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Dr.-Ing. Sebastian Mathiowetz

Academic Staff

Characterization of structure-borne sound sources in ship structures

A generally accepted method for the characterization of structure-borne sound sources is still missing. This is due to the complexity of the underlying physics, which show that the transmitted sound power from a source to a receiver
is dependent on both source and receiver quantities. The subject of research is the analysis and improvement of existing methods
for structure-borne sound source characterization with regard to noise sources onboard ships.

In a series of previews studies it was shown that the interface mobility approach can be regarded as a numerically stable method
for the description of the transmission process. Therefore, this promising approach is investigated with respect to accuracy and
practicability for ship structures and relevant sources. Additionally, the approach needs to be expanded for practical source-receiver
assemblies with one and two-stage isolation systems and for multi-component coupling.

http://opus4.kobv.de/opus4-tuberlin/frontdoor/index/index/docId/5757 [1]

Supervisor: Prof. Dr.-Ing. Michael Möser

Publications

Order by: Author [2] Year [3] Journal [4]

S. Mathiowetz und H.A. Bonhoff (2009). Prognose der Körperschalls und sekundären Luftschalls von Kernspintomographen anhand der Methode der Interface Mobilitäte [5]. Diplomarbeit, Technische Universität Berlin

S. Mathiowetz und H.A. Bonhoff (2010). Die Methode der Interface Mobilitäten zur Prognose der Körperschallübertragung in der Praxis [6]. Fortschritte der Akustik: Tagungsband d. 36. DAGA. Berlin

S. Mathiowetz und H.A. Bonhoff (2012). Interface Mobilitäten zur Beschreibung elastisch gelagerter Körperschallquellen [7]. Fortschritte der Akustik: Tagungsband d. 38. DAGA. Darmstadt

S. Mathiowetz and H.A. Bonhoff (2010). Die Methode der Interface Mobilitäten zur Prognose der Körperschallübertragung in der Praxis [8]. Fortschritte der Akustik - DAGA 2010

S. Mathiowetz and H.A. Bonhoff (2013). Interface mobilities for characterization of structure-borne sound sources resiliently mounted via multiple contact points [9]. Journal of Sound and Vibration, Volume 332, Pages 5789-5803

Sebastian Mathiowetz and Hannes A. Bonhoff (2013). Approximate description of structure-borne sound sources with continuous line-shaped contact interfaces [10]. AIA-DAGA EAA Euroregio, Merano, 2013. Proceedings of the International Conference on Acoustics, p. 2227 - 2230, 2013

Sebastian Mathiowetz and Hannes A. Bonhoff (2013). Multi-component power transmission from structure-borne sound sources into lightweight structures [11]. 21st International Congress on Acoustics, Montreal, 2013. Proceedings of Meetings on Acoustics Vol. 19, pp. 065081, 2013

Address

Dr.-Ing. S. Mathiowetz
Contact [12]

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[1] http://opus4.kobv.de/opus4-tuberlin/frontdoor/index
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[2] https://www.akustik.tu-berlin.de/menue/about_us/alu
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