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Aero-acoustics and noise

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== Higher Order Schemes for Aero-acoustics ==
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==Higher Order Schemes for Aero-acoustics==
=== Necessity ===
=== Necessity ===
Acoustic problems are governed by the linearised Euler equation and it is known from wave propagation theory that the propagation characteristics of waves governed by a system of partial different equations are encoded in the dispersion relation.
Acoustic problems are governed by the linearised Euler equation and it is known from wave propagation theory that the propagation characteristics of waves governed by a system of partial different equations are encoded in the dispersion relation.

Revision as of 23:48, 13 October 2005

Higher Order Schemes for Aero-acoustics

Necessity

Acoustic problems are governed by the linearised Euler equation and it is known from wave propagation theory that the propagation characteristics of waves governed by a system of partial different equations are encoded in the dispersion relation.

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