Loops per iteration
Hi, I would like to understand what are the loops that CFX solves per iteration while solving a steady state problem. Is it the multigrid solver that is looping per iteration? I noticed this while plotting max residuals per iteration and it shows max residual at loop # 2 per iteration. Could someone throw some light on this. Thanks
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Re: Loops per iteration
Hi,
This is explained in the documentation. The Navier Stokes equations are non-linear equations so it uses an iterative approach to solve them. Glenn Horrocks |
Re: Loops per iteration
Yes i know that. And that iterative approach is wat we see the solver solving every timestep. But im talking about the loops within each iteration that the solver solves.
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Re: Loops per iteration
Hi,
Yes, the AMG multigrid solver does internal iterations as part of its solution technique of starting with a coarse grid then refining down to the actual mesh. Again this is discussed in the documentation and more details is given in the references in the documentation. Glenn Horrocks |
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