>
> 1. I found that the sound speed was dependent on sqrt(gamma*p/rho). So,
> Are there any factor that determining the amplitude of pressure or
> perturbed pressure?
>
> 2. When we set a density pulse, the pressure is unchanged with time. When
> we set a pressure pulse, the density varies with time. It is very
> confusing.
>
3. The PyFR performs well in flow field, but the accuracy in acoustic
propagation needs further validation as the magnitude of sound pressure is
much smaller mean flow pressure.
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