[Dune] about assigning different material properties to different sub domains in parallel

Oliver Sander sander at mi.fu-berlin.de
Fri Nov 19 16:46:20 CET 2010


Hi Jayesh!
To be precise: you _can_ do parallel computations with 2d UGGrid.  You 
just cannot
move data along when you load-balance.
Best,
Oliver

Am 19.11.2010 16:18, schrieb Jayesh Badwaik:
> Hi Nagaiah
>
> You said that the parallel computations did not work with UGGrid 2D. 
> Did they work with ALUGRID_SIMPLEX??
> I am right now working on a single computer with ALUGRID_SIMPLEX 
> however, I will soon need to go parallel.
>
>
> Cheers and Regards,
> Jayesh Vinay Badwaik
> ---------------------------------------------------
>
>
>
>
> On Fri, Nov 19, 2010 at 16:30, <dune-request at dune-project.org 
> <mailto:dune-request at dune-project.org>> wrote:
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>     Today's Topics:
>
>       1. about assigning different material properties to different
>          sub domains in parallel (Nagaiah Chamakuri)
>       2. Re: about assigning different material properties to
>          different sub domains in parallel (Oliver Sander)
>
>
>     ---------- Forwarded message ----------
>     From: Nagaiah Chamakuri <nagaiah.chamakuri at gmail.com
>     <mailto:nagaiah.chamakuri at gmail.com>>
>     To: dune at dune-project.org <mailto:dune at dune-project.org>
>     Date: Thu, 18 Nov 2010 16:16:08 +0100
>     Subject: [Dune] about assigning different material properties to
>     different sub domains in parallel
>     Dear DUNE,
>
>     I am trying to add a different material properties to different
>     parts of sub regions in a domain.
>     * *For sequential computations I was successful using DGF format
>     for UG and ALUGRID_SIMPLEX grids in* 2D.*
>
>     for parallel computations I did not success with UG grid. It gives
>     the following error.
>     "Dune reported error: Dune reported error: NotImplemented: load
>     balancing with data attached".
>     (of course ALUGRID does not support parallel computations for 2D
>     domains)
>
>     I think gmsh format also does not support yet.
>
>     Now I am wondering, is there a way to do it for parallel computations?
>
>     Thank you in advance.
>
>     Best Regards
>     Nagaiah
>
>
>     ---------- Forwarded message ----------
>     From: Oliver Sander <sander at mi.fu-berlin.de
>     <mailto:sander at mi.fu-berlin.de>>
>     To: dune at dune-project.org <mailto:dune at dune-project.org>
>     Date: Fri, 19 Nov 2010 09:19:19 +0100
>     Subject: Re: [Dune] about assigning different material properties
>     to different sub domains in parallel
>     Hi Nagaiah!
>     It is as the error message says: load balancing with data transfer
>     is not
>     yet implemented for UGGrid.  Patches are welcome.
>
>     Besides, I don't think your problem doesn't have anything to do with
>     file formats.  Hence switching from dgf to gmsh doesn't make a
>     difference.
>
>     Best,
>     Oliver
>
>     Am 18.11.2010 16:16, schrieb Nagaiah Chamakuri:
>>     Dear DUNE,
>>
>>     I am trying to add a different material properties to different
>>     parts of sub regions in a domain.
>>     * *For sequential computations I was successful using DGF format
>>     for UG and ALUGRID_SIMPLEX grids in* 2D.*
>>
>>     for parallel computations I did not success with UG grid. It
>>     gives the following error.
>>     "Dune reported error: Dune reported error: NotImplemented: load
>>     balancing with data attached".
>>     (of course ALUGRID does not support parallel computations for 2D
>>     domains)
>>
>>     I think gmsh format also does not support yet.
>>
>>     Now I am wondering, is there a way to do it for parallel
>>     computations?
>>
>>     Thank you in advance.
>>
>>     Best Regards
>>     Nagaiah
>>
>>
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>>     Dune mailing list
>>     Dune at dune-project.org  <mailto:Dune at dune-project.org>
>>     http://lists.dune-project.org/mailman/listinfo/dune
>>        
>
>
>     -- 
>     ************************************************************************
>     * Oliver Sander                ** email:sander at mi.fu-berlin.de  <mailto:sander at mi.fu-berlin.de>         *
>     * Freie Universität Berlin     ** phone: + 49 (30) 838 75348           *
>     * Institut für Mathematik      ** URL  :page.mi.fu-berlin.de/~sander  <http://page.mi.fu-berlin.de/%7Esander>   *
>     * Arnimallee 6                 ** -------------------------------------*
>     * 14195 Berlin, Germany        ** Member of MATHEON (www.matheon.de  <http://www.matheon.de>)   *
>     ************************************************************************
>          
>
>
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-- 
************************************************************************
* Oliver Sander                ** email: sander at mi.fu-berlin.de        *
* Freie Universität Berlin     ** phone: + 49 (30) 838 75348           *
* Institut für Mathematik      ** URL  : page.mi.fu-berlin.de/~sander  *
* Arnimallee 6                 ** -------------------------------------*
* 14195 Berlin, Germany        ** Member of MATHEON (www.matheon.de)   *
************************************************************************

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