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Published byErica McCarthy Modified over 9 years ago
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1 Macim Project data Title: Modelos de aeroacústica para la reducción del impacto medio-ambiental del ruido aerodinámico generado por vehículos Project type: Proyecto del Ministerio de Ciencia y Tecnología, programa P4 Reference: DPI2000-0431-P4-03 Period: 28/05/2001 - 27/05/2004 Collaborators: Oriol Guasch
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2 Objectives To propose a model to approximate sound generated by turbulent low-Mach flows To test different LES turbulence models To solve the flow equations until audible frequencies To obtain the aerodynamic sound
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3 Key numerical ingredients Algorithm based on Lighthill’s acoustic analogy Stabilized FEM for incompressible flows Efficient Fourier transform of the sound source Stabilized FEM for the Helmholtz equation
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4 Results I Acoustic response of a train
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5 Results II Acoustic response of a wing
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