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Forum: Main CFD Forum

July 3, 2015, 03:40

Replies: 5

What does Gauss Seidel iteration mean?

Views: 1,633

Posted By FMDenaro

the first step is a simple Crank-Nicolson...

the first step is a simple Crank-Nicolson integration for 1D and the Thomas algorithm is fine

Forum: Main CFD Forum

July 2, 2015, 17:36

Replies: 5

What does Gauss Seidel iteration mean?

Views: 1,633

Posted By FMDenaro

I would need to know the details ...however, if...

I would need to know the details ...however, if the diffusion operator is a 2D Laplace operator (d2/dx2 + d2/dy2), the factorization technique introduces an error of high order term that can lead to...

Forum: Main CFD Forum

July 2, 2015, 17:15

Replies: 5

What does Gauss Seidel iteration mean?

Views: 1,633

Posted By FMDenaro

The GS method belongs to the class of iterative...

The GS method belongs to the class of iterative solver for linear algebric system, it is not a inversion of the matrix.
However, for tridiagonal system the Thomas algorithm is well suited

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