High order numerical simulation of sound generated by the Kirchhoff vortex | Zendy

Bernhard Müller | Zendy; H. C. Yee | Zendy

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High order numerical simulation of sound generated by the Kirchhoff vortex

Author(s) -

Bernhard Müller,

H. C. Yee

Publication year - 2002

Publication title -

computing and visualization in science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.519

H-Index - 44

eISSN - 1433-0369

pISSN - 1432-9360

DOI - 10.1007/s007910100072

Subject(s) - computational aeroacoustics , vortex , mach number , spurious relationship , euler equations , dissipative system , aeroacoustics , mathematics , euler's formula , mathematical analysis , physics , acoustics , mechanics , sound pressure , statistics , quantum mechanics

An improved high order finite difference method for low Mach number computational aeroacoustics (CAA) is described. The improvements involve the conditioning of the Euler equations to minimize numerical cancellation errors, and the use of a stable non-dissipative sixth-order central spatial interior scheme and a third-order boundary scheme. Spurious high frequency oscillations are damped by a third-order characteristic-based filter. The objective of this paper is to apply these improvements in the simulation of sound generated by the Kirchhoff vortex.

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