On 6/2/21 8:59 AM, Abbas wrote:
2) Node numbering plays a role. I am not sure to what extent and I am not sure
if it is something that is done automatically by direct solvers. Step-2 with
it's Cuthill_McKee
<https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.dealii.org%2Fcurrent%2Fdoxygen%2Fdeal.II%2FnamespaceDoFRenumbering.html%23ab938a690bf4e2adff191fe969b0f21d3&data=04%7C01%7CWolfgang.Bangerth%40colostate.edu%7Ca666a43196f746c74d5008d925d6fd84%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637582429206627171%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=FM0KPcJ7TmnahoGrINbqZBr1hL77L8tcSf9ri4DKsHI%3D&reserved=0> is
something you might want to have a look at .
Yes, all direct solvers I know of renumber automatically. In the case of
UMFPACK, it uses the minimum-degree renumbering internally -- i.e., there is
no need to do that on the user side.
Best
W.
--
------------------------------------------------------------------------
Wolfgang Bangerth email: [email protected]
www: http://www.math.colostate.edu/~bangerth/
--
The deal.II project is located at http://www.dealii.org/
For mailing list/forum options, see
https://groups.google.com/d/forum/dealii?hl=en
---
You received this message because you are subscribed to the Google Groups "deal.II User Group" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To view this discussion on the web visit
https://groups.google.com/d/msgid/dealii/d1a526af-5945-48e4-b3a8-b9ba498b84f7%40colostate.edu.
