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Acoustic source term formulations in the cavity tone

Nagy, Péter Tamás and Hüppe, Andreas and Kaltenbacher, Manfred and Paál, György (2016) Acoustic source term formulations in the cavity tone. JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS, 11 (2). pp. 179-196. ISSN 1586-2070

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Abstract

The cavity tone at low speed is simulated by a hybrid aeroacoustic approach. Thereby, a rectangular, open cavity with a length-to-depth ratio 2 is investigated at a Mach number of about 0.05. We compared various source formulations (velocity, pressure, divergence of Lighthill tensor, Lamb vector) to each other. The simulations were carried out by ANSYS CFX and the in-house code CFS++. The results indicate that velocity based formulations provide better results.

Item Type: Article
Uncontrolled Keywords: cavity tone, CAA, CFD, source term, low Mach number, implicit damping in CFX
Subjects: T Technology / alkalmazott, műszaki tudományok > T2 Technology (General) / műszaki tudományok általában
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 08 Jan 2026 15:21
Last Modified: 08 Jan 2026 15:21
URI: https://real.mtak.hu/id/eprint/231697

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