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Forum: Main CFD Forum

December 1, 2009, 14:35

Replies: 4

Grid stretching to achieve non-reflecting BCs

Views: 1,674

Posted By lost.identity

Thanks for the reply. I tried to use Poinsot...

Thanks for the reply.

I tried to use Poinsot & Lele's characteristic based NRBC's awhile ago but was not able to implement it correctly in the code. The code itself is fairly huge and I've been...

Forum: Main CFD Forum

December 1, 2009, 09:04

Replies: 4

Grid stretching to achieve non-reflecting BCs

Views: 1,674

Posted By lost.identity

Thanks for the reply. See I'm confused. I...

Thanks for the reply.

See I'm confused. I was told to just expand the grid as long as I can and it will cause the acoustic energy to be absorbed. But I was never able to do that just by grid...

Forum: Main CFD Forum

November 27, 2009, 14:04

Replies: 4

Grid stretching to achieve non-reflecting BCs

Views: 1,674

Posted By lost.identity

Grid stretching to achieve non-reflecting BCs

Hi,

I'm trying to analyse acoustic waves inside a duct. For this I need a non-reflecting boundary condition (NRBC) at the outlet.

Unfortunately the code I'm using does not have a correct...

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