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Forum: Main CFD Forum

September 20, 2012, 18:10

Replies: 1

computational cost of ILU

Views: 1,557

Posted By Shenren_CN

I found through literature and some numerical...

I found through literature and some numerical experiments that the computational cost actually scales as N*B, where N is the dimension
of the problem (e.g., computational mesh) and B is the...

Forum: Main CFD Forum

September 19, 2012, 05:30

Replies: 1

computational cost of ILU

Views: 1,557

Posted By Shenren_CN

computational cost of ILU

Dear colleagues,

I'm using ILU to precondition a GMRES solver and found that it gets prohibitively expensive to run for a large problem. So I wonder how the computational cost of ILU factorization...

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