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TU Berlin

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Dr.-Ing. Dietmar Greussing

Academic Staff

Nearfield Structure-Borne-Sound Holography

Acoustical Nearfield Holography is a common method for the reconstruction of wave fields in the fluid medium surrounding a vibrating structure. Although NAH has been used to visualize structural vibration since its inception, this has been exclusively done by back-propagating the wave field of the surrounding fluid medium, based on measurement of sound pressure. So far, however, the holographic procedure has not been used to project structure-borne sound fields directly, based on structural vibration measurement. The present research therefore aims at implementing the core concept behind classic Nearfield Acoustical Holography in a structure-borne sound scenario. There is reason to believe that this might open up interesting ways to deal with certain problems in the practice of structural vibration analysis.

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Publications

Near-Field Structure-Borne Sound Holography: Extrapolation of bending wave fields in homogenous plates.
Citation key Greussing2014
Author D. Greussing
Year 2014
Journal Dissertation, Technische Universität Berlin
Link to original publication Download Bibtex entry

Address

Dietmar Greussing
MF Dr. Flohrer Beratende Ingenieure GmbH
Alte Jakobstraße 79/80, 10179 Berlin
Tel.: +49 (0) 30/ 847 12 79 – 130
Fax: +49 (0) 30/ 847 12 79 – 150

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