Abstract
This paper presents direct simulations of acoustic near field around a subsonic resonator by using the compressible Navier-Stokes equation. The direct simulation depends on the size of the resonator and the capability of the PC. In the present paper, we select a recorder, a musical instrument. Though we use regular meshes, the computational region is large enough for prediction of both the flow field and the near field of the recorder. In addition, to ensure the energy transfer among the waves we used the higher order finite difference equation called Multi-Directional-TVD method proposed in 2004 [Ref1]. Our computations were successful in producing acoustic noises.
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Obikane, Y., Kuwahara, K. (2009). Direct Simulation for Acoustic Near Fields Using the Compressible Navier-Stokes Equation. In: Choi, H., Choi, H.G., Yoo, J.Y. (eds) Computational Fluid Dynamics 2008. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01273-0_8
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DOI: https://doi.org/10.1007/978-3-642-01273-0_8
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-01272-3
Online ISBN: 978-3-642-01273-0
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