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Showing results 1 to 10 of 10 Search took 0.00 seconds. Search: Posts Made By: woody

Forum: OpenFOAM Running, Solving & CFD May 2, 2011, 04:34

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody Hi Ali, I am trying to help you, but... Hi Ali, I am trying to help you, but unfortunately this would recommend to much information for a discussion forum. Just relaxing, that is what waveTransmissive does, U and especially T does...

Forum: OpenFOAM Running, Solving & CFD February 22, 2011, 02:10

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody Hi Patty, just for completeness. A more... Hi Patty, just for completeness. A more handsome way to optimize your Linf might be a FFT of your problem and adapting Linf to a value the main wave length fits into at least once....

Forum: OpenFOAM Running, Solving & CFD February 21, 2011, 02:08

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody Hi Patty, my experience might seem to be... Hi Patty, my experience might seem to be greater than it really is, but I'll try to report it to you. For the sake of sense I start answering your second question first: As the far field value is...

Forum: OpenFOAM Running, Solving & CFD February 10, 2011, 04:23

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody Still, not in terms of means.... Still, not in terms of means....

Forum: OpenFOAM Running, Solving & CFD February 10, 2011, 04:02

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody But still, your simulation is not time variant in... But still, your simulation is not time variant in the sense of means... Or am I missing something?

Forum: OpenFOAM Running, Solving & CFD February 10, 2011, 02:37

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody Hi Bertrand, this BC should work fine. But I... Hi Bertrand, this BC should work fine. But I don't see your time variant system (speaking of mean values). Maybe you should try some grid expansion. This should also dampen a lot. The low...

Forum: OpenFOAM Running, Solving & CFD February 9, 2011, 09:04

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody Hi Bertrand, yes this BC is only for more or... Hi Bertrand, yes this BC is only for more or less steady state applications. It should also work for smooth time variant systems (a colleague of mine uses it for shock wave simulations). Yes I...

Forum: OpenFOAM Running, Solving & CFD February 9, 2011, 06:51

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody Hi Bertrand, I'll try to answer your... Hi Bertrand, I'll try to answer your questions shortly... 1. setting sigma to zero theoretically causes non-reflectivity, but the relaxation to a wanted mean pressure won't take place, this...

Forum: OpenFOAM Running, Solving & CFD February 9, 2011, 02:50

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody Hi Bertrand, I figured it out. Do you have... Hi Bertrand, I figured it out. Do you have the Paper Boundary conditions for direct simulations of compressible viscous flows T. J. Poinsot* and S. K. Lelef† Center for Turbulence...

Forum: OpenFOAM Running, Solving & CFD July 14, 2010, 07:04

Replies: 24 Pressure transmissive bc Views: 6,616 Posted By woody Hello David, I am actually optimizing the... Hello David, I am actually optimizing the waveTransmissive BC by adding a plane wave filter. This filtering works quite fine, but as i am trying to extend the same BC for excitation i really need...

Showing results 1 to 10 of 10

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