Enhanced finite element scheme for vibrational and flow induced sound

M. Kaltenbacher, S. Triebenbacher, B. Wohlmuth, S. Zörnre

Research output: Contribution to journalConference articlepeer-review

Abstract

The paper presents Finite Element (FE) methods for classical vibroacoustics as well as computational aeroacoustics. Therewith, we can handle different grid sizes in different regions and ensure a correct coupling at the interfaces by applying the Mortar FE method. Furthermore, we can fully take into account free radiation by a new Perfectly Matched Layer (PML) technique, which is stable even for long term computations. The applicability of our developed numerical methods will be demonstrated by simulation results of the human phonation.

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