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Vibro-acoustic calculations - Structural vibro-acoustic response to turbulent flow excitation

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Vibro-acoustic calculations - Structural vibro-acoustic response to turbulent flow excitation

Author : Jean-François SIGRIST

Publication date: January 10, 2019, Review date: March 10, 2021 | Lire en français

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1. Context

1.1 Vibrations induced by a turbulent boundary layer

Structural vibrations induced by fluid flow in a turbulent regime are encountered in many industrial situations (figure 1 ), for example:

  • load-bearing profiles (aircraft wings, rudders, propellers, etc.) or non-profiled profiles (solar panels, roof tiles, cables, towers, chimneys, etc.);

  • energy generation and recovery systems (tube bundles, wind turbines, water turbines, fluid networks, etc.).

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