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Prediction of the Micro-pressure Waves Using an Unsteady Acoustic Analysis

Last updated on 23 March 2021 10:24

Micro-pressure waves (MPWs) radiated from a tunnel portal were numerically analyzed using unsteady acoustic analysis. First, the compression waveforms at the tunnel entrance were decided by linear acoustic analysis. Next, the nonlinear distortion of the compression waveform accompanying tunnel propagation was calculated using 1D theoretical propagation equation. Finally, the radiated...

Author(s): Hidehiko OKUBO;Takashi FUKUDA;Tokuzo MIYACHI;Sanetoshi SAITO

Organisation(s): RTRI ;

2020

Japan

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