An FE-BE Research on the Acoustical Sensitivity of Submerged Elastic Structures

Jin Shi Liu; De Jiang Shang; Hao Song

doi:10.4028/www.scientific.net/AMM.473.129

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 473An FE-BE Research on the Acoustical Sensitivity of...

An FE-BE Research on the Acoustical Sensitivity of Submerged Elastic Structures

Abstract:

To predict the sound radiation of structures, both a structural problem and an acoustic problem have to be solved. In case of thin structures and dense fluids, a strong coupling scheme between the two problems is essential, since the feedback of the acoustic pressure onto the structure is not negligible. A popular idea for solving this class of problems is to discretizing the structural domain with the finite element (FE) method and with boundary element (BE) method on the acoustic field. A wide range of researches has been carried on the coupling the FE and BE methods. For fast prediction of sound radiation characteristic of similar structures, a coupled solver in frequency domain is presented in this essay. Numerical experiments showed acceleration on noise optimization problems of underwater structures with different materials.

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Periodical:

Applied Mechanics and Materials (Volume 473)

Pages:

129-132

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.473.129

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Online since:

December 2013

Authors:

Jin Shi Liu, De Jiang Shang*, Hao Song

Keywords:

Material, Noise Sensitivity, Numerical Method, Underwater Structures

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References

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