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Old   August 25, 2010, 11:49
Default Algebraic Multigrid
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Przemek
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Hi,

Does anyone know where I can find more detailed information about Algebraic Multigrid acceleration used in CFX solver?

The main things I would like to know:
1. What kind of coarsening-refinement cycle is used; V-,W-,F, FMG, other?
2. What is so called Additive Corection?

Thanks,
Batis

Last edited by Batis; August 25, 2010 at 12:23.
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Old   August 25, 2010, 17:50
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Glenn Horrocks
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Have you read the documentation and chased up the references from the theory section? This describes the linear solver.
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Old   August 25, 2010, 19:03
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I've study the documentation very precisely but there is nothing about which coarsening-refinement cycle is used in CFX. I also don't think that I can find this information in references.

As for Additive Corrections, I have found some satisfactory informations.

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Batis
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Old   August 26, 2010, 16:03
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I'm fairly sure it's the W cycle, but I can't recall where I heard that.
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Old   August 26, 2010, 19:52
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Thaks for reply.

Greets,
Batis
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