Parallel

[Guyer, Jonathan E. Dr. (Fed)]

Jonathan -

I see what you're talking about. Fixing (or even working around) has proven 
elusive so far, but I'm working on it.

- Jon

> On Sep 20, 2017, at 10:02 AM, Jonathan Smyth  wrote:
> 
> Hello,
> 
> I am working on a 2D simulation of the drift-diffusion model for 
> semiconductors, and I'm having some difficulty with 2D periodic boundary 
> conditions when running in parallel. It seems that when using PeriodicGrid2D 
> in parallel each "chunk" of the mesh becomes periodic rather than the whole 
> mesh being periodic, which causes some strange results.  Since the mesh is 
> broken up into horizontal slices when in parallel, only the top-bottom 
> boundaries are affected by this. Is there any sort of work around for this 
> problem?
> 
> Many thanks,
> Jonathan
> ---
> 
> Jonathan Smyth
> Atomistic Simulation Centre
> School of Maths and Physics
> Queen's University Belfast
> ___
> fipy mailing list
> fipy@nist.gov
> http://www.ctcms.nist.gov/fipy
>  [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ]


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