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Search took 0.00 seconds. Search: Posts Made By: LuckyTran
Forum: Main CFD Forum January 8, 2019, 14:19
Replies: 15
Views: 1,799
Posted By LuckyTran
Are you talking about solving the potential...

Are you talking about solving the potential equation or solving NS? For NS these flows are strongly upwind biased. 1st order upwind works really nicely! A supersonic flow doesn't care what happens...
Forum: Main CFD Forum January 7, 2019, 11:36
Replies: 15
Views: 1,799
Posted By LuckyTran
I agree with this sentiment but the rocket folks...

I agree with this sentiment but the rocket folks still use it.... It's still good enough for rocket science. It will be around for probably another 25 years in this field alone. And these are the...
Forum: Main CFD Forum January 5, 2019, 14:56
Replies: 15
Views: 1,799
Posted By LuckyTran
Right. Linearity/non-linearity is a property so...

Right. Linearity/non-linearity is a property so you need to be specific when you say what is linear. For example y = Ax^2 + B is linear in A and B but non-linear in x. So y can be linear or...
Forum: Main CFD Forum January 4, 2019, 00:26
Replies: 15
Views: 1,799
Posted By LuckyTran
The general non-linear potential flow equation is...

The general non-linear potential flow equation is valid for all regimes. Andersons' point is that when the flow is entirely subsonic (M<1)or entirely supersonic (M>1), the linearized perturbation...
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