lduMatrix addressing

klausb · May 13, 2018, 09:43

Hi,

does anyone have a definition of losortAddr() and losortStartAddr()?

Klaus

dlahaye · June 5, 2018, 13:47

see line 185 of
https://github.com/OpenFOAM/OpenFOAM...duAddressing.C

klausb · December 13, 2023, 07:22

losortStartAddr() is clear now:

The losortStartAddr() function in OpenFOAM is used to return the lower sort start addressing. It provides the element position at which a new row starts in the lower matrix and at which a new column starts in the upper matrix. The losortStartAddr() function returns a constant reference to a labelUList, which is a list of labels.

losortAddr() is still unclear:

May 13, 2018, 09:43	lduMatrix addressing	#1
klausb Senior Member Klaus Join Date: Mar 2009 Posts: 250 Rep Power: 22	Hi, does anyone have a definition of losortAddr() and losortStartAddr()? Klaus

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June 5, 2018, 13:47		#2
dlahaye Senior Member Domenico Lahaye Join Date: Dec 2013 Posts: 730 Blog Entries: 1 Rep Power: 17	see line 185 of https://github.com/OpenFOAM/OpenFOAM...duAddressing.C

December 13, 2023, 07:22		#3
klausb Senior Member Klaus Join Date: Mar 2009 Posts: 250 Rep Power: 22	losortStartAddr() is clear now: The losortStartAddr() function in OpenFOAM is used to return the lower sort start addressing. It provides the element position at which a new row starts in the lower matrix and at which a new column starts in the upper matrix. The losortStartAddr() function returns a constant reference to a labelUList, which is a list of labels. losortAddr() is still unclear: