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- W3136196464 abstract "In this work, a wave finite element (WFE) method is proposed to predict the sound radiation of finiteaxisymmetric fluid-filled pipes immersed in an external acoustic fluid of infinite extent. TheSommerfeld radiation condition is taken into account by means of a perfectly matched layer (PML)around the external fluid. Within the WFE framework, the fluid-filled pipe, the surrounding fluid andthe PML constitute a multiphysics waveguide that is discretized by means of a periodic finite elementmesh, and is treated as an assembly of identical subsystems of small length. Wave modes arecomputed from the FE model of a multi-physics subsystem and used as a representation basis toassess the vibroacoustic behavior of the finite waveguide at a low computational cost. Numericalexperiments are carried out in the cases of axisymmetric pipes of either homogeneous or multilayeredcross-sections. The accuracy and efficiency of the proposed approach are clearly highlightedin comparison with the conventional FE method." @default.
- W3136196464 created "2021-03-29" @default.
- W3136196464 creator A5068411490 @default.
- W3136196464 date "2015-11-25" @default.
- W3136196464 modified "2023-09-23" @default.
- W3136196464 title "A wave-based numerical approach for the description of the vibroacoustic behavior of fluid-filled pipes" @default.
- W3136196464 hasPublicationYear "2015" @default.
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