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How to avoid preordering in direct solvers

Posted 2012年11月9日 GMT-5 06:25 Interfacing Version 4.0a 0 Replies

Mattia Montanari
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When Comsol solves the linear system Ax=B it applies an algorithm to reduce the bandwidth of the matrix A.

Does someone know how to prevent this to happen?

I'm using LiveLink and of course I'm aware about the property "Pardrreorder", but even if I set this OFF the preordering algorithm runs. Actually I'm not even sure if this property of the linear solver is able to avoid the preordering (in the manual is not clearly stated in my opinion).

Someone has experience in this matter of further releases of Comsol?

Thank you,
Mattia
0 Replies Last Post 2012年11月9日 GMT-5 06:25
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Hello Mattia Montanari

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