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

Forum: Main CFD Forum October 14, 2012, 10:24

Replies: 9 Roe flux scheme, why Roe's averages important Views: 8,403 Posted By Shenren_CN Hi SergeAS, I admit that Roe averaging is... Hi SergeAS, I admit that Roe averaging is more costly then linear averaging. But is it really dramatically slower? I thought the most costly part is the wave amplitude \times the wave speed,...

Forum: Main CFD Forum October 12, 2012, 09:04

Replies: 9 Roe flux scheme, why Roe's averages important Views: 8,403 Posted By Shenren_CN Hi Francesco, 1) I'm reading the book you... Hi Francesco, 1) I'm reading the book you recommended and as you explained, the superiority of Roe averages indeed is much more evident when there's large gradient in the flow, such as shocks. No...

Forum: Main CFD Forum October 12, 2012, 07:10

Replies: 9 Roe flux scheme, why Roe's averages important Views: 8,403 Posted By Shenren_CN Ciao Francesco, Could you please elaborate a... Ciao Francesco, Could you please elaborate a little bit more on the 'nice' properties of Roe's averages and why those properties are important to a good simulation? You see, my question is exactly...

Forum: Main CFD Forum October 11, 2012, 21:50

Replies: 9 Roe flux scheme, why Roe's averages important Views: 8,403 Posted By Shenren_CN Found two references online from people that I... Found two references online from people that I think know what they are talking about. Hope this can be of help to someone asking the same question. 1) From him...

Forum: Main CFD Forum October 10, 2012, 09:16

Replies: 9 Roe flux scheme, why Roe's averages important Views: 8,403 Posted By Shenren_CN Roe flux scheme, why Roe's averages important Dear colleagues, Could anyone please explain to me or point me to some reference on why Roe's averages are so important in Roe flux scheme. A simple question I have is what happens if I simply...

Showing results 1 to 5 of 5

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