[Trilinos-Users] Tpetra & block matrices (FEM)

[Alicia Klinvex]

Can you describe the problem you're trying to solve and the packages of
Trilinos you intend to use?  (Since BlockCrs is a newer class, not all
packages support it yet.)

On Tue, Feb 9, 2016 at 5:11 PM, Cihan Altinay <c.altinay at uq.edu.au> wrote:

> Great! Do you know what the state of the classes is in the latest release
> (12.4.2), i.e. is it worth for me to switch to using the block classes or
> should I rather wait? I don't mind if the interfaces change as long as they
> are functional.
>
> Thanks again,
> Cihan
>
> On 10/02/16 10:08, Alicia Klinvex wrote:
>
>> Hello,
>>
>> Tpetra still has block support in the Experimental namespace:
>>
>> https://trilinos.org/docs/dev/packages/tpetra/doc/html/classTpetra_1_1Experimental_1_1BlockMultiVector.html
>>
>> We are actively working on BlockCrsMatrix and BlockMultiVector; since
>> they are in the experimental namespace, they may change at any time.
>>
>> Best wishes,
>> Alicia
>>
>> On Tue, Feb 9, 2016 at 4:58 PM, Cihan Altinay <c.altinay at uq.edu.au
>> <mailto:c.altinay at uq.edu.au>> wrote:
>>
>>     Hello,
>>
>>     I was wondering if anyone can shed some light on how they are using
>>     Trilinos with FE-like methods that have block sizes > 1?
>>
>>     I can see from the changelog that BlockCrsGraph, BlockMultiVector
>>     etc. have been deprecated and removed from Tpetra in Version 12.0
>>     but what's the alternative? Do I need to unroll the blocks myself?
>>     Wouldn't that be very inefficient for the solvers?
>>
>>     Thanks,
>>     Cihan
>>
>>     --
>>     Cihan Altinay
>>
>>     Computer Scientist, Centre for Geoscience Computing
>>     eResearch Analyst,  Queensland Cyber Infrastructure Foundation
>>     The University of Queensland
>>     T: +61 7 334 64118 <tel:%2B61%207%20334%2064118> / F: +61 7 334
>>     64134 <tel:%2B61%207%20334%2064134>
>>
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>>
>>
>
> --
> Cihan Altinay
>
> Computer Scientist, Centre for Geoscience Computing
> eResearch Analyst,  Queensland Cyber Infrastructure Foundation
> The University of Queensland
> T: +61 7 334 64118 / F: +61 7 334 64134
>
>
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