Barry-<br>
Yes, each block is a rectangular portion of the domain. Not so small though (more like 100 x 100 nodes)<br>
<br>
Yaron<br>
<br>
<br>
<br>
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</td><td>-------Original Message-------<br>
From: Barry Smith <bsmith @mcs.anl.gov=""><br>
Subject: Re: Non-uniform 2D mesh questions<br>
Sent: 29 Jan '07 19:40<br>
<br>
<br>
Yaron,<br>
<br>
Is each one of these "blocks" a small rectangular part of the<br>
domain (like a 4 by 5 set of nodes)? I don't understand what you <br>
want to do.<br>
<br>
Barry<br>
<br>
<br>
On Mon, 29 Jan 2007, <a mce_real_href="http://webmail.oak-research.com/compose.php?to=yaron@oak-research.com" href="http://webmail.oak-research.com/compose.php?to=yaron@oak-research.com" target="_top" style="text-decoration: underline;">yaron@oak-research.com</a> wrote:<br>
<br>
> Hi all<br>
> I have a laplace-type problem that's physically built from repeating<br>
> instances of the same block.<br>
> I'm creaing matrices for the individual blocks, and I'd like to reuse<br>
> the individual block matrices in order to compose the complete problem.<br>
> (i.e if there 10K instances of 20 blocks, I'd like to build 20 matrices,<br>
> then use them to compose the large complete matrix)<br>
> Is a 2D DA the right object to do that? And if so, where can I find a<br>
> small example of building the DA object in parallel, then using the<br>
> different (for every instance) mappings of local nodes to global nodes in<br>
> order to build the complete matrix?<br>
> <br>
> <br>
> Thanks<br>
> Yaron<br>
> <br>
<br>
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