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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: Martin Hegedus

Forum: Main CFD Forum March 13, 2012, 11:01

Replies: 14 Optimizing the solution of tridiagonal linear systems Views: 2,548 Posted By Martin Hegedus I think a lot depends on what people are doing. ... I think a lot depends on what people are doing. I'm solving 2nd order central difference with 2nd/4th order artificial dissipation, so I've got five bands in the i, j, and k directions. The grids...

Forum: Main CFD Forum March 7, 2012, 13:25

Replies: 14 Optimizing the solution of tridiagonal linear systems Views: 2,548 Posted By Martin Hegedus BTW, I'm going to throw this out here in case it... BTW, I'm going to throw this out here in case it is in your area of interest. As you know, two categories of approximate structured implicit solvers for compressible time marching schemes are ADI...

Forum: Main CFD Forum March 7, 2012, 10:21

Replies: 14 Optimizing the solution of tridiagonal linear systems Views: 2,548 Posted By Martin Hegedus Ooops, my spaces were thrown away This ... Ooops, my spaces were thrown away This loop (k) loop (j) { loop (i) assemble blocks/coefficients of lhs in i direction call scaler/block diagonal solver to solve for this...

Forum: Main CFD Forum March 7, 2012, 10:12

Replies: 14 Optimizing the solution of tridiagonal linear systems Views: 2,548 Posted By Martin Hegedus The standard procedure for a structured implicit... The standard procedure for a structured implicit solver would be something like what is shown below (assumes ADI, DADI, DDADI, or D3ADI is being used). This is just an example. People tweak it for...

Forum: Main CFD Forum March 6, 2012, 11:31

Replies: 14 Optimizing the solution of tridiagonal linear systems Views: 2,548 Posted By Martin Hegedus I hope someone with broader experience than I... I hope someone with broader experience than I answers your question. There are different types of CFD solvers. Some of the parameters which define a CFD code are explicit and implicit, and...

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