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Forum: Main CFD Forum

November 20, 2009, 13:23

Replies: 7

C++ solver for Large sparse matrix!

Views: 4,330

Posted By walli

That was more about C style programming than...

That was more about C style programming than PETSc. Speaking about PETSc, I particularly don't like the inflationary use of the CHKERR-stuff. But don't get me wrong! It is a great library and it does...

Forum: Main CFD Forum

November 20, 2009, 08:40

Replies: 7

C++ solver for Large sparse matrix!

Views: 4,330

Posted By walli

Sure, that's true. But this clearly depends on...

Sure, that's true. But this clearly depends on the way you incorporate the BC's. A way to do this symmetrically would be e.g. a penalty method.

Forum: Main CFD Forum

November 19, 2009, 09:43

Replies: 7

C++ solver for Large sparse matrix!

Views: 4,330

Posted By walli

Consider using PETSc for your code! Even though...

Consider using PETSc for your code! Even though it is (in my opinion) ugly C code, one can fairly easy write a rudimentary C++ interface if needed. It is really fast, tested and provides a big...

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