Abstract
The most costly part in the prediction of structure borne sound for a complex vehicle such as a ship lies in the build-up of the analysis model. Since often a finite element model is available from other structural mechanical analyses, NoiseFEM, the approach described in this paper, uses such a model as a starting point for an energy flow analysis. The methodology focuses on stiffened shell structures and combines ideas from diffusive energy propagation methods and statistical energy analysis. Modifications are introduced to simplify the direct re-use of finite element models. Since 1997, NoiseFEM has been applied and validated in numerous shipbuilding projects.
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Cabos, C., Matthies, H.G. (2011). The Energy Finite Element Method NoiseFEM. In: Belyaev, A., Langley, R. (eds) IUTAM Symposium on the Vibration Analysis of Structures with Uncertainties. IUTAM Bookseries, vol 27. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0289-9_13
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DOI: https://doi.org/10.1007/978-94-007-0289-9_13
Publisher Name: Springer, Dordrecht
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