| Author | Message | |||
     Eduards Rens (eduards) New member Username: eduards Post Number: 1 Registered: 12-2005 |
Hello, I have tried different ways to find 2D volume integral, but I fail to define integration region. Please, can you take a quick look, I guess I just need a little hint only... Well, one drawing is worth 7 pages of text. http://www.tinis.lv/faili/example.jpg http://www.tinis.lv/faili/difuzija.pde How to cut rod in N pieces, all of equal size, and then calculate integral in each of them,and write numerical values to file? Problem is, that I dont have defined regions, even more, that area is part of 2 other regions.. Hard to explain, I hope that JPG image will help you... Regards, Eduards Rens | |||
| Robert G. Nelson (rgnelson) Moderator Username: rgnelson Post Number: 510 Registered: 06-2003 |
You need to create individual REGIONS of the portions you want to integrate. There are no facilities for defining arbitrary integration domains by numerical coordinates. In the attached file, I have made individual regions of the "Segments". If you want to integrate over the outer portions, you'll have to do a similar thing to the portions of region 1 and add the integrals to those of the "segments".
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