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ADI-SOR relaxation parameter

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Old   November 14, 2005, 22:53
Default ADI-SOR relaxation parameter
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Hi, I have an ADI code which uses a relaxation parameter of the fashion:

T_new = T_old + w*(T_new-T_old)

w=relaxation parameter

This line is added after each sweep has been done: on rows and columns (to supposedly accelerate the code?).

The problem is that my code does not converge for a w=1.

Is this a problem in the code or can this behavior be somehow explained?

Thanks, Mohsen
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