1 macim project data title: modelos de aeroacústica para la reducción del impacto medio-ambiental...
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MacimProject 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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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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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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Results IAcoustic response of a train
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Results IIAcoustic response of a wing
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